ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor2344786965 <...> Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor2344786965", ["ci2-android-5-15/syz-executor2344786965"], 0x7ffcfcd01710 /* 10 vars */) = 0 brk(NULL) = 0x555579e16000 brk(0x555579e16d40) = 0x555579e16d40 arch_prctl(ARCH_SET_FS, 0x555579e163c0) = 0 set_tid_address(0x555579e16690) = 303 set_robust_list(0x555579e166a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor2344786965", 4096) = 45 getrandom("\xdd\x09\xea\x20\x30\x1d\x24\xcc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555579e16d40 brk(0x555579e37d40) = 0x555579e37d40 brk(0x555579e38000) = 0x555579e38000 mprotect(0x7fbbb7be7000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 304 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 305 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 306 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 307 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 308 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 306 attached ci2-android-5-15/strace-static-x86_64: Process 305 attached ci2-android-5-15/strace-static-x86_64: Process 304 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] set_robust_list(0x555579e166a0, 24 [pid 306] set_robust_list(0x555579e166a0, 24 [pid 305] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 309 attached [pid 306] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 309 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 310 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 310 attached [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 311 [pid 310] set_robust_list(0x555579e166a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 312 executing program [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 313 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdirat resumed>) = 0 [pid 310] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x555579e166a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] write(1, "executing program\n", 18) = 18 executing program [pid 311] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 311] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 311] rmdir("./config/usb_gadget/g1" [pid 309] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 313 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 313] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 312 attached ) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] set_robust_list(0x555579e166a0, 24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... set_robust_list resumed>) = 0 [ 25.547234][ T30] audit: type=1400 audit(1788343095.899:64): avc: denied { execmem } for pid=303 comm="syz-executor234" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.573874][ T30] audit: type=1400 audit(1788343095.929:65): avc: denied { mounton } for pid=310 comm="syz-executor234" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 310] rmdir("./config/usb_gadget/g1" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 310] exit_group(0) = ? [pid 310] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 311] exit_group(0) = ? [pid 311] +++ exited with 0 +++ [pid 307] <... 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, child_tidptr=0x555579e16690) = 315 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x555579e166a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... prctl resumed>) = 0 [pid 315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] setpgid(0, 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... setpgid resumed>) = 0 [pid 313] <... prctl resumed>) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] setpgid(0, 0 [pid 312] <... prctl resumed>) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18) = 18 executing program [pid 315] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 315] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 315] rmdir("./config/usb_gadget/g1" [pid 309] <... openat resumed>) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] write(1, "executing program\n", 18) = 18 [pid 309] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 309] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] rmdir("./config/usb_gadget/g1") = 0 [pid 309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 309] exit_group(0) = ? [pid 313] <... setpgid resumed>) = 0 [pid 312] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... setpgid resumed>) = 0 executing program [ 25.597886][ T30] audit: type=1400 audit(1788343095.929:66): avc: denied { mount } for pid=310 comm="syz-executor234" name="/" dev="configfs" ino=14545 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 25.622060][ T30] audit: type=1400 audit(1788343095.929:67): avc: denied { search } for pid=310 comm="syz-executor234" name="/" dev="configfs" ino=14545 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 315] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 315] exit_group(0) = ? [pid 315] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, 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] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 316 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 317 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 316 attached ci2-android-5-15/strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x555579e166a0, 24 [pid 316] set_robust_list(0x555579e166a0, 24 [pid 317] <... set_robust_list resumed>) = 0 [pid 316] <... set_robust_list resumed>) = 0 [pid 317] rt_sigprocmask(SIG_SETMASK, [] [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0 [pid 316] <... prctl resumed>) = 0 [pid 316] setpgid(0, 0 [pid 317] <... setpgid resumed>) = 0 [pid 316] <... setpgid resumed>) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 317] <... openat resumed>) = 3 [pid 316] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 3 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] write(1, "executing program\n", 18) = 18 [pid 316] mkdirat(AT_FDCWD, "./config", 0777 [pid 317] write(3, "1000", 4) = 4 executing program [pid 317] close(3 [pid 316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 317] <... close resumed>) = 0 [pid 317] write(1, "executing program\n", 18) = 18 [pid 316] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 313] write(3, "1000", 4 [pid 312] <... openat resumed>) = 3 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 318 [pid 317] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 317] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 316] <... mkdirat resumed>) = 0 [pid 317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 317] rmdir("./config/usb_gadget/g1" [pid 316] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x555579e166a0, 24 [pid 317] <... rmdir resumed>) = 0 [pid 316] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 318] <... set_robust_list resumed>) = 0 [pid 316] exit_group(0 [pid 318] rt_sigprocmask(SIG_SETMASK, [] [pid 317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 316] <... exit_group resumed>) = ? [pid 318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 317] exit_group(0 [pid 316] +++ exited with 0 +++ [pid 318] <... prctl resumed>) = 0 [pid 317] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 318] setpgid(0, 0 [pid 317] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 318] <... setpgid resumed>) = 0 [pid 313] <... write resumed>) = 4 [pid 312] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] close(3 [pid 312] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 318] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 318] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 318] close(3 [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 318] <... close resumed>) = 0 [pid 318] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 319 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 320 [pid 318] <... write resumed>) = 18 executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [ 25.645300][ T30] audit: type=1400 audit(1788343095.929:68): avc: denied { write } for pid=310 comm="syz-executor234" name="usb_gadget" dev="configfs" ino=14546 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.670181][ T30] audit: type=1400 audit(1788343095.929:69): avc: denied { add_name } for pid=310 comm="syz-executor234" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [pid 318] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 318] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 318] rmdir("./config/usb_gadget/g1") = 0 [pid 318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 319 attached [pid 318] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 320 attached [pid 319] set_robust_list(0x555579e166a0, 24 [pid 318] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 312] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 320] set_robust_list(0x555579e166a0, 24 [pid 319] <... set_robust_list resumed>) = 0 [pid 318] +++ exited with 0 +++ [pid 320] <... set_robust_list resumed>) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [] [pid 313] write(1, "executing program\n", 18 [pid 312] <... close resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 320] rt_sigprocmask(SIG_SETMASK, [] [pid 319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 319] <... prctl resumed>) = 0 [pid 320] <... prctl resumed>) = 0 [pid 319] setpgid(0, 0 [pid 320] setpgid(0, 0 [pid 319] <... setpgid resumed>) = 0 [pid 320] <... setpgid resumed>) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 319] <... openat resumed>) = 3 [pid 320] <... openat resumed>) = 3 [pid 319] write(3, "1000", 4 [pid 320] write(3, "1000", 4 [pid 319] <... write resumed>) = 4 [pid 320] <... write resumed>) = 4 [pid 319] close(3 [pid 320] close(3 [pid 319] <... close resumed>) = 0 [pid 320] <... close resumed>) = 0 [pid 319] write(1, "executing program\n", 18 executing program executing program [pid 320] write(1, "executing program\n", 18 [pid 319] <... write resumed>) = 18 [pid 320] <... write resumed>) = 18 [pid 319] mkdirat(AT_FDCWD, "./config", 0777 [pid 320] mkdirat(AT_FDCWD, "./config", 0777 [pid 319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 319] mount(NULL, "./config", "configfs", 0, NULL [pid 320] mount(NULL, "./config", "configfs", 0, NULL [pid 319] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 320] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 319] <... mkdirat resumed>) = 0 [pid 320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 319] rmdir("./config/usb_gadget/g1" [pid 320] rmdir("./config/usb_gadget/g1" [pid 319] <... rmdir resumed>) = 0 [pid 320] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 320] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... write resumed>) = 18 [pid 312] write(1, "executing program\n", 18 executing program executing program [pid 320] exit_group(0 [pid 319] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 320] <... exit_group resumed>) = ? [pid 319] exit_group(0 [pid 313] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... write resumed>) = 18 [pid 320] +++ exited with 0 +++ [pid 319] <... exit_group resumed>) = ? [pid 319] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 321 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x555579e166a0, 24) = 0 [ 25.691424][ T30] audit: type=1400 audit(1788343095.929:70): avc: denied { create } for pid=310 comm="syz-executor234" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 25.712665][ T30] audit: type=1400 audit(1788343095.949:71): avc: denied { mounton } for pid=311 comm="syz-executor234" path="/root/config" dev="configfs" ino=14545 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... 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, child_tidptr=0x555579e16690) = 322 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] <... openat resumed>) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] write(1, "executing program\n", 18) = 18 executing program [pid 321] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 321] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] mkdirat(AT_FDCWD, "./config", 0777 [pid 321] <... mkdirat resumed>) = 0 [pid 321] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x555579e166a0, 24) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] <... rmdir resumed>) = 0 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3 [pid 321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 322] <... close resumed>) = 0 [pid 321] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 322] write(1, "executing program\n", 18) = 18 [pid 321] exit_group(0 executing program [pid 322] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 322] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 321] <... exit_group resumed>) = ? [pid 322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 321] +++ exited with 0 +++ [pid 313] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] mount(NULL, "./config", "configfs", 0, NULL [pid 313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 322] rmdir("./config/usb_gadget/g1" [pid 312] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... mkdirat resumed>) = 0 [pid 312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] rmdir("./config/usb_gadget/g1") = 0 [pid 313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 313] exit_group(0 [pid 312] <... mkdirat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... exit_group resumed>) = ? [pid 312] rmdir("./config/usb_gadget/g1" [pid 322] <... rmdir resumed>) = 0 [ 25.736999][ T30] audit: type=1400 audit(1788343095.949:72): avc: denied { remove_name } for pid=311 comm="syz-executor234" name="g1" dev="configfs" ino=15040 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.761363][ T30] audit: type=1400 audit(1788343095.949:73): avc: denied { rmdir } for pid=311 comm="syz-executor234" name="g1" dev="configfs" ino=15040 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.789033][ T322] ================================================================== [ 25.797146][ T322] BUG: KASAN: use-after-free in kobject_get+0x113/0x120 [ 25.804093][ T322] Read of size 1 at addr ffff88810bf0383c by task syz-executor234/322 [ 25.812235][ T322] [ 25.814558][ T322] CPU: 1 PID: 322 Comm: syz-executor234 Not tainted syzkaller #0 [ 25.822268][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.832323][ T322] Call Trace: [ 25.835598][ T322] [ 25.838527][ T322] __dump_stack+0x21/0x30 [ 25.842964][ T322] dump_stack_lvl+0x110/0x170 [ 25.847640][ T322] ? show_regs_print_info+0x20/0x20 [ 25.852837][ T322] ? load_image+0x3f0/0x3f0 [ 25.857344][ T322] print_address_description+0x7f/0x2c0 [ 25.862904][ T322] ? kobject_get+0x113/0x120 [ 25.867488][ T322] kasan_report+0x10f/0x150 [ 25.871984][ T322] ? kobject_get+0x113/0x120 [ 25.876570][ T322] __asan_report_load1_noabort+0x14/0x20 [ 25.882194][ T322] kobject_get+0x113/0x120 [ 25.886603][ T322] device_add+0x2f0/0xe90 [ 25.890972][ T322] device_create+0x26c/0x300 [ 25.895582][ T322] ? root_device_unregister+0x80/0x80 [ 25.900970][ T322] create_function_device+0x60/0x70 [ 25.906187][ T322] f_midi_alloc_inst+0x1a8/0x380 [ 25.911137][ T322] usb_get_function_instance+0xe2/0x2f0 [ 25.916690][ T322] function_make+0x118/0x350 [ 25.921290][ T322] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 25.927627][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 25.934224][ T322] ? __kmalloc+0x13d/0x2c0 [ 25.938649][ T322] ? configfs_mkdir+0x444/0x9c0 [ 25.943514][ T322] configfs_mkdir+0x50a/0x9c0 [ 25.948202][ T322] vfs_mkdir+0x38b/0x590 [ 25.952461][ T322] do_mkdirat+0x174/0x4d0 [ 25.956814][ T322] __x64_sys_mkdirat+0x89/0xa0 [ 25.961588][ T322] x64_sys_call+0x37e/0x9a0 [ 25.966099][ T322] do_syscall_64+0x4c/0xa0 [ 25.970522][ T322] ? clear_bhb_loop+0x50/0xa0 [ 25.975207][ T322] ? clear_bhb_loop+0x50/0xa0 [ 25.979895][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.985820][ T322] RIP: 0033:0x7fbbb7b54639 [ 25.990256][ T322] 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 [ 26.009897][ T322] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 26.018320][ T322] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 26.026313][ T322] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 26.034297][ T322] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 26.042294][ T322] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000006451 [ 26.050276][ T322] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 26.058266][ T322] [ 26.061295][ T322] [ 26.063623][ T322] Allocated by task 310: [ 26.067872][ T322] __kasan_kmalloc+0xd4/0x100 [ 26.072557][ T322] kmem_cache_alloc_trace+0x119/0x270 [ 26.077936][ T322] device_create+0x13a/0x300 [ 26.082538][ T322] gadgets_make+0x816/0xa70 [ 26.087048][ T322] configfs_mkdir+0x50a/0x9c0 [ 26.091731][ T322] vfs_mkdir+0x38b/0x590 [ 26.095985][ T322] do_mkdirat+0x174/0x4d0 [ 26.100350][ T322] __x64_sys_mkdirat+0x89/0xa0 [ 26.105119][ T322] x64_sys_call+0x37e/0x9a0 [ 26.109625][ T322] do_syscall_64+0x4c/0xa0 [ 26.114056][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.119956][ T322] [ 26.122292][ T322] Freed by task 311: [ 26.126183][ T322] kasan_set_track+0x4a/0x70 [ 26.130780][ T322] kasan_set_free_info+0x23/0x40 [ 26.135725][ T322] ____kasan_slab_free+0x125/0x160 [ 26.140847][ T322] __kasan_slab_free+0x11/0x20 [ 26.145624][ T322] slab_free_freelist_hook+0xc2/0x190 [ 26.151008][ T322] kfree+0xc4/0x270 [ 26.154828][ T322] device_create_release+0x15/0x20 [ 26.159950][ T322] device_release+0x96/0x1c0 [ 26.164563][ T322] kobject_put+0x18a/0x270 [ 26.168991][ T322] device_destroy+0xb4/0xf0 [ 26.173501][ T322] gadgets_drop+0xa0/0xd0 [ 26.177836][ T322] configfs_rmdir+0x871/0x960 [ 26.182523][ T322] vfs_rmdir+0x1ae/0x450 [ 26.186773][ T322] do_rmdir+0x261/0x6b0 [ 26.190939][ T322] __x64_sys_rmdir+0x49/0x50 [ 26.195542][ T322] x64_sys_call+0x25f/0x9a0 [ 26.200058][ T322] do_syscall_64+0x4c/0xa0 [ 26.204480][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.210385][ T322] [ 26.212712][ T322] The buggy address belongs to the object at ffff88810bf03800 [ 26.212712][ T322] which belongs to the cache kmalloc-1k of size 1024 [ 26.226769][ T322] The buggy address is located 60 bytes inside of [ 26.226769][ T322] 1024-byte region [ffff88810bf03800, ffff88810bf03c00) [ 26.240046][ T322] The buggy address belongs to the page: [ 26.245682][ T322] page:ffffea00042fc000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10bf00 [ 26.255945][ T322] head:ffffea00042fc000 order:3 compound_mapcount:0 compound_pincount:0 [ 26.264277][ T322] flags: 0x4000000000010200(slab|head|zone=1) [ 26.270368][ T322] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 26.278978][ T322] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 26.287565][ T322] page dumped because: kasan: bad access detected [ 26.293979][ T322] page_owner tracks the page as allocated [ 26.299707][ T322] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 300, ts 25553793561, free_ts 25545579514 [ 26.318728][ T322] post_alloc_hook+0x192/0x1b0 [ 26.323526][ T322] prep_new_page+0x1c/0x110 [ 26.328040][ T322] get_page_from_freelist+0x2c3a/0x2cd0 [ 26.333609][ T322] __alloc_pages+0x1a2/0x460 [ 26.338205][ T322] new_slab+0xa0/0x4d0 [ 26.342284][ T322] ___slab_alloc+0x3ac/0x840 [ 26.346882][ T322] __slab_alloc+0x49/0x90 [ 26.351219][ T322] __kmalloc_track_caller+0x169/0x2c0 [ 26.356602][ T322] __alloc_skb+0x210/0x730 [ 26.361028][ T322] sk_stream_alloc_skb+0x216/0xb70 [ 26.366147][ T322] tcp_sendmsg_locked+0xcbb/0x3330 [ 26.371269][ T322] tcp_sendmsg+0x2f/0x50 [ 26.375522][ T322] inet_sendmsg+0xa5/0xc0 [ 26.379881][ T322] sock_write_iter+0x2a6/0x3a0 [ 26.384650][ T322] vfs_write+0x831/0xfd0 [ 26.388899][ T322] ksys_write+0x14a/0x260 [ 26.393238][ T322] page last free stack trace: [ 26.397922][ T322] free_unref_page_prepare+0x5fa/0x600 [ 26.403394][ T322] free_unref_page+0xae/0x540 [ 26.408106][ T322] __free_pages+0x6c/0x100 [ 26.412560][ T322] __free_slab+0xe5/0x1e0 [ 26.416900][ T322] __unfreeze_partials+0x15a/0x190 [ 26.422028][ T322] put_cpu_partial+0xc6/0x120 [ 26.426725][ T322] __slab_free+0x1d4/0x290 [ 26.431150][ T322] ___cache_free+0x104/0x120 [ 26.435747][ T322] qlink_free+0x4d/0x90 [ 26.439915][ T322] qlist_free_all+0x5f/0xb0 [ 26.444433][ T322] kasan_quarantine_reduce+0x14a/0x170 [ 26.449906][ T322] __kasan_slab_alloc+0x2f/0xe0 [ 26.454763][ T322] slab_post_alloc_hook+0x4f/0x2b0 [ 26.459906][ T322] kmem_cache_alloc+0xf7/0x260 [ 26.464680][ T322] __alloc_skb+0xe4/0x730 [ 26.469020][ T322] sk_stream_alloc_skb+0x216/0xb70 [ 26.474147][ T322] [ 26.476479][ T322] Memory state around the buggy address: [ 26.482113][ T322] ffff88810bf03700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.490188][ T322] ffff88810bf03780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [pid 322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 323 attached [pid 313] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 323 [pid 323] set_robust_list(0x555579e166a0, 24 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 323] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 323] <... prctl resumed>) = 0 [pid 323] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 323] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 323] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 323] write(3, "1000", 4) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 324 [pid 323] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 325 [pid 323] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [ 26.498262][ T322] >ffff88810bf03800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.506332][ T322] ^ [ 26.512229][ T322] ffff88810bf03880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.520295][ T322] ffff88810bf03900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.528361][ T322] ================================================================== [ 26.536425][ T322] Disabling lock debugging due to kernel taint [pid 323] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 323] <... write resumed>) = 18 [pid 323] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 323] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 325 attached ) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x555579e166a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] set_robust_list(0x555579e166a0, 24 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 executing program [pid 324] write(1, "executing program\n", 18) = 18 [pid 324] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 324] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 325] <... set_robust_list resumed>) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 executing program [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 325] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 26.552740][ T322] ------------[ cut here ]------------ [ 26.558338][ T322] refcount_t: addition on 0; use-after-free. [ 26.564574][ T322] WARNING: CPU: 1 PID: 322 at lib/refcount.c:25 refcount_warn_saturate+0x104/0x1a0 [ 26.574238][ T322] Modules linked in: [ 26.578396][ T322] CPU: 1 PID: 322 Comm: syz-executor234 Tainted: G B syzkaller #0 [ 26.587605][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 26.598028][ T322] RIP: 0010:refcount_warn_saturate+0x104/0x1a0 [ 26.604277][ T322] Code: 04 01 48 c7 c7 60 4b 63 85 e8 a8 a9 5a 02 0f 0b eb df e8 df 96 19 ff c6 05 7b 08 96 04 01 48 c7 c7 a0 4a 63 85 e8 8c a9 5a 02 <0f> 0b eb c3 e8 c3 96 19 ff c6 05 60 08 96 04 01 48 c7 c7 00 4b 63 [ 26.624017][ T322] RSP: 0018:ffffc90000a479f8 EFLAGS: 00010246 [ 26.630146][ T322] RAX: f1167dcf679f5d00 RBX: 0000000000000002 RCX: ffff88810be1cf00 [ 26.638183][ T322] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 26.646183][ T322] RBP: ffffc90000a47a08 R08: ffff8881f7127493 R09: 1ffff1103ee24e92 [ 26.654247][ T322] R10: dffffc0000000000 R11: ffffed103ee24e93 R12: 1ffff110217f090e [ 26.662257][ T322] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 26.670272][ T322] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.679455][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.686042][ T322] CR2: 00007fbbb7b75722 CR3: 000000011bab9000 CR4: 00000000003506a0 [ 26.694048][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.702051][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.710061][ T322] Call Trace: [ 26.713570][ T322] [ 26.716496][ T322] kobject_get+0xfb/0x120 [ 26.720886][ T322] device_add+0x2f0/0xe90 [ 26.725240][ T322] device_create+0x26c/0x300 [ 26.729884][ T322] ? root_device_unregister+0x80/0x80 [ 26.735285][ T322] create_function_device+0x60/0x70 [ 26.740530][ T322] f_midi_alloc_inst+0x1a8/0x380 [ 26.745489][ T322] usb_get_function_instance+0xe2/0x2f0 [ 26.751091][ T322] function_make+0x118/0x350 [ 26.755696][ T322] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 26.762112][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 26.768744][ T322] ? __kmalloc+0x13d/0x2c0 [ 26.773172][ T322] ? configfs_mkdir+0x444/0x9c0 [ 26.778063][ T322] configfs_mkdir+0x50a/0x9c0 [ 26.782763][ T322] vfs_mkdir+0x38b/0x590 [ 26.787010][ T322] do_mkdirat+0x174/0x4d0 [ 26.791380][ T322] __x64_sys_mkdirat+0x89/0xa0 [ 26.796165][ T322] x64_sys_call+0x37e/0x9a0 [ 26.800715][ T322] do_syscall_64+0x4c/0xa0 [ 26.805156][ T322] ? clear_bhb_loop+0x50/0xa0 [ 26.809973][ T322] ? clear_bhb_loop+0x50/0xa0 [ 26.814677][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.820609][ T322] RIP: 0033:0x7fbbb7b54639 [ 26.825045][ T322] 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 [ 26.844699][ T322] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 26.853147][ T322] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 26.861174][ T322] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 26.869231][ T322] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 26.877235][ T322] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000006451 [ 26.885397][ T322] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 26.893401][ T322] [ 26.896432][ T322] ---[ end trace 240261b1c8946b7c ]--- [ 26.901940][ T322] ------------[ cut here ]------------ [ 26.907416][ T322] refcount_t: saturated; leaking memory. [ 26.913172][ T322] WARNING: CPU: 1 PID: 322 at lib/refcount.c:22 refcount_warn_saturate+0x158/0x1a0 [ 26.922482][ T322] Modules linked in: [ 26.926383][ T322] CPU: 1 PID: 322 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 26.935518][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 26.945609][ T322] RIP: 0010:refcount_warn_saturate+0x158/0x1a0 [ 26.951838][ T322] Code: 04 01 48 c7 c7 40 4a 63 85 e8 54 a9 5a 02 0f 0b eb 8b e8 8b 96 19 ff c6 05 26 08 96 04 01 48 c7 c7 40 4a 63 85 e8 38 a9 5a 02 <0f> 0b e9 6c ff ff ff e8 6c 96 19 ff c6 05 0b 08 96 04 01 48 c7 c7 [ 26.971473][ T322] RSP: 0018:ffffc90000a478b8 EFLAGS: 00010246 [ 26.977549][ T322] RAX: f1167dcf679f5d00 RBX: 0000000000000001 RCX: ffff88810be1cf00 [ 26.985592][ T322] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 26.993594][ T322] RBP: ffffc90000a478c8 R08: ffffc90000a47327 R09: 1ffff92000148e64 [ 27.001596][ T322] R10: dffffc0000000000 R11: fffff52000148e65 R12: 00000000c0000000 [ 27.009729][ T322] R13: ffff88810bf84818 R14: 0000000000000001 R15: ffff88810bf03838 [ 27.017922][ T322] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.026872][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.033524][ T322] CR2: 00007fbbb7b75722 CR3: 000000011bab9000 CR4: 00000000003506a0 [ 27.041540][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.049587][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.057575][ T322] Call Trace: [ 27.060895][ T322] [ 27.063845][ T322] kobject_add_internal+0xc44/0xde0 [ 27.069083][ T322] ? kobject_set_name_vargs+0x4c/0x110 [ 27.074562][ T322] kobject_add+0x165/0x230 [ 27.079020][ T322] ? kobject_init+0x1d0/0x1d0 [ 27.083719][ T322] ? get_device_parent+0x12e/0x410 [ 27.088871][ T322] device_add+0x398/0xe90 [ 27.093232][ T322] device_create+0x26c/0x300 [ 27.097902][ T322] ? root_device_unregister+0x80/0x80 [ 27.103301][ T322] create_function_device+0x60/0x70 [ 27.108542][ T322] f_midi_alloc_inst+0x1a8/0x380 [ 27.113505][ T322] usb_get_function_instance+0xe2/0x2f0 [ 27.119095][ T322] function_make+0x118/0x350 [ 27.123701][ T322] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 27.130176][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 27.136793][ T322] ? __kmalloc+0x13d/0x2c0 [ 27.141269][ T322] ? configfs_mkdir+0x444/0x9c0 [ 27.146141][ T322] configfs_mkdir+0x50a/0x9c0 [ 27.150856][ T322] vfs_mkdir+0x38b/0x590 [ 27.155132][ T322] do_mkdirat+0x174/0x4d0 [ 27.159527][ T322] __x64_sys_mkdirat+0x89/0xa0 [ 27.164310][ T322] x64_sys_call+0x37e/0x9a0 [ 27.168850][ T322] do_syscall_64+0x4c/0xa0 [ 27.173289][ T322] ? clear_bhb_loop+0x50/0xa0 [ 27.177998][ T322] ? clear_bhb_loop+0x50/0xa0 [ 27.182715][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.188667][ T322] RIP: 0033:0x7fbbb7b54639 [ 27.193093][ T322] 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 [ 27.212744][ T322] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 27.221205][ T322] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 27.229214][ T322] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 27.237223][ T322] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 27.245239][ T322] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000006451 [ 27.253240][ T322] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 27.261257][ T322] [ 27.264294][ T322] ---[ end trace 240261b1c8946b7d ]--- [ 27.269766][ T322] ------------[ cut here ]------------ [ 27.275221][ T322] refcount_t: underflow; use-after-free. [ 27.280988][ T322] WARNING: CPU: 1 PID: 322 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 27.290344][ T322] Modules linked in: [ 27.294244][ T322] CPU: 1 PID: 322 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 27.303405][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.313508][ T322] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 27.319708][ T322] Code: 04 01 48 c7 c7 a0 4a 63 85 e8 8c a9 5a 02 0f 0b eb c3 e8 c3 96 19 ff c6 05 60 08 96 04 01 48 c7 c7 00 4b 63 85 e8 70 a9 5a 02 <0f> 0b eb a7 e8 a7 96 19 ff c6 05 41 08 96 04 01 48 c7 c7 40 4a 63 [ 27.339350][ T322] RSP: 0018:ffffc90000a47880 EFLAGS: 00010246 [ 27.345417][ T322] RAX: f1167dcf679f5d00 RBX: 0000000000000003 RCX: ffff88810be1cf00 [ 27.353425][ T322] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.361436][ T322] RBP: ffffc90000a47890 R08: ffffc90000a472e7 R09: 1ffff92000148e5c [ 27.369474][ T322] R10: dffffc0000000000 R11: fffff52000148e5d R12: 00000000c0000000 [ 27.377466][ T322] R13: ffff88810bf0383c R14: 0000000000000003 R15: ffff88810bf03838 [ 27.385566][ T322] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.394540][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.401188][ T322] CR2: 00007fbbb7b75722 CR3: 000000011bab9000 CR4: 00000000003506a0 [ 27.409208][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.417182][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.425205][ T322] Call Trace: [ 27.428575][ T322] [ 27.431520][ T322] kobject_put+0x231/0x270 [ 27.435954][ T322] kobject_add_internal+0xb52/0xde0 [ 27.441185][ T322] kobject_add+0x165/0x230 [ 27.445622][ T322] ? kobject_init+0x1d0/0x1d0 [ 27.450341][ T322] ? get_device_parent+0x12e/0x410 [ 27.455476][ T322] device_add+0x398/0xe90 [ 27.459852][ T322] device_create+0x26c/0x300 [ 27.464479][ T322] ? root_device_unregister+0x80/0x80 [ 27.469902][ T322] create_function_device+0x60/0x70 [ 27.475122][ T322] f_midi_alloc_inst+0x1a8/0x380 [ 27.480103][ T322] usb_get_function_instance+0xe2/0x2f0 [ 27.485676][ T322] function_make+0x118/0x350 [ 27.490324][ T322] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 27.496676][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 27.503372][ T322] ? __kmalloc+0x13d/0x2c0 [ 27.507834][ T322] ? configfs_mkdir+0x444/0x9c0 [ 27.512707][ T322] configfs_mkdir+0x50a/0x9c0 [ 27.517379][ T322] vfs_mkdir+0x38b/0x590 [ 27.521696][ T322] do_mkdirat+0x174/0x4d0 [ 27.526046][ T322] __x64_sys_mkdirat+0x89/0xa0 [ 27.530880][ T322] x64_sys_call+0x37e/0x9a0 [ 27.535405][ T322] do_syscall_64+0x4c/0xa0 [ 27.539875][ T322] ? clear_bhb_loop+0x50/0xa0 [ 27.544570][ T322] ? clear_bhb_loop+0x50/0xa0 [ 27.549305][ T322] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.555218][ T322] RIP: 0033:0x7fbbb7b54639 [ 27.559697][ T322] 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 [ 27.579355][ T322] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 27.587823][ T322] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 27.595814][ T322] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [pid 325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 322] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 324] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 323] <... mkdirat resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 325] rmdir("./config/usb_gadget/g1" [pid 324] rmdir("./config/usb_gadget/g1" [pid 323] rmdir("./config/usb_gadget/g1" [pid 322] exit_group(0 [ 27.603819][ T322] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 27.611945][ T322] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000006451 [ 27.619950][ T322] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 27.628083][ T322] [ 27.631130][ T322] ---[ end trace 240261b1c8946b7e ]--- [ 27.636599][ T322] kobject_add_internal failed for f_midi (error: -2 parent: [ 27.636599][ T322] 7) [ 27.649318][ T312] kobject_add_internal failed for f_midi (error: -2 parent: [pid 312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 322] <... exit_group resumed>) = ? [pid 312] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 322] +++ exited with 0 +++ [pid 325] <... rmdir resumed>) = 0 [pid 324] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 312] exit_group(0 [pid 323] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... exit_group resumed>) = ? [pid 325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=103 /* 1.03 s */} --- [pid 312] +++ exited with 0 +++ [pid 325] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 325] exit_group(0) = ? [pid 325] +++ exited with 0 +++ [pid 324] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 323] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 324] exit_group(0 [pid 323] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 324] <... exit_group resumed>) = ? [pid 323] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 324] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 323] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 327 attached ci2-android-5-15/strace-static-x86_64: Process 326 attached ci2-android-5-15/strace-static-x86_64: Process 328 attached [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 329 attached [pid 328] set_robust_list(0x555579e166a0, 24 [pid 327] set_robust_list(0x555579e166a0, 24 [pid 326] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 327 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 326 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 328 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 329] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 329 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 329] <... set_robust_list resumed>) = 0 [pid 327] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 329] rt_sigprocmask(SIG_SETMASK, [] [pid 327] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 330 [pid 329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 329] <... prctl resumed>) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] <... set_robust_list resumed>) = 0 [pid 327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 326] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18) = 18 executing program [pid 329] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 329] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 330 attached ) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [] [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 326] rt_sigprocmask(SIG_SETMASK, [] [pid 330] set_robust_list(0x555579e166a0, 24 [pid 329] rmdir("./config/usb_gadget/g1" [pid 330] <... set_robust_list resumed>) = 0 [pid 329] <... rmdir resumed>) = 0 [pid 328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 327] <... prctl resumed>) = 0 [pid 326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 330] setpgid(0, 0) = 0 [pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 330] write(3, "1000", 4) = 4 [pid 330] close(3) = 0 [pid 330] write(1, "executing program\n", 18) = 18 executing program [pid 330] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 330] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [ 27.649318][ T312] 7) [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 327] setpgid(0, 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 330] rmdir("./config/usb_gadget/g1" [pid 328] <... prctl resumed>) = 0 [pid 328] setpgid(0, 0) = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] write(3, "1000", 4) = 4 [pid 328] close(3) = 0 [pid 328] write(1, "executing program\n", 18) = 18 executing program [pid 328] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 328] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 328] rmdir("./config/usb_gadget/g1" [pid 327] <... setpgid resumed>) = 0 [pid 329] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 326] <... prctl resumed>) = 0 [pid 330] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 329] exit_group(0 [pid 328] <... rmdir resumed>) = 0 [pid 327] <... openat resumed>) = 3 [pid 326] setpgid(0, 0 [pid 330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 329] <... exit_group resumed>) = ? [pid 327] write(3, "1000", 4 [pid 326] <... setpgid resumed>) = 0 [pid 330] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 327] <... write resumed>) = 4 [pid 330] exit_group(0 [pid 328] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 327] close(3 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 330] <... exit_group resumed>) = ? [pid 328] exit_group(0) = ? [pid 327] <... close resumed>) = 0 [pid 326] <... openat resumed>) = 3 [pid 330] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 328] +++ exited with 0 +++ [pid 327] write(1, "executing program\n", 18 executing program [pid 326] write(3, "1000", 4 [pid 327] <... write resumed>) = 18 [pid 326] <... write resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 327] mkdirat(AT_FDCWD, "./config", 0777 [pid 326] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 326] <... close resumed>) = 0 [pid 327] mount(NULL, "./config", "configfs", 0, NULL [pid 326] write(1, "executing program\n", 18 [pid 327] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 326] <... write resumed>) = 18 executing program [pid 327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 326] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 326] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 327] <... mkdirat resumed>) = 0 [pid 326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 326] rmdir("./config/usb_gadget/g1" [pid 327] rmdir("./config/usb_gadget/g1" [pid 326] <... rmdir resumed>) = 0 [pid 326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 326] exit_group(0) = ? [pid 326] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 327] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 327] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 327] exit_group(0) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 331 attached [pid 327] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 331 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] set_robust_list(0x555579e166a0, 24 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 332 ci2-android-5-15/strace-static-x86_64: Process 333 attached ci2-android-5-15/strace-static-x86_64: Process 332 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 333 [pid 333] set_robust_list(0x555579e166a0, 24 [pid 332] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 333] <... set_robust_list resumed>) = 0 [pid 332] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [] [pid 332] rt_sigprocmask(SIG_SETMASK, [] [pid 331] <... set_robust_list resumed>) = 0 [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [] [pid 333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 332] <... prctl resumed>) = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 332] setpgid(0, 0 [pid 331] <... prctl resumed>) = 0 [pid 333] <... openat resumed>) = 3 [pid 332] <... setpgid resumed>) = 0 [pid 331] setpgid(0, 0 [pid 333] write(3, "1000", 4 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 333] <... write resumed>) = 4 [pid 332] <... openat resumed>) = 3 [pid 331] <... setpgid resumed>) = 0 [pid 332] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 333] close(3 [pid 332] <... write resumed>) = 4 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 332] close(3) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 333] <... close resumed>) = 0 [pid 332] write(1, "executing program\n", 18 [pid 331] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 333] write(1, "executing program\n", 18 [pid 332] <... write resumed>) = 18 [pid 331] write(3, "1000", 4 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 333] <... write resumed>) = 18 [pid 332] mkdirat(AT_FDCWD, "./config", 0777 [pid 331] <... write resumed>) = 4 [pid 333] mkdirat(AT_FDCWD, "./config", 0777 [pid 332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 331] close(3 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 334 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 332] mount(NULL, "./config", "configfs", 0, NULL [pid 331] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 333] mount(NULL, "./config", "configfs", 0, NULL [pid 332] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 331] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 333] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 331] <... write resumed>) = 18 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 335 ci2-android-5-15/strace-static-x86_64: Process 334 attached [pid 333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 332] <... mkdirat resumed>) = 0 [pid 332] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 335 attached [pid 331] mkdirat(AT_FDCWD, "./config", 0777 [pid 332] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 332] exit_group(0 [pid 331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 332] <... exit_group resumed>) = ? [pid 333] <... mkdirat resumed>) = 0 [pid 332] +++ exited with 0 +++ [pid 331] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 335] set_robust_list(0x555579e166a0, 24) = 0 [pid 331] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 333] rmdir("./config/usb_gadget/g1" [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] <... rmdir resumed>) = 0 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 331] <... mkdirat resumed>) = 0 [pid 333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 335] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 335] rmdir("./config/usb_gadget/g1") = 0 [pid 335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 335] exit_group(0) = ? [pid 335] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 333] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 331] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 334] set_robust_list(0x555579e166a0, 24 [pid 333] exit_group(0 [pid 331] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 333] <... exit_group resumed>) = ? [pid 331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 331] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 334] <... set_robust_list resumed>) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [] [pid 333] +++ exited with 0 +++ [pid 331] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 331] <... exit_group resumed>) = ? [pid 334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 331] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 337 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 337 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 337] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 337] <... set_robust_list resumed>) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 334] <... prctl resumed>) = 0 [pid 337] <... openat resumed>) = 3 [pid 334] setpgid(0, 0) = 0 [pid 337] write(3, "1000", 4 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 337] <... write resumed>) = 4 [pid 334] <... openat resumed>) = 3 [pid 337] close(3 [pid 334] write(3, "1000", 4 [pid 337] <... close resumed>) = 0 [pid 334] <... write resumed>) = 4 [pid 337] write(1, "executing program\n", 18) = 18 [pid 334] close(3 [pid 337] mkdirat(AT_FDCWD, "./config", 0777 [pid 334] <... close resumed>) = 0 [pid 337] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 337] mount(NULL, "./config", "configfs", 0, NULL [pid 334] write(1, "executing program\n", 18) = 18 [pid 337] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 334] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 334] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 337] <... mkdirat resumed>) = 0 [pid 334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 334] rmdir("./config/usb_gadget/g1") = 0 [pid 334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall resumed>) = 0 [pid 334] exit_group(0) = ? [pid 334] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 337] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 337] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 337] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 338 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x555579e166a0, 24) = 0 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 338] <... prctl resumed>) = 0 [pid 337] exit_group(0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 338] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 337] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 339 [pid 338] <... mkdirat resumed>) = 0 [pid 337] +++ exited with 0 +++ [pid 338] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 338] <... rmdir resumed>) = 0 [pid 338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 338] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 338] exit_group(0) = ? [pid 338] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x555579e166a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 339] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 340 [pid 339] <... setpgid resumed>) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 339] <... openat resumed>) = 3 [pid 339] write(3, "1000", 4) = 4 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 339] close(3) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 339] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 339] <... write resumed>) = 18 [pid 339] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 339] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 341 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x555579e166a0, 24 [pid 308] <... 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, child_tidptr=0x555579e16690) = 342 [pid 341] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] rt_sigprocmask(SIG_SETMASK, [] [pid 339] <... mkdirat resumed>) = 0 [pid 339] rmdir("./config/usb_gadget/g1" [pid 341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 339] <... rmdir resumed>) = 0 [pid 339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 339] exit_group(0) = ? [pid 341] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x555579e166a0, 24 [pid 341] setpgid(0, 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 341] <... setpgid resumed>) = 0 [pid 340] <... set_robust_list 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 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 340] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 343 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 343 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] <... openat resumed>) = 3 [pid 340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 343] set_robust_list(0x555579e166a0, 24 [pid 341] write(3, "1000", 4 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 343] <... set_robust_list resumed>) = 0 [pid 339] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 342 attached [pid 343] rt_sigprocmask(SIG_SETMASK, [] [pid 341] <... write resumed>) = 4 [pid 340] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 342] set_robust_list(0x555579e166a0, 24) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [] [pid 343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 341] close(3 [pid 340] setpgid(0, 0 [pid 342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 340] <... setpgid resumed>) = 0 [pid 342] <... prctl resumed>) = 0 [pid 342] setpgid(0, 0) = 0 [pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 341] <... close resumed>) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 342] <... openat resumed>) = 3 executing program [pid 341] write(1, "executing program\n", 18) = 18 [pid 340] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 342] write(3, "1000", 4 [pid 341] mkdirat(AT_FDCWD, "./config", 0777 [pid 340] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 340] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 341] mount(NULL, "./config", "configfs", 0, NULL [pid 340] close(3 [pid 342] <... write resumed>) = 4 [pid 342] close(3) = 0 [pid 342] write(1, "executing program\n", 18) = 18 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 344 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] <... close resumed>) = 0 [pid 341] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 340] write(1, "executing program\n", 18 [pid 342] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 342] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 340] <... write resumed>) = 18 [pid 342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 340] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x555579e166a0, 24) = 0 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 340] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] mkdirat(AT_FDCWD, "./config", 0777 [pid 341] <... mkdirat resumed>) = 0 executing program [pid 340] mount(NULL, "./config", "configfs", 0, NULL [pid 342] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 342] rmdir("./config/usb_gadget/g1" [pid 341] rmdir("./config/usb_gadget/g1" [pid 340] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 342] <... rmdir resumed>) = 0 [pid 342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 342] exit_group(0) = ? [ 27.680515][ T329] kobject_add_internal failed for f_midi (error: -2 parent: [ 27.680515][ T329] 7) [pid 341] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 342] +++ exited with 0 +++ [pid 341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 340] <... mkdirat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 343] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 344] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 344] rmdir("./config/usb_gadget/g1" [pid 308] <... 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, child_tidptr=0x555579e16690) = 345 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x555579e166a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 345] setpgid(0, 0) = 0 [pid 340] rmdir("./config/usb_gadget/g1" [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 343] <... setpgid resumed>) = 0 [pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 341] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 344] <... rmdir resumed>) = 0 [pid 343] <... openat resumed>) = 3 [pid 341] exit_group(0 [pid 344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 343] write(3, "1000", 4 [pid 341] <... exit_group resumed>) = ? [pid 340] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 344] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 344] exit_group(0 [pid 340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 343] <... write resumed>) = 4 [pid 344] <... exit_group resumed>) = ? [pid 344] +++ exited with 0 +++ [pid 343] close(3 [pid 341] +++ exited with 0 +++ [pid 340] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 345] write(3, "1000", 4) = 4 [pid 345] close(3) = 0 [pid 345] write(1, "executing program\n", 18 [pid 343] <... close resumed>) = 0 [pid 340] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 343] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 345] <... write resumed>) = 18 executing program [pid 345] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 343] <... write resumed>) = 18 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 340] <... exit_group resumed>) = ? [pid 345] mount(NULL, "./config", "configfs", 0, NULL [pid 343] mkdirat(AT_FDCWD, "./config", 0777 [pid 340] +++ exited with 0 +++ [pid 345] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 343] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 345] <... mkdirat resumed>) = 0 [pid 343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 345] rmdir("./config/usb_gadget/g1" [pid 343] rmdir("./config/usb_gadget/g1" [pid 345] <... rmdir resumed>) = 0 [pid 343] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 345] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 345] exit_group(0) = ? [pid 343] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 343] exit_group(0) = ? [pid 343] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 345] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] 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 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 346 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 348 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 347 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 349 [pid 346] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 347 attached ci2-android-5-15/strace-static-x86_64: Process 348 attached [pid 347] set_robust_list(0x555579e166a0, 24 [pid 346] <... openat resumed>) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 executing program [pid 346] write(1, "executing program\n", 18 [pid 348] set_robust_list(0x555579e166a0, 24 [pid 347] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x555579e166a0, 24) = 0 [pid 348] <... set_robust_list resumed>) = 0 [pid 347] rt_sigprocmask(SIG_SETMASK, [] [pid 346] <... write resumed>) = 18 [pid 349] rt_sigprocmask(SIG_SETMASK, [] [pid 347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] mkdirat(AT_FDCWD, "./config", 0777 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 348] rt_sigprocmask(SIG_SETMASK, [] [pid 347] <... prctl resumed>) = 0 [pid 349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 349] setpgid(0, 0 [pid 347] setpgid(0, 0 [pid 349] <... setpgid resumed>) = 0 [pid 347] <... setpgid resumed>) = 0 [pid 346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 346] mount(NULL, "./config", "configfs", 0, NULL [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] setpgid(0, 0 [pid 347] <... openat resumed>) = 3 [pid 346] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 348] <... setpgid resumed>) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 349] write(3, "1000", 4 [pid 347] write(3, "1000", 4 [pid 346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 349] <... write resumed>) = 4 [pid 349] close(3) = 0 [pid 349] write(1, "executing program\n", 18 [pid 347] <... write resumed>) = 4 [pid 349] <... write resumed>) = 18 executing program [pid 349] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 347] close(3 [pid 349] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 347] <... close resumed>) = 0 [pid 349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 347] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 350 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 347] <... write resumed>) = 18 [pid 347] mkdirat(AT_FDCWD, "./config", 0777 [pid 346] <... mkdirat resumed>) = 0 [pid 349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 349] rmdir("./config/usb_gadget/g1" [pid 347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 346] rmdir("./config/usb_gadget/g1" [pid 347] mount(NULL, "./config", "configfs", 0, NULL [pid 349] <... rmdir resumed>) = 0 [pid 349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 347] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 349] exit_group(0) = ? [pid 349] +++ exited with 0 +++ [pid 348] <... openat resumed>) = 3 [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 [pid 348] write(1, "executing program\n", 18) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 348] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 348] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 347] <... mkdirat resumed>) = 0 [pid 348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 348] rmdir("./config/usb_gadget/g1") = 0 [pid 348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 348] exit_group(0) = ? [pid 347] rmdir("./config/usb_gadget/g1" [pid 348] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 347] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x555579e166a0, 24) = 0 [pid 347] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 346] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 347] exit_group(0 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] <... exit_group resumed>) = ? [pid 346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4 [pid 347] +++ exited with 0 +++ [pid 346] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 350] <... write resumed>) = 4 [pid 350] close(3) = 0 executing program [pid 350] write(1, "executing program\n", 18) = 18 [pid 350] mkdirat(AT_FDCWD, "./config", 0777 [pid 346] exit_group(0 [pid 350] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 350] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 346] <... exit_group resumed>) = ? [pid 350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 346] +++ exited with 0 +++ [pid 350] <... mkdirat resumed>) = 0 [pid 350] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 350] <... rmdir resumed>) = 0 [pid 350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 350] exit_group(0) = ? [pid 350] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall 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 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 351 attached [pid 307] <... restart_syscall resumed>) = 0 [pid 351] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 351 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 351] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 353 attached ci2-android-5-15/strace-static-x86_64: Process 352 attached ci2-android-5-15/strace-static-x86_64: Process 354 attached [pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 352] set_robust_list(0x555579e166a0, 24 [pid 351] <... prctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 352 [pid 354] set_robust_list(0x555579e166a0, 24 [pid 353] set_robust_list(0x555579e166a0, 24 [pid 352] <... set_robust_list resumed>) = 0 [pid 351] setpgid(0, 0 [pid 354] <... set_robust_list resumed>) = 0 [pid 353] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 352] rt_sigprocmask(SIG_SETMASK, [] [pid 351] <... setpgid resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 354 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 353 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 351] <... openat resumed>) = 3 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 351] write(3, "1000", 4 [pid 352] <... prctl resumed>) = 0 [pid 353] rt_sigprocmask(SIG_SETMASK, [] [pid 352] setpgid(0, 0 [pid 351] <... write resumed>) = 4 [pid 354] rt_sigprocmask(SIG_SETMASK, [] [pid 353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 352] <... setpgid resumed>) = 0 [pid 354] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 351] close(3 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 351] <... close resumed>) = 0 [pid 352] <... openat resumed>) = 3 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 351] write(1, "executing program\n", 18 [pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 353] <... prctl resumed>) = 0 [pid 352] write(3, "1000", 4 [pid 354] <... prctl resumed>) = 0 [pid 353] setpgid(0, 0 [pid 352] <... write resumed>) = 4 [pid 351] <... write resumed>) = 18 [pid 354] setpgid(0, 0 [pid 353] <... setpgid resumed>) = 0 [pid 352] close(3 [pid 354] <... setpgid resumed>) = 0 [pid 351] mkdirat(AT_FDCWD, "./config", 0777 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 352] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 352] write(1, "executing program\n", 18 [ 27.742413][ T341] kobject_add_internal failed for f_midi (error: -2 parent: [ 27.742413][ T341] 7) [pid 351] mount(NULL, "./config", "configfs", 0, NULL [pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 353] <... openat resumed>) = 3 [pid 352] <... write resumed>) = 18 [pid 351] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 353] write(3, "1000", 4 executing program [pid 352] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 354] <... openat resumed>) = 3 [pid 353] <... write resumed>) = 4 [pid 352] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 351] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 355 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 355 attached [pid 355] set_robust_list(0x555579e166a0, 24) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 355] setpgid(0, 0) = 0 [pid 351] rmdir("./config/usb_gadget/g1" [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 355] write(3, "1000", 4) = 4 [pid 355] close(3) = 0 [pid 351] <... rmdir resumed>) = 0 [pid 355] write(1, "executing program\n", 18) = 18 [pid 355] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 355] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 352] mount(NULL, "./config", "configfs", 0, NULL [pid 351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 352] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 354] write(3, "1000", 4 [pid 353] close(3 [pid 352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 351] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 354] <... write resumed>) = 4 [pid 353] <... close resumed>) = 0 [pid 351] exit_group(0 [pid 354] close(3 [pid 353] write(1, "executing program\n", 18 [pid 351] <... exit_group resumed>) = ? [pid 353] <... write resumed>) = 18 executing program executing program [pid 355] <... mkdirat resumed>) = 0 [pid 354] <... close resumed>) = 0 [pid 353] mkdirat(AT_FDCWD, "./config", 0777 [pid 352] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 351] +++ exited with 0 +++ [pid 352] rmdir("./config/usb_gadget/g1" [pid 355] rmdir("./config/usb_gadget/g1" [pid 354] write(1, "executing program\n", 18 [pid 353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 352] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 355] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 354] <... write resumed>) = 18 [pid 353] mount(NULL, "./config", "configfs", 0, NULL [pid 352] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 352] exit_group(0) = ? [pid 352] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 353] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 353] rmdir("./config/usb_gadget/g1") = 0 [pid 353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 353] exit_group(0) = ? [pid 353] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 354] mkdirat(AT_FDCWD, "./config", 0777 [pid 355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 354] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 355] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 354] <... mkdirat resumed>) = 0 [pid 354] rmdir("./config/usb_gadget/g1") = 0 [pid 354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 354] exit_group(0) = ? [pid 354] +++ exited with 0 +++ [pid 355] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 355] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [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 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 355] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 356 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 357 attached ci2-android-5-15/strace-static-x86_64: Process 356 attached [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 357 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 357] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 357] <... set_robust_list resumed>) = 0 [pid 356] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 359 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 358 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 357] rt_sigprocmask(SIG_SETMASK, [] [pid 356] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 360 ci2-android-5-15/strace-static-x86_64: Process 358 attached [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 357] setpgid(0, 0 [pid 356] rt_sigprocmask(SIG_SETMASK, [] [pid 357] <... setpgid resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] set_robust_list(0x555579e166a0, 24 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 357] <... openat resumed>) = 3 [pid 358] <... set_robust_list resumed>) = 0 [pid 357] write(3, "1000", 4 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 357] <... write resumed>) = 4 [pid 356] <... prctl resumed>) = 0 [pid 357] close(3) = 0 [pid 356] setpgid(0, 0 [pid 357] write(1, "executing program\n", 18 [pid 356] <... setpgid resumed>) = 0 [pid 357] <... write resumed>) = 18 executing program [pid 357] mkdirat(AT_FDCWD, "./config", 0777 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 357] mount(NULL, "./config", "configfs", 0, NULL [pid 356] <... openat resumed>) = 3 [pid 358] rt_sigprocmask(SIG_SETMASK, [] [pid 357] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 356] write(3, "1000", 4 [pid 357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 358] setpgid(0, 0) = 0 [pid 357] <... mkdirat resumed>) = 0 [pid 356] <... write resumed>) = 4 [pid 357] rmdir("./config/usb_gadget/g1" [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 360 attached ci2-android-5-15/strace-static-x86_64: Process 359 attached [pid 358] write(3, "1000", 4 [pid 357] <... rmdir resumed>) = 0 [pid 356] close(3 [pid 357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 357] exit_group(0 [pid 358] <... write resumed>) = 4 [pid 357] <... exit_group resumed>) = ? [pid 360] set_robust_list(0x555579e166a0, 24 [pid 359] set_robust_list(0x555579e166a0, 24 [pid 358] close(3 [pid 357] +++ exited with 0 +++ [pid 356] <... close resumed>) = 0 [pid 360] <... set_robust_list resumed>) = 0 [pid 356] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 360] rt_sigprocmask(SIG_SETMASK, [] [pid 356] <... write resumed>) = 18 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 356] mkdirat(AT_FDCWD, "./config", 0777 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] write(1, "executing program\n", 18) = 18 executing program [pid 360] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 360] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 360] rmdir("./config/usb_gadget/g1") = 0 [pid 360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 360] exit_group(0) = ? [pid 360] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 359] <... set_robust_list resumed>) = 0 [pid 356] mount(NULL, "./config", "configfs", 0, NULL [pid 359] rt_sigprocmask(SIG_SETMASK, [] [pid 356] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 [pid 359] write(1, "executing program\n", 18) = 18 [pid 359] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 359] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 356] <... mkdirat resumed>) = 0 [pid 359] rmdir("./config/usb_gadget/g1" [pid 356] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 358] <... close 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 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 362 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 361 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 362 attached ci2-android-5-15/strace-static-x86_64: Process 361 attached [pid 358] write(1, "executing program\n", 18 [pid 356] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 361] set_robust_list(0x555579e166a0, 24 [pid 358] <... write resumed>) = 18 [pid 356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 362] set_robust_list(0x555579e166a0, 24 [pid 361] <... set_robust_list resumed>) = 0 [pid 359] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 358] mkdirat(AT_FDCWD, "./config", 0777 [pid 356] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 359] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 362] <... set_robust_list resumed>) = 0 [pid 358] mount(NULL, "./config", "configfs", 0, NULL [pid 356] exit_group(0 [pid 362] rt_sigprocmask(SIG_SETMASK, [] [pid 358] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 356] <... exit_group resumed>) = ? [pid 361] rt_sigprocmask(SIG_SETMASK, [] [pid 358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 359] exit_group(0 [pid 362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 359] <... exit_group resumed>) = ? [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 359] +++ exited with 0 +++ [pid 356] +++ exited with 0 +++ [pid 358] <... mkdirat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 362] <... prctl resumed>) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] write(1, "executing program\n", 18 [pid 358] rmdir("./config/usb_gadget/g1" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 362] <... write resumed>) = 18 [pid 361] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 358] <... rmdir resumed>) = 0 [pid 362] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 361] <... prctl resumed>) = 0 [pid 358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 362] mount(NULL, "./config", "configfs", 0, NULL [pid 361] setpgid(0, 0 [pid 362] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 361] <... setpgid resumed>) = 0 [pid 362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 362] <... mkdirat resumed>) = 0 [pid 361] <... openat resumed>) = 3 [pid 362] rmdir("./config/usb_gadget/g1" [pid 361] write(3, "1000", 4 [pid 362] <... rmdir resumed>) = 0 [pid 361] <... write resumed>) = 4 [pid 362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 361] close(3 [pid 362] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 361] <... close resumed>) = 0 [pid 362] exit_group(0 [pid 361] write(1, "executing program\n", 18 [pid 358] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 362] <... exit_group resumed>) = ? [pid 361] <... write resumed>) = 18 [pid 362] +++ exited with 0 +++ [pid 361] mkdirat(AT_FDCWD, "./config", 0777 [pid 358] exit_group(0) = ? [pid 361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 361] mount(NULL, "./config", "configfs", 0, NULL [pid 358] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 361] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 361] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 361] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 361] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 361] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 361] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 361] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 363 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 363 attached ci2-android-5-15/strace-static-x86_64: Process 364 attached [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] set_robust_list(0x555579e166a0, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 364 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 364] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 365 attached [pid 364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 363] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 365 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 366 [pid 364] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 364] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 364] <... setpgid resumed>) = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4) = 4 [pid 364] close(3) = 0 [pid 364] write(1, "executing program\n", 18 [pid 363] <... set_robust_list resumed>) = 0 [pid 364] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 364] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 363] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 364] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 364] rmdir("./config/usb_gadget/g1") = 0 [pid 364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 364] exit_group(0) = ? [pid 364] +++ exited with 0 +++ [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 367 [pid 363] <... prctl resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 363] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x555579e166a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 367] setpgid(0, 0) = 0 [pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 367] write(3, "1000", 4) = 4 [pid 367] close(3) = 0 [pid 367] write(1, "executing program\n", 18) = 18 executing program [pid 367] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 367] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 363] <... setpgid resumed>) = 0 [pid 367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 367] rmdir("./config/usb_gadget/g1") = 0 [pid 367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 363] <... openat resumed>) = 3 [pid 367] exit_group(0) = ? [pid 367] +++ exited with 0 +++ [pid 363] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 366 attached ) = 4 [pid 366] set_robust_list(0x555579e166a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 363] close(3 [pid 366] <... set_robust_list resumed>) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] set_robust_list(0x555579e166a0, 24 [pid 363] <... close resumed>) = 0 [pid 366] <... openat resumed>) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] write(1, "executing program\n", 18) = 18 executing program [pid 366] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 366] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 363] write(1, "executing program\n", 18 [pid 366] rmdir("./config/usb_gadget/g1") = 0 [pid 363] <... write resumed>) = 18 [pid 366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 366] exit_group(0) = ? [pid 363] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 363] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program [pid 363] mount(NULL, "./config", "configfs", 0, NULL [pid 365] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 363] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [] [pid 363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 368 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 363] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 366] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 363] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x555579e166a0, 24) = 0 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 363] <... rmdir resumed>) = 0 [pid 365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 368] <... openat resumed>) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3) = 0 [pid 363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 368] write(1, "executing program\n", 18) = 18 [pid 368] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 365] <... prctl resumed>) = 0 [pid 363] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 365] setpgid(0, 0 [pid 368] mount(NULL, "./config", "configfs", 0, NULL [pid 363] exit_group(0 [pid 365] <... setpgid resumed>) = 0 [pid 363] <... exit_group resumed>) = ? [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 368] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 363] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] <... openat resumed>) = 3 [pid 368] <... mkdirat resumed>) = 0 [pid 368] rmdir("./config/usb_gadget/g1" [pid 365] write(3, "1000", 4 [pid 368] <... rmdir resumed>) = 0 [pid 368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 365] <... write resumed>) = 4 [pid 368] exit_group(0) = ? [pid 365] close(3 [pid 368] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 365] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] <... write resumed>) = 18 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 365] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 369 attached ) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 369 [pid 369] set_robust_list(0x555579e166a0, 24 [pid 365] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 369] <... set_robust_list resumed>) = 0 [pid 365] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 365] <... mkdirat resumed>) = 0 [pid 365] rmdir("./config/usb_gadget/g1" [pid 369] <... openat resumed>) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 [pid 369] write(1, "executing program\n", 18 [pid 365] <... rmdir resumed>) = 0 [pid 369] <... write resumed>) = 18 executing program [pid 365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 369] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 369] mount(NULL, "./config", "configfs", 0, NULL [pid 365] exit_group(0) = ? [pid 369] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 365] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 369] <... mkdirat resumed>) = 0 [pid 369] rmdir("./config/usb_gadget/g1" [pid 307] <... 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 369] <... rmdir resumed>) = 0 [pid 369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 370 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 369] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 369] exit_group(0) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 371 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 372 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 372 attached ci2-android-5-15/strace-static-x86_64: Process 371 attached ci2-android-5-15/strace-static-x86_64: Process 370 attached [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 372] set_robust_list(0x555579e166a0, 24) = 0 [pid 371] set_robust_list(0x555579e166a0, 24 [pid 370] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 373 attached [pid 372] rt_sigprocmask(SIG_SETMASK, [] [pid 371] <... set_robust_list resumed>) = 0 [pid 370] <... set_robust_list resumed>) = 0 [pid 369] +++ exited with 0 +++ [pid 372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 372] setpgid(0, 0) = 0 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 372] write(3, "1000", 4) = 4 [pid 372] close(3) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [] [pid 372] write(1, "executing program\n", 18) = 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 373 [pid 372] mkdirat(AT_FDCWD, "./config", 0777 [pid 371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 372] mount(NULL, "./config", "configfs", 0, NULL [pid 371] <... prctl resumed>) = 0 [pid 372] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 371] setpgid(0, 0 [pid 372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 371] <... setpgid resumed>) = 0 [pid 373] set_robust_list(0x555579e166a0, 24 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 370] setpgid(0, 0) = 0 [pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 372] <... mkdirat resumed>) = 0 [pid 371] <... openat resumed>) = 3 [pid 370] <... openat resumed>) = 3 [pid 373] <... set_robust_list resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 370] write(3, "1000", 4) = 4 [pid 370] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 370] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 372] rmdir("./config/usb_gadget/g1" [pid 371] write(3, "1000", 4 [pid 370] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] rt_sigprocmask(SIG_SETMASK, [] [pid 370] <... write resumed>) = 18 [pid 370] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 374 [pid 370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 370] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 374 attached [pid 373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 372] <... rmdir resumed>) = 0 [pid 371] <... write resumed>) = 4 [pid 370] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 374] set_robust_list(0x555579e166a0, 24 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 371] close(3 [pid 374] <... set_robust_list resumed>) = 0 [pid 370] <... mkdirat resumed>) = 0 [pid 370] rmdir("./config/usb_gadget/g1" [pid 371] <... close resumed>) = 0 [pid 370] <... rmdir resumed>) = 0 [pid 370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 370] exit_group(0) = ? [pid 374] rt_sigprocmask(SIG_SETMASK, [] [pid 373] <... prctl resumed>) = 0 [pid 372] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 371] write(1, "executing program\n", 18 [pid 370] +++ exited with 0 +++ executing program [pid 373] setpgid(0, 0 [pid 372] exit_group(0 [pid 371] <... write resumed>) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 373] <... setpgid resumed>) = 0 [pid 372] <... exit_group resumed>) = ? [pid 371] mkdirat(AT_FDCWD, "./config", 0777 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 372] +++ exited with 0 +++ [pid 371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 374] <... prctl resumed>) = 0 [pid 373] <... openat resumed>) = 3 [pid 371] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 374] setpgid(0, 0 [pid 373] write(3, "1000", 4 [pid 371] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 374] <... setpgid resumed>) = 0 [pid 373] <... write resumed>) = 4 [pid 371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 373] close(3 [pid 371] <... mkdirat resumed>) = 0 [pid 374] <... openat resumed>) = 3 [pid 373] <... close resumed>) = 0 [pid 371] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 375 ci2-android-5-15/strace-static-x86_64: Process 375 attached [pid 374] write(3, "1000", 4 [pid 373] write(1, "executing program\n", 18 [pid 371] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 374] <... write resumed>) = 4 [pid 373] <... write resumed>) = 18 [pid 371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 374] close(3 [pid 373] mkdirat(AT_FDCWD, "./config", 0777 [pid 371] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 374] <... close resumed>) = 0 [pid 373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 371] exit_group(0 executing program [pid 374] write(1, "executing program\n", 18 [pid 373] mount(NULL, "./config", "configfs", 0, NULL [pid 371] <... exit_group resumed>) = ? [pid 374] <... write resumed>) = 18 [pid 373] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 371] +++ exited with 0 +++ [pid 375] set_robust_list(0x555579e166a0, 24 [pid 374] mkdirat(AT_FDCWD, "./config", 0777 [pid 373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 375] <... set_robust_list resumed>) = 0 [pid 374] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 373] <... mkdirat resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 374] mount(NULL, "./config", "configfs", 0, NULL [pid 373] rmdir("./config/usb_gadget/g1" [pid 374] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 373] <... rmdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 375] rt_sigprocmask(SIG_SETMASK, [] [pid 374] <... mkdirat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 374] rmdir("./config/usb_gadget/g1" [pid 373] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 304] <... restart_syscall resumed>) = 0 [pid 374] <... rmdir resumed>) = 0 [pid 373] exit_group(0 [pid 374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 373] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 376 attached [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 374] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 373] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 376 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 376] set_robust_list(0x555579e166a0, 24 [pid 375] <... prctl resumed>) = 0 [pid 374] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 376] <... set_robust_list resumed>) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [] [pid 375] setpgid(0, 0 [pid 374] <... exit_group resumed>) = ? [pid 376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 375] <... setpgid resumed>) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] write(1, "executing program\n", 18) = 18 [pid 375] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 375] mount(NULL, "./config", "configfs", 0, NULL [pid 374] +++ exited with 0 +++ [pid 375] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 377 [pid 375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 377 attached [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 375] <... mkdirat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 377] set_robust_list(0x555579e166a0, 24 [pid 376] <... prctl resumed>) = 0 [pid 375] rmdir("./config/usb_gadget/g1" [pid 377] <... set_robust_list resumed>) = 0 [pid 376] setpgid(0, 0 [pid 375] <... rmdir resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [] [pid 375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] <... setpgid resumed>) = 0 [pid 375] exit_group(0) = ? [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 375] +++ exited with 0 +++ [pid 377] <... prctl resumed>) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 377] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 [pid 377] write(1, "executing program\n", 18) = 18 executing program [pid 377] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 377] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 376] <... openat resumed>) = 3 [pid 377] <... mkdirat resumed>) = 0 [pid 377] rmdir("./config/usb_gadget/g1") = 0 [pid 376] write(3, "1000", 4 [pid 377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 377] exit_group(0) = ? [pid 377] +++ exited with 0 +++ [pid 376] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 376] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [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 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 379 attached ci2-android-5-15/strace-static-x86_64: Process 378 attached [pid 376] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 376] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 378 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 379 executing program [pid 376] <... write resumed>) = 18 [pid 379] set_robust_list(0x555579e166a0, 24 [pid 378] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 376] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 379] <... set_robust_list resumed>) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 378] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 380 attached [pid 380] set_robust_list(0x555579e166a0, 24) = 0 [pid 376] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 380 [pid 378] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 380] <... prctl resumed>) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 380] write(3, "1000", 4 [pid 376] <... mkdirat resumed>) = 0 [pid 380] <... write resumed>) = 4 [pid 380] close(3) = 0 [pid 380] write(1, "executing program\n", 18) = 18 [pid 380] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 380] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 380] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 380] rmdir("./config/usb_gadget/g1") = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] rmdir("./config/usb_gadget/g1" [pid 380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 380] exit_group(0) = ? [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 376] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 378] <... prctl resumed>) = 0 [pid 376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 380] +++ exited with 0 +++ [pid 376] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 379] <... prctl resumed>) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 378] setpgid(0, 0 [pid 376] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 381 [pid 376] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 379] <... openat resumed>) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 376] +++ exited with 0 +++ [pid 379] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 378] <... setpgid resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 379] <... write resumed>) = 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 379] mkdirat(AT_FDCWD, "./config", 0777 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 379] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 378] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x555579e166a0, 24) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 378] write(3, "1000", 4 [pid 381] <... prctl resumed>) = 0 [pid 381] setpgid(0, 0) = 0 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 378] <... write resumed>) = 4 [pid 381] <... openat resumed>) = 3 [pid 378] close(3 [pid 381] write(3, "1000", 4) = 4 [pid 381] close(3) = 0 [pid 378] <... close resumed>) = 0 [pid 381] write(1, "executing program\n", 18 [pid 378] write(1, "executing program\n", 18 [pid 381] <... write resumed>) = 18 [pid 381] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 381] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 379] <... mkdirat resumed>) = 0 [pid 381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 381] rmdir("./config/usb_gadget/g1" executing program executing program [pid 378] <... write resumed>) = 18 [pid 378] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 378] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 379] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 381] <... rmdir resumed>) = 0 [pid 381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 381] exit_group(0) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 381] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 382 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 382 attached [pid 382] set_robust_list(0x555579e166a0, 24) = 0 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 382] setpgid(0, 0) = 0 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 382] write(3, "1000", 4 [pid 378] <... mkdirat resumed>) = 0 [pid 379] <... rmdir resumed>) = 0 [pid 378] rmdir("./config/usb_gadget/g1" [pid 379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 379] exit_group(0) = ? [pid 379] +++ exited with 0 +++ [pid 378] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... restart_syscall resumed>) = 0 [pid 378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 378] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [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 382] <... write resumed>) = 4 [pid 382] close(3) = 0 [pid 382] write(1, "executing program\n", 18) = 18 [pid 382] mkdirat(AT_FDCWD, "./config", 0777 [pid 378] exit_group(0) = ? [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 383 [pid 382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 382] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 382] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 384 [pid 382] <... rmdir resumed>) = 0 [pid 382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 382] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 382] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 382] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 378] +++ exited with 0 +++ executing program [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 383 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 383] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 384 attached [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 384] set_robust_list(0x555579e166a0, 24 [pid 383] <... openat resumed>) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] write(1, "executing program\n", 18 [pid 384] <... set_robust_list resumed>) = 0 executing program [pid 383] <... write resumed>) = 18 [pid 383] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 384] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 383] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 385 [pid 383] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 386 [pid 383] rmdir("./config/usb_gadget/g1") = 0 [pid 383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 383] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 383] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 385 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 385] set_robust_list(0x555579e166a0, 24) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 387 [pid 385] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 386 attached [pid 384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 386] set_robust_list(0x555579e166a0, 24 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 386] <... set_robust_list resumed>) = 0 [pid 384] <... prctl resumed>) = 0 [pid 385] close(3) = 0 [pid 385] write(1, "executing program\n", 18) = 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 385] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 385] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 385] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 388 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 384] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 384] <... setpgid resumed>) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 386] rt_sigprocmask(SIG_SETMASK, [] [pid 384] <... openat resumed>) = 3 [pid 385] <... mkdirat resumed>) = 0 [pid 385] rmdir("./config/usb_gadget/g1" [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3 [pid 386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 384] <... close resumed>) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 384] write(1, "executing program\n", 18 [pid 385] <... rmdir resumed>) = 0 executing program [pid 385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 384] <... write resumed>) = 18 [pid 385] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 385] exit_group(0) = ? [pid 384] mkdirat(AT_FDCWD, "./config", 0777 [pid 386] <... prctl resumed>) = 0 [pid 386] setpgid(0, 0 [pid 384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 384] mount(NULL, "./config", "configfs", 0, NULL [pid 386] <... setpgid resumed>) = 0 [pid 384] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 385] +++ exited with 0 +++ [pid 384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x555579e166a0, 24) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] write(1, "executing program\n", 18) = 18 [pid 384] <... mkdirat resumed>) = 0 executing program [pid 387] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 387] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 386] <... openat resumed>) = 3 [ 27.877711][ T373] kobject_add_internal failed for f_midi (error: -2 parent: [ 27.877711][ T373] 7) [pid 384] rmdir("./config/usb_gadget/g1" [pid 387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 386] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 388 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 388] set_robust_list(0x555579e166a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 389 [pid 388] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 388] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] write(3, "1000", 4) = 4 [pid 388] close(3) = 0 [pid 388] write(1, "executing program\n", 18) = 18 [pid 388] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 388] mount(NULL, "./config", "configfs", 0, NULL [pid 384] <... rmdir resumed>) = 0 executing program [pid 388] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 386] <... write resumed>) = 4 [pid 384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 386] close(3 [pid 388] <... mkdirat resumed>) = 0 [pid 384] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 389 attached [pid 388] rmdir("./config/usb_gadget/g1" [pid 387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 386] <... close resumed>) = 0 [pid 384] <... exit_group resumed>) = ? [pid 389] set_robust_list(0x555579e166a0, 24 [pid 384] +++ exited with 0 +++ [pid 389] <... set_robust_list resumed>) = 0 [pid 388] <... rmdir resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 389] rt_sigprocmask(SIG_SETMASK, [] [pid 388] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 388] exit_group(0) = ? [pid 389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 387] rmdir("./config/usb_gadget/g1" [pid 386] write(1, "executing program\n", 18 executing program [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 386] <... write resumed>) = 18 [pid 389] setpgid(0, 0 [pid 388] +++ exited with 0 +++ [pid 387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 386] mkdirat(AT_FDCWD, "./config", 0777 [pid 389] <... setpgid resumed>) = 0 [pid 386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 386] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 387] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 389] <... openat resumed>) = 3 [pid 386] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 389] write(3, "1000", 4) = 4 [pid 387] exit_group(0 [pid 386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 389] close(3) = 0 [pid 389] write(1, "executing program\n", 18) = 18 [pid 389] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 389] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 387] <... exit_group resumed>) = ? [pid 387] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 386] <... mkdirat resumed>) = 0 [pid 389] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 389] rmdir("./config/usb_gadget/g1" [pid 386] rmdir("./config/usb_gadget/g1" [pid 389] <... rmdir resumed>) = 0 [pid 386] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 389] exit_group(0) = ? [pid 386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 389] +++ exited with 0 +++ [pid 386] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 386] exit_group(0) = ? [pid 386] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 391 attached ci2-android-5-15/strace-static-x86_64: Process 393 attached ci2-android-5-15/strace-static-x86_64: Process 392 attached ci2-android-5-15/strace-static-x86_64: Process 390 attached [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 390] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 390 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 392 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 391 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 393 ci2-android-5-15/strace-static-x86_64: Process 394 attached [pid 393] set_robust_list(0x555579e166a0, 24 [pid 392] set_robust_list(0x555579e166a0, 24 [pid 391] set_robust_list(0x555579e166a0, 24 [pid 390] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 394 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [] [pid 394] set_robust_list(0x555579e166a0, 24) = 0 [pid 394] rt_sigprocmask(SIG_SETMASK, [] [pid 393] <... set_robust_list resumed>) = 0 [pid 391] <... set_robust_list resumed>) = 0 [pid 392] <... set_robust_list resumed>) = 0 [pid 390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 394] <... prctl resumed>) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 390] <... prctl resumed>) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [] [pid 392] rt_sigprocmask(SIG_SETMASK, [] [pid 391] rt_sigprocmask(SIG_SETMASK, [] [pid 390] setpgid(0, 0 [pid 394] <... openat resumed>) = 3 [pid 394] write(3, "1000", 4 [pid 393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 390] <... setpgid resumed>) = 0 [pid 394] <... write resumed>) = 4 [pid 394] close(3) = 0 [pid 394] write(1, "executing program\n", 18) = 18 [pid 394] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 394] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 390] <... openat resumed>) = 3 executing program [pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 394] <... mkdirat resumed>) = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 390] write(3, "1000", 4 [pid 394] rmdir("./config/usb_gadget/g1") = 0 [pid 390] <... write resumed>) = 4 [pid 394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 394] exit_group(0) = ? [pid 394] +++ exited with 0 +++ [pid 393] <... prctl resumed>) = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 391] <... prctl resumed>) = 0 [pid 390] close(3) = 0 [pid 390] write(1, "executing program\n", 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 390] <... write resumed>) = 18 executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 390] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 390] mount(NULL, "./config", "configfs", 0, NULL [pid 393] setpgid(0, 0 [pid 390] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 392] <... prctl resumed>) = 0 [pid 390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 393] <... setpgid resumed>) = 0 [pid 392] setpgid(0, 0 [pid 391] setpgid(0, 0 [pid 390] <... mkdirat resumed>) = 0 [pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 392] <... setpgid resumed>) = 0 [pid 391] <... setpgid resumed>) = 0 [pid 390] rmdir("./config/usb_gadget/g1" [pid 393] <... openat resumed>) = 3 [pid 390] <... rmdir resumed>) = 0 [pid 390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 390] exit_group(0) = ? [pid 393] write(3, "1000", 4 [pid 390] +++ exited with 0 +++ [pid 393] <... write resumed>) = 4 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 393] close(3 [pid 392] <... openat resumed>) = 3 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 393] <... close resumed>) = 0 [pid 392] write(3, "1000", 4 [pid 391] <... openat resumed>) = 3 [pid 392] <... write resumed>) = 4 [pid 391] write(3, "1000", 4 [pid 392] close(3 [pid 391] <... write resumed>) = 4 [pid 392] <... close resumed>) = 0 [pid 391] close(3 [pid 393] write(1, "executing program\n", 18 [pid 392] write(1, "executing program\n", 18 [pid 391] <... close resumed>) = 0 [pid 392] <... write resumed>) = 18 [pid 391] write(1, "executing program\n", 18 [pid 392] mkdirat(AT_FDCWD, "./config", 0777 [pid 391] <... write resumed>) = 18 [pid 392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 391] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program executing program [pid 392] mount(NULL, "./config", "configfs", 0, NULL [pid 391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 393] <... write resumed>) = 18 [pid 392] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 391] mount(NULL, "./config", "configfs", 0, NULL [pid 393] mkdirat(AT_FDCWD, "./config", 0777 [pid 392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 391] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 392] <... mkdirat resumed>) = 0 [pid 391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 392] rmdir("./config/usb_gadget/g1" [pid 391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 392] <... rmdir resumed>) = 0 [pid 391] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 391] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 392] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 392] exit_group(0 [pid 391] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 392] <... exit_group resumed>) = ? [pid 391] exit_group(0 [pid 393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 392] +++ exited with 0 +++ [pid 391] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 393] mount(NULL, "./config", "configfs", 0, NULL [pid 391] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 395 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 395] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 395 ci2-android-5-15/strace-static-x86_64: Process 396 attached [pid 393] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 396 [pid 393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] write(1, "executing program\n", 18) = 18 [pid 395] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 395] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 393] <... mkdirat resumed>) = 0 executing program [pid 395] rmdir("./config/usb_gadget/g1" [pid 396] set_robust_list(0x555579e166a0, 24 [pid 395] <... rmdir resumed>) = 0 [pid 393] rmdir("./config/usb_gadget/g1" [pid 395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 395] exit_group(0) = ? [pid 395] +++ exited with 0 +++ [pid 393] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 396] <... set_robust_list resumed>) = 0 [pid 393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 396] rt_sigprocmask(SIG_SETMASK, [] [pid 393] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 393] exit_group(0 [pid 396] setpgid(0, 0 [pid 393] <... exit_group resumed>) = ? [pid 396] <... setpgid resumed>) = 0 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 396] write(3, "1000", 4) = 4 [pid 396] close(3) = 0 [pid 396] write(1, "executing program\n", 18 [pid 393] +++ exited with 0 +++ [pid 396] <... write resumed>) = 18 [pid 396] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 396] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 396] rmdir("./config/usb_gadget/g1") = 0 [pid 396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 396] exit_group(0) = ? [pid 396] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 397 attached , child_tidptr=0x555579e16690) = 397 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 397] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 397] <... set_robust_list resumed>) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 397] setpgid(0, 0) = 0 [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 397] write(3, "1000", 4) = 4 [pid 397] close(3) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 397] write(1, "executing program\n", 18) = 18 executing program [pid 397] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 397] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 397] <... mkdirat resumed>) = 0 [pid 397] rmdir("./config/usb_gadget/g1" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] 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 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 397] <... rmdir resumed>) = 0 [pid 397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 397] exit_group(0) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 399 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 398 [pid 305] 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] rt_sigprocmask(SIG_SETMASK, [] [pid 397] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x555579e166a0, 24) = 0 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 400 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 401 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 398] <... setpgid resumed>) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x555579e166a0, 24) = 0 [pid 398] <... openat resumed>) = 3 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3 [pid 399] <... prctl resumed>) = 0 [pid 398] <... close resumed>) = 0 [pid 399] setpgid(0, 0) = 0 [pid 398] write(1, "executing program\n", 18 executing program [pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 398] <... write resumed>) = 18 [pid 398] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 399] <... openat resumed>) = 3 [pid 398] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 399] write(3, "1000", 4) = 4 [pid 399] close(3) = 0 [pid 399] write(1, "executing program\n", 18) = 18 [pid 399] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 399] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 398] <... mkdirat resumed>) = 0 [pid 399] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 399] rmdir("./config/usb_gadget/g1") = 0 [pid 398] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 398] exit_group(0) = ? [pid 398] +++ exited with 0 +++ [pid 399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 399] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 399] exit_group(0) = ? [pid 399] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 400 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 401 attached [pid 400] set_robust_list(0x555579e166a0, 24 [pid 401] set_robust_list(0x555579e166a0, 24) = 0 [pid 400] <... set_robust_list resumed>) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [] [pid 401] rt_sigprocmask(SIG_SETMASK, [] [pid 400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 400] <... prctl resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 401] <... prctl resumed>) = 0 [pid 400] setpgid(0, 0 [pid 401] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 401] <... setpgid resumed>) = 0 [pid 400] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 402 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 402 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 402] set_robust_list(0x555579e166a0, 24 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 402] <... set_robust_list resumed>) = 0 [pid 401] <... openat resumed>) = 3 [pid 400] <... openat resumed>) = 3 [pid 401] write(3, "1000", 4 [pid 400] write(3, "1000", 4 [pid 402] rt_sigprocmask(SIG_SETMASK, [] [pid 401] <... write resumed>) = 4 [pid 400] <... write resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 400] close(3 [pid 401] close(3 [pid 402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 401] <... close resumed>) = 0 [pid 400] <... close resumed>) = 0 [pid 400] write(1, "executing program\n", 18 executing program [pid 401] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 402] <... prctl resumed>) = 0 [pid 400] <... write resumed>) = 18 executing program [pid 402] setpgid(0, 0 [pid 401] <... write resumed>) = 18 [pid 400] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 401] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 402] <... setpgid resumed>) = 0 [pid 400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 401] mount(NULL, "./config", "configfs", 0, NULL [pid 400] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 403 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 404 [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 401] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x555579e166a0, 24 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 403] <... set_robust_list resumed>) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [] [pid 402] <... openat resumed>) = 3 [pid 401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 400] <... mkdirat resumed>) = 0 [pid 403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 400] rmdir("./config/usb_gadget/g1" [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0) = 0 [pid 402] write(3, "1000", 4 [pid 401] rmdir("./config/usb_gadget/g1" [pid 400] <... rmdir resumed>) = 0 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 402] <... write resumed>) = 4 [pid 401] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 403] <... openat resumed>) = 3 [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] write(1, "executing program\n", 18 [pid 402] close(3 [pid 401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 400] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x555579e166a0, 24) = 0 executing program [pid 402] <... close resumed>) = 0 [pid 401] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 400] exit_group(0 [pid 403] <... write resumed>) = 18 [pid 401] exit_group(0 [pid 400] <... exit_group resumed>) = ? [pid 401] <... exit_group resumed>) = ? [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0 [pid 401] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 404] <... setpgid resumed>) = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 400] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 404] write(3, "1000", 4) = 4 executing program [pid 404] close(3) = 0 [pid 404] write(1, "executing program\n", 18) = 18 [pid 404] mkdirat(AT_FDCWD, "./config", 0777 [pid 403] mkdirat(AT_FDCWD, "./config", 0777 [pid 402] write(1, "executing program\n", 18 [pid 404] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 404] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 402] <... write resumed>) = 18 [pid 404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 402] mkdirat(AT_FDCWD, "./config", 0777 [pid 403] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 402] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 404] <... mkdirat resumed>) = 0 [pid 404] rmdir("./config/usb_gadget/g1" [pid 403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 402] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 404] <... rmdir resumed>) = 0 [pid 404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 404] exit_group(0 [pid 403] <... mkdirat resumed>) = 0 [pid 402] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 403] rmdir("./config/usb_gadget/g1" [pid 402] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 405 attached [pid 403] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 402] <... rmdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 405 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] <... exit_group resumed>) = ? [pid 405] set_robust_list(0x555579e166a0, 24 [pid 404] +++ exited with 0 +++ [pid 403] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 402] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 406 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 406 attached ) = ? [pid 403] exit_group(0 [pid 406] set_robust_list(0x555579e166a0, 24) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 406] setpgid(0, 0) = 0 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 402] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 403] <... exit_group resumed>) = ? [pid 406] write(3, "1000", 4) = 4 [pid 406] close(3 [pid 307] <... 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 403] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 407 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 406] <... close resumed>) = 0 [pid 406] write(1, "executing program\n", 18 [pid 405] <... set_robust_list resumed>) = 0 [pid 406] <... write resumed>) = 18 [pid 406] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 405] rt_sigprocmask(SIG_SETMASK, [] [pid 406] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 405] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 407 attached [pid 406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 407] set_robust_list(0x555579e166a0, 24) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0 [pid 406] <... mkdirat resumed>) = 0 [pid 405] <... prctl resumed>) = 0 [pid 407] <... setpgid resumed>) = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 405] setpgid(0, 0 [pid 406] rmdir("./config/usb_gadget/g1" [pid 407] <... openat resumed>) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3 [pid 405] <... setpgid resumed>) = 0 executing program [pid 407] <... close resumed>) = 0 [pid 407] write(1, "executing program\n", 18) = 18 [pid 407] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 407] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 407] rmdir("./config/usb_gadget/g1" [pid 405] <... openat resumed>) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 executing program [pid 407] <... rmdir resumed>) = 0 [pid 407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 406] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 405] write(1, "executing program\n", 18 [pid 407] exit_group(0) = ? executing program [pid 406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 405] <... write resumed>) = 18 [pid 406] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 405] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 407] +++ exited with 0 +++ [pid 406] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 405] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 406] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 405] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 408 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 409 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 410 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x555579e166a0, 24) = 0 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 406] +++ exited with 0 +++ [pid 405] <... mkdirat resumed>) = 0 [pid 405] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 409] <... openat resumed>) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] write(1, "executing program\n", 18) = 18 [pid 409] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 409] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x555579e166a0, 24 [pid 405] <... rmdir resumed>) = 0 executing program [pid 405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 408 attached [pid 410] <... set_robust_list resumed>) = 0 [pid 405] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 409] <... mkdirat resumed>) = 0 [pid 409] rmdir("./config/usb_gadget/g1") = 0 [pid 409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 409] exit_group(0) = ? [pid 409] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 405] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 405] <... exit_group resumed>) = ? [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4 [pid 405] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 410] <... write resumed>) = 4 [pid 410] close(3) = 0 [pid 410] write(1, "executing program\n", 18) = 18 executing program [pid 408] set_robust_list(0x555579e166a0, 24 [pid 410] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 410] mount(NULL, "./config", "configfs", 0, NULL [pid 408] <... set_robust_list resumed>) = 0 [pid 410] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 410] rmdir("./config/usb_gadget/g1" [pid 408] rt_sigprocmask(SIG_SETMASK, [] [pid 410] <... rmdir resumed>) = 0 [pid 408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 408] <... prctl resumed>) = 0 [pid 408] setpgid(0, 0) = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 410] exit_group(0 [pid 408] <... openat resumed>) = 3 [pid 410] <... exit_group resumed>) = ? [pid 408] write(3, "1000", 4 [pid 410] +++ exited with 0 +++ [pid 408] <... write resumed>) = 4 [pid 408] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 408] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 411 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 411 [pid 411] set_robust_list(0x555579e166a0, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 411] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 408] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 412 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 412 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 412] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 412] <... set_robust_list resumed>) = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 408] <... write resumed>) = 18 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 413 attached [pid 412] rt_sigprocmask(SIG_SETMASK, [] [pid 411] <... prctl resumed>) = 0 [pid 408] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 413 ci2-android-5-15/strace-static-x86_64: Process 414 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 414 [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 412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 414] set_robust_list(0x555579e166a0, 24 [pid 412] <... prctl resumed>) = 0 [pid 412] setpgid(0, 0) = 0 [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 414] <... set_robust_list resumed>) = 0 [pid 411] <... openat resumed>) = 3 [pid 414] rt_sigprocmask(SIG_SETMASK, [] [pid 412] <... openat resumed>) = 3 [pid 411] write(3, "1000", 4 [pid 414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 413] set_robust_list(0x555579e166a0, 24 [pid 412] write(3, "1000", 4 [pid 411] <... write resumed>) = 4 [pid 408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 413] <... set_robust_list resumed>) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [] [pid 412] <... write resumed>) = 4 [pid 411] close(3 [pid 408] mount(NULL, "./config", "configfs", 0, NULL [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 414] <... prctl resumed>) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 413] <... prctl resumed>) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 411] <... close resumed>) = 0 [pid 408] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 411] write(1, "executing program\n", 18 executing program [pid 412] close(3 [pid 413] <... openat resumed>) = 3 [pid 411] <... write resumed>) = 18 [pid 414] <... openat resumed>) = 3 [pid 412] <... close resumed>) = 0 [pid 408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 412] write(1, "executing program\n", 18 [pid 411] mkdirat(AT_FDCWD, "./config", 0777 [pid 412] <... write resumed>) = 18 [pid 411] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 412] mkdirat(AT_FDCWD, "./config", 0777 [pid 411] mount(NULL, "./config", "configfs", 0, NULL [pid 414] write(3, "1000", 4 [pid 413] write(3, "1000", 4 [pid 412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 411] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 408] <... mkdirat resumed>) = 0 [pid 412] mount(NULL, "./config", "configfs", 0, NULL [pid 411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 408] rmdir("./config/usb_gadget/g1" [pid 414] <... write resumed>) = 4 [pid 413] <... write resumed>) = 4 [pid 412] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 411] rmdir("./config/usb_gadget/g1" [pid 408] <... rmdir resumed>) = 0 [pid 412] <... mkdirat resumed>) = 0 [pid 411] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 414] close(3 [pid 413] close(3 [pid 412] rmdir("./config/usb_gadget/g1" [pid 411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 413] <... close resumed>) = 0 [pid 414] <... close resumed>) = 0 [pid 413] write(1, "executing program\n", 18 [pid 414] write(1, "executing program\n", 18) = 18 [pid 413] <... write resumed>) = 18 [pid 414] mkdirat(AT_FDCWD, "./config", 0777 [pid 413] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program executing program [pid 414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 413] mount(NULL, "./config", "configfs", 0, NULL [pid 414] mount(NULL, "./config", "configfs", 0, NULL [pid 413] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 414] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 413] rmdir("./config/usb_gadget/g1" [pid 414] rmdir("./config/usb_gadget/g1" [pid 411] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 408] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 414] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 413] <... rmdir resumed>) = 0 [pid 414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 414] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 413] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 411] exit_group(0 [pid 412] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 411] <... exit_group resumed>) = ? [pid 412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 414] exit_group(0 [pid 413] exit_group(0 [pid 414] <... exit_group resumed>) = ? [pid 413] <... exit_group resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 412] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 411] +++ exited with 0 +++ [pid 408] exit_group(0 [pid 413] +++ exited with 0 +++ [pid 412] exit_group(0 [pid 408] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 412] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 412] +++ exited with 0 +++ [pid 408] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 416 attached ci2-android-5-15/strace-static-x86_64: Process 415 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 415 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 416] set_robust_list(0x555579e166a0, 24 [pid 415] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 416 [pid 416] <... set_robust_list resumed>) = 0 [pid 415] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 416] rt_sigprocmask(SIG_SETMASK, [] [pid 415] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 418 attached ci2-android-5-15/strace-static-x86_64: Process 417 attached [pid 416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 418] set_robust_list(0x555579e166a0, 24 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 418 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 417 ci2-android-5-15/strace-static-x86_64: Process 419 attached [pid 418] <... set_robust_list resumed>) = 0 [pid 417] set_robust_list(0x555579e166a0, 24 [pid 416] <... prctl resumed>) = 0 [pid 415] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 419] set_robust_list(0x555579e166a0, 24 [pid 418] rt_sigprocmask(SIG_SETMASK, [] [pid 416] setpgid(0, 0 [pid 415] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 419 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 419] <... set_robust_list resumed>) = 0 [pid 418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 416] <... setpgid resumed>) = 0 [pid 415] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 419] rt_sigprocmask(SIG_SETMASK, [] [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 418] <... prctl resumed>) = 0 [pid 417] <... set_robust_list resumed>) = 0 [pid 416] <... openat resumed>) = 3 [pid 415] <... openat resumed>) = 3 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 418] setpgid(0, 0 [pid 416] write(3, "1000", 4 [pid 415] write(3, "1000", 4 [pid 419] <... prctl resumed>) = 0 [pid 418] <... setpgid resumed>) = 0 [pid 416] <... write resumed>) = 4 [pid 415] <... write resumed>) = 4 [pid 419] setpgid(0, 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 416] close(3 [pid 415] close(3 [pid 419] <... setpgid resumed>) = 0 [pid 418] <... openat resumed>) = 3 [pid 417] rt_sigprocmask(SIG_SETMASK, [] [pid 416] <... close resumed>) = 0 [pid 415] <... close resumed>) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 418] write(3, "1000", 4 [pid 416] write(1, "executing program\n", 18 [pid 415] write(1, "executing program\n", 18 [pid 419] <... openat resumed>) = 3 [pid 418] <... write resumed>) = 4 [pid 416] <... write resumed>) = 18 executing program executing program [pid 415] <... write resumed>) = 18 [pid 419] write(3, "1000", 4 [pid 418] close(3 [pid 416] mkdirat(AT_FDCWD, "./config", 0777 [pid 415] mkdirat(AT_FDCWD, "./config", 0777 [pid 419] <... write resumed>) = 4 [pid 418] <... close resumed>) = 0 [pid 417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 419] close(3 [pid 418] write(1, "executing program\n", 18 [pid 416] mount(NULL, "./config", "configfs", 0, NULL [pid 415] mount(NULL, "./config", "configfs", 0, NULL [pid 419] <... close resumed>) = 0 [pid 418] <... write resumed>) = 18 [pid 416] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 415] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 419] write(1, "executing program\n", 18 [pid 418] mkdirat(AT_FDCWD, "./config", 0777 [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 419] <... write resumed>) = 18 [pid 418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 417] <... prctl resumed>) = 0 [pid 417] setpgid(0, 0 [pid 416] <... mkdirat resumed>) = 0 [pid 417] <... setpgid resumed>) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 418] mount(NULL, "./config", "configfs", 0, NULL [pid 417] <... openat resumed>) = 3 [pid 415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 417] write(3, "1000", 4 [pid 418] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 415] rmdir("./config/usb_gadget/g1" [pid 416] rmdir("./config/usb_gadget/g1" [pid 417] <... write resumed>) = 4 [pid 417] close(3 [pid 415] <... rmdir resumed>) = 0 [pid 418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 417] <... close resumed>) = 0 executing program [pid 417] write(1, "executing program\n", 18) = 18 [pid 417] mkdirat(AT_FDCWD, "./config", 0777 [pid 418] <... mkdirat resumed>) = 0 [pid 417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 416] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 417] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 417] rmdir("./config/usb_gadget/g1" [pid 418] rmdir("./config/usb_gadget/g1" [pid 417] <... rmdir resumed>) = 0 [pid 416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 415] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 415] exit_group(0 [pid 418] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 416] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 415] <... exit_group resumed>) = ? [pid 418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 417] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 417] exit_group(0) = ? [pid 419] mkdirat(AT_FDCWD, "./config", 0777 [pid 418] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 417] +++ exited with 0 +++ [pid 416] exit_group(0 [pid 415] +++ exited with 0 +++ [pid 419] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 418] exit_group(0 [pid 416] <... exit_group resumed>) = ? [pid 419] mount(NULL, "./config", "configfs", 0, NULL [pid 418] <... exit_group resumed>) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 416] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 419] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 418] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 419] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 419] rmdir("./config/usb_gadget/g1" [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 419] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 421 attached ci2-android-5-15/strace-static-x86_64: Process 420 attached [pid 419] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 420 ci2-android-5-15/strace-static-x86_64: Process 423 attached ci2-android-5-15/strace-static-x86_64: Process 422 attached [pid 421] set_robust_list(0x555579e166a0, 24 [pid 420] set_robust_list(0x555579e166a0, 24 [pid 419] exit_group(0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 421 [pid 423] set_robust_list(0x555579e166a0, 24 [pid 421] <... set_robust_list resumed>) = 0 [pid 420] <... set_robust_list resumed>) = 0 [pid 419] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 423 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 422 [pid 423] <... set_robust_list resumed>) = 0 [pid 422] set_robust_list(0x555579e166a0, 24 [pid 421] rt_sigprocmask(SIG_SETMASK, [] [pid 420] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [] [pid 421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 419] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 422] <... set_robust_list resumed>) = 0 [pid 421] <... prctl resumed>) = 0 [pid 420] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_SETMASK, [] [pid 421] setpgid(0, 0 [pid 420] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] <... setpgid resumed>) = 0 [pid 420] <... setpgid resumed>) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 422] <... prctl resumed>) = 0 [pid 422] setpgid(0, 0 [pid 421] <... openat resumed>) = 3 [pid 422] <... setpgid resumed>) = 0 [pid 420] <... openat resumed>) = 3 [pid 421] write(3, "1000", 4 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 421] <... write resumed>) = 4 [pid 420] write(3, "1000", 4 [pid 421] close(3 [pid 422] <... openat resumed>) = 3 executing program [pid 421] <... close resumed>) = 0 [pid 420] <... write resumed>) = 4 [pid 421] write(1, "executing program\n", 18 [pid 422] write(3, "1000", 4 [pid 421] <... write resumed>) = 18 [pid 420] close(3 [pid 422] <... write resumed>) = 4 [pid 421] mkdirat(AT_FDCWD, "./config", 0777 [pid 420] <... close resumed>) = 0 [pid 421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 420] write(1, "executing program\n", 18 [pid 421] mount(NULL, "./config", "configfs", 0, NULL [pid 422] close(3) = 0 [pid 421] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 420] <... write resumed>) = 18 executing program [pid 421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 422] write(1, "executing program\n", 18) = 18 [pid 422] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 422] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 421] <... mkdirat resumed>) = 0 [pid 422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 422] rmdir("./config/usb_gadget/g1") = 0 [pid 422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 423] <... prctl resumed>) = 0 [pid 423] setpgid(0, 0 [pid 421] rmdir("./config/usb_gadget/g1" [pid 420] mkdirat(AT_FDCWD, "./config", 0777 [pid 421] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 423] <... setpgid resumed>) = 0 [pid 421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 421] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 420] mount(NULL, "./config", "configfs", 0, NULL [pid 423] <... openat resumed>) = 3 [pid 421] exit_group(0 [pid 420] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 421] <... exit_group resumed>) = ? [pid 420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] write(1, "executing program\n", 18) = 18 [pid 423] mkdirat(AT_FDCWD, "./config", 0777 [pid 421] +++ exited with 0 +++ [pid 423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 423] mount(NULL, "./config", "configfs", 0, NULL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 423] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 420] <... mkdirat resumed>) = 0 [pid 423] rmdir("./config/usb_gadget/g1") = 0 [pid 423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ executing program [pid 420] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 420] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall 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 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 424 ci2-android-5-15/strace-static-x86_64: Process 424 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... 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 424] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 425 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 426 attached ci2-android-5-15/strace-static-x86_64: Process 425 attached [pid 424] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 427 attached [pid 426] set_robust_list(0x555579e166a0, 24 [pid 425] set_robust_list(0x555579e166a0, 24 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 427 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] set_robust_list(0x555579e166a0, 24 [pid 426] <... set_robust_list resumed>) = 0 [pid 425] <... set_robust_list resumed>) = 0 [pid 424] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 426 [pid 427] <... set_robust_list resumed>) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [] [pid 425] rt_sigprocmask(SIG_SETMASK, [] [pid 424] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x555579e166a0, 24) = 0 [pid 426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 428 [pid 427] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 426] <... prctl resumed>) = 0 [pid 424] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 426] setpgid(0, 0 [pid 425] <... prctl resumed>) = 0 [pid 424] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] write(1, "executing program\n", 18) = 18 executing program [pid 428] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 428] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 426] <... setpgid resumed>) = 0 [pid 428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] setpgid(0, 0 [pid 427] <... prctl resumed>) = 0 [pid 424] <... write resumed>) = 4 [pid 427] setpgid(0, 0 [pid 426] write(3, "1000", 4 [pid 425] <... setpgid resumed>) = 0 [pid 424] close(3 [pid 426] <... write resumed>) = 4 [pid 426] close(3) = 0 [pid 426] write(1, "executing program\n", 18) = 18 executing program [pid 426] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 426] mount(NULL, "./config", "configfs", 0, NULL [pid 428] <... mkdirat resumed>) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 428] rmdir("./config/usb_gadget/g1" [pid 426] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 424] <... close resumed>) = 0 [pid 426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 424] write(1, "executing program\n", 18 [pid 425] <... openat resumed>) = 3 [pid 424] <... write resumed>) = 18 executing program [pid 425] write(3, "1000", 4 [pid 427] <... setpgid resumed>) = 0 [pid 425] <... write resumed>) = 4 [pid 424] mkdirat(AT_FDCWD, "./config", 0777 [pid 425] close(3 [pid 424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 428] <... rmdir resumed>) = 0 [ 28.067595][ T408] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.067595][ T408] 7) [pid 428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 426] <... mkdirat resumed>) = 0 [pid 425] <... close resumed>) = 0 [pid 424] mount(NULL, "./config", "configfs", 0, NULL [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ [pid 426] rmdir("./config/usb_gadget/g1" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 427] <... openat resumed>) = 3 [pid 426] <... rmdir resumed>) = 0 [pid 425] write(1, "executing program\n", 18 [pid 424] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 425] <... write resumed>) = 18 [pid 424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 426] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 425] mkdirat(AT_FDCWD, "./config", 0777 [pid 427] write(3, "1000", 4 [pid 426] exit_group(0 [pid 425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 424] <... mkdirat resumed>) = 0 [pid 426] <... exit_group resumed>) = ? [pid 425] mount(NULL, "./config", "configfs", 0, NULL [pid 424] rmdir("./config/usb_gadget/g1" [pid 426] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 425] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 427] <... write resumed>) = 4 [pid 425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 424] <... rmdir resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 429 ci2-android-5-15/strace-static-x86_64: Process 429 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 429] set_robust_list(0x555579e166a0, 24) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] close(3 [pid 425] <... mkdirat resumed>) = 0 [pid 424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 425] rmdir("./config/usb_gadget/g1" [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 429] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 429] <... setpgid resumed>) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] write(1, "executing program\n", 18) = 18 [pid 429] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 429] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 430 attached [pid 430] set_robust_list(0x555579e166a0, 24) = 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] write(1, "executing program\n", 18) = 18 [pid 430] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 430] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 430 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program executing program [pid 427] <... close resumed>) = 0 [pid 424] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 424] exit_group(0) = ? [pid 430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 429] <... mkdirat resumed>) = 0 [pid 427] write(1, "executing program\n", 18 [pid 425] <... rmdir resumed>) = 0 [pid 430] rmdir("./config/usb_gadget/g1") = 0 [pid 429] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 430] exit_group(0 [pid 429] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 430] <... exit_group resumed>) = ? [pid 429] exit_group(0 [pid 425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 429] <... exit_group resumed>) = ? executing program [pid 430] +++ exited with 0 +++ [pid 429] +++ exited with 0 +++ [pid 427] <... write resumed>) = 18 [pid 425] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 425] exit_group(0) = ? [pid 427] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 427] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 425] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 424] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 427] <... mkdirat resumed>) = 0 [pid 427] rmdir("./config/usb_gadget/g1") = 0 [pid 427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] 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 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 431 attached ci2-android-5-15/strace-static-x86_64: Process 432 attached [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 431 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 432 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 431] set_robust_list(0x555579e166a0, 24) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 432] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 433 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 434 ci2-android-5-15/strace-static-x86_64: Process 435 attached ci2-android-5-15/strace-static-x86_64: Process 433 attached [pid 431] <... openat resumed>) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 435 [pid 431] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 432] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 435] set_robust_list(0x555579e166a0, 24 [pid 433] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 435] <... set_robust_list resumed>) = 0 [pid 433] <... set_robust_list resumed>) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] write(1, "executing program\n", 18 [pid 435] rt_sigprocmask(SIG_SETMASK, [] [pid 433] rt_sigprocmask(SIG_SETMASK, [] [pid 431] <... write resumed>) = 18 [pid 435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 433] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x555579e166a0, 24 [pid 432] <... prctl resumed>) = 0 [pid 431] mkdirat(AT_FDCWD, "./config", 0777 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 432] setpgid(0, 0 [pid 435] <... prctl resumed>) = 0 [pid 433] <... prctl resumed>) = 0 [pid 431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 432] <... setpgid resumed>) = 0 [pid 435] setpgid(0, 0 [pid 433] setpgid(0, 0 [pid 431] mount(NULL, "./config", "configfs", 0, NULL [pid 435] <... setpgid resumed>) = 0 [pid 433] <... setpgid resumed>) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 431] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 432] <... openat resumed>) = 3 [pid 434] <... set_robust_list resumed>) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 431] <... mkdirat resumed>) = 0 [pid 432] write(3, "1000", 4 [pid 435] <... openat resumed>) = 3 [pid 432] <... write resumed>) = 4 [pid 431] rmdir("./config/usb_gadget/g1" [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 432] close(3 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] <... close resumed>) = 0 [pid 431] <... rmdir resumed>) = 0 [pid 432] write(1, "executing program\n", 18 [pid 435] write(3, "1000", 4 [pid 433] <... openat resumed>) = 3 [pid 432] <... write resumed>) = 18 [pid 435] <... write resumed>) = 4 [pid 431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 433] write(3, "1000", 4 [pid 432] mkdirat(AT_FDCWD, "./config", 0777 [pid 435] close(3 [pid 433] <... write resumed>) = 4 [pid 431] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 435] <... close resumed>) = 0 [pid 433] close(3 [pid 432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 431] exit_group(0 [pid 435] write(1, "executing program\n", 18 [pid 432] mount(NULL, "./config", "configfs", 0, NULL [pid 431] <... exit_group resumed>) = ? [pid 435] <... write resumed>) = 18 [pid 433] <... close resumed>) = 0 [pid 432] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 434] write(3, "1000", 4) = 4 [pid 431] +++ exited with 0 +++ [pid 432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 435] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 434] close(3) = 0 [pid 434] write(1, "executing program\n", 18) = 18 executing program [pid 434] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 434] mount(NULL, "./config", "configfs", 0, NULL [pid 432] <... mkdirat resumed>) = 0 [pid 435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 433] write(1, "executing program\n", 18 [pid 434] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 434] rmdir("./config/usb_gadget/g1" executing program [pid 435] mount(NULL, "./config", "configfs", 0, NULL [pid 433] <... write resumed>) = 18 [pid 432] rmdir("./config/usb_gadget/g1" [pid 434] <... rmdir resumed>) = 0 [pid 432] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 432] exit_group(0) = ? [pid 435] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 433] mkdirat(AT_FDCWD, "./config", 0777 [pid 435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 432] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 434] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 434] exit_group(0) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 436 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] mount(NULL, "./config", "configfs", 0, NULL [pid 434] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x555579e166a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 436] setpgid(0, 0) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 435] <... mkdirat resumed>) = 0 [pid 433] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 435] rmdir("./config/usb_gadget/g1" [pid 436] <... openat resumed>) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] write(1, "executing program\n", 18) = 18 executing program [pid 436] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 436] mount(NULL, "./config", "configfs", 0, NULL [pid 433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 436] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 435] <... rmdir resumed>) = 0 [pid 436] <... mkdirat resumed>) = 0 [pid 436] rmdir("./config/usb_gadget/g1") = 0 [pid 435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 436] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 433] <... mkdirat resumed>) = 0 [pid 433] rmdir("./config/usb_gadget/g1") = 0 [pid 433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 438 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x555579e166a0, 24) = 0 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 439 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 437 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 440 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 437] <... prctl resumed>) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 441 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] <... openat resumed>) = 3 [pid 437] write(3, "1000", 4) = 4 ci2-android-5-15/strace-static-x86_64: Process 440 attached ci2-android-5-15/strace-static-x86_64: Process 439 attached ci2-android-5-15/strace-static-x86_64: Process 438 attached [pid 437] close(3) = 0 [pid 437] write(1, "executing program\n", 18 executing program [pid 440] set_robust_list(0x555579e166a0, 24 [pid 437] <... write resumed>) = 18 [pid 437] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 440] <... set_robust_list resumed>) = 0 [pid 439] set_robust_list(0x555579e166a0, 24 [pid 437] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] <... set_robust_list resumed>) = 0 [pid 438] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 441 attached [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 439] rt_sigprocmask(SIG_SETMASK, [] [pid 438] <... set_robust_list resumed>) = 0 [pid 437] <... mkdirat resumed>) = 0 [pid 437] rmdir("./config/usb_gadget/g1") = 0 [pid 437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 440] <... prctl resumed>) = 0 [pid 439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 440] setpgid(0, 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [] [pid 441] set_robust_list(0x555579e166a0, 24 [pid 440] <... setpgid resumed>) = 0 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 439] <... prctl resumed>) = 0 [pid 441] <... set_robust_list resumed>) = 0 [pid 438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 437] exit_group(0 [pid 439] setpgid(0, 0 [ 28.134568][ T424] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.134568][ T424] 7) [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 440] <... openat resumed>) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 439] <... setpgid resumed>) = 0 [pid 440] write(1, "executing program\n", 18) = 18 executing program [pid 440] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 440] mount(NULL, "./config", "configfs", 0, NULL [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 438] <... prctl resumed>) = 0 [pid 440] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 440] rmdir("./config/usb_gadget/g1") = 0 [pid 440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ [pid 439] <... openat resumed>) = 3 [pid 438] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 439] write(3, "1000", 4 [pid 438] <... setpgid resumed>) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [] [pid 439] <... write resumed>) = 4 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 437] <... exit_group resumed>) = ? [pid 441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 439] close(3 [pid 438] <... openat resumed>) = 3 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4 [pid 437] +++ exited with 0 +++ [pid 439] <... close resumed>) = 0 [pid 438] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 441] <... write resumed>) = 4 [pid 439] write(1, "executing program\n", 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 438] <... write resumed>) = 4 [pid 439] <... write resumed>) = 18 [pid 441] close(3) = 0 [pid 439] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 438] close(3 [pid 441] write(1, "executing program\n", 18) = 18 [pid 441] mkdirat(AT_FDCWD, "./config", 0777 [pid 439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 438] <... close resumed>) = 0 executing program [pid 439] mount(NULL, "./config", "configfs", 0, NULL [pid 441] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 441] mount(NULL, "./config", "configfs", 0, NULL [pid 439] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 438] write(1, "executing program\n", 18 [pid 439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 441] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 438] <... write resumed>) = 18 [pid 438] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 438] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 438] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 441] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 439] <... mkdirat resumed>) = 0 [pid 438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 439] rmdir("./config/usb_gadget/g1" [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 439] <... rmdir resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 438] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 442 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 443 [pid 439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 439] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 443 attached ) = ? ci2-android-5-15/strace-static-x86_64: Process 442 attached [pid 443] set_robust_list(0x555579e166a0, 24 [pid 441] rmdir("./config/usb_gadget/g1" [pid 443] <... set_robust_list resumed>) = 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] +++ exited with 0 +++ [pid 442] set_robust_list(0x555579e166a0, 24 [pid 441] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 443] <... prctl resumed>) = 0 [pid 442] <... set_robust_list resumed>) = 0 [pid 441] exit_group(0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] write(1, "executing program\n", 18) = 18 executing program [pid 443] mkdirat(AT_FDCWD, "./config", 0777 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 441] <... exit_group resumed>) = ? [pid 443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 443] mount(NULL, "./config", "configfs", 0, NULL [pid 442] <... prctl resumed>) = 0 [pid 443] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 442] setpgid(0, 0 [pid 441] +++ exited with 0 +++ [pid 443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 442] <... setpgid resumed>) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 443] <... mkdirat resumed>) = 0 [pid 443] rmdir("./config/usb_gadget/g1") = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 443] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 442] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 442] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 443] exit_group(0 [pid 442] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 444 attached [pid 443] <... exit_group resumed>) = ? [pid 442] close(3 [pid 444] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 444 [pid 444] <... set_robust_list resumed>) = 0 [pid 442] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 444] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] +++ exited with 0 +++ [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 442] write(1, "executing program\n", 18 [pid 444] <... prctl resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 442] <... write resumed>) = 18 executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 444] setpgid(0, 0) = 0 [pid 442] mkdirat(AT_FDCWD, "./config", 0777 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 442] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 442] mount(NULL, "./config", "configfs", 0, NULL [pid 444] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 442] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 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 442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] write(1, "executing program\n", 18) = 18 [pid 444] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 444] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 445 [pid 444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 446 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 445 attached , NULL, 8) = 0 [pid 445] set_robust_list(0x555579e166a0, 24) = 0 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3 [pid 304] <... restart_syscall resumed>) = 0 [pid 445] <... close resumed>) = 0 [pid 445] write(1, "executing program\n", 18) = 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 445] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 442] <... mkdirat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 444] rmdir("./config/usb_gadget/g1") = 0 [pid 444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 444] exit_group(0) = ? executing program executing program ci2-android-5-15/strace-static-x86_64: Process 446 attached [pid 444] +++ exited with 0 +++ [pid 442] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 447 [pid 446] set_robust_list(0x555579e166a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 442] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 445] mount(NULL, "./config", "configfs", 0, NULL [pid 442] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 445] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 446] <... set_robust_list resumed>) = 0 [pid 445] <... mkdirat resumed>) = 0 [pid 442] exit_group(0 [pid 445] rmdir("./config/usb_gadget/g1" [pid 446] rt_sigprocmask(SIG_SETMASK, [] [pid 442] <... exit_group resumed>) = ? [pid 446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] +++ exited with 0 +++ [pid 445] <... rmdir resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 445] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 445] exit_group(0) = ? [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 445] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 447 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 447] set_robust_list(0x555579e166a0, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 447] <... set_robust_list resumed>) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 446] <... prctl resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 447] <... openat resumed>) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 447] close(3 [pid 446] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 447] <... close resumed>) = 0 [pid 446] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 447] write(1, "executing program\n", 18) = 18 [pid 447] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 447] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 448 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 447] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 446] <... openat resumed>) = 3 [pid 447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 446] write(3, "1000", 4 [pid 447] <... mkdirat resumed>) = 0 [pid 446] <... write resumed>) = 4 [pid 447] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 447] exit_group(0) = ? [pid 447] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 446] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, 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 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x555579e166a0, 24) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 446] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 449 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 446] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 446] <... write resumed>) = 18 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 450 [pid 446] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 446] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 448] <... openat resumed>) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] write(1, "executing program\n", 18) = 18 [pid 448] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 448] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 451 [pid 448] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 449 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 448] <... rmdir resumed>) = 0 [pid 448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 448] exit_group(0) = ? [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 446] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 448] +++ exited with 0 +++ [pid 446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 449] set_robust_list(0x555579e166a0, 24) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 446] <... mkdirat resumed>) = 0 executing program [pid 449] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x555579e166a0, 24 [pid 446] rmdir("./config/usb_gadget/g1" [pid 450] <... set_robust_list resumed>) = 0 [pid 449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 450] <... write resumed>) = 4 [pid 450] close(3) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 451 attached [pid 449] <... mkdirat resumed>) = 0 [pid 446] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 451] set_robust_list(0x555579e166a0, 24 [pid 450] write(1, "executing program\n", 18 [pid 449] rmdir("./config/usb_gadget/g1" [pid 450] <... write resumed>) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 452 attached [pid 451] <... set_robust_list resumed>) = 0 [pid 450] mkdirat(AT_FDCWD, "./config", 0777 [pid 449] <... rmdir resumed>) = 0 [pid 446] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 452] set_robust_list(0x555579e166a0, 24 [pid 451] rt_sigprocmask(SIG_SETMASK, [] [pid 446] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 452 [pid 452] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 446] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 452] rt_sigprocmask(SIG_SETMASK, [] [pid 451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 451] <... prctl resumed>) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 446] +++ exited with 0 +++ [pid 451] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 451] <... setpgid resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 452] <... prctl resumed>) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 451] <... openat resumed>) = 3 [pid 450] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 452] <... openat resumed>) = 3 [pid 451] write(3, "1000", 4 [pid 450] mount(NULL, "./config", "configfs", 0, NULL [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] write(1, "executing program\n", 18) = 18 [pid 452] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 450] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 452] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 451] <... write resumed>) = 4 [pid 450] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 449] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 451] close(3 [pid 450] rmdir("./config/usb_gadget/g1" [pid 449] exit_group(0 [pid 452] rmdir("./config/usb_gadget/g1" [pid 451] <... close resumed>) = 0 [pid 449] <... exit_group resumed>) = ? [pid 450] <... rmdir resumed>) = 0 [pid 450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 451] write(1, "executing program\n", 18 [pid 450] exit_group(0) = ? [pid 452] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 451] <... write resumed>) = 18 executing program [pid 449] +++ exited with 0 +++ [pid 452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 451] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 452] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 452] exit_group(0 [pid 451] mount(NULL, "./config", "configfs", 0, NULL [pid 450] +++ exited with 0 +++ [pid 451] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 452] <... exit_group resumed>) = ? [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 452] +++ exited with 0 +++ [pid 451] <... mkdirat resumed>) = 0 [pid 451] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 451] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 451] exit_group(0) = ? [pid 451] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall 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 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] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 453 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 454 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x555579e166a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 455 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 456 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 454] <... prctl resumed>) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 457 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 454] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] write(1, "executing program\n", 18) = 18 [pid 454] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 454] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 457 attached ci2-android-5-15/strace-static-x86_64: Process 455 attached ci2-android-5-15/strace-static-x86_64: Process 453 attached [pid 454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 457] set_robust_list(0x555579e166a0, 24 [pid 455] set_robust_list(0x555579e166a0, 24 [pid 453] set_robust_list(0x555579e166a0, 24 [pid 454] <... mkdirat resumed>) = 0 [pid 454] rmdir("./config/usb_gadget/g1" [pid 457] <... set_robust_list resumed>) = 0 [pid 455] <... set_robust_list resumed>) = 0 [pid 453] <... set_robust_list resumed>) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [] [pid 455] rt_sigprocmask(SIG_SETMASK, [] [pid 457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 453] rt_sigprocmask(SIG_SETMASK, [] [pid 454] <... rmdir resumed>) = 0 [pid 454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 457] <... prctl resumed>) = 0 [pid 454] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 457] setpgid(0, 0 [pid 455] <... prctl resumed>) = 0 [pid 454] exit_group(0 [pid 453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 457] <... setpgid resumed>) = 0 [pid 454] <... exit_group resumed>) = ? [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 455] setpgid(0, 0 [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 457] <... openat resumed>) = 3 [pid 455] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x555579e166a0, 24 [pid 457] write(3, "1000", 4 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 453] <... prctl resumed>) = 0 [pid 456] <... set_robust_list resumed>) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] <... openat resumed>) = 3 [pid 457] <... write resumed>) = 4 [pid 456] setpgid(0, 0) = 0 [pid 457] close(3 [pid 455] write(3, "1000", 4 [pid 453] setpgid(0, 0 [pid 457] <... close resumed>) = 0 [pid 457] write(1, "executing program\n", 18 [pid 455] <... write resumed>) = 4 executing program [pid 457] <... write resumed>) = 18 [pid 453] <... setpgid resumed>) = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] mkdirat(AT_FDCWD, "./config", 0777 [pid 455] close(3 [pid 454] +++ exited with 0 +++ [pid 457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 455] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 456] write(3, "1000", 4) = 4 [pid 457] mount(NULL, "./config", "configfs", 0, NULL [pid 456] close(3 [pid 455] write(1, "executing program\n", 18 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 457] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 455] <... write resumed>) = 18 [pid 456] <... close resumed>) = 0 [pid 453] <... openat resumed>) = 3 executing program [pid 457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 456] write(1, "executing program\n", 18 [pid 455] mkdirat(AT_FDCWD, "./config", 0777 [pid 453] write(3, "1000", 4 [pid 456] <... write resumed>) = 18 [pid 456] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 456] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 457] <... mkdirat resumed>) = 0 [pid 455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 453] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 455] mount(NULL, "./config", "configfs", 0, NULL [pid 457] rmdir("./config/usb_gadget/g1" [pid 453] close(3 [pid 455] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 457] <... rmdir resumed>) = 0 [pid 455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 453] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 458 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 458 attached [pid 458] set_robust_list(0x555579e166a0, 24) = 0 [pid 458] rt_sigprocmask(SIG_SETMASK, [] [pid 457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 455] <... mkdirat resumed>) = 0 [pid 453] write(1, "executing program\n", 18 [pid 456] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 456] rmdir("./config/usb_gadget/g1") = 0 [pid 455] rmdir("./config/usb_gadget/g1" [pid 453] <... write resumed>) = 18 [pid 456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 456] exit_group(0) = ? [pid 456] +++ exited with 0 +++ [pid 455] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 453] mkdirat(AT_FDCWD, "./config", 0777 [pid 457] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 457] exit_group(0 [pid 455] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 457] <... exit_group resumed>) = ? [pid 457] +++ exited with 0 +++ [pid 455] exit_group(0 [pid 453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 455] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] +++ exited with 0 +++ [pid 458] write(3, "1000", 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 458] <... write resumed>) = 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 458] close(3) = 0 [pid 458] write(1, "executing program\n", 18) = 18 executing program [pid 458] mkdirat(AT_FDCWD, "./config", 0777 [pid 453] mount(NULL, "./config", "configfs", 0, NULL [pid 458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 458] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 453] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 458] rmdir("./config/usb_gadget/g1") = 0 [pid 458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 458] exit_group(0) = ? [pid 458] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 453] <... mkdirat resumed>) = 0 [pid 453] rmdir("./config/usb_gadget/g1") = 0 [pid 453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 453] exit_group(0) = ? [pid 307] <... 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 453] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 459 ci2-android-5-15/strace-static-x86_64: Process 459 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 459] set_robust_list(0x555579e166a0, 24 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 459] <... set_robust_list resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 460 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 461 ci2-android-5-15/strace-static-x86_64: Process 462 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 462 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 461 attached [pid 462] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 460 attached [pid 462] <... set_robust_list resumed>) = 0 [pid 461] set_robust_list(0x555579e166a0, 24 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [] [pid 461] <... set_robust_list resumed>) = 0 [pid 462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 460] set_robust_list(0x555579e166a0, 24 [pid 461] rt_sigprocmask(SIG_SETMASK, [] [pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 459] write(3, "1000", 4 [pid 460] <... set_robust_list resumed>) = 0 [pid 462] <... prctl resumed>) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 459] <... write resumed>) = 4 [pid 462] setpgid(0, 0 [pid 461] <... prctl resumed>) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [] [pid 459] close(3 [pid 462] <... setpgid resumed>) = 0 [pid 461] setpgid(0, 0 [pid 460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 459] <... close resumed>) = 0 [pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 461] <... setpgid resumed>) = 0 [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 459] write(1, "executing program\n", 18 [pid 462] <... openat resumed>) = 3 executing program [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 460] <... prctl resumed>) = 0 [pid 459] <... write resumed>) = 18 [pid 462] write(3, "1000", 4) = 4 [pid 462] close(3) = 0 [pid 462] write(1, "executing program\n", 18) = 18 executing program [pid 462] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 461] <... openat resumed>) = 3 [pid 460] setpgid(0, 0 [pid 459] mkdirat(AT_FDCWD, "./config", 0777 [pid 461] write(3, "1000", 4 [pid 462] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 461] <... write resumed>) = 4 [pid 460] <... setpgid resumed>) = 0 [pid 459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 461] close(3 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 459] mount(NULL, "./config", "configfs", 0, NULL [pid 462] rmdir("./config/usb_gadget/g1") = 0 [pid 462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 462] exit_group(0 [pid 461] <... close resumed>) = 0 [pid 462] <... exit_group resumed>) = ? [pid 459] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 461] write(1, "executing program\n", 18 [pid 462] +++ exited with 0 +++ [pid 461] <... write resumed>) = 18 [pid 460] <... openat resumed>) = 3 [pid 459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 461] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] write(1, "executing program\n", 18) = 18 [pid 460] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 460] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 461] mount(NULL, "./config", "configfs", 0, NULL [pid 460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 459] <... mkdirat resumed>) = 0 [pid 461] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 460] rmdir("./config/usb_gadget/g1" [pid 459] rmdir("./config/usb_gadget/g1" [pid 461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 460] <... rmdir resumed>) = 0 [pid 459] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... restart_syscall resumed>) = 0 [pid 461] rmdir("./config/usb_gadget/g1" [pid 460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 461] <... rmdir resumed>) = 0 [pid 460] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 459] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 460] exit_group(0 [pid 459] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 461] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 460] <... exit_group resumed>) = ? [pid 459] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 463 attached [pid 461] exit_group(0 [pid 460] +++ exited with 0 +++ [pid 459] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 463 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 461] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 461] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 463] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 464 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 465 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 464] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 463] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 465 attached [pid 465] set_robust_list(0x555579e166a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 465] setpgid(0, 0) = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 463] rt_sigprocmask(SIG_SETMASK, [] [pid 465] <... openat resumed>) = 3 [pid 465] write(3, "1000", 4) = 4 [pid 465] close(3) = 0 [pid 464] <... openat resumed>) = 3 [pid 463] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 465] write(1, "executing program\n", 18) = 18 executing program [pid 465] mkdirat(AT_FDCWD, "./config", 0777 [pid 464] write(3, "1000", 4 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] 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 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 465] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 466 [pid 465] <... mkdirat resumed>) = 0 [pid 465] rmdir("./config/usb_gadget/g1") = 0 [pid 465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 465] exit_group(0) = ? [pid 465] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 467 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 467 attached ) = 0 [pid 464] <... write resumed>) = 4 [pid 463] <... prctl resumed>) = 0 [pid 466] rt_sigprocmask(SIG_SETMASK, [] [pid 467] set_robust_list(0x555579e166a0, 24 [pid 464] close(3 [pid 463] setpgid(0, 0 [pid 466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 467] <... set_robust_list resumed>) = 0 [pid 464] <... close resumed>) = 0 [pid 463] <... setpgid resumed>) = 0 [pid 466] <... openat resumed>) = 3 [pid 466] write(3, "1000", 4 [pid 464] write(1, "executing program\n", 18 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 467] rt_sigprocmask(SIG_SETMASK, [] [pid 466] <... write resumed>) = 4 [pid 466] close(3 [pid 464] <... write resumed>) = 18 executing program [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 463] <... openat resumed>) = 3 [pid 466] <... close resumed>) = 0 [pid 466] write(1, "executing program\n", 18) = 18 executing program [pid 466] mkdirat(AT_FDCWD, "./config", 0777 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 464] mkdirat(AT_FDCWD, "./config", 0777 [pid 463] write(3, "1000", 4 [pid 466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 464] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 463] <... write resumed>) = 4 [pid 463] close(3) = 0 [pid 463] write(1, "executing program\n", 18 [pid 464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 463] <... write resumed>) = 18 executing program [pid 467] <... prctl resumed>) = 0 [pid 466] mount(NULL, "./config", "configfs", 0, NULL [pid 464] <... mkdirat resumed>) = 0 [pid 463] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 463] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 467] setpgid(0, 0 [pid 463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 467] <... setpgid resumed>) = 0 [pid 463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 463] rmdir("./config/usb_gadget/g1") = 0 [pid 467] <... openat resumed>) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3 [pid 464] rmdir("./config/usb_gadget/g1" [pid 467] <... close resumed>) = 0 [pid 464] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 467] write(1, "executing program\n", 18) = 18 [pid 466] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 467] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 467] mount(NULL, "./config", "configfs", 0, NULL [pid 464] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 463] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 467] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 464] exit_group(0 [pid 467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 464] <... exit_group resumed>) = ? [pid 463] exit_group(0 [pid 306] <... restart_syscall 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=0x555579e16690) = 468 [pid 463] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] <... mkdirat resumed>) = 0 [pid 467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 467] rmdir("./config/usb_gadget/g1") = 0 [pid 464] +++ exited with 0 +++ [pid 463] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 467] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 468 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 466] rmdir("./config/usb_gadget/g1" [pid 467] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 468] set_robust_list(0x555579e166a0, 24) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4 [pid 467] +++ exited with 0 +++ [pid 468] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 466] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 468] close(3) = 0 [pid 468] write(1, "executing program\n", 18) = 18 executing program [pid 466] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 468] mkdirat(AT_FDCWD, "./config", 0777 [pid 466] exit_group(0) = ? [pid 468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 468] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 466] +++ exited with 0 +++ [pid 468] rmdir("./config/usb_gadget/g1") = 0 [pid 468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 468] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 468] <... exit_group resumed>) = ? [pid 468] +++ exited with 0 +++ [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... 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] <... restart_syscall 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 304] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 469 ci2-android-5-15/strace-static-x86_64: Process 470 attached ci2-android-5-15/strace-static-x86_64: Process 469 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 470 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 469] set_robust_list(0x555579e166a0, 24 [pid 470] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 470] <... set_robust_list resumed>) = 0 [pid 469] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 470] rt_sigprocmask(SIG_SETMASK, [] [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 471 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 469] <... prctl resumed>) = 0 [pid 470] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 471 attached ci2-android-5-15/strace-static-x86_64: Process 472 attached [pid 470] setpgid(0, 0 [pid 469] setpgid(0, 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 472] set_robust_list(0x555579e166a0, 24 [pid 471] set_robust_list(0x555579e166a0, 24 [pid 470] <... setpgid resumed>) = 0 [pid 469] <... setpgid resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 472 ci2-android-5-15/strace-static-x86_64: Process 473 attached [pid 472] <... set_robust_list resumed>) = 0 [pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 473] set_robust_list(0x555579e166a0, 24 [pid 472] rt_sigprocmask(SIG_SETMASK, [] [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 473 [pid 473] <... set_robust_list resumed>) = 0 [pid 472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 469] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 473] rt_sigprocmask(SIG_SETMASK, [] [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 471] <... set_robust_list resumed>) = 0 [pid 470] <... openat resumed>) = 3 [pid 469] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 472] <... prctl resumed>) = 0 [pid 470] write(3, "1000", 4 [pid 469] <... write resumed>) = 4 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 472] setpgid(0, 0 [pid 470] <... write resumed>) = 4 [pid 469] close(3 [pid 473] <... prctl resumed>) = 0 [pid 472] <... setpgid resumed>) = 0 [pid 473] setpgid(0, 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 470] close(3 [pid 469] <... close resumed>) = 0 [pid 473] <... setpgid resumed>) = 0 [pid 472] <... openat resumed>) = 3 [pid 470] <... close resumed>) = 0 [pid 469] write(1, "executing program\n", 18 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 472] write(3, "1000", 4 executing program [pid 470] write(1, "executing program\n", 18 [pid 469] <... write resumed>) = 18 [pid 473] <... openat resumed>) = 3 [pid 472] <... write resumed>) = 4 [pid 471] rt_sigprocmask(SIG_SETMASK, [] [pid 470] <... write resumed>) = 18 executing program [pid 469] mkdirat(AT_FDCWD, "./config", 0777 [pid 472] close(3 [pid 471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 470] mkdirat(AT_FDCWD, "./config", 0777 [pid 469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 473] write(3, "1000", 4 [pid 472] <... close resumed>) = 0 [pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 469] mount(NULL, "./config", "configfs", 0, NULL [pid 472] write(1, "executing program\n", 18 [pid 471] <... prctl resumed>) = 0 executing program [pid 470] mount(NULL, "./config", "configfs", 0, NULL [pid 469] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 473] <... write resumed>) = 4 [pid 472] <... write resumed>) = 18 [pid 470] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 473] close(3 [pid 472] mkdirat(AT_FDCWD, "./config", 0777 [pid 471] setpgid(0, 0 [pid 469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 473] <... close resumed>) = 0 [pid 472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 473] write(1, "executing program\n", 18 [pid 472] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 471] <... setpgid resumed>) = 0 [pid 470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 469] <... mkdirat resumed>) = 0 [pid 473] <... write resumed>) = 18 executing program [pid 472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 470] rmdir("./config/usb_gadget/g1" [pid 469] rmdir("./config/usb_gadget/g1" [pid 473] mkdirat(AT_FDCWD, "./config", 0777 [pid 472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 472] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 471] <... openat resumed>) = 3 [pid 470] <... rmdir resumed>) = 0 [pid 469] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 471] write(3, "1000", 4 [pid 470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 473] mount(NULL, "./config", "configfs", 0, NULL [pid 472] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 471] <... write resumed>) = 4 [pid 470] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 469] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 473] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 472] exit_group(0 [pid 471] close(3 [pid 470] exit_group(0 [pid 469] exit_group(0 [pid 473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 472] <... exit_group resumed>) = ? [pid 471] <... close resumed>) = 0 [pid 470] <... exit_group resumed>) = ? [pid 469] <... exit_group resumed>) = ? [pid 472] +++ exited with 0 +++ [pid 471] write(1, "executing program\n", 18 [pid 470] +++ exited with 0 +++ [pid 469] +++ exited with 0 +++ [pid 471] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 471] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 471] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 471] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 473] <... mkdirat resumed>) = 0 [pid 471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 473] rmdir("./config/usb_gadget/g1" [pid 471] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 474 [pid 471] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 471] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 471] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 471] <... exit_group resumed>) = ? [pid 473] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 471] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 475 [pid 473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 473] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 474 attached [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 474] set_robust_list(0x555579e166a0, 24) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 475 attached [pid 475] set_robust_list(0x555579e166a0, 24 [pid 473] exit_group(0 [pid 474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 473] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 476 [pid 475] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [] [pid 474] <... prctl resumed>) = 0 [pid 474] setpgid(0, 0 [pid 475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] <... setpgid resumed>) = 0 [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 473] +++ exited with 0 +++ [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 475] <... prctl resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 475] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 476 attached [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 476] set_robust_list(0x555579e166a0, 24) = 0 [pid 475] <... openat resumed>) = 3 [pid 474] <... openat resumed>) = 3 [pid 475] write(3, "1000", 4 [pid 474] write(3, "1000", 4 [pid 475] <... write resumed>) = 4 [pid 474] <... write resumed>) = 4 [pid 475] close(3 [pid 474] close(3 [pid 475] <... close resumed>) = 0 [pid 474] <... close resumed>) = 0 [pid 474] write(1, "executing program\n", 18 [pid 475] write(1, "executing program\n", 18 executing program executing program [pid 474] <... write resumed>) = 18 [pid 475] <... write resumed>) = 18 [pid 474] mkdirat(AT_FDCWD, "./config", 0777 [pid 475] mkdirat(AT_FDCWD, "./config", 0777 [pid 474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 476] rt_sigprocmask(SIG_SETMASK, [] [pid 474] mount(NULL, "./config", "configfs", 0, NULL [pid 476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 475] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 474] <... mkdirat resumed>) = 0 [pid 475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 475] rmdir("./config/usb_gadget/g1") = 0 [pid 474] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 474] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 475] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 475] exit_group(0 [pid 474] exit_group(0) = ? [pid 475] <... exit_group resumed>) = ? [pid 476] setpgid(0, 0 [pid 474] +++ exited with 0 +++ [pid 476] <... setpgid resumed>) = 0 [pid 475] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 476] <... openat resumed>) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] write(1, "executing program\n", 18) = 18 executing program [pid 476] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 476] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 477 attached [pid 476] rmdir("./config/usb_gadget/g1" [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 477 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 478 attached [pid 477] set_robust_list(0x555579e166a0, 24 [pid 476] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 478 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 479 attached [pid 478] set_robust_list(0x555579e166a0, 24 [pid 477] <... set_robust_list resumed>) = 0 [pid 476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 479 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 480 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 476] exit_group(0 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 476] <... exit_group resumed>) = ? [pid 477] <... prctl resumed>) = 0 [pid 476] +++ exited with 0 +++ [pid 477] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 478] <... set_robust_list resumed>) = 0 [pid 477] <... setpgid resumed>) = 0 [pid 479] set_robust_list(0x555579e166a0, 24 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 478] rt_sigprocmask(SIG_SETMASK, [] [pid 477] <... openat resumed>) = 3 [pid 478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 479] <... set_robust_list resumed>) = 0 [pid 477] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 480 attached [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 477] <... write resumed>) = 4 [pid 478] <... prctl resumed>) = 0 [pid 477] close(3 [pid 478] setpgid(0, 0 [pid 479] rt_sigprocmask(SIG_SETMASK, [] [pid 477] <... close resumed>) = 0 [pid 478] <... setpgid resumed>) = 0 [pid 479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 477] write(1, "executing program\n", 18 [pid 480] set_robust_list(0x555579e166a0, 24 executing program [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 477] <... write resumed>) = 18 [pid 477] mkdirat(AT_FDCWD, "./config", 0777 [pid 478] <... openat resumed>) = 3 [pid 477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 478] write(3, "1000", 4 [pid 477] mount(NULL, "./config", "configfs", 0, NULL [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 478] <... write resumed>) = 4 [pid 477] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 480] <... set_robust_list resumed>) = 0 [pid 479] <... prctl resumed>) = 0 [pid 478] close(3 [pid 479] setpgid(0, 0 [pid 477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 480] rt_sigprocmask(SIG_SETMASK, [] [pid 479] <... setpgid resumed>) = 0 [pid 478] <... close resumed>) = 0 [pid 477] <... mkdirat resumed>) = 0 [pid 478] write(1, "executing program\n", 18 [pid 477] rmdir("./config/usb_gadget/g1" executing program [pid 478] <... write resumed>) = 18 [pid 480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 478] mkdirat(AT_FDCWD, "./config", 0777 [pid 477] <... rmdir resumed>) = 0 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 479] <... openat resumed>) = 3 [pid 478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 478] mount(NULL, "./config", "configfs", 0, NULL [pid 479] write(3, "1000", 4 [pid 477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 480] <... prctl resumed>) = 0 [pid 478] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 479] <... write resumed>) = 4 [pid 477] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... restart_syscall resumed>) = 0 [pid 478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 477] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 478] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 481 [pid 480] setpgid(0, 0 [pid 479] close(3 [pid 478] rmdir("./config/usb_gadget/g1" [pid 477] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x555579e166a0, 24) = 0 [pid 478] <... rmdir resumed>) = 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0 [pid 477] +++ exited with 0 +++ [pid 481] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 478] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 479] <... close resumed>) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 478] exit_group(0 [pid 479] write(1, "executing program\n", 18 [pid 481] <... openat resumed>) = 3 [pid 481] write(3, "1000", 4 [pid 478] <... exit_group resumed>) = ? executing program [pid 479] <... write resumed>) = 18 [pid 481] <... write resumed>) = 4 [pid 481] close(3) = 0 [pid 481] write(1, "executing program\n", 18) = 18 executing program [pid 481] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 481] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 478] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 479] mkdirat(AT_FDCWD, "./config", 0777 [pid 480] <... setpgid resumed>) = 0 [pid 479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 481] <... mkdirat resumed>) = 0 [pid 481] rmdir("./config/usb_gadget/g1" [pid 479] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 481] <... rmdir resumed>) = 0 [pid 481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 481] exit_group(0) = ? [pid 480] <... openat resumed>) = 3 [pid 479] <... mkdirat resumed>) = 0 [pid 480] write(3, "1000", 4 [pid 479] rmdir("./config/usb_gadget/g1" [pid 481] +++ exited with 0 +++ [pid 479] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 480] <... write resumed>) = 4 [pid 479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 480] close(3 [pid 479] exit_group(0) = ? [pid 480] <... close resumed>) = 0 [pid 479] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 480] write(1, "executing program\n", 18) = 18 [pid 480] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 480] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall 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 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 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 482 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 483 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] 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 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 484 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 485 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 483] <... openat resumed>) = 3 executing program [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] write(1, "executing program\n", 18) = 18 [pid 483] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 483] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 480] <... mkdirat resumed>) = 0 [pid 483] rmdir("./config/usb_gadget/g1" [pid 480] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 482 attached [pid 483] <... rmdir resumed>) = 0 [pid 482] set_robust_list(0x555579e166a0, 24) = 0 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 482] <... openat resumed>) = 3 [pid 483] exit_group(0) = ? [pid 482] write(3, "1000", 4) = 4 ci2-android-5-15/strace-static-x86_64: Process 485 attached [pid 480] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 482] close(3) = 0 executing program [pid 482] write(1, "executing program\n", 18) = 18 [pid 482] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 482] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 485] set_robust_list(0x555579e166a0, 24 [pid 483] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 482] <... mkdirat resumed>) = 0 [pid 482] rmdir("./config/usb_gadget/g1" [pid 485] <... set_robust_list resumed>) = 0 [pid 482] <... rmdir resumed>) = 0 [pid 482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 480] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 485] rt_sigprocmask(SIG_SETMASK, [] [pid 482] exit_group(0) = ? [pid 480] exit_group(0 [pid 485] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x555579e166a0, 24) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [] [pid 480] <... exit_group resumed>) = ? [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 482] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 480] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 484] <... openat resumed>) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3) = 0 [pid 484] write(1, "executing program\n", 18 [pid 485] <... prctl resumed>) = 0 [pid 484] <... write resumed>) = 18 [pid 484] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 484] mount(NULL, "./config", "configfs", 0, NULL [pid 485] setpgid(0, 0 [pid 484] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 485] <... setpgid resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 485] <... openat resumed>) = 3 [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 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-5-15/strace-static-x86_64: Process 486 attached [pid 485] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 487 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 488 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 486 [pid 485] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 485] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 485] <... close resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 485] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 488 attached [pid 486] set_robust_list(0x555579e166a0, 24 [pid 485] <... write resumed>) = 18 [pid 484] <... mkdirat resumed>) = 0 [pid 485] mkdirat(AT_FDCWD, "./config", 0777 [pid 484] rmdir("./config/usb_gadget/g1" [pid 485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 486] <... set_robust_list resumed>) = 0 [pid 485] mount(NULL, "./config", "configfs", 0, NULL [pid 488] set_robust_list(0x555579e166a0, 24 [pid 486] rt_sigprocmask(SIG_SETMASK, [] [pid 485] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 484] <... rmdir resumed>) = 0 [pid 484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 484] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 484] exit_group(0) = ? [pid 485] <... mkdirat resumed>) = 0 [pid 484] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 487 attached [pid 487] set_robust_list(0x555579e166a0, 24) = 0 [pid 487] rt_sigprocmask(SIG_SETMASK, [] [pid 488] <... set_robust_list resumed>) = 0 [pid 486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 485] rmdir("./config/usb_gadget/g1" [pid 487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 487] setpgid(0, 0) = 0 [pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 485] <... rmdir resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 487] <... openat resumed>) = 3 [pid 487] write(3, "1000", 4 [pid 485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 487] <... write resumed>) = 4 [pid 487] close(3) = 0 [pid 487] write(1, "executing program\n", 18) = 18 executing program [pid 487] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 487] mount(NULL, "./config", "configfs", 0, NULL [pid 485] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 487] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 485] exit_group(0 [pid 486] <... prctl resumed>) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [] [pid 486] setpgid(0, 0 [pid 485] <... exit_group resumed>) = ? [pid 487] <... mkdirat resumed>) = 0 [pid 487] rmdir("./config/usb_gadget/g1" [pid 488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 486] <... setpgid resumed>) = 0 [pid 485] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 487] <... rmdir resumed>) = 0 [pid 487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 487] exit_group(0) = ? [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 487] +++ exited with 0 +++ [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 486] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 488] <... prctl resumed>) = 0 [pid 486] write(3, "1000", 4 [pid 488] setpgid(0, 0 [pid 486] <... write resumed>) = 4 [pid 488] <... setpgid resumed>) = 0 [pid 486] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 486] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 486] <... 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 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 486] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 489 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 489 [pid 489] set_robust_list(0x555579e166a0, 24 [pid 488] <... openat resumed>) = 3 [pid 486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 488] write(3, "1000", 4 [pid 486] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 488] <... write resumed>) = 4 [pid 486] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 488] close(3 [pid 486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 488] <... close resumed>) = 0 [pid 486] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 488] write(1, "executing program\n", 18 [pid 486] rmdir("./config/usb_gadget/g1" [pid 488] <... write resumed>) = 18 [pid 486] <... rmdir resumed>) = 0 [pid 488] mkdirat(AT_FDCWD, "./config", 0777 [pid 486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 486] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 488] mount(NULL, "./config", "configfs", 0, NULL [pid 486] exit_group(0 [pid 488] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 486] <... exit_group resumed>) = ? [pid 488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 486] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 490 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 491 executing program [pid 488] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 488] rmdir("./config/usb_gadget/g1") = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 488] exit_group(0) = ? [pid 488] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x555579e166a0, 24) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 489] <... set_robust_list resumed>) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] write(1, "executing program\n", 18) = 18 executing program [pid 491] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 491] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 489] rt_sigprocmask(SIG_SETMASK, [] [pid 491] <... mkdirat resumed>) = 0 [pid 491] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 490 attached [pid 489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 491] <... rmdir resumed>) = 0 [pid 491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 491] exit_group(0) = ? [pid 491] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, 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-5-15/strace-static-x86_64: Process 492 attached [pid 490] set_robust_list(0x555579e166a0, 24 [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 492] set_robust_list(0x555579e166a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 492 ci2-android-5-15/strace-static-x86_64: Process 493 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 493 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] <... prctl resumed>) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 493] set_robust_list(0x555579e166a0, 24 [pid 492] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 489] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 [pid 489] write(1, "executing program\n", 18) = 18 executing program [pid 489] mkdirat(AT_FDCWD, "./config", 0777 [pid 493] <... set_robust_list resumed>) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [] [pid 489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 489] mount(NULL, "./config", "configfs", 0, NULL [pid 492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 489] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 493] rt_sigprocmask(SIG_SETMASK, [] [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 489] <... mkdirat resumed>) = 0 [pid 489] rmdir("./config/usb_gadget/g1" [pid 490] <... set_robust_list resumed>) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [] [pid 489] <... rmdir resumed>) = 0 [pid 489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 489] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 494 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 494 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] set_robust_list(0x555579e166a0, 24 [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 492] setpgid(0, 0 [pid 489] +++ exited with 0 +++ [pid 490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 494] <... set_robust_list resumed>) = 0 [pid 493] <... prctl resumed>) = 0 [pid 492] <... setpgid resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 493] setpgid(0, 0 [pid 492] <... openat resumed>) = 3 [pid 493] <... setpgid resumed>) = 0 [pid 492] write(3, "1000", 4) = 4 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 492] close(3 [pid 494] rt_sigprocmask(SIG_SETMASK, [] [pid 490] <... openat resumed>) = 3 [pid 492] <... close resumed>) = 0 [pid 492] write(1, "executing program\n", 18 [pid 494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 493] <... openat resumed>) = 3 executing program [pid 490] write(3, "1000", 4 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 493] write(3, "1000", 4 [pid 492] <... write resumed>) = 18 [pid 490] <... write resumed>) = 4 [pid 492] mkdirat(AT_FDCWD, "./config", 0777 [pid 493] <... write resumed>) = 4 [pid 494] <... prctl resumed>) = 0 [pid 490] close(3 [pid 494] setpgid(0, 0 [pid 493] close(3 [pid 494] <... setpgid resumed>) = 0 [pid 493] <... close resumed>) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 493] write(1, "executing program\n", 18 [pid 494] <... openat resumed>) = 3 [pid 493] <... write resumed>) = 18 executing program [pid 492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 494] write(3, "1000", 4 [pid 493] mkdirat(AT_FDCWD, "./config", 0777 [pid 494] <... write resumed>) = 4 [pid 493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 492] mount(NULL, "./config", "configfs", 0, NULL [pid 490] <... close resumed>) = 0 [pid 494] close(3 [pid 493] mount(NULL, "./config", "configfs", 0, NULL [pid 494] <... close resumed>) = 0 [pid 493] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 494] write(1, "executing program\n", 18 executing program [pid 493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 492] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 490] write(1, "executing program\n", 18 [pid 494] <... write resumed>) = 18 [pid 493] <... mkdirat resumed>) = 0 [pid 493] rmdir("./config/usb_gadget/g1") = 0 [pid 493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 493] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 493] exit_group(0) = ? [pid 493] +++ exited with 0 +++ [pid 494] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 492] <... mkdirat resumed>) = 0 [pid 490] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 492] rmdir("./config/usb_gadget/g1" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x555579e166a0, 24) = 0 [pid 495] rt_sigprocmask(SIG_SETMASK, [] [pid 492] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 495 [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 495] <... prctl resumed>) = 0 [pid 492] exit_group(0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 492] <... exit_group resumed>) = ? [pid 494] mount(NULL, "./config", "configfs", 0, NULL [pid 490] mkdirat(AT_FDCWD, "./config", 0777 [pid 495] <... openat resumed>) = 3 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 [pid 495] write(1, "executing program\n", 18 [pid 492] +++ exited with 0 +++ [pid 495] <... write resumed>) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 495] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 495] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 494] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 490] mount(NULL, "./config", "configfs", 0, NULL [pid 495] <... mkdirat resumed>) = 0 [pid 495] rmdir("./config/usb_gadget/g1") = 0 [pid 494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 490] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 495] exit_group(0) = ? [pid 495] +++ exited with 0 +++ [pid 494] rmdir("./config/usb_gadget/g1" [pid 490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 494] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 494] exit_group(0 [pid 490] <... mkdirat resumed>) = 0 [pid 494] <... exit_group resumed>) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 494] +++ exited with 0 +++ [pid 490] rmdir("./config/usb_gadget/g1" [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 496 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 496 attached [pid 496] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 496] 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 496] <... openat resumed>) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 497 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 490] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 496] close(3) = 0 [pid 496] write(1, "executing program\n", 18) = 18 executing program [pid 490] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 496] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 490] exit_group(0 [pid 496] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 490] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 496] <... mkdirat resumed>) = 0 [pid 496] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 498 ci2-android-5-15/strace-static-x86_64: Process 497 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 499 [pid 496] <... rmdir resumed>) = 0 [pid 496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 496] exit_group(0) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 496] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 497] set_robust_list(0x555579e166a0, 24) = 0 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 490] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 498 attached ci2-android-5-15/strace-static-x86_64: Process 499 attached [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 499] set_robust_list(0x555579e166a0, 24 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 [pid 497] write(1, "executing program\n", 18 [pid 499] <... set_robust_list resumed>) = 0 [pid 498] set_robust_list(0x555579e166a0, 24 [pid 497] <... write resumed>) = 18 executing program [pid 497] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 497] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 499] rt_sigprocmask(SIG_SETMASK, [] [pid 498] <... set_robust_list resumed>) = 0 [pid 497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 498] rt_sigprocmask(SIG_SETMASK, [] [pid 497] <... mkdirat resumed>) = 0 [pid 497] rmdir("./config/usb_gadget/g1") = 0 [pid 497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 497] exit_group(0) = ? [pid 499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 499] <... prctl resumed>) = 0 [pid 497] +++ exited with 0 +++ [pid 498] <... prctl resumed>) = 0 [pid 499] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 499] <... setpgid resumed>) = 0 [pid 498] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 498] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 499] write(3, "1000", 4 [pid 498] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 500 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 500 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] set_robust_list(0x555579e166a0, 24 [pid 499] <... write resumed>) = 4 [pid 498] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 499] close(3 [pid 498] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 498] close(3 [pid 499] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 498] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 499] write(1, "executing program\n", 18) = 18 executing program [pid 498] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 498] <... write resumed>) = 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 501 ci2-android-5-15/strace-static-x86_64: Process 501 attached [pid 501] set_robust_list(0x555579e166a0, 24) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 502 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 499] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 498] mkdirat(AT_FDCWD, "./config", 0777 [pid 499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 498] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 500] <... set_robust_list resumed>) = 0 [pid 499] mount(NULL, "./config", "configfs", 0, NULL [pid 498] mount(NULL, "./config", "configfs", 0, NULL [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 499] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 501] write(1, "executing program\n", 18) = 18 [pid 501] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 501] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 502 attached [pid 502] set_robust_list(0x555579e166a0, 24) = 0 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] write(1, "executing program\n", 18) = 18 [pid 502] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 502] mount(NULL, "./config", "configfs", 0, NULL executing program executing program [pid 499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 498] <... mkdirat resumed>) = 0 [pid 499] rmdir("./config/usb_gadget/g1" [pid 501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 501] rmdir("./config/usb_gadget/g1" [pid 502] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 499] <... rmdir resumed>) = 0 [pid 498] rmdir("./config/usb_gadget/g1" [pid 501] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 501] exit_group(0 [pid 499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 498] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 499] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 501] <... exit_group resumed>) = ? [pid 499] exit_group(0) = ? [pid 498] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 499] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 498] exit_group(0) = ? [pid 501] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 500] rt_sigprocmask(SIG_SETMASK, [] [pid 498] +++ exited with 0 +++ [pid 502] <... mkdirat resumed>) = 0 [pid 502] rmdir("./config/usb_gadget/g1" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 502] <... rmdir resumed>) = 0 [pid 502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 502] exit_group(0) = ? [pid 500] <... prctl resumed>) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] +++ exited with 0 +++ [pid 500] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 500] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 500] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 500] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 500] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] <... write resumed>) = 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 503 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 503 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 503] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 504 [pid 500] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 500] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] mount(NULL, "./config", "configfs", 0, NULL [pid 503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 500] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 503] <... prctl resumed>) = 0 [pid 503] setpgid(0, 0 [pid 500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 503] <... setpgid resumed>) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 505 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 506 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 506 attached ci2-android-5-15/strace-static-x86_64: Process 505 attached [pid 500] <... mkdirat resumed>) = 0 [pid 503] <... openat resumed>) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] write(1, "executing program\n", 18) = 18 [pid 503] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 503] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 500] rmdir("./config/usb_gadget/g1" [pid 503] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 503] rmdir("./config/usb_gadget/g1") = 0 [pid 503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 506] set_robust_list(0x555579e166a0, 24 [pid 500] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 505] set_robust_list(0x555579e166a0, 24 [pid 503] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 503] exit_group(0) = ? [pid 506] <... set_robust_list resumed>) = 0 [pid 505] <... set_robust_list resumed>) = 0 [pid 500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 506] rt_sigprocmask(SIG_SETMASK, [] [pid 505] rt_sigprocmask(SIG_SETMASK, [] [pid 500] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 500] exit_group(0 [pid 506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] <... exit_group resumed>) = ? [pid 503] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 504 attached [pid 504] set_robust_list(0x555579e166a0, 24) = 0 [pid 500] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 504] <... prctl resumed>) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 506] <... prctl resumed>) = 0 [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 506] setpgid(0, 0) = 0 [pid 505] <... prctl resumed>) = 0 [pid 504] <... openat resumed>) = 3 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 505] setpgid(0, 0 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] write(1, "executing program\n", 18) = 18 executing program [pid 504] mkdirat(AT_FDCWD, "./config", 0777 [pid 506] <... openat resumed>) = 3 [pid 505] <... setpgid resumed>) = 0 [pid 504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 504] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 506] write(3, "1000", 4 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 506] <... write resumed>) = 4 [pid 506] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 506] <... close resumed>) = 0 [pid 506] write(1, "executing program\n", 18 [pid 505] <... openat resumed>) = 3 [pid 504] <... mkdirat resumed>) = 0 [pid 504] rmdir("./config/usb_gadget/g1" [pid 506] <... write resumed>) = 18 executing program [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 507 [pid 505] write(3, "1000", 4 [pid 506] mkdirat(AT_FDCWD, "./config", 0777 [pid 505] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 505] close(3 [pid 506] mount(NULL, "./config", "configfs", 0, NULL [pid 505] <... close resumed>) = 0 [pid 506] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 505] write(1, "executing program\n", 18 executing program [pid 506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 505] <... write resumed>) = 18 [pid 505] mkdirat(AT_FDCWD, "./config", 0777 [pid 504] <... rmdir resumed>) = 0 [pid 504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 506] <... mkdirat resumed>) = 0 [pid 505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 504] exit_group(0) = ? [pid 506] rmdir("./config/usb_gadget/g1" [pid 505] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 504] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 507 attached [pid 507] set_robust_list(0x555579e166a0, 24) = 0 [pid 507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 507] <... prctl resumed>) = 0 [pid 506] <... rmdir resumed>) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] write(1, "executing program\n", 18) = 18 [pid 507] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 507] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 505] <... mkdirat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 505] rmdir("./config/usb_gadget/g1" [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 508 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 507] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 508 attached [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 508] set_robust_list(0x555579e166a0, 24) = 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 509 [pid 508] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 508] <... setpgid resumed>) = 0 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 508] write(3, "1000", 4) = 4 [pid 508] close(3 [pid 506] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x555579e166a0, 24 [pid 506] <... exit_group resumed>) = ? [pid 509] <... set_robust_list resumed>) = 0 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 508] <... close resumed>) = 0 executing program [pid 508] write(1, "executing program\n", 18) = 18 [pid 508] mkdirat(AT_FDCWD, "./config", 0777 [pid 509] <... openat resumed>) = 3 [pid 508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 508] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3 [pid 506] +++ exited with 0 +++ [pid 508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 509] <... close resumed>) = 0 [pid 509] write(1, "executing program\n", 18) = 18 executing program [pid 509] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 509] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 507] <... rmdir resumed>) = 0 [pid 507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 507] exit_group(0 [pid 505] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 508] <... mkdirat resumed>) = 0 [pid 509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 509] rmdir("./config/usb_gadget/g1" [pid 508] rmdir("./config/usb_gadget/g1" [pid 507] <... exit_group resumed>) = ? [pid 507] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 510 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 510 attached , [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 510] set_robust_list(0x555579e166a0, 24) = 0 [pid 505] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 511 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 508] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 508] exit_group(0) = ? [pid 508] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 509] <... rmdir resumed>) = 0 [pid 509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 509] exit_group(0 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] exit_group(0 [pid 509] <... exit_group resumed>) = ? [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 505] <... exit_group resumed>) = ? [pid 510] <... prctl resumed>) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 509] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 511 attached [pid 511] set_robust_list(0x555579e166a0, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 510] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 510] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 510] <... write resumed>) = 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 512 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 510] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 511] <... set_robust_list resumed>) = 0 [pid 510] <... close resumed>) = 0 [pid 505] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 511] setpgid(0, 0) = 0 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 510] write(1, "executing program\n", 18 [pid 511] <... openat resumed>) = 3 executing program [pid 510] <... write resumed>) = 18 [pid 511] write(3, "1000", 4) = 4 [pid 511] close(3) = 0 [pid 511] write(1, "executing program\n", 18 [pid 510] mkdirat(AT_FDCWD, "./config", 0777 [pid 511] <... write resumed>) = 18 [pid 511] mkdirat(AT_FDCWD, "./config", 0777 [pid 510] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 511] mount(NULL, "./config", "configfs", 0, NULL [pid 510] mount(NULL, "./config", "configfs", 0, NULL [pid 511] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 510] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 511] <... mkdirat resumed>) = 0 [pid 511] rmdir("./config/usb_gadget/g1") = 0 [pid 511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 511] exit_group(0) = ? [pid 511] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall 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 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x555579e166a0, 24) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 513 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 514 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] <... openat resumed>) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] write(1, "executing program\n", 18) = 18 [pid 512] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 512] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 513 attached [pid 513] set_robust_list(0x555579e166a0, 24) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 513] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 515 [pid 513] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 513] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 513] <... write resumed>) = 18 executing program [pid 513] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 513] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 514 attached [pid 513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 510] <... mkdirat resumed>) = 0 [pid 512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 512] rmdir("./config/usb_gadget/g1" [pid 510] rmdir("./config/usb_gadget/g1" [pid 514] set_robust_list(0x555579e166a0, 24) = 0 [pid 512] <... rmdir resumed>) = 0 [pid 512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 512] exit_group(0) = ? [pid 510] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 514] rt_sigprocmask(SIG_SETMASK, [] [pid 510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 512] +++ exited with 0 +++ [pid 510] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 510] exit_group(0 [pid 514] <... prctl resumed>) = 0 [pid 510] <... exit_group resumed>) = ? [pid 513] <... mkdirat resumed>) = 0 [pid 513] rmdir("./config/usb_gadget/g1") = 0 [pid 513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 513] exit_group(0) = ? [pid 513] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 515 attached [pid 515] set_robust_list(0x555579e166a0, 24) = 0 [pid 510] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] setpgid(0, 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 514] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 514] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 516 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 516 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 517 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 515] <... openat resumed>) = 3 [pid 514] write(3, "1000", 4 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 executing program [pid 515] write(1, "executing program\n", 18) = 18 [pid 515] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 515] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 514] <... write resumed>) = 4 [pid 516] set_robust_list(0x555579e166a0, 24 [pid 514] close(3 [pid 516] <... set_robust_list resumed>) = 0 [pid 515] <... mkdirat resumed>) = 0 [pid 515] rmdir("./config/usb_gadget/g1") = 0 [pid 515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 515] exit_group(0) = ? [pid 514] <... close resumed>) = 0 executing program [pid 515] +++ exited with 0 +++ [pid 514] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 514] <... write resumed>) = 18 [pid 516] rt_sigprocmask(SIG_SETMASK, [] [pid 514] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 514] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 518 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 518 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] set_robust_list(0x555579e166a0, 24 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 514] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x555579e166a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 514] <... mkdirat resumed>) = 0 [pid 517] setpgid(0, 0) = 0 [pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 517] write(3, "1000", 4) = 4 [pid 517] close(3) = 0 [pid 517] write(1, "executing program\n", 18) = 18 [pid 517] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 517] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 517] rmdir("./config/usb_gadget/g1" executing program [pid 514] rmdir("./config/usb_gadget/g1" [pid 517] <... rmdir resumed>) = 0 [pid 514] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 517] exit_group(0) = ? [pid 514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 516] <... prctl resumed>) = 0 [pid 518] <... set_robust_list resumed>) = 0 [pid 514] exit_group(0 [pid 517] +++ exited with 0 +++ [pid 514] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 518] rt_sigprocmask(SIG_SETMASK, [] [pid 516] setpgid(0, 0 [pid 514] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 516] <... setpgid resumed>) = 0 [pid 518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 516] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 516] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 516] <... write resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x555579e166a0, 24) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] close(3 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 519 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 520 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 516] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 516] write(1, "executing program\n", 18 [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 executing program [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 516] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 520 attached [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 516] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 516] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 520] set_robust_list(0x555579e166a0, 24 [pid 519] <... openat resumed>) = 3 [pid 518] <... prctl resumed>) = 0 [pid 516] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 521 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 521 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] set_robust_list(0x555579e166a0, 24 [pid 520] <... set_robust_list resumed>) = 0 executing program [pid 519] write(3, "1000", 4 [pid 521] <... set_robust_list resumed>) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [] [pid 519] <... write resumed>) = 4 [pid 518] setpgid(0, 0 [pid 516] <... mkdirat resumed>) = 0 [pid 516] rmdir("./config/usb_gadget/g1") = 0 [pid 519] close(3) = 0 [pid 519] write(1, "executing program\n", 18) = 18 [pid 519] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 519] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 28.484492][ T506] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.484492][ T506] 7) [ 28.501466][ T505] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.501466][ T505] 7) [pid 519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 521] rt_sigprocmask(SIG_SETMASK, [] [pid 520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 519] rmdir("./config/usb_gadget/g1" [pid 518] <... setpgid resumed>) = 0 [pid 521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 521] <... prctl resumed>) = 0 [pid 520] <... prctl resumed>) = 0 [pid 521] setpgid(0, 0 [pid 518] <... openat resumed>) = 3 [pid 521] <... setpgid resumed>) = 0 [pid 520] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 521] <... openat resumed>) = 3 [pid 518] write(3, "1000", 4 [pid 516] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 518] <... write resumed>) = 4 [pid 518] close(3) = 0 [pid 516] exit_group(0 [pid 520] <... openat resumed>) = 3 [pid 516] <... exit_group resumed>) = ? [pid 518] write(1, "executing program\n", 18) = 18 [pid 518] mkdirat(AT_FDCWD, "./config", 0777 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3 [pid 518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 520] <... close resumed>) = 0 [pid 516] +++ exited with 0 +++ [pid 518] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 520] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 521] write(3, "1000", 4 [pid 519] <... rmdir resumed>) = 0 [pid 518] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 520] <... write resumed>) = 18 executing program [pid 521] <... write resumed>) = 4 [pid 519] exit_group(0 [pid 521] close(3) = 0 [pid 521] write(1, "executing program\n", 18 [pid 520] mkdirat(AT_FDCWD, "./config", 0777 [pid 521] <... write resumed>) = 18 executing program [pid 519] <... exit_group resumed>) = ? [pid 521] mkdirat(AT_FDCWD, "./config", 0777 [pid 520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 520] mount(NULL, "./config", "configfs", 0, NULL [pid 518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 520] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 521] mount(NULL, "./config", "configfs", 0, NULL [pid 520] <... mkdirat resumed>) = 0 [pid 519] +++ exited with 0 +++ [pid 518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 521] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 520] rmdir("./config/usb_gadget/g1") = 0 [pid 521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 518] rmdir("./config/usb_gadget/g1") = 0 [pid 520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 520] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 521] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 520] <... exit_group resumed>) = ? [pid 521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 520] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 521] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 518] exit_group(0 [pid 521] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 521] <... exit_group resumed>) = ? [pid 518] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 522 attached [pid 518] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 522] set_robust_list(0x555579e166a0, 24 [pid 521] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 522 [pid 522] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 522] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 523 [pid 522] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 522] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] <... setpgid resumed>) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 [pid 522] write(1, "executing program\n", 18) = 18 executing program [pid 522] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 522] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 523 attached [pid 522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 523] set_robust_list(0x555579e166a0, 24 [pid 522] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 522] rmdir("./config/usb_gadget/g1") = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 523] <... set_robust_list resumed>) = 0 [pid 522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 522] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [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 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 522] exit_group(0) = ? [pid 522] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x555579e166a0, 24) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 524 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 525 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 526 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 525 attached [pid 524] write(3, "1000", 4 [pid 525] set_robust_list(0x555579e166a0, 24 [pid 524] <... write resumed>) = 4 [pid 524] close(3) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [] [pid 525] <... set_robust_list resumed>) = 0 [pid 525] rt_sigprocmask(SIG_SETMASK, [] [pid 523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 524] write(1, "executing program\n", 18) = 18 executing program [pid 524] mkdirat(AT_FDCWD, "./config", 0777 [pid 525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 524] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 525] <... prctl resumed>) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 525] <... openat resumed>) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 [pid 525] write(1, "executing program\n", 18) = 18 [pid 525] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 525] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 524] rmdir("./config/usb_gadget/g1") = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 525] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 525] exit_group(0) = ? [pid 525] +++ exited with 0 +++ [pid 523] <... prctl resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 524] exit_group(0) = ? [pid 524] +++ exited with 0 +++ [pid 523] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x555579e166a0, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 527 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 526] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 526] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 523] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 527 attached [pid 527] set_robust_list(0x555579e166a0, 24) = 0 [pid 527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 526] <... openat resumed>) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 executing program [pid 527] write(1, "executing program\n", 18) = 18 [pid 527] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 527] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 526] write(3, "1000", 4 [pid 523] <... openat resumed>) = 3 [pid 527] rmdir("./config/usb_gadget/g1") = 0 [pid 527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 527] exit_group(0) = ? [pid 527] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 526] <... write resumed>) = 4 [pid 523] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 526] close(3 [pid 523] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 526] <... close resumed>) = 0 [pid 523] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 526] write(1, "executing program\n", 18 [pid 523] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 526] <... write resumed>) = 18 [pid 523] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 528 executing program ci2-android-5-15/strace-static-x86_64: Process 528 attached [pid 528] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 529 [pid 526] mkdirat(AT_FDCWD, "./config", 0777 [pid 523] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 526] mount(NULL, "./config", "configfs", 0, NULL [pid 523] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 526] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 523] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4 [pid 526] <... mkdirat resumed>) = 0 [pid 523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 526] rmdir("./config/usb_gadget/g1" [pid 523] rmdir("./config/usb_gadget/g1" [pid 528] <... write resumed>) = 4 [pid 528] close(3) = 0 [pid 528] write(1, "executing program\n", 18) = 18 executing program [pid 528] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 528] mount(NULL, "./config", "configfs", 0, NULL [pid 526] <... rmdir resumed>) = 0 [pid 523] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 526] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 523] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 523] exit_group(0 [pid 526] exit_group(0 [pid 523] <... exit_group resumed>) = ? [pid 526] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 528] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 530 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 528] <... mkdirat resumed>) = 0 [pid 528] rmdir("./config/usb_gadget/g1") = 0 [pid 528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 528] exit_group(0) = ? [pid 526] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 530 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 530] set_robust_list(0x555579e166a0, 24) = 0 [pid 530] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 528] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 529 attached [pid 529] set_robust_list(0x555579e166a0, 24) = 0 [pid 529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 531 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 529] <... prctl 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 529] setpgid(0, 0) = 0 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 532 [pid 529] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 529] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 529] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 532 attached ci2-android-5-15/strace-static-x86_64: Process 531 attached [pid 530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall 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 529] close(3) = 0 [pid 529] write(1, "executing program\n", 18) = 18 [pid 529] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 529] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 533 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 529] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 533 attached [ 28.562155][ T516] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.562155][ T516] 7) [pid 532] set_robust_list(0x555579e166a0, 24 [pid 529] <... mkdirat resumed>) = 0 [pid 529] rmdir("./config/usb_gadget/g1") = 0 [pid 529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 529] exit_group(0) = ? [pid 529] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 531] set_robust_list(0x555579e166a0, 24) = 0 [pid 531] rt_sigprocmask(SIG_SETMASK, [] [pid 532] <... set_robust_list resumed>) = 0 [pid 531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 532] rt_sigprocmask(SIG_SETMASK, [] [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0 [pid 532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 530] <... setpgid resumed>) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 531] <... openat resumed>) = 3 [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 530] <... openat resumed>) = 3 [pid 533] set_robust_list(0x555579e166a0, 24 [pid 531] write(3, "1000", 4 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 executing program [pid 530] write(1, "executing program\n", 18) = 18 [pid 530] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 530] mount(NULL, "./config", "configfs", 0, NULL [pid 532] <... prctl resumed>) = 0 [pid 533] <... set_robust_list resumed>) = 0 [pid 531] <... write resumed>) = 4 [pid 530] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 532] setpgid(0, 0) = 0 [pid 530] <... mkdirat resumed>) = 0 [pid 530] rmdir("./config/usb_gadget/g1") = 0 [pid 530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 530] exit_group(0) = ? [pid 530] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 531] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 531] <... close resumed>) = 0 [pid 531] write(1, "executing program\n", 18) = 18 executing program [pid 531] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 531] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 531] <... mkdirat resumed>) = 0 [pid 531] rmdir("./config/usb_gadget/g1") = 0 [pid 531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 531] exit_group(0) = ? [pid 531] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 532] <... openat resumed>) = 3 [pid 532] write(3, "1000", 4) = 4 [pid 532] close(3) = 0 [pid 532] write(1, "executing program\n", 18) = 18 [pid 532] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 533] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 534 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 535 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x555579e166a0, 24) = 0 [pid 535] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 536 [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 535] setpgid(0, 0) = 0 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 535] <... openat resumed>) = 3 [pid 535] write(3, "1000", 4) = 4 [pid 535] close(3) = 0 [pid 535] write(1, "executing program\n", 18) = 18 [pid 535] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 535] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 532] mount(NULL, "./config", "configfs", 0, NULL [pid 535] <... mkdirat resumed>) = 0 [pid 535] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 536 attached [pid 532] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 536] set_robust_list(0x555579e166a0, 24 [pid 535] <... rmdir resumed>) = 0 [pid 535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 535] exit_group(0) = ? [pid 535] +++ exited with 0 +++ [pid 536] <... set_robust_list resumed>) = 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 533] <... prctl resumed>) = 0 [pid 532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 533] setpgid(0, 0 [pid 536] <... openat resumed>) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] write(1, "executing program\n", 18) = 18 [pid 536] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 532] <... mkdirat resumed>) = 0 [pid 536] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 536] rmdir("./config/usb_gadget/g1") = 0 [pid 536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 536] exit_group(0) = ? [pid 533] <... setpgid resumed>) = 0 executing program [pid 532] rmdir("./config/usb_gadget/g1" [pid 536] +++ exited with 0 +++ [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 532] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 534 attached [pid 533] <... openat resumed>) = 3 [pid 532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 534] set_robust_list(0x555579e166a0, 24) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, [] [pid 533] write(3, "1000", 4 [pid 532] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 533] <... write resumed>) = 4 [pid 532] exit_group(0 [pid 534] <... openat resumed>) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] write(1, "executing program\n", 18) = 18 executing program [pid 534] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 534] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 533] close(3 [pid 532] <... exit_group resumed>) = ? [pid 533] <... close resumed>) = 0 [pid 533] write(1, "executing program\n", 18 [pid 534] <... mkdirat resumed>) = 0 [pid 534] rmdir("./config/usb_gadget/g1" [pid 533] <... write resumed>) = 18 [pid 533] mkdirat(AT_FDCWD, "./config", 0777 [pid 534] <... rmdir resumed>) = 0 [pid 534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... restart_syscall resumed>) = 0 [pid 534] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 537 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 538 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 533] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 533] mount(NULL, "./config", "configfs", 0, NULL [pid 532] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 533] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 538 attached [pid 533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 537 attached [pid 538] set_robust_list(0x555579e166a0, 24 [pid 534] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 533] <... mkdirat resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 538] <... set_robust_list resumed>) = 0 [pid 538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] rmdir("./config/usb_gadget/g1" [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 533] <... rmdir resumed>) = 0 [pid 538] write(1, "executing program\n", 18) = 18 [pid 538] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 538] mount(NULL, "./config", "configfs", 0, NULL [pid 537] set_robust_list(0x555579e166a0, 24 [pid 533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 533] exit_group(0) = ? [pid 538] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 537] <... set_robust_list resumed>) = 0 [pid 538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 537] rt_sigprocmask(SIG_SETMASK, [] [pid 533] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 538] rmdir("./config/usb_gadget/g1" [pid 537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] <... rmdir resumed>) = 0 [pid 537] setpgid(0, 0 [pid 538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 537] <... setpgid resumed>) = 0 [pid 538] exit_group(0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 538] <... exit_group resumed>) = ? [pid 537] <... openat resumed>) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 538] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 537] <... close resumed>) = 0 [pid 537] write(1, "executing program\n", 18) = 18 [pid 537] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 539 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 539 [pid 537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 539] set_robust_list(0x555579e166a0, 24 [pid 537] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 539] <... set_robust_list resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 537] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 539] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 539] setpgid(0, 0 [pid 537] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 539] <... setpgid resumed>) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 [pid 539] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 540 ci2-android-5-15/strace-static-x86_64: Process 540 attached [pid 537] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 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 539] <... write resumed>) = 18 [pid 539] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 539] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 541 [pid 539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 540] set_robust_list(0x555579e166a0, 24) = 0 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 537] <... rmdir resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 541 attached [pid 537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 541] set_robust_list(0x555579e166a0, 24 [pid 539] <... mkdirat resumed>) = 0 [pid 537] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 540] <... prctl resumed>) = 0 [pid 540] setpgid(0, 0 [pid 539] rmdir("./config/usb_gadget/g1" [pid 540] <... setpgid resumed>) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] <... rmdir resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 542 [pid 540] write(3, "1000", 4) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 540] close(3) = 0 [pid 540] write(1, "executing program\n", 18) = 18 executing program [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] mkdirat(AT_FDCWD, "./config", 0777 [pid 537] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 542 attached [pid 541] <... set_robust_list resumed>) = 0 [pid 540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 540] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 537] <... exit_group resumed>) = ? [pid 539] exit_group(0 [pid 540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 537] +++ exited with 0 +++ [pid 539] <... exit_group resumed>) = ? [pid 539] +++ exited with 0 +++ [pid 540] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 542] set_robust_list(0x555579e166a0, 24 [pid 541] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 540] <... rmdir resumed>) = 0 [pid 540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 540] exit_group(0) = ? [pid 542] <... set_robust_list resumed>) = 0 [pid 541] <... prctl resumed>) = 0 [pid 540] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 541] setpgid(0, 0) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 542] rt_sigprocmask(SIG_SETMASK, [] [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 541] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 541] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 541] <... write resumed>) = 4 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 543 ci2-android-5-15/strace-static-x86_64: Process 543 attached [pid 541] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 541] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 541] write(1, "executing program\n", 18 [pid 542] <... openat resumed>) = 3 [pid 541] <... write resumed>) = 18 [pid 543] set_robust_list(0x555579e166a0, 24 [pid 542] write(3, "1000", 4 [pid 543] <... set_robust_list resumed>) = 0 [pid 541] mkdirat(AT_FDCWD, "./config", 0777 [pid 542] <... write resumed>) = 4 [pid 541] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 543] rt_sigprocmask(SIG_SETMASK, [] [pid 542] close(3 [pid 541] mount(NULL, "./config", "configfs", 0, NULL [pid 543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 542] <... close resumed>) = 0 [pid 541] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 543] <... prctl resumed>) = 0 [pid 542] write(1, "executing program\n", 18 [pid 541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 543] setpgid(0, 0) = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3 [pid 541] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 543] <... close resumed>) = 0 [pid 543] write(1, "executing program\n", 18) = 18 [pid 543] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 543] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 543] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 543] exit_group(0) = ? executing program executing program [pid 542] <... write resumed>) = 18 [pid 541] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 543] +++ exited with 0 +++ [pid 542] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 542] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 542] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 541] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 542] exit_group(0) = ? [pid 542] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 545 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 544 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 545 [pid 545] set_robust_list(0x555579e166a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 545] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 544 attached [pid 541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 545] rt_sigprocmask(SIG_SETMASK, [] [pid 541] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0 [pid 541] exit_group(0 [pid 545] <... setpgid resumed>) = 0 [pid 541] <... exit_group resumed>) = ? [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 541] +++ exited with 0 +++ [pid 545] close(3) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 545] write(1, "executing program\n", 18 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 545] <... write resumed>) = 18 [pid 545] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 545] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 544] set_robust_list(0x555579e166a0, 24 [pid 545] rmdir("./config/usb_gadget/g1") = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 545] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 545] <... exit_group resumed>) = ? [pid 545] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 544] <... set_robust_list resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 546 [pid 544] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x555579e166a0, 24) = 0 [pid 544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] <... prctl resumed>) = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 544] setpgid(0, 0) = 0 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 546] <... prctl resumed>) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] write(1, "executing program\n", 18) = 18 executing program [pid 546] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 546] mount(NULL, "./config", "configfs", 0, NULL [pid 544] <... openat resumed>) = 3 [pid 546] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 544] write(3, "1000", 4) = 4 [pid 546] <... mkdirat resumed>) = 0 [pid 546] rmdir("./config/usb_gadget/g1" [pid 544] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 546] <... rmdir resumed>) = 0 [pid 546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 544] <... close 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 546] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 546] exit_group(0) = ? [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 547 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 546] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 547 attached [pid 547] set_robust_list(0x555579e166a0, 24) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 548 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 544] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 549 [pid 547] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 547] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 547] <... close resumed>) = 0 [pid 547] write(1, "executing program\n", 18) = 18 executing program [pid 547] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 547] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 544] <... write resumed>) = 18 [pid 544] mkdirat(AT_FDCWD, "./config", 0777 [pid 547] <... mkdirat resumed>) = 0 [pid 547] rmdir("./config/usb_gadget/g1" [pid 544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 547] <... rmdir resumed>) = 0 [pid 547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 547] exit_group(0) = ? [pid 544] mount(NULL, "./config", "configfs", 0, NULL [pid 547] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 544] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x555579e166a0, 24) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 548] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 548] setpgid(0, 0) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 550 [pid 548] <... write resumed>) = 4 [pid 548] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] <... close resumed>) = 0 executing program [pid 548] write(1, "executing program\n", 18) = 18 [pid 548] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 548] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 549 attached [pid 549] set_robust_list(0x555579e166a0, 24) = 0 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] write(1, "executing program\n", 18) = 18 [pid 549] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 549] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 544] <... mkdirat resumed>) = 0 executing program [pid 548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 548] rmdir("./config/usb_gadget/g1" [pid 544] rmdir("./config/usb_gadget/g1" [pid 548] <... rmdir resumed>) = 0 [pid 548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 548] exit_group(0) = ? [pid 548] +++ exited with 0 +++ [pid 549] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 544] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 549] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 549] exit_group(0) = ? [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 551 [pid 304] <... restart_syscall resumed>) = 0 [pid 544] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 544] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 544] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 552 [pid 549] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 550 attached [pid 550] set_robust_list(0x555579e166a0, 24) = 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 553 [pid 550] setpgid(0, 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 550] <... setpgid resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 544] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 551 attached [pid 551] set_robust_list(0x555579e166a0, 24) = 0 [pid 551] rt_sigprocmask(SIG_SETMASK, [] [pid 550] write(3, "1000", 4 [pid 551] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x555579e166a0, 24 [pid 550] <... write resumed>) = 4 [pid 552] <... set_robust_list resumed>) = 0 [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 550] close(3 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 550] <... close resumed>) = 0 [pid 551] <... prctl resumed>) = 0 [pid 552] <... prctl resumed>) = 0 [pid 552] setpgid(0, 0) = 0 [pid 551] setpgid(0, 0 [pid 550] write(1, "executing program\n", 18 [pid 551] <... setpgid resumed>) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4 [pid 550] <... write resumed>) = 18 [pid 552] <... write resumed>) = 4 executing program [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] close(3 [pid 550] mkdirat(AT_FDCWD, "./config", 0777 [pid 551] <... openat resumed>) = 3 [pid 552] <... close resumed>) = 0 [pid 552] write(1, "executing program\n", 18) = 18 [pid 552] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 552] mount(NULL, "./config", "configfs", 0, NULL [pid 550] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 551] write(3, "1000", 4 [pid 552] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 550] mount(NULL, "./config", "configfs", 0, NULL [pid 551] <... write resumed>) = 4 [pid 550] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 551] close(3 [pid 550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 552] <... mkdirat resumed>) = 0 [pid 552] rmdir("./config/usb_gadget/g1") = 0 [pid 552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 552] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 553 attached [pid 553] set_robust_list(0x555579e166a0, 24) = 0 [pid 553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] +++ exited with 0 +++ [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 [pid 553] write(1, "executing program\n", 18) = 18 [pid 553] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 551] <... close resumed>) = 0 [pid 553] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 551] write(1, "executing program\n", 18 [pid 550] <... mkdirat resumed>) = 0 [pid 553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 553] rmdir("./config/usb_gadget/g1" [pid 551] <... write resumed>) = 18 [pid 550] rmdir("./config/usb_gadget/g1" executing program [pid 551] mkdirat(AT_FDCWD, "./config", 0777 [pid 553] <... rmdir resumed>) = 0 [pid 553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 553] exit_group(0) = ? [pid 551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 550] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 553] +++ exited with 0 +++ [pid 551] mount(NULL, "./config", "configfs", 0, NULL [pid 550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 551] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 550] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 550] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 554 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 550] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x555579e166a0, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 554] <... set_robust_list resumed>) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 555 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 556 ci2-android-5-15/strace-static-x86_64: Process 556 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 551] <... mkdirat resumed>) = 0 [pid 554] <... prctl resumed>) = 0 [pid 551] rmdir("./config/usb_gadget/g1" [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 556] set_robust_list(0x555579e166a0, 24 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4 [pid 551] <... rmdir resumed>) = 0 [pid 556] <... set_robust_list resumed>) = 0 [pid 551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 551] exit_group(0) = ? [pid 556] rt_sigprocmask(SIG_SETMASK, [] [pid 554] <... write resumed>) = 4 [pid 554] close(3) = 0 [pid 554] write(1, "executing program\n", 18 [pid 551] +++ exited with 0 +++ [pid 556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 556] setpgid(0, 0) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 556] 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 554] <... write resumed>) = 18 executing program [pid 554] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 557 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 556] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 557 attached [pid 556] write(3, "1000", 4) = 4 [pid 557] set_robust_list(0x555579e166a0, 24 [pid 556] close(3 [pid 557] <... set_robust_list resumed>) = 0 [pid 556] <... close resumed>) = 0 [pid 556] write(1, "executing program\n", 18) = 18 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 556] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 556] mount(NULL, "./config", "configfs", 0, NULL [pid 557] <... prctl resumed>) = 0 executing program [pid 556] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 557] setpgid(0, 0 [pid 556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 557] <... setpgid resumed>) = 0 [pid 554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 554] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 555 attached [pid 555] set_robust_list(0x555579e166a0, 24) = 0 [pid 555] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall 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 555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 558 [pid 556] <... mkdirat resumed>) = 0 [pid 554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 554] rmdir("./config/usb_gadget/g1" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 556] rmdir("./config/usb_gadget/g1" [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 556] <... rmdir resumed>) = 0 [pid 554] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 554] exit_group(0) = ? [pid 556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 556] exit_group(0) = ? [pid 557] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 558 attached [pid 556] +++ exited with 0 +++ [pid 554] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 558] set_robust_list(0x555579e166a0, 24 [pid 557] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 558] <... set_robust_list resumed>) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [] [pid 557] <... write resumed>) = 4 [pid 555] <... prctl resumed>) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 557] close(3 [pid 558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 557] <... close resumed>) = 0 [pid 557] write(1, "executing program\n", 18) = 18 [pid 305] <... restart_syscall resumed>) = 0 [pid 557] mkdirat(AT_FDCWD, "./config", 0777 [pid 555] <... openat resumed>) = 3 [pid 555] write(3, "1000", 4 executing program [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 557] mount(NULL, "./config", "configfs", 0, NULL [pid 555] <... write resumed>) = 4 [pid 555] close(3) = 0 [pid 555] write(1, "executing program\n", 18) = 18 [pid 555] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 559 [pid 557] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 555] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 555] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x555579e166a0, 24) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 559] write(3, "1000", 4) = 4 [pid 559] close(3) = 0 [pid 559] write(1, "executing program\n", 18) = 18 [pid 557] <... mkdirat resumed>) = 0 [pid 555] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program [pid 555] rmdir("./config/usb_gadget/g1" [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 557] rmdir("./config/usb_gadget/g1" [pid 555] <... rmdir resumed>) = 0 [pid 555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 555] exit_group(0) = ? [pid 558] <... prctl resumed>) = 0 [pid 557] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 555] +++ exited with 0 +++ [pid 557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 557] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 559] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 559] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 558] setpgid(0, 0 [pid 557] exit_group(0) = ? [pid 558] <... setpgid resumed>) = 0 [pid 559] <... mkdirat resumed>) = 0 [pid 559] rmdir("./config/usb_gadget/g1") = 0 [pid 559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 559] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 559] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 560 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 558] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 557] +++ exited with 0 +++ [pid 558] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 560 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 560] set_robust_list(0x555579e166a0, 24 [pid 558] close(3 [pid 560] <... set_robust_list resumed>) = 0 [pid 558] <... close resumed>) = 0 [pid 560] rt_sigprocmask(SIG_SETMASK, [] [pid 558] write(1, "executing program\n", 18 [pid 560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 558] <... write resumed>) = 18 executing program [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 558] mkdirat(AT_FDCWD, "./config", 0777 [pid 560] <... prctl resumed>) = 0 [pid 558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 558] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 560] setpgid(0, 0) = 0 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 560] <... openat resumed>) = 3 [pid 560] write(3, "1000", 4 [pid 558] <... mkdirat resumed>) = 0 [pid 558] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 558] <... rmdir resumed>) = 0 [pid 558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 558] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 560] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 560] close(3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 560] <... close resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 561 [pid 558] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 560] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 562 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 560] <... write resumed>) = 18 executing program [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 560] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 562 attached [pid 562] set_robust_list(0x555579e166a0, 24) = 0 [pid 562] rt_sigprocmask(SIG_SETMASK, [] [pid 560] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 561 attached [pid 561] set_robust_list(0x555579e166a0, 24 [pid 562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 560] mount(NULL, "./config", "configfs", 0, NULL [pid 561] <... set_robust_list resumed>) = 0 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 560] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 561] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] write(1, "executing program\n", 18 [pid 562] <... prctl resumed>) = 0 [pid 561] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 562] setpgid(0, 0 [pid 561] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 561] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 560] <... mkdirat resumed>) = 0 [pid 561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 561] rmdir("./config/usb_gadget/g1") = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 560] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 560] exit_group(0) = ? [pid 561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 563 [pid 561] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 561] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 563 attached [pid 562] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 563] set_robust_list(0x555579e166a0, 24 [pid 562] <... openat resumed>) = 3 [pid 563] <... set_robust_list resumed>) = 0 [pid 562] write(3, "1000", 4) = 4 [pid 561] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [] [pid 562] close(3 [pid 563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 562] <... close resumed>) = 0 [pid 562] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 562] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 563] <... prctl resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 563] setpgid(0, 0 [pid 562] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 564 ci2-android-5-15/strace-static-x86_64: Process 564 attached [pid 563] <... setpgid resumed>) = 0 [pid 562] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 562] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 564] set_robust_list(0x555579e166a0, 24 [pid 560] +++ exited with 0 +++ [pid 562] <... mkdirat resumed>) = 0 [pid 561] +++ exited with 0 +++ [pid 563] <... openat resumed>) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 563] write(1, "executing program\n", 18) = 18 [pid 563] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 564] <... set_robust_list resumed>) = 0 [pid 562] rmdir("./config/usb_gadget/g1" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 563] mount(NULL, "./config", "configfs", 0, NULL [pid 564] rt_sigprocmask(SIG_SETMASK, [] [pid 562] <... rmdir resumed>) = 0 [pid 564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 564] write(3, "1000", 4 [pid 562] exit_group(0 [pid 563] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 562] <... exit_group resumed>) = ? [pid 563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 564] <... write resumed>) = 4 [pid 564] close(3) = 0 [pid 564] write(1, "executing program\n", 18) = 18 [pid 564] mkdirat(AT_FDCWD, "./config", 0777 [pid 562] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 563] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 563] rmdir("./config/usb_gadget/g1" [pid 564] mount(NULL, "./config", "configfs", 0, NULL [pid 563] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 564] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 563] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 565 attached [pid 564] <... mkdirat resumed>) = 0 [pid 563] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 565] set_robust_list(0x555579e166a0, 24 [pid 564] rmdir("./config/usb_gadget/g1" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 565 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 565] <... set_robust_list resumed>) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 565] <... prctl resumed>) = 0 [pid 565] setpgid(0, 0) = 0 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 566 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 567 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 565] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] <... write resumed>) = 4 [pid 565] close(3ci2-android-5-15/strace-static-x86_64: Process 567 attached ci2-android-5-15/strace-static-x86_64: Process 566 attached ) = 0 [pid 564] <... rmdir resumed>) = 0 [pid 567] set_robust_list(0x555579e166a0, 24) = 0 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] write(1, "executing program\n", 18) = 18 executing program [pid 567] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 567] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 566] set_robust_list(0x555579e166a0, 24 [pid 565] write(1, "executing program\n", 18 [pid 564] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 564] exit_group(0 [pid 567] <... mkdirat resumed>) = 0 [pid 566] <... set_robust_list resumed>) = 0 [pid 565] <... write resumed>) = 18 executing program [pid 567] rmdir("./config/usb_gadget/g1" [pid 566] rt_sigprocmask(SIG_SETMASK, [] [pid 567] <... rmdir resumed>) = 0 [pid 566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] mkdirat(AT_FDCWD, "./config", 0777 [pid 564] <... exit_group resumed>) = ? [pid 567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] +++ exited with 0 +++ [pid 566] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 566] <... write resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 566] close(3) = 0 [pid 566] write(1, "executing program\n", 18) = 18 executing program [pid 567] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 566] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 566] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 565] mount(NULL, "./config", "configfs", 0, NULL [pid 566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 567] exit_group(0 [pid 566] <... mkdirat resumed>) = 0 [pid 565] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 567] <... exit_group resumed>) = ? [pid 566] rmdir("./config/usb_gadget/g1" [pid 565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 565] rmdir("./config/usb_gadget/g1" [pid 567] +++ exited with 0 +++ [pid 565] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 566] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 568 [pid 565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 565] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 569 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 569 attached ci2-android-5-15/strace-static-x86_64: Process 568 attached [pid 566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 565] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 569] set_robust_list(0x555579e166a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 566] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] write(1, "executing program\n", 18) = 18 [pid 569] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 569] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 569] <... mkdirat resumed>) = 0 [pid 568] set_robust_list(0x555579e166a0, 24 [pid 566] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 569] rmdir("./config/usb_gadget/g1" [pid 568] <... set_robust_list resumed>) = 0 [pid 566] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 570 attached [pid 569] <... rmdir resumed>) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [] [pid 566] +++ exited with 0 +++ [pid 570] set_robust_list(0x555579e166a0, 24 [pid 569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 568] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 570 [pid 570] <... set_robust_list resumed>) = 0 [pid 569] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 570] rt_sigprocmask(SIG_SETMASK, [] [pid 569] exit_group(0 [pid 568] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 569] <... exit_group resumed>) = ? [pid 568] setpgid(0, 0) = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 569] +++ exited with 0 +++ [pid 568] <... openat resumed>) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 [pid 570] <... prctl resumed>) = 0 [pid 568] write(1, "executing program\n", 18 [pid 570] setpgid(0, 0 executing program [pid 568] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 570] <... setpgid resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 568] mkdirat(AT_FDCWD, "./config", 0777 [pid 570] <... openat resumed>) = 3 [pid 568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 570] write(3, "1000", 4 [pid 568] mount(NULL, "./config", "configfs", 0, NULL [pid 570] <... write resumed>) = 4 [pid 570] close(3 [pid 568] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 570] <... close resumed>) = 0 [pid 568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 570] write(1, "executing program\n", 18) = 18 [pid 570] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 570] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 568] <... mkdirat resumed>) = 0 [pid 570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 570] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 568] rmdir("./config/usb_gadget/g1" [pid 570] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 570] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 570] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 572 attached [pid 568] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 571 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 572 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 568] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 568] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 568] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 568] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 573 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 573 attached [pid 572] set_robust_list(0x555579e166a0, 24) = 0 [pid 573] set_robust_list(0x555579e166a0, 24) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [] [pid 572] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 571 attached [pid 571] set_robust_list(0x555579e166a0, 24 [pid 573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 571] <... set_robust_list resumed>) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [] [pid 573] <... prctl resumed>) = 0 [pid 573] setpgid(0, 0) = 0 [pid 571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 571] setpgid(0, 0 [pid 573] <... openat resumed>) = 3 [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 573] write(3, "1000", 4) = 4 [pid 571] <... setpgid resumed>) = 0 [pid 573] close(3 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 572] <... prctl resumed>) = 0 [pid 573] <... close resumed>) = 0 [pid 573] write(1, "executing program\n", 18) = 18 executing program [pid 573] mkdirat(AT_FDCWD, "./config", 0777 [pid 572] setpgid(0, 0 [pid 573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 572] <... setpgid resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 573] mount(NULL, "./config", "configfs", 0, NULL [pid 571] <... openat resumed>) = 3 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 573] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 572] <... openat resumed>) = 3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 571] write(3, "1000", 4 [pid 572] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 571] <... write resumed>) = 4 [pid 571] close(3) = 0 [pid 573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 571] write(1, "executing program\n", 18 [pid 572] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 574 attached [pid 573] <... mkdirat resumed>) = 0 [pid 572] close(3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 574 [pid 571] <... write resumed>) = 18 [pid 571] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 571] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 571] rmdir("./config/usb_gadget/g1" [pid 572] <... close resumed>) = 0 executing program [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 574] set_robust_list(0x555579e166a0, 24 [pid 572] write(1, "executing program\n", 18 [pid 571] <... rmdir resumed>) = 0 [pid 573] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) executing program [pid 574] <... set_robust_list resumed>) = 0 [pid 573] exit_group(0 [pid 572] <... write resumed>) = 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 572] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 574] rt_sigprocmask(SIG_SETMASK, [] [pid 572] 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 575 attached [pid 574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 572] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 575 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 573] <... exit_group resumed>) = ? [pid 575] set_robust_list(0x555579e166a0, 24 [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 573] +++ exited with 0 +++ [pid 572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 571] exit_group(0) = ? [pid 572] <... mkdirat resumed>) = 0 [pid 571] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 575] <... set_robust_list resumed>) = 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 572] rmdir("./config/usb_gadget/g1" [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 575] <... prctl resumed>) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] <... rmdir resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 575] write(1, "executing program\n", 18) = 18 [pid 575] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 575] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 575] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 572] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 572] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 575] <... mkdirat resumed>) = 0 [pid 572] <... exit_group resumed>) = ? [pid 575] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 576 ci2-android-5-15/strace-static-x86_64: Process 576 attached [pid 576] set_robust_list(0x555579e166a0, 24) = 0 [pid 576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 575] <... rmdir resumed>) = 0 [pid 575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 575] exit_group(0) = ? [pid 575] +++ exited with 0 +++ [pid 574] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 574] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 574] <... setpgid resumed>) = 0 [pid 576] <... prctl resumed>) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 executing program [pid 576] write(1, "executing program\n", 18) = 18 [pid 576] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 576] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 574] <... openat resumed>) = 3 [pid 576] <... mkdirat resumed>) = 0 [pid 574] write(3, "1000", 4 [pid 576] rmdir("./config/usb_gadget/g1") = 0 [pid 574] <... write resumed>) = 4 [pid 576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 574] close(3 [pid 576] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 574] <... close resumed>) = 0 [pid 576] exit_group(0 [pid 574] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 574] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 576] <... exit_group resumed>) = ? [pid 574] mkdirat(AT_FDCWD, "./config", 0777 [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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 574] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 577 [pid 574] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 574] <... mkdirat resumed>) = 0 [pid 574] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 579 attached ci2-android-5-15/strace-static-x86_64: Process 578 attached ci2-android-5-15/strace-static-x86_64: Process 577 attached [pid 576] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 578 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 579 [pid 579] set_robust_list(0x555579e166a0, 24 [pid 578] set_robust_list(0x555579e166a0, 24 [pid 577] set_robust_list(0x555579e166a0, 24 [pid 574] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 579] <... set_robust_list resumed>) = 0 [pid 578] <... set_robust_list resumed>) = 0 [pid 577] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 577] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] rt_sigprocmask(SIG_SETMASK, [] [pid 577] setpgid(0, 0) = 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [] [pid 578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 577] <... openat resumed>) = 3 [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] write(1, "executing program\n", 18) = 18 executing program [pid 577] mkdirat(AT_FDCWD, "./config", 0777 [pid 579] <... prctl resumed>) = 0 [pid 578] <... prctl resumed>) = 0 [pid 577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 577] mount(NULL, "./config", "configfs", 0, NULL [pid 579] setpgid(0, 0 [pid 578] setpgid(0, 0 [pid 577] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 574] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 579] <... setpgid resumed>) = 0 [pid 578] <... setpgid resumed>) = 0 [pid 577] <... mkdirat resumed>) = 0 [pid 574] exit_group(0 [pid 577] rmdir("./config/usb_gadget/g1" [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 574] <... exit_group resumed>) = ? [pid 579] <... openat resumed>) = 3 [pid 578] <... openat resumed>) = 3 [pid 574] +++ exited with 0 +++ [pid 577] <... rmdir resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 579] write(3, "1000", 4 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 577] exit_group(0 [pid 578] write(3, "1000", 4 [pid 579] <... write resumed>) = 4 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 579] close(3 [pid 578] <... write resumed>) = 4 [pid 577] <... exit_group resumed>) = ? [pid 579] <... close resumed>) = 0 [pid 578] close(3 [pid 577] +++ exited with 0 +++ [pid 579] write(1, "executing program\n", 18 [pid 578] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 579] <... write resumed>) = 18 executing program [pid 578] write(1, "executing program\n", 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 578] <... write resumed>) = 18 executing program [pid 308] <... restart_syscall resumed>) = 0 [pid 579] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 580 attached ci2-android-5-15/strace-static-x86_64: Process 581 attached ) = -1 EEXIST (File exists) [pid 578] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 580 [pid 579] mount(NULL, "./config", "configfs", 0, NULL [pid 578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 579] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 578] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 581 [pid 579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 581] set_robust_list(0x555579e166a0, 24 [pid 580] set_robust_list(0x555579e166a0, 24 [pid 579] <... mkdirat resumed>) = 0 [pid 578] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 579] rmdir("./config/usb_gadget/g1" [pid 578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 581] <... set_robust_list resumed>) = 0 [pid 580] <... set_robust_list resumed>) = 0 [pid 579] <... rmdir resumed>) = 0 [pid 579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x555579e166a0, 24) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 582 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4) = 4 [pid 582] close(3) = 0 [pid 582] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 582] <... write resumed>) = 18 [pid 582] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 582] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 578] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 578] <... rmdir resumed>) = 0 [pid 582] rmdir("./config/usb_gadget/g1") = 0 [pid 582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 582] exit_group(0) = ? [pid 578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 582] +++ exited with 0 +++ executing program [pid 578] exit_group(0) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 578] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 581] <... openat resumed>) = 3 [pid 580] rt_sigprocmask(SIG_SETMASK, [] [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] write(1, "executing program\n", 18) = 18 executing program [pid 581] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 581] mount(NULL, "./config", "configfs", 0, NULL [pid 580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 581] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 581] <... mkdirat resumed>) = 0 [pid 580] <... prctl resumed>) = 0 [pid 581] rmdir("./config/usb_gadget/g1") = 0 [pid 581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 581] exit_group(0) = ? [pid 580] setpgid(0, 0 [pid 581] +++ exited with 0 +++ [pid 580] <... setpgid resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] write(1, "executing program\n", 18) = 18 [pid 580] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 580] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 580] rmdir("./config/usb_gadget/g1" [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 583 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 583 attached [pid 580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 580] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 583] set_robust_list(0x555579e166a0, 24 [pid 580] exit_group(0 [pid 583] <... set_robust_list resumed>) = 0 [pid 580] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 583] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 583] <... 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|SIGCHLD [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 583] <... prctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 584 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 585 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 583] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 583] <... 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 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 580] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 586 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 584 attached [pid 583] <... openat resumed>) = 3 [pid 584] set_robust_list(0x555579e166a0, 24) = 0 [pid 584] rt_sigprocmask(SIG_SETMASK, [] [pid 583] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 586 attached ci2-android-5-15/strace-static-x86_64: Process 585 attached ) = 4 [pid 584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 583] close(3 [pid 585] set_robust_list(0x555579e166a0, 24 [pid 584] <... prctl resumed>) = 0 [pid 584] setpgid(0, 0) = 0 [pid 586] set_robust_list(0x555579e166a0, 24 [pid 585] <... set_robust_list resumed>) = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 583] <... close resumed>) = 0 [pid 583] write(1, "executing program\n", 18) = 18 executing program [pid 584] <... openat resumed>) = 3 [pid 584] write(3, "1000", 4 [pid 583] mkdirat(AT_FDCWD, "./config", 0777 [pid 586] <... set_robust_list resumed>) = 0 [pid 585] rt_sigprocmask(SIG_SETMASK, [] [pid 583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 584] <... write resumed>) = 4 [pid 584] close(3) = 0 [pid 584] write(1, "executing program\n", 18) = 18 executing program [pid 584] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 584] mount(NULL, "./config", "configfs", 0, NULL [pid 583] mount(NULL, "./config", "configfs", 0, NULL [pid 585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 584] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 583] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 584] <... mkdirat resumed>) = 0 [pid 583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 584] rmdir("./config/usb_gadget/g1" [pid 583] rmdir("./config/usb_gadget/g1" [pid 584] <... rmdir resumed>) = 0 [pid 584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 584] exit_group(0) = ? [pid 584] +++ exited with 0 +++ [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 583] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 583] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 586] <... prctl resumed>) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 585] <... prctl resumed>) = 0 [pid 583] exit_group(0) = ? [pid 585] setpgid(0, 0 [pid 586] <... openat resumed>) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 583] +++ exited with 0 +++ [pid 585] <... setpgid resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 586] write(1, "executing program\n", 18) = 18 [pid 586] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 586] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 586] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 585] <... openat resumed>) = 3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 585] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 585] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 588 attached [pid 585] close(3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 587 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 588 [pid 585] <... close resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 585] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 585] <... write resumed>) = 18 executing program [pid 586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 585] mkdirat(AT_FDCWD, "./config", 0777 [pid 588] set_robust_list(0x555579e166a0, 24 [pid 586] <... mkdirat resumed>) = 0 [pid 585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 586] rmdir("./config/usb_gadget/g1" [pid 588] <... set_robust_list resumed>) = 0 [pid 585] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 585] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 586] <... rmdir resumed>) = 0 [pid 585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 586] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 586] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 587 attached [pid 587] set_robust_list(0x555579e166a0, 24) = 0 [pid 587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3) = 0 [pid 587] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 587] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 587] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 589 [pid 587] rmdir("./config/usb_gadget/g1" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 585] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] <... rmdir resumed>) = 0 [pid 587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 587] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 590 [pid 587] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 587] +++ exited with 0 +++ [pid 585] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 585] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 589 attached ci2-android-5-15/strace-static-x86_64: Process 590 attached [pid 589] set_robust_list(0x555579e166a0, 24 [pid 588] rt_sigprocmask(SIG_SETMASK, [] [pid 585] <... exit_group resumed>) = ? [pid 589] <... set_robust_list resumed>) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 585] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4 [pid 588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 589] <... write resumed>) = 4 [pid 589] close(3) = 0 [pid 589] write(1, "executing program\n", 18) = 18 [pid 589] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 589] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 590] set_robust_list(0x555579e166a0, 24 [pid 588] <... prctl resumed>) = 0 [pid 589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 590] <... set_robust_list resumed>) = 0 [pid 588] setpgid(0, 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [] [pid 588] <... setpgid resumed>) = 0 [pid 589] <... mkdirat resumed>) = 0 [pid 589] rmdir("./config/usb_gadget/g1") = 0 [pid 589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 589] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 589] +++ exited with 0 +++ [pid 590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall 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 590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 588] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 591 attached [pid 590] <... prctl resumed>) = 0 [pid 588] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 591 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 591] set_robust_list(0x555579e166a0, 24 [pid 590] setpgid(0, 0 [pid 588] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 591] <... set_robust_list resumed>) = 0 [pid 590] <... setpgid resumed>) = 0 [pid 588] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 588] <... close resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 592 [pid 588] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 588] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 592 attached [pid 588] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 592] set_robust_list(0x555579e166a0, 24 [pid 590] <... openat resumed>) = 3 [pid 588] mount(NULL, "./config", "configfs", 0, NULL [pid 592] <... set_robust_list resumed>) = 0 [pid 590] write(3, "1000", 4 [pid 588] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 590] <... write resumed>) = 4 [pid 592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 588] <... mkdirat resumed>) = 0 [pid 592] <... openat resumed>) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] write(1, "executing program\n", 18) = 18 [pid 592] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 592] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 592] rmdir("./config/usb_gadget/g1" [pid 590] close(3 [pid 588] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 592] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 592] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 590] <... close resumed>) = 0 [pid 588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 590] write(1, "executing program\n", 18 [pid 588] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 592] +++ exited with 0 +++ [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 588] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 593 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 588] <... exit_group resumed>) = ? [pid 590] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 588] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program [pid 590] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 591] <... openat resumed>) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 590] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 593 attached [pid 593] set_robust_list(0x555579e166a0, 24) = 0 [pid 590] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 593] rt_sigprocmask(SIG_SETMASK, [] [pid 590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 591] write(1, "executing program\n", 18 [pid 593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4 [pid 590] <... mkdirat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 594 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] <... write resumed>) = 18 [pid 593] <... write resumed>) = 4 executing program [pid 590] rmdir("./config/usb_gadget/g1" [pid 591] mkdirat(AT_FDCWD, "./config", 0777 [pid 593] close(3) = 0 [pid 593] write(1, "executing program\n", 18 [pid 591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] <... write resumed>) = 18 executing program [pid 593] mkdirat(AT_FDCWD, "./config", 0777 [pid 591] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] mount(NULL, "./config", "configfs", 0, NULL [pid 591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 593] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 594 attached [pid 594] set_robust_list(0x555579e166a0, 24) = 0 [pid 594] rt_sigprocmask(SIG_SETMASK, [] [pid 590] <... rmdir resumed>) = 0 [pid 590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 590] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 591] <... mkdirat resumed>) = 0 [pid 593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] rmdir("./config/usb_gadget/g1") = 0 [pid 591] rmdir("./config/usb_gadget/g1" [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 595 [pid 591] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 593] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 591] exit_group(0 [pid 593] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 591] <... exit_group resumed>) = ? [pid 590] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x555579e166a0, 24 [pid 308] <... restart_syscall resumed>) = 0 [pid 593] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 591] +++ exited with 0 +++ [pid 594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 596 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, 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 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 594] <... setpgid resumed>) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 596 attached [pid 595] <... set_robust_list resumed>) = 0 [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 594] <... openat resumed>) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 597 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 594] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 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 594] write(1, "executing program\n", 18) = 18 [pid 594] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 594] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 598 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] <... mkdirat resumed>) = 0 [pid 594] rmdir("./config/usb_gadget/g1" [pid 595] rt_sigprocmask(SIG_SETMASK, [] [pid 594] <... rmdir resumed>) = 0 [pid 594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 594] exit_group(0) = ? executing program [pid 594] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 598 attached ci2-android-5-15/strace-static-x86_64: Process 597 attached [pid 595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 596] set_robust_list(0x555579e166a0, 24 [pid 598] set_robust_list(0x555579e166a0, 24 [pid 597] set_robust_list(0x555579e166a0, 24 [pid 596] <... set_robust_list resumed>) = 0 [pid 598] <... set_robust_list resumed>) = 0 [pid 597] <... set_robust_list resumed>) = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 598] rt_sigprocmask(SIG_SETMASK, [] [pid 597] rt_sigprocmask(SIG_SETMASK, [] [pid 596] rt_sigprocmask(SIG_SETMASK, [] [pid 595] <... prctl resumed>) = 0 [pid 598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 595] setpgid(0, 0 [pid 598] <... openat resumed>) = 3 [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 598] write(3, "1000", 4 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 595] <... setpgid resumed>) = 0 [pid 597] <... prctl resumed>) = 0 [pid 597] setpgid(0, 0) = 0 [pid 598] <... write resumed>) = 4 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 598] close(3 [pid 596] <... prctl resumed>) = 0 [pid 597] <... openat resumed>) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3) = 0 [pid 597] write(1, "executing program\n", 18) = 18 executing program [pid 597] mkdirat(AT_FDCWD, "./config", 0777 [pid 598] <... close resumed>) = 0 [pid 597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 597] mount(NULL, "./config", "configfs", 0, NULL [pid 598] write(1, "executing program\n", 18 [pid 596] setpgid(0, 0 [pid 597] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 598] <... write resumed>) = 18 [pid 598] mkdirat(AT_FDCWD, "./config", 0777 [pid 597] <... mkdirat resumed>) = 0 [pid 596] <... setpgid resumed>) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 598] mount(NULL, "./config", "configfs", 0, NULL [pid 597] rmdir("./config/usb_gadget/g1" [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 598] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 597] <... rmdir resumed>) = 0 [pid 596] <... openat resumed>) = 3 [pid 595] <... openat resumed>) = 3 [pid 597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 597] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 598] <... mkdirat resumed>) = 0 [pid 596] write(3, "1000", 4 [pid 595] write(3, "1000", 4 [pid 598] rmdir("./config/usb_gadget/g1" [pid 597] +++ exited with 0 +++ [pid 596] <... write resumed>) = 4 [pid 595] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 596] close(3) = 0 [pid 596] write(1, "executing program\n", 18) = 18 [pid 596] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 596] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 599 [pid 307] <... restart_syscall resumed>) = 0 [pid 596] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... 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 596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 596] rmdir("./config/usb_gadget/g1" [pid 595] close(3ci2-android-5-15/strace-static-x86_64: Process 599 attached ) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 600 [pid 595] write(1, "executing program\n", 18) = 18 [pid 595] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 595] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 600 attached , NULL, 8) = 0 [pid 600] set_robust_list(0x555579e166a0, 24) = 0 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 599] set_robust_list(0x555579e166a0, 24 [pid 600] <... openat resumed>) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [pid 600] write(1, "executing program\n", 18) = 18 [pid 600] mkdirat(AT_FDCWD, "./config", 0777 [pid 599] <... set_robust_list resumed>) = 0 executing program [pid 600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 600] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 599] rt_sigprocmask(SIG_SETMASK, [] [pid 598] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 596] <... rmdir resumed>) = 0 [pid 598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 598] exit_group(0) = ? [pid 598] +++ exited with 0 +++ [pid 600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 595] <... mkdirat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 600] rmdir("./config/usb_gadget/g1" [pid 599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 595] rmdir("./config/usb_gadget/g1" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 595] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 595] exit_group(0) = ? [pid 600] <... rmdir resumed>) = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 596] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 595] +++ exited with 0 +++ [pid 600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 599] <... prctl resumed>) = 0 [pid 596] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 600] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 600] exit_group(0) = ? [pid 599] setpgid(0, 0 [pid 596] <... exit_group resumed>) = ? [pid 600] +++ exited with 0 +++ [pid 599] <... setpgid resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 596] +++ exited with 0 +++ [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 599] <... openat resumed>) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 599] close(3) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 601 ci2-android-5-15/strace-static-x86_64: Process 601 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 602 attached [pid 601] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 602 [pid 602] set_robust_list(0x555579e166a0, 24 [pid 601] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 601] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 603 attached [pid 602] <... set_robust_list resumed>) = 0 [pid 601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 603 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 601] <... prctl resumed>) = 0 [pid 599] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 601] setpgid(0, 0 [pid 599] <... write resumed>) = 18 [pid 601] <... setpgid resumed>) = 0 executing program [pid 599] mkdirat(AT_FDCWD, "./config", 0777 [pid 602] rt_sigprocmask(SIG_SETMASK, [] [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 601] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 602] <... prctl resumed>) = 0 [pid 599] mount(NULL, "./config", "configfs", 0, NULL [pid 602] setpgid(0, 0 [pid 601] write(3, "1000", 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 602] <... setpgid resumed>) = 0 [pid 601] <... write resumed>) = 4 [pid 599] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 602] write(3, "1000", 4 [pid 603] set_robust_list(0x555579e166a0, 24 [pid 602] <... write resumed>) = 4 [pid 601] close(3 [pid 599] <... mkdirat resumed>) = 0 [pid 602] close(3) = 0 [pid 599] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 604 executing program [pid 602] write(1, "executing program\n", 18 [pid 601] <... close resumed>) = 0 [pid 602] <... write resumed>) = 18 [pid 599] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 602] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 602] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 599] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 601] write(1, "executing program\n", 18 [pid 599] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 602] rmdir("./config/usb_gadget/g1") = 0 [pid 601] <... write resumed>) = 18 [pid 599] <... exit_group resumed>) = ? [pid 602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 601] mkdirat(AT_FDCWD, "./config", 0777 [pid 599] +++ exited with 0 +++ [pid 602] exit_group(0) = ? executing program [pid 601] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] <... set_robust_list resumed>) = 0 [pid 602] +++ exited with 0 +++ [pid 601] mount(NULL, "./config", "configfs", 0, NULL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 604 attached [pid 601] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 604] set_robust_list(0x555579e166a0, 24) = 0 [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0 [pid 601] <... mkdirat resumed>) = 0 [pid 604] <... setpgid resumed>) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] write(1, "executing program\n", 18) = 18 [pid 604] mkdirat(AT_FDCWD, "./config", 0777 [pid 601] rmdir("./config/usb_gadget/g1" [pid 604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 604] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 604] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 601] <... rmdir resumed>) = 0 [pid 604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 604] exit_group(0 [pid 601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 604] <... exit_group resumed>) = ? executing program [pid 604] +++ exited with 0 +++ [pid 601] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 601] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 601] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 603] <... prctl resumed>) = 0 [pid 603] setpgid(0, 0) = 0 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 603] write(3, "1000", 4 [pid 601] +++ exited with 0 +++ [pid 603] <... write resumed>) = 4 [pid 603] close(3 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... 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 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 603] write(1, "executing program\n", 18) = 18 [pid 603] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 605 executing program [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 603] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 606 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 607 [pid 603] rmdir("./config/usb_gadget/g1" [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 603] <... rmdir resumed>) = 0 [pid 603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 603] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 603] exit_group(0) = ? [pid 603] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x555579e166a0, 24) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 606 attached ) = 0 ci2-android-5-15/strace-static-x86_64: Process 607 attached [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 606] set_robust_list(0x555579e166a0, 24) = 0 [pid 606] rt_sigprocmask(SIG_SETMASK, [] [pid 605] <... openat resumed>) = 3 [pid 606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0 [pid 605] write(3, "1000", 4) = 4 [pid 606] <... setpgid resumed>) = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 605] close(3) = 0 [pid 605] write(1, "executing program\n", 18) = 18 [pid 605] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 606] <... openat resumed>) = 3 [pid 605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 605] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 606] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 606] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 606] close(3) = 0 [pid 606] write(1, "executing program\n", 18 [pid 605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 606] <... write resumed>) = 18 [pid 605] <... mkdirat resumed>) = 0 [pid 606] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 606] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 606] rmdir("./config/usb_gadget/g1" [pid 605] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 608 executing program [pid 606] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 605] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 605] exit_group(0) = ? [pid 607] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 606] exit_group(0) = ? [pid 607] <... set_robust_list resumed>) = 0 [pid 606] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 605] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 608 attached [pid 608] set_robust_list(0x555579e166a0, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 608] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] rt_sigprocmask(SIG_SETMASK, [] [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 [pid 608] write(1, "executing program\n", 18) = 18 executing program [pid 608] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 607] <... 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|SIGCHLD [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 609 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 609 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 608] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 607] <... prctl resumed>) = 0 [pid 608] rmdir("./config/usb_gadget/g1") = 0 [pid 608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 608] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 608] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] set_robust_list(0x555579e166a0, 24) = 0 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 610 [pid 609] close(3) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 611 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 609] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] <... write resumed>) = 18 [pid 609] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 609] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 607] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 610 attached [pid 609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 607] <... setpgid resumed>) = 0 executing program [pid 610] set_robust_list(0x555579e166a0, 24) = 0 [pid 610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x555579e166a0, 24) = 0 [pid 607] <... openat resumed>) = 3 [pid 611] rt_sigprocmask(SIG_SETMASK, [] [pid 607] write(3, "1000", 4 [pid 611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 610] <... openat resumed>) = 3 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 607] <... write resumed>) = 4 [pid 610] write(3, "1000", 4) = 4 [pid 611] <... prctl resumed>) = 0 [pid 610] close(3 [pid 611] setpgid(0, 0 [pid 607] close(3 [pid 610] <... close resumed>) = 0 [pid 611] <... setpgid resumed>) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 610] write(1, "executing program\n", 18) = 18 [pid 610] mkdirat(AT_FDCWD, "./config", 0777 [pid 611] <... openat resumed>) = 3 [pid 607] <... close resumed>) = 0 executing program [pid 610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 610] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 611] write(1, "executing program\n", 18) = 18 executing program [pid 611] mkdirat(AT_FDCWD, "./config", 0777 [pid 607] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 607] <... write resumed>) = 18 executing program [pid 611] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 607] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 607] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] <... mkdirat resumed>) = 0 [pid 610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 610] rmdir("./config/usb_gadget/g1") = 0 [pid 607] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 611] <... mkdirat resumed>) = 0 [pid 609] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 612 [pid 610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 611] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x555579e166a0, 24) = 0 [pid 612] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 609] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 610] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 610] exit_group(0) = ? [pid 610] +++ exited with 0 +++ [pid 611] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 611] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 611] <... exit_group resumed>) = ? [pid 611] +++ exited with 0 +++ [pid 607] <... mkdirat resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 607] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 613 attached [pid 612] <... prctl resumed>) = 0 [pid 609] exit_group(0 [pid 607] <... rmdir resumed>) = 0 [pid 612] setpgid(0, 0 [pid 609] <... exit_group resumed>) = ? [pid 607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 614 attached [pid 613] set_robust_list(0x555579e166a0, 24 [pid 609] +++ exited with 0 +++ [pid 607] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 613 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 614 [pid 612] <... setpgid resumed>) = 0 [pid 607] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] <... set_robust_list resumed>) = 0 [pid 613] rt_sigprocmask(SIG_SETMASK, [] [pid 607] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 607] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 613] <... openat resumed>) = 3 [pid 612] <... openat resumed>) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] write(1, "executing program\n", 18) = 18 executing program [pid 613] mkdirat(AT_FDCWD, "./config", 0777 [pid 614] set_robust_list(0x555579e166a0, 24 [pid 612] write(3, "1000", 4 [pid 613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 613] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 612] <... write resumed>) = 4 [pid 614] <... set_robust_list resumed>) = 0 [pid 613] <... mkdirat resumed>) = 0 [pid 612] close(3 [pid 613] rmdir("./config/usb_gadget/g1" [pid 614] rt_sigprocmask(SIG_SETMASK, [] [pid 612] <... close resumed>) = 0 [pid 614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 613] <... rmdir resumed>) = 0 [pid 612] write(1, "executing program\n", 18 executing program [pid 613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 612] <... write resumed>) = 18 [pid 613] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 614] <... prctl resumed>) = 0 [pid 612] mkdirat(AT_FDCWD, "./config", 0777 [pid 613] exit_group(0) = ? [pid 614] setpgid(0, 0 [pid 613] +++ exited with 0 +++ [pid 612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 614] <... setpgid resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 612] mount(NULL, "./config", "configfs", 0, NULL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 612] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 614] <... openat resumed>) = 3 [pid 612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3 [pid 612] <... mkdirat resumed>) = 0 [pid 614] <... close resumed>) = 0 [pid 612] rmdir("./config/usb_gadget/g1" [pid 614] write(1, "executing program\n", 18) = 18 executing program [pid 614] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 614] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 612] <... rmdir resumed>) = 0 [pid 614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 614] rmdir("./config/usb_gadget/g1") = 0 [pid 614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 614] exit_group(0) = ? [pid 614] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 612] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 612] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 612] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 615 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 616 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 615 attached [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 617 [pid 612] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 615] set_robust_list(0x555579e166a0, 24) = 0 [pid 615] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 618 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 618 attached [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 617 attached [pid 618] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 616 attached ) = 0 [pid 616] set_robust_list(0x555579e166a0, 24) = 0 [pid 616] rt_sigprocmask(SIG_SETMASK, [] [pid 618] rt_sigprocmask(SIG_SETMASK, [] [pid 616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 617] set_robust_list(0x555579e166a0, 24 [pid 618] <... prctl resumed>) = 0 [pid 615] <... openat resumed>) = 3 [pid 616] <... openat resumed>) = 3 [pid 618] setpgid(0, 0 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] write(1, "executing program\n", 18 [pid 618] <... setpgid resumed>) = 0 [pid 616] <... write resumed>) = 18 executing program [pid 616] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 616] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 617] <... set_robust_list resumed>) = 0 [pid 615] write(3, "1000", 4 [pid 616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 618] <... openat resumed>) = 3 executing program [pid 617] rt_sigprocmask(SIG_SETMASK, [] [pid 616] <... mkdirat resumed>) = 0 [pid 616] rmdir("./config/usb_gadget/g1" [pid 615] <... write resumed>) = 4 [pid 616] <... rmdir resumed>) = 0 [pid 615] close(3) = 0 [pid 615] write(1, "executing program\n", 18) = 18 [pid 615] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 615] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 616] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 618] write(3, "1000", 4 [pid 617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 618] <... write resumed>) = 4 [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 618] close(3 [pid 617] <... prctl resumed>) = 0 [pid 307] <... 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, child_tidptr=0x555579e16690) = 619 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] <... mkdirat resumed>) = 0 [pid 616] exit_group(0) = ? [pid 618] <... close resumed>) = 0 [pid 617] setpgid(0, 0 [pid 615] rmdir("./config/usb_gadget/g1" executing program [pid 618] write(1, "executing program\n", 18 [pid 617] <... setpgid resumed>) = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 618] <... write resumed>) = 18 [pid 618] mkdirat(AT_FDCWD, "./config", 0777 [pid 617] <... openat resumed>) = 3 [pid 616] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 617] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 620 [pid 618] mount(NULL, "./config", "configfs", 0, NULL [pid 617] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 617] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 618] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 617] <... close resumed>) = 0 [pid 618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 617] write(1, "executing program\n", 18) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 620 attached [pid 617] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 620] set_robust_list(0x555579e166a0, 24 [pid 617] mount(NULL, "./config", "configfs", 0, NULL [pid 615] <... rmdir resumed>) = 0 [pid 615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 615] exit_group(0) = ? [pid 617] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 615] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x555579e166a0, 24) = 0 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 619] <... openat resumed>) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 618] <... mkdirat resumed>) = 0 [pid 617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 619] close(3) = 0 [pid 619] write(1, "executing program\n", 18) = 18 executing program [pid 619] mkdirat(AT_FDCWD, "./config", 0777 [pid 620] <... set_robust_list resumed>) = 0 [pid 618] rmdir("./config/usb_gadget/g1" [pid 617] rmdir("./config/usb_gadget/g1" [pid 619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 619] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 617] <... rmdir resumed>) = 0 [pid 618] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 617] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 618] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 617] exit_group(0 [pid 618] exit_group(0 [pid 617] <... exit_group resumed>) = ? [pid 618] <... exit_group resumed>) = ? [pid 617] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 618] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 620] setpgid(0, 0) = 0 [pid 619] <... mkdirat resumed>) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] write(1, "executing program\n", 18 [pid 619] rmdir("./config/usb_gadget/g1" [pid 620] <... write resumed>) = 18 executing program [pid 620] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 620] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 619] <... rmdir resumed>) = 0 [pid 619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 619] exit_group(0) = ? [pid 620] <... mkdirat resumed>) = 0 [pid 620] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 619] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... 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 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 620] <... rmdir resumed>) = 0 [pid 620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 620] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 621 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 622 [pid 620] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 623 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 623 attached ci2-android-5-15/strace-static-x86_64: Process 622 attached ci2-android-5-15/strace-static-x86_64: Process 621 attached [pid 620] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 623] set_robust_list(0x555579e166a0, 24 [pid 622] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 623] <... set_robust_list resumed>) = 0 [pid 622] <... set_robust_list resumed>) = 0 [pid 621] set_robust_list(0x555579e166a0, 24 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 623] rt_sigprocmask(SIG_SETMASK, [] [pid 622] rt_sigprocmask(SIG_SETMASK, [] [pid 621] <... set_robust_list resumed>) = 0 [pid 623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 621] rt_sigprocmask(SIG_SETMASK, [] [pid 623] <... openat resumed>) = 3 [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 [pid 623] write(1, "executing program\n", 18) = 18 executing program [pid 623] mkdirat(AT_FDCWD, "./config", 0777 [pid 622] <... prctl resumed>) = 0 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 622] setpgid(0, 0 [pid 623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 622] <... setpgid resumed>) = 0 [pid 621] <... prctl resumed>) = 0 [pid 623] mount(NULL, "./config", "configfs", 0, NULL [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 621] setpgid(0, 0 [pid 623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 622] <... openat resumed>) = 3 [pid 621] <... setpgid resumed>) = 0 [pid 622] write(3, "1000", 4 [pid 623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 622] <... write resumed>) = 4 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] close(3 [pid 623] <... mkdirat resumed>) = 0 [pid 622] <... close resumed>) = 0 [pid 621] <... openat resumed>) = 3 [pid 623] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 623] <... rmdir resumed>) = 0 executing program [ 28.944821][ T609] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.944821][ T609] 7) [pid 622] write(1, "executing program\n", 18 [pid 621] write(3, "1000", 4 [pid 623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 622] <... write resumed>) = 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 623] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 622] mkdirat(AT_FDCWD, "./config", 0777 [pid 621] <... write resumed>) = 4 [pid 623] exit_group(0 [pid 622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 621] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 623] <... exit_group resumed>) = ? [pid 622] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 621] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 621] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 624 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 623] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 625 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 622] <... mkdirat resumed>) = 0 [pid 621] <... write resumed>) = 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 622] rmdir("./config/usb_gadget/g1" [pid 621] mkdirat(AT_FDCWD, "./config", 0777 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 625 attached [pid 624] setpgid(0, 0 [pid 622] <... rmdir resumed>) = 0 [pid 621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 621] mount(NULL, "./config", "configfs", 0, NULL [pid 622] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 621] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 625] set_robust_list(0x555579e166a0, 24) = 0 [pid 624] <... setpgid resumed>) = 0 [pid 621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 622] exit_group(0 [pid 625] rt_sigprocmask(SIG_SETMASK, [] [pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] <... exit_group resumed>) = ? [pid 621] <... mkdirat resumed>) = 0 [pid 622] +++ exited with 0 +++ [pid 621] rmdir("./config/usb_gadget/g1" [pid 625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 624] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 621] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 621] exit_group(0) = ? [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 624] write(3, "1000", 4 [pid 621] +++ exited with 0 +++ [pid 625] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 625] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 625] <... setpgid resumed>) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 624] <... write resumed>) = 4 [pid 624] close(3 [pid 625] <... openat resumed>) = 3 [pid 624] <... close resumed>) = 0 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] write(1, "executing program\n", 18) = 18 [pid 625] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 624] write(1, "executing program\n", 18 [pid 625] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 624] <... write resumed>) = 18 [pid 624] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 624] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 625] <... mkdirat resumed>) = 0 [pid 624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 624] rmdir("./config/usb_gadget/g1" [pid 625] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 624] <... rmdir resumed>) = 0 [pid 624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 624] exit_group(0) = ? [pid 625] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 624] +++ exited with 0 +++ [pid 625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 625] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 625] exit_group(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 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 625] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 627 attached ci2-android-5-15/strace-static-x86_64: Process 628 attached ci2-android-5-15/strace-static-x86_64: Process 626 attached [pid 625] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 626 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 627] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 627 [pid 628] set_robust_list(0x555579e166a0, 24 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 628 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 627] <... set_robust_list resumed>) = 0 [pid 626] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 629 ci2-android-5-15/strace-static-x86_64: Process 629 attached [pid 628] <... set_robust_list resumed>) = 0 [pid 627] rt_sigprocmask(SIG_SETMASK, [] [pid 626] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 628] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 626] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 627] <... prctl resumed>) = 0 [pid 629] set_robust_list(0x555579e166a0, 24 [pid 628] <... prctl resumed>) = 0 [pid 627] setpgid(0, 0 [pid 626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 629] <... set_robust_list resumed>) = 0 [pid 628] setpgid(0, 0 [pid 627] <... setpgid resumed>) = 0 [pid 628] <... setpgid resumed>) = 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [] [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 628] <... openat resumed>) = 3 [pid 627] <... openat resumed>) = 3 [pid 628] write(3, "1000", 4 [pid 627] write(3, "1000", 4 [pid 626] <... prctl resumed>) = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 628] <... write resumed>) = 4 [pid 627] <... write resumed>) = 4 [pid 628] close(3 [pid 627] close(3 [pid 626] setpgid(0, 0 executing program [pid 629] <... prctl resumed>) = 0 [pid 628] <... close resumed>) = 0 [pid 627] <... close resumed>) = 0 [pid 629] setpgid(0, 0 [pid 628] write(1, "executing program\n", 18 [pid 627] write(1, "executing program\n", 18 [pid 629] <... setpgid resumed>) = 0 [pid 628] <... write resumed>) = 18 executing program [pid 627] <... write resumed>) = 18 [pid 628] mkdirat(AT_FDCWD, "./config", 0777 [pid 626] <... setpgid resumed>) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 627] mkdirat(AT_FDCWD, "./config", 0777 [pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 629] <... openat resumed>) = 3 [pid 628] mount(NULL, "./config", "configfs", 0, NULL [pid 627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 626] <... openat resumed>) = 3 [pid 629] write(3, "1000", 4 [pid 628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 627] mount(NULL, "./config", "configfs", 0, NULL [pid 626] write(3, "1000", 4 [pid 629] <... write resumed>) = 4 [pid 628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 626] <... write resumed>) = 4 [pid 627] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 626] close(3) = 0 [pid 626] write(1, "executing program\n", 18) = 18 [pid 626] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 626] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 629] close(3) = 0 [pid 629] write(1, "executing program\n", 18) = 18 [pid 629] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 629] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 628] <... mkdirat resumed>) = 0 [pid 627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 628] rmdir("./config/usb_gadget/g1" [pid 627] rmdir("./config/usb_gadget/g1" [pid 629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 626] rmdir("./config/usb_gadget/g1" [pid 629] <... mkdirat resumed>) = 0 [pid 628] <... rmdir resumed>) = 0 [pid 626] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 629] rmdir("./config/usb_gadget/g1" [pid 628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 629] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 628] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 627] <... rmdir resumed>) = 0 [pid 626] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 628] exit_group(0 [pid 626] exit_group(0 [pid 629] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 628] <... exit_group resumed>) = ? [pid 626] <... exit_group resumed>) = ? [pid 627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 627] exit_group(0 [pid 628] +++ exited with 0 +++ [pid 627] <... exit_group resumed>) = ? [pid 629] exit_group(0 [pid 627] +++ exited with 0 +++ [pid 626] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 629] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 629] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 630 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 630 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 630] set_robust_list(0x555579e166a0, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 630] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 631 attached [pid 630] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 631 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 631] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 630] setpgid(0, 0) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 631] <... set_robust_list resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 632 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 633 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 630] write(3, "1000", 4) = 4 [pid 630] close(3) = 0 [pid 630] write(1, "executing program\n", 18) = 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 634 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 630] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 630] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 634 attached ci2-android-5-15/strace-static-x86_64: Process 633 attached ci2-android-5-15/strace-static-x86_64: Process 632 attached [pid 631] <... prctl resumed>) = 0 [pid 630] <... mkdirat resumed>) = 0 [pid 630] rmdir("./config/usb_gadget/g1") = 0 [pid 630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 630] exit_group(0) = ? [pid 630] +++ exited with 0 +++ [pid 631] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 634] set_robust_list(0x555579e166a0, 24) = 0 [pid 634] rt_sigprocmask(SIG_SETMASK, [] [pid 633] set_robust_list(0x555579e166a0, 24 [pid 632] set_robust_list(0x555579e166a0, 24 [pid 631] <... setpgid resumed>) = 0 [pid 634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0) = 0 [pid 633] <... set_robust_list resumed>) = 0 [pid 632] <... set_robust_list resumed>) = 0 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 633] rt_sigprocmask(SIG_SETMASK, [] [pid 632] rt_sigprocmask(SIG_SETMASK, [] [pid 631] <... openat resumed>) = 3 [pid 634] <... openat resumed>) = 3 [pid 631] write(3, "1000", 4 [pid 633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 [pid 631] <... write resumed>) = 4 executing program [pid 634] write(1, "executing program\n", 18) = 18 [pid 634] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 634] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 631] close(3 [pid 634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 631] <... close resumed>) = 0 [pid 633] <... prctl resumed>) = 0 executing program [pid 631] write(1, "executing program\n", 18 [pid 634] <... mkdirat resumed>) = 0 [pid 633] setpgid(0, 0 [pid 632] <... prctl resumed>) = 0 [pid 631] <... write resumed>) = 18 [pid 634] rmdir("./config/usb_gadget/g1") = 0 [pid 631] mkdirat(AT_FDCWD, "./config", 0777 [pid 634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 634] exit_group(0 [pid 633] <... setpgid resumed>) = 0 [pid 632] setpgid(0, 0 [pid 631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 634] <... exit_group resumed>) = ? [pid 631] mount(NULL, "./config", "configfs", 0, NULL [pid 634] +++ exited with 0 +++ [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 632] <... setpgid resumed>) = 0 [pid 631] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 631] <... mkdirat resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 635 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 635 attached [pid 635] set_robust_list(0x555579e166a0, 24) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 635] setpgid(0, 0) = 0 [pid 631] rmdir("./config/usb_gadget/g1" [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 635] <... openat resumed>) = 3 [pid 635] write(3, "1000", 4) = 4 [pid 635] close(3) = 0 [pid 635] write(1, "executing program\n", 18) = 18 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 636 [pid 635] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 635] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x555579e166a0, 24) = 0 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 633] <... openat resumed>) = 3 [pid 631] <... rmdir resumed>) = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 633] write(3, "1000", 4 [pid 631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 633] <... write resumed>) = 4 [pid 632] <... openat resumed>) = 3 [pid 631] exit_group(0 [pid 633] close(3 [pid 632] write(3, "1000", 4 [pid 631] <... exit_group resumed>) = ? [pid 635] <... mkdirat resumed>) = 0 [pid 635] rmdir("./config/usb_gadget/g1" [pid 631] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 633] <... close resumed>) = 0 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 635] <... rmdir resumed>) = 0 [pid 635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 635] exit_group(0) = ? [pid 635] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program executing program [pid 633] write(1, "executing program\n", 18 [pid 632] <... write resumed>) = 4 [pid 636] <... prctl resumed>) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 633] <... write resumed>) = 18 [pid 632] close(3 [pid 633] mkdirat(AT_FDCWD, "./config", 0777 [pid 632] <... close resumed>) = 0 [pid 636] <... openat resumed>) = 3 [pid 636] write(3, "1000", 4) = 4 [pid 636] close(3) = 0 executing program [pid 636] write(1, "executing program\n", 18) = 18 [pid 633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 632] write(1, "executing program\n", 18 [pid 636] mkdirat(AT_FDCWD, "./config", 0777 [pid 633] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 632] <... write resumed>) = 18 [pid 632] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 632] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 633] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 632] rmdir("./config/usb_gadget/g1") = 0 [pid 632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 632] exit_group(0) = ? [pid 632] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 633] rmdir("./config/usb_gadget/g1" [pid 636] mount(NULL, "./config", "configfs", 0, NULL [pid 633] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 636] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 633] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 636] <... mkdirat resumed>) = 0 [pid 636] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 633] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 637 attached ) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 637 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] <... rmdir resumed>) = 0 [pid 633] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 636] exit_group(0) = ? [pid 637] set_robust_list(0x555579e166a0, 24 [pid 636] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 637] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, 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] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 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 308] <... clone resumed>, child_tidptr=0x555579e16690) = 638 ci2-android-5-15/strace-static-x86_64: Process 638 attached [pid 638] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 640 attached ci2-android-5-15/strace-static-x86_64: Process 639 attached [pid 637] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 639 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 638] setpgid(0, 0) = 0 [pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 640 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 638] <... openat resumed>) = 3 [pid 638] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 641 [pid 638] <... write resumed>) = 4 [pid 638] close(3 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] <... close resumed>) = 0 [pid 638] write(1, "executing program\n", 18) = 18 executing program [pid 638] mkdirat(AT_FDCWD, "./config", 0777 [pid 637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 638] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 638] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 639] set_robust_list(0x555579e166a0, 24 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 640] set_robust_list(0x555579e166a0, 24 [pid 637] <... prctl resumed>) = 0 [pid 639] <... set_robust_list resumed>) = 0 [pid 640] <... set_robust_list resumed>) = 0 [pid 638] <... mkdirat resumed>) = 0 [pid 638] rmdir("./config/usb_gadget/g1" [pid 637] setpgid(0, 0 [pid 638] <... rmdir resumed>) = 0 [pid 638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 638] exit_group(0) = ? [pid 637] <... setpgid resumed>) = 0 [pid 638] +++ exited with 0 +++ [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 640] rt_sigprocmask(SIG_SETMASK, [] [pid 637] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 637] write(3, "1000", 4) = 4 ci2-android-5-15/strace-static-x86_64: Process 641 attached [pid 641] set_robust_list(0x555579e166a0, 24 [pid 637] close(3 [pid 641] <... set_robust_list resumed>) = 0 [pid 639] rt_sigprocmask(SIG_SETMASK, [] [pid 637] <... close resumed>) = 0 [pid 641] rt_sigprocmask(SIG_SETMASK, [] [pid 637] write(1, "executing program\n", 18 [pid 641] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 637] <... write resumed>) = 18 [pid 641] <... prctl resumed>) = 0 [pid 641] setpgid(0, 0) = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 641] write(3, "1000", 4 [pid 637] mkdirat(AT_FDCWD, "./config", 0777 [pid 640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 641] <... write resumed>) = 4 [pid 641] close(3) = 0 [pid 637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 641] write(1, "executing program\n", 18 [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 637] mount(NULL, "./config", "configfs", 0, NULL [pid 640] <... prctl resumed>) = 0 [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 641] <... write resumed>) = 18 [pid 640] setpgid(0, 0 [pid 639] <... prctl resumed>) = 0 [pid 637] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 640] <... setpgid resumed>) = 0 [pid 639] setpgid(0, 0 [pid 641] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 641] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 639] <... setpgid resumed>) = 0 [pid 637] <... mkdirat resumed>) = 0 [pid 637] rmdir("./config/usb_gadget/g1" [pid 640] <... openat resumed>) = 3 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 637] <... rmdir resumed>) = 0 [pid 637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 637] exit_group(0) = ? [pid 640] write(3, "1000", 4 [pid 639] <... openat resumed>) = 3 [pid 640] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 640] close(3 [pid 639] write(3, "1000", 4 [pid 640] <... close resumed>) = 0 [pid 639] <... write resumed>) = 4 [pid 640] write(1, "executing program\n", 18 [pid 639] close(3 [pid 637] +++ exited with 0 +++ executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 640] <... write resumed>) = 18 [pid 639] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, 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 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 640] mkdirat(AT_FDCWD, "./config", 0777 [pid 639] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 642 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 639] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] mount(NULL, "./config", "configfs", 0, NULL [pid 639] mkdirat(AT_FDCWD, "./config", 0777 [pid 641] <... mkdirat resumed>) = 0 [pid 641] rmdir("./config/usb_gadget/g1" [pid 640] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 641] <... rmdir resumed>) = 0 [pid 641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 641] exit_group(0) = ? [pid 641] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 639] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 642 attached [pid 642] set_robust_list(0x555579e166a0, 24) = 0 [pid 642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3) = 0 [pid 639] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 642] write(1, "executing program\n", 18) = 18 [pid 642] mkdirat(AT_FDCWD, "./config", 0777 [pid 640] <... mkdirat resumed>) = 0 executing program executing program [pid 639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 642] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 640] rmdir("./config/usb_gadget/g1" [pid 639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 642] rmdir("./config/usb_gadget/g1" [pid 640] <... rmdir resumed>) = 0 [pid 639] rmdir("./config/usb_gadget/g1" [pid 640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 640] exit_group(0) = ? [pid 642] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 639] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... restart_syscall resumed>) = 0 [pid 642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 642] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 639] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 642] exit_group(0 [pid 639] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 643 attached [pid 642] <... exit_group resumed>) = ? [pid 639] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 643 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 640] +++ exited with 0 +++ [pid 643] set_robust_list(0x555579e166a0, 24) = 0 [pid 643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 639] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 642] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 643] <... prctl resumed>) = 0 [pid 643] setpgid(0, 0) = 0 [pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 643] write(3, "1000", 4) = 4 [pid 643] close(3) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 643] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... 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 305] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 643] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 645 attached ci2-android-5-15/strace-static-x86_64: Process 646 attached [pid 643] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 644 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 645 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 646 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 644 attached [pid 644] set_robust_list(0x555579e166a0, 24) = 0 [pid 644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 644] <... openat resumed>) = 3 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3) = 0 [pid 644] write(1, "executing program\n", 18 [pid 643] mount(NULL, "./config", "configfs", 0, NULL [pid 644] <... write resumed>) = 18 executing program [pid 644] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 644] mount(NULL, "./config", "configfs", 0, NULL [pid 643] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 647 [pid 643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 644] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 646] set_robust_list(0x555579e166a0, 24 [pid 645] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 645] <... set_robust_list resumed>) = 0 [pid 644] <... mkdirat resumed>) = 0 [pid 644] rmdir("./config/usb_gadget/g1" [pid 643] rmdir("./config/usb_gadget/g1" [pid 646] <... set_robust_list resumed>) = 0 [pid 645] rt_sigprocmask(SIG_SETMASK, [] [pid 644] <... rmdir resumed>) = 0 [pid 643] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 644] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 643] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 644] exit_group(0 [pid 643] exit_group(0 [pid 644] <... exit_group resumed>) = ? [pid 643] <... exit_group resumed>) = ? [pid 644] +++ exited with 0 +++ [pid 643] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 647 attached [pid 647] set_robust_list(0x555579e166a0, 24) = 0 [pid 647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 executing program [pid 647] close(3) = 0 [pid 647] write(1, "executing program\n", 18) = 18 [pid 647] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 647] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 646] rt_sigprocmask(SIG_SETMASK, [] [pid 645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 647] <... mkdirat resumed>) = 0 [pid 647] rmdir("./config/usb_gadget/g1" [pid 645] <... prctl resumed>) = 0 [pid 646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 645] setpgid(0, 0) = 0 [pid 647] <... rmdir resumed>) = 0 [pid 647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 647] exit_group(0) = ? [pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 645] <... openat resumed>) = 3 [pid 646] <... prctl resumed>) = 0 [pid 645] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 645] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 646] setpgid(0, 0 [pid 645] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 648 [pid 645] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 646] <... setpgid resumed>) = 0 [pid 645] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 648 attached ) = 18 [pid 647] +++ exited with 0 +++ [pid 645] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 645] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 645] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 648] set_robust_list(0x555579e166a0, 24 [pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 645] <... mkdirat resumed>) = 0 [pid 645] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall 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=0x555579e16690) = 649 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 649 attached [pid 645] <... rmdir resumed>) = 0 [pid 649] set_robust_list(0x555579e166a0, 24) = 0 [pid 649] rt_sigprocmask(SIG_SETMASK, [] [pid 645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 645] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 645] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 649] <... prctl resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 645] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 649] setpgid(0, 0) = 0 [pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 649] write(3, "1000", 4) = 4 [pid 649] close(3) = 0 [pid 649] write(1, "executing program\n", 18) = 18 [pid 649] mkdirat(AT_FDCWD, "./config", 0777 [pid 645] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 650 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 646] <... openat resumed>) = 3 [pid 649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 649] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 646] write(3, "1000", 4 [pid 648] <... set_robust_list resumed>) = 0 [pid 648] rt_sigprocmask(SIG_SETMASK, [] [pid 646] <... write resumed>) = 4 [pid 649] <... mkdirat resumed>) = 0 [pid 649] rmdir("./config/usb_gadget/g1" [pid 646] close(3) = 0 [pid 648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 646] write(1, "executing program\n", 18) = 18 executing program [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 646] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 649] <... rmdir resumed>) = 0 [pid 649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 646] mount(NULL, "./config", "configfs", 0, NULL [pid 649] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 649] exit_group(0) = ? [pid 646] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 648] <... prctl resumed>) = 0 [pid 646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 649] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 650 attached [pid 650] set_robust_list(0x555579e166a0, 24) = 0 [pid 650] rt_sigprocmask(SIG_SETMASK, [] [pid 648] setpgid(0, 0 [pid 646] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 646] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 648] <... setpgid resumed>) = 0 [pid 646] <... rmdir resumed>) = 0 [pid 646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 651 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 646] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 650] setpgid(0, 0) = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 646] exit_group(0) = ? [pid 650] <... openat resumed>) = 3 [pid 650] write(3, "1000", 4) = 4 [pid 650] close(3) = 0 [pid 650] write(1, "executing program\n", 18) = 18 executing program [pid 650] mkdirat(AT_FDCWD, "./config", 0777 [pid 646] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 650] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 648] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 652 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 648] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 652 attached [pid 650] <... mkdirat resumed>) = 0 [pid 650] rmdir("./config/usb_gadget/g1" [pid 652] set_robust_list(0x555579e166a0, 24 [pid 648] <... write resumed>) = 4 [pid 648] close(3) = 0 [pid 648] write(1, "executing program\n", 18 [pid 652] <... set_robust_list resumed>) = 0 executing program [pid 648] <... write resumed>) = 18 [pid 650] <... rmdir resumed>) = 0 [pid 650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 648] mkdirat(AT_FDCWD, "./config", 0777 [pid 650] exit_group(0) = ? [pid 648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 648] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 652] rt_sigprocmask(SIG_SETMASK, [] [pid 650] +++ exited with 0 +++ [pid 648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 651 attached [pid 652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 651] set_robust_list(0x555579e166a0, 24) = 0 [pid 651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 653 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 654 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 654 attached ci2-android-5-15/strace-static-x86_64: Process 653 attached [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 651] <... openat resumed>) = 3 [pid 648] <... mkdirat resumed>) = 0 [pid 652] <... prctl resumed>) = 0 [pid 648] rmdir("./config/usb_gadget/g1" [pid 654] set_robust_list(0x555579e166a0, 24 [pid 653] set_robust_list(0x555579e166a0, 24 [pid 651] write(3, "1000", 4 [pid 654] <... set_robust_list resumed>) = 0 [pid 654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 653] <... set_robust_list resumed>) = 0 [pid 652] setpgid(0, 0 [pid 651] <... write resumed>) = 4 [pid 648] <... rmdir resumed>) = 0 [pid 652] <... setpgid resumed>) = 0 [pid 648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 653] rt_sigprocmask(SIG_SETMASK, [] [pid 651] close(3 [pid 648] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 654] <... prctl resumed>) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] write(1, "executing program\n", 18) = 18 [pid 654] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 648] exit_group(0 [pid 654] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 652] <... openat resumed>) = 3 [pid 651] <... close resumed>) = 0 [pid 648] <... exit_group resumed>) = ? [pid 652] write(3, "1000", 4 [pid 648] +++ exited with 0 +++ [pid 654] rmdir("./config/usb_gadget/g1" [pid 651] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 652] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 652] close(3 [pid 651] <... write resumed>) = 18 executing program [pid 651] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 651] mount(NULL, "./config", "configfs", 0, NULL [pid 652] <... close resumed>) = 0 [pid 651] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 652] write(1, "executing program\n", 18 [pid 651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 652] <... write resumed>) = 18 [pid 653] <... prctl resumed>) = 0 [pid 653] setpgid(0, 0) = 0 [pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 652] mkdirat(AT_FDCWD, "./config", 0777 [pid 653] <... openat resumed>) = 3 [pid 652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 653] write(3, "1000", 4) = 4 [pid 653] close(3) = 0 executing program [pid 653] write(1, "executing program\n", 18) = 18 [pid 653] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 653] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 652] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 654] <... rmdir resumed>) = 0 [pid 654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 654] exit_group(0 [pid 652] <... mkdirat resumed>) = 0 [pid 651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 652] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 654] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 652] <... rmdir resumed>) = 0 [pid 651] rmdir("./config/usb_gadget/g1" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 654] +++ exited with 0 +++ [pid 652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 653] <... mkdirat resumed>) = 0 [pid 652] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 655 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 652] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 655 attached ) = ? [pid 655] set_robust_list(0x555579e166a0, 24 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 655] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 655] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 655] setpgid(0, 0) = 0 [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 656 [pid 655] <... openat resumed>) = 3 [pid 652] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 655] write(3, "1000", 4) = 4 [pid 655] close(3) = 0 [pid 655] write(1, "executing program\n", 18) = 18 executing program [pid 655] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 655] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 656 attached [pid 656] set_robust_list(0x555579e166a0, 24) = 0 [pid 656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 653] rmdir("./config/usb_gadget/g1" [pid 651] <... rmdir resumed>) = 0 [pid 651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 651] exit_group(0) = ? [pid 651] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 656] <... prctl resumed>) = 0 [pid 656] setpgid(0, 0) = 0 [pid 655] <... mkdirat resumed>) = 0 [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 656] write(3, "1000", 4) = 4 [pid 656] close(3) = 0 [pid 656] write(1, "executing program\n", 18 [pid 655] rmdir("./config/usb_gadget/g1" [pid 653] <... rmdir resumed>) = 0 [pid 655] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 656] <... write resumed>) = 18 executing program [pid 655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 653] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 653] exit_group(0) = ? [pid 655] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 656] mkdirat(AT_FDCWD, "./config", 0777 [pid 655] exit_group(0) = ? [pid 656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 653] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 655] +++ exited with 0 +++ [pid 656] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 656] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 656] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 656] <... rmdir resumed>) = 0 [pid 656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall 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=0x555579e16690) = 657 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 656] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 656] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 656] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 658 [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 657 attached [pid 657] set_robust_list(0x555579e166a0, 24) = 0 [pid 657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 659 [pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 657] setpgid(0, 0) = 0 [pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 660 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 657] <... openat resumed>) = 3 [pid 657] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 657] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 657] close(3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 657] <... close resumed>) = 0 [pid 657] write(1, "executing program\n", 18) = 18 [pid 657] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 657] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 661 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 657] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 661 attached ) = 0 [pid 657] rmdir("./config/usb_gadget/g1") = 0 [pid 657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 657] exit_group(0) = ? [pid 657] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 659 attached [pid 659] set_robust_list(0x555579e166a0, 24) = 0 [pid 659] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 660 attached , NULL, 8) = 0 [pid 660] set_robust_list(0x555579e166a0, 24 [pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 660] <... set_robust_list resumed>) = 0 [pid 660] rt_sigprocmask(SIG_SETMASK, [] [pid 659] <... prctl resumed>) = 0 [pid 659] setpgid(0, 0) = 0 [pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 661] set_robust_list(0x555579e166a0, 24 [pid 660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 661] <... set_robust_list resumed>) = 0 [pid 659] <... openat resumed>) = 3 [pid 660] <... prctl resumed>) = 0 [pid 660] setpgid(0, 0) = 0 [pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 659] write(3, "1000", 4 [pid 660] <... openat resumed>) = 3 [pid 659] <... write resumed>) = 4 [pid 659] close(3) = 0 executing program [pid 659] write(1, "executing program\n", 18) = 18 [pid 659] mkdirat(AT_FDCWD, "./config", 0777 [pid 660] write(3, "1000", 4) = 4 [pid 660] close(3 [pid 659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 660] <... close resumed>) = 0 [pid 660] write(1, "executing program\n", 18) = 18 executing program [pid 659] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 660] mkdirat(AT_FDCWD, "./config", 0777 [pid 661] rt_sigprocmask(SIG_SETMASK, [] [pid 660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 661] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 658 attached [pid 660] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 658] set_robust_list(0x555579e166a0, 24 [pid 660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 661] <... prctl resumed>) = 0 [pid 659] <... mkdirat resumed>) = 0 [pid 660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 660] rmdir("./config/usb_gadget/g1") = 0 [pid 659] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... restart_syscall 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=0x555579e16690) = 662 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 661] setpgid(0, 0 [pid 658] <... set_robust_list resumed>) = 0 [pid 660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 659] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 660] exit_group(0 [pid 661] <... setpgid resumed>) = 0 [pid 659] exit_group(0 [pid 658] rt_sigprocmask(SIG_SETMASK, [] [pid 660] <... exit_group resumed>) = ? [pid 659] <... exit_group resumed>) = ? [pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 658] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 662 attached [pid 661] <... openat resumed>) = 3 [pid 658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 661] write(3, "1000", 4 [pid 658] <... prctl resumed>) = 0 [pid 659] +++ exited with 0 +++ [pid 661] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 661] close(3 [pid 660] +++ exited with 0 +++ [pid 661] <... close resumed>) = 0 [pid 662] set_robust_list(0x555579e166a0, 24 [pid 661] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 662] <... set_robust_list resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 661] <... write resumed>) = 18 [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 661] mkdirat(AT_FDCWD, "./config", 0777 [pid 658] setpgid(0, 0 [pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 662] setpgid(0, 0) = 0 [pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 661] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 658] <... setpgid resumed>) = 0 [pid 662] write(3, "1000", 4) = 4 [pid 662] close(3) = 0 [pid 662] write(1, "executing program\n", 18) = 18 [pid 662] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 662] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 661] mount(NULL, "./config", "configfs", 0, NULL [pid 662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 661] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 662] <... mkdirat resumed>) = 0 [pid 662] rmdir("./config/usb_gadget/g1") = 0 [pid 662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 662] exit_group(0) = ? [pid 662] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 658] <... openat resumed>) = 3 [pid 658] write(3, "1000", 4) = 4 [pid 658] close(3) = 0 [pid 658] write(1, "executing program\n", 18) = 18 [pid 658] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 658] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 661] <... mkdirat resumed>) = 0 [pid 661] rmdir("./config/usb_gadget/g1" [pid 658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 661] <... rmdir resumed>) = 0 [pid 658] rmdir("./config/usb_gadget/g1" [pid 661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 661] exit_group(0) = ? [pid 661] +++ exited with 0 +++ [pid 658] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall resumed>) = 0 [pid 658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 658] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 658] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 663 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 663 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 658] <... exit_group resumed>) = ? [pid 663] set_robust_list(0x555579e166a0, 24 [pid 658] +++ exited with 0 +++ [pid 663] <... set_robust_list resumed>) = 0 [pid 663] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... 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 663] <... prctl resumed>) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 664 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 663] close(3) = 0 [pid 663] write(1, "executing program\n", 18) = 18 [pid 663] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 663] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 665 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 663] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 663] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 666 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 663] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 663] <... exit_group resumed>) = ? [pid 663] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 667 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 665 attached [pid 665] set_robust_list(0x555579e166a0, 24 executing program [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 665] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 665] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 667 attached ) = 0 [pid 665] setpgid(0, 0) = 0 [pid 665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 667] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 664 attached [pid 664] set_robust_list(0x555579e166a0, 24) = 0 [pid 667] <... set_robust_list resumed>) = 0 [pid 664] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 666 attached [pid 666] set_robust_list(0x555579e166a0, 24 [pid 664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 666] <... set_robust_list resumed>) = 0 [pid 664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 666] rt_sigprocmask(SIG_SETMASK, [] [pid 664] <... prctl resumed>) = 0 [pid 664] setpgid(0, 0 [pid 666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 664] <... setpgid resumed>) = 0 [pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 666] <... prctl resumed>) = 0 [pid 666] setpgid(0, 0) = 0 [pid 664] <... openat resumed>) = 3 [pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 664] write(3, "1000", 4) = 4 [pid 664] close(3) = 0 [pid 664] write(1, "executing program\n", 18) = 18 executing program [pid 666] write(3, "1000", 4 [pid 664] mkdirat(AT_FDCWD, "./config", 0777 [pid 666] <... write resumed>) = 4 executing program [pid 666] close(3) = 0 [pid 664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 666] write(1, "executing program\n", 18) = 18 [pid 664] mount(NULL, "./config", "configfs", 0, NULL [pid 666] mkdirat(AT_FDCWD, "./config", 0777 [pid 664] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 666] mount(NULL, "./config", "configfs", 0, NULL [pid 664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 666] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 664] <... mkdirat resumed>) = 0 [pid 666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 666] rmdir("./config/usb_gadget/g1") = 0 [pid 664] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall 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=0x555579e16690) = 668 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] exit_group(0 [pid 667] rt_sigprocmask(SIG_SETMASK, [] [pid 664] exit_group(0 [pid 667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 666] <... exit_group resumed>) = ? [pid 664] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 668 attached [pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 666] +++ exited with 0 +++ [pid 665] <... openat resumed>) = 3 [pid 664] +++ exited with 0 +++ [pid 667] <... prctl resumed>) = 0 [pid 667] setpgid(0, 0) = 0 [pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 665] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 667] write(3, "1000", 4) = 4 [pid 667] close(3) = 0 [pid 667] write(1, "executing program\n", 18) = 18 executing program [pid 667] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 667] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 668] set_robust_list(0x555579e166a0, 24 [pid 665] <... write resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 665] close(3 [pid 667] rmdir("./config/usb_gadget/g1") = 0 [pid 667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 667] exit_group(0) = ? [pid 667] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 668] <... set_robust_list resumed>) = 0 [pid 668] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 668] setpgid(0, 0) = 0 [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 668] write(3, "1000", 4) = 4 [pid 668] close(3) = 0 [pid 668] write(1, "executing program\n", 18) = 18 [pid 668] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 668] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 670 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 669 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 671 [pid 668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 668] <... mkdirat resumed>) = 0 [pid 665] <... close resumed>) = 0 [pid 668] rmdir("./config/usb_gadget/g1") = 0 [pid 668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 668] exit_group(0) = ? [pid 668] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 669 attached [pid 669] set_robust_list(0x555579e166a0, 24) = 0 [pid 669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 670 attached ) = 0 [pid 669] setpgid(0, 0 [pid 670] set_robust_list(0x555579e166a0, 24 [pid 665] write(1, "executing program\n", 18 [pid 669] <... setpgid resumed>) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 670] <... set_robust_list resumed>) = 0 [pid 670] rt_sigprocmask(SIG_SETMASK, [] [pid 669] <... openat resumed>) = 3 executing program [pid 665] <... write resumed>) = 18 [pid 670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 670] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 671 attached ) = 0 [pid 669] write(3, "1000", 4 [pid 670] setpgid(0, 0 [pid 669] <... write resumed>) = 4 [pid 670] <... setpgid resumed>) = 0 [pid 671] set_robust_list(0x555579e166a0, 24 [pid 306] <... restart_syscall 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 665] mkdirat(AT_FDCWD, "./config", 0777 [pid 670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 669] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 672 ci2-android-5-15/strace-static-x86_64: Process 672 attached [pid 671] <... set_robust_list resumed>) = 0 [pid 670] <... openat resumed>) = 3 [pid 669] <... close resumed>) = 0 [pid 665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 671] rt_sigprocmask(SIG_SETMASK, [] [pid 670] write(3, "1000", 4 [pid 669] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 665] mount(NULL, "./config", "configfs", 0, NULL [pid 671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 670] <... write resumed>) = 4 [pid 669] <... write resumed>) = 18 executing program [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 670] close(3 [pid 669] mkdirat(AT_FDCWD, "./config", 0777 [pid 671] <... prctl resumed>) = 0 [pid 670] <... close resumed>) = 0 [pid 669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 671] setpgid(0, 0 [pid 670] write(1, "executing program\n", 18 [pid 669] mount(NULL, "./config", "configfs", 0, NULL [pid 665] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 671] <... setpgid resumed>) = 0 [pid 670] <... write resumed>) = 18 executing program [pid 669] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 670] mkdirat(AT_FDCWD, "./config", 0777 [pid 669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 672] set_robust_list(0x555579e166a0, 24 [pid 671] <... openat resumed>) = 3 [pid 670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 669] <... mkdirat resumed>) = 0 [pid 665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 671] write(3, "1000", 4 [pid 670] mount(NULL, "./config", "configfs", 0, NULL [pid 669] rmdir("./config/usb_gadget/g1" [pid 671] <... write resumed>) = 4 [pid 670] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 669] <... rmdir resumed>) = 0 [pid 671] close(3 [pid 670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 672] <... set_robust_list resumed>) = 0 [pid 671] <... close resumed>) = 0 [pid 670] <... mkdirat resumed>) = 0 [pid 665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 672] rt_sigprocmask(SIG_SETMASK, [] [pid 665] rmdir("./config/usb_gadget/g1" [pid 672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 671] write(1, "executing program\n", 18 executing program [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 671] <... write resumed>) = 18 [pid 670] rmdir("./config/usb_gadget/g1" [pid 669] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 671] mkdirat(AT_FDCWD, "./config", 0777 [pid 669] exit_group(0 [pid 671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 669] <... exit_group resumed>) = ? [pid 672] <... prctl resumed>) = 0 [pid 671] mount(NULL, "./config", "configfs", 0, NULL [pid 669] +++ exited with 0 +++ [pid 671] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 670] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 665] <... rmdir resumed>) = 0 [pid 671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 672] setpgid(0, 0 [pid 671] <... mkdirat resumed>) = 0 [pid 665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 672] <... setpgid resumed>) = 0 [pid 671] rmdir("./config/usb_gadget/g1" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 672] <... openat resumed>) = 3 [pid 670] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 670] exit_group(0) = ? [pid 670] +++ exited with 0 +++ [pid 672] write(3, "1000", 4) = 4 [pid 672] close(3) = 0 executing program [pid 672] write(1, "executing program\n", 18) = 18 [pid 672] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 672] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 673 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 673 attached [pid 673] set_robust_list(0x555579e166a0, 24 [pid 672] <... mkdirat resumed>) = 0 [pid 671] <... rmdir resumed>) = 0 [pid 665] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 672] rmdir("./config/usb_gadget/g1" [pid 671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 673] <... set_robust_list resumed>) = 0 [pid 672] <... rmdir resumed>) = 0 [pid 671] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 671] exit_group(0 [pid 673] rt_sigprocmask(SIG_SETMASK, [] [pid 672] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 671] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 672] exit_group(0 [pid 671] +++ exited with 0 +++ [pid 665] exit_group(0 [pid 673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 672] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 665] <... exit_group resumed>) = ? [pid 673] <... prctl resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 673] setpgid(0, 0 [pid 672] +++ exited with 0 +++ [pid 673] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 665] +++ exited with 0 +++ [pid 673] <... openat resumed>) = 3 [pid 673] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 673] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 673] close(3) = 0 executing program [pid 673] write(1, "executing program\n", 18) = 18 [pid 673] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 673] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 673] rmdir("./config/usb_gadget/g1") = 0 [pid 673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 673] exit_group(0) = ? [pid 673] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 675 attached ci2-android-5-15/strace-static-x86_64: Process 674 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 674 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 675] set_robust_list(0x555579e166a0, 24 [pid 674] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 675 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 676 attached [pid 675] <... set_robust_list resumed>) = 0 [pid 674] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 676 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 677 attached [pid 676] set_robust_list(0x555579e166a0, 24 [pid 675] rt_sigprocmask(SIG_SETMASK, [] [pid 674] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 677 [pid 677] set_robust_list(0x555579e166a0, 24 [pid 676] <... set_robust_list resumed>) = 0 [pid 675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 677] <... set_robust_list resumed>) = 0 [pid 676] rt_sigprocmask(SIG_SETMASK, [] [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 677] rt_sigprocmask(SIG_SETMASK, [] [pid 676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 675] <... prctl resumed>) = 0 [pid 674] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 675] setpgid(0, 0 [pid 674] setpgid(0, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 676] <... prctl resumed>) = 0 [pid 675] <... setpgid resumed>) = 0 [pid 674] <... setpgid resumed>) = 0 [pid 677] <... prctl resumed>) = 0 [pid 676] setpgid(0, 0 [pid 677] setpgid(0, 0 [pid 676] <... setpgid resumed>) = 0 [pid 677] <... setpgid resumed>) = 0 [pid 676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 676] <... openat resumed>) = 3 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 678 ci2-android-5-15/strace-static-x86_64: Process 678 attached [pid 677] <... openat resumed>) = 3 [pid 676] write(3, "1000", 4 [pid 677] write(3, "1000", 4 [pid 676] <... write resumed>) = 4 [pid 675] <... openat resumed>) = 3 [pid 677] <... write resumed>) = 4 [pid 676] close(3 [pid 674] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 677] close(3 [pid 676] <... close resumed>) = 0 [pid 675] write(3, "1000", 4 [pid 674] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 677] <... close resumed>) = 0 executing program [pid 676] write(1, "executing program\n", 18 [pid 675] <... write resumed>) = 4 [pid 674] <... write resumed>) = 4 [pid 677] write(1, "executing program\n", 18 [pid 676] <... write resumed>) = 18 [pid 675] close(3 [pid 674] close(3 [pid 677] <... write resumed>) = 18 executing program [pid 676] mkdirat(AT_FDCWD, "./config", 0777 [pid 675] <... close resumed>) = 0 [pid 674] <... close resumed>) = 0 [pid 677] mkdirat(AT_FDCWD, "./config", 0777 [pid 676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 675] write(1, "executing program\n", 18 executing program executing program [pid 674] write(1, "executing program\n", 18 [pid 677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 676] mount(NULL, "./config", "configfs", 0, NULL [pid 675] <... write resumed>) = 18 [pid 674] <... write resumed>) = 18 [pid 678] set_robust_list(0x555579e166a0, 24 [pid 677] mount(NULL, "./config", "configfs", 0, NULL [pid 676] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 675] mkdirat(AT_FDCWD, "./config", 0777 [pid 677] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 674] mkdirat(AT_FDCWD, "./config", 0777 [pid 678] <... set_robust_list resumed>) = 0 [pid 677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 678] rt_sigprocmask(SIG_SETMASK, [] [pid 676] <... mkdirat resumed>) = 0 [pid 675] mount(NULL, "./config", "configfs", 0, NULL [pid 674] mount(NULL, "./config", "configfs", 0, NULL [pid 678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 675] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 674] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 676] rmdir("./config/usb_gadget/g1" [pid 675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 678] <... prctl resumed>) = 0 [pid 677] rmdir("./config/usb_gadget/g1" [pid 676] <... rmdir resumed>) = 0 [pid 675] <... mkdirat resumed>) = 0 [pid 674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 678] setpgid(0, 0 [pid 677] <... rmdir resumed>) = 0 [pid 676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 675] rmdir("./config/usb_gadget/g1" [pid 674] rmdir("./config/usb_gadget/g1" [pid 678] <... setpgid resumed>) = 0 [pid 677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 676] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 675] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 674] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 677] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 676] exit_group(0 [pid 675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 677] exit_group(0 [pid 676] <... exit_group resumed>) = ? [pid 675] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 677] <... exit_group resumed>) = ? [pid 674] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 678] <... openat resumed>) = 3 [pid 678] write(3, "1000", 4) = 4 [pid 676] +++ exited with 0 +++ [pid 678] close(3 [pid 675] exit_group(0 [pid 674] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 678] <... close resumed>) = 0 [pid 675] <... exit_group resumed>) = ? [pid 674] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 678] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 678] <... write resumed>) = 18 [pid 678] mkdirat(AT_FDCWD, "./config", 0777 [pid 675] +++ exited with 0 +++ [pid 678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 674] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 678] mount(NULL, "./config", "configfs", 0, NULL [pid 677] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 678] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 680 [pid 678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 679 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 679 attached [pid 679] set_robust_list(0x555579e166a0, 24) = 0 [pid 679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 681 [pid 679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 679] setpgid(0, 0) = 0 [pid 679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 679] write(3, "1000", 4) = 4 [pid 679] close(3) = 0 [pid 679] write(1, "executing program\n", 18) = 18 [pid 679] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 679] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 678] <... mkdirat resumed>) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 680 attached [pid 680] set_robust_list(0x555579e166a0, 24 [pid 679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 679] rmdir("./config/usb_gadget/g1" [pid 680] <... set_robust_list resumed>) = 0 [pid 680] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 681 attached [pid 678] rmdir("./config/usb_gadget/g1" [pid 679] <... rmdir resumed>) = 0 [pid 680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 680] setpgid(0, 0) = 0 [pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 680] write(3, "1000", 4) = 4 [pid 678] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 679] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 680] close(3) = 0 [pid 679] exit_group(0 [pid 678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 681] set_robust_list(0x555579e166a0, 24 [pid 680] write(1, "executing program\n", 18) = 18 [pid 678] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 680] mkdirat(AT_FDCWD, "./config", 0777 [pid 679] <... exit_group resumed>) = ? [pid 681] <... set_robust_list resumed>) = 0 [pid 679] +++ exited with 0 +++ [pid 678] exit_group(0 [pid 680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 680] mount(NULL, "./config", "configfs", 0, NULL [pid 678] <... exit_group resumed>) = ? [pid 680] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 680] <... mkdirat resumed>) = 0 [pid 680] rmdir("./config/usb_gadget/g1") = 0 [pid 680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 680] exit_group(0) = ? [pid 680] +++ exited with 0 +++ [pid 678] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 681] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 681] <... prctl resumed>) = 0 [pid 681] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 682 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 682 [pid 682] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 681] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 682] <... set_robust_list resumed>) = 0 [pid 681] write(3, "1000", 4) = 4 [pid 682] rt_sigprocmask(SIG_SETMASK, [] [pid 681] close(3) = 0 [pid 681] write(1, "executing program\n", 18) = 18 executing program [pid 681] mkdirat(AT_FDCWD, "./config", 0777 [pid 682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 681] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 681] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 682] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 681] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 682] <... setpgid resumed>) = 0 [pid 306] <... restart_syscall 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 682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 684 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 683 [pid 682] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 682] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 682] <... write resumed>) = 4 [pid 682] close(3) = 0 [pid 682] write(1, "executing program\n", 18) = 18 [pid 682] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 682] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 683 attached ci2-android-5-15/strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x555579e166a0, 24 [pid 683] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 684] <... set_robust_list resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 684] rt_sigprocmask(SIG_SETMASK, [] [pid 683] <... set_robust_list resumed>) = 0 [pid 683] rt_sigprocmask(SIG_SETMASK, [] [pid 684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 685 [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 681] <... mkdirat resumed>) = 0 [pid 682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 682] rmdir("./config/usb_gadget/g1") = 0 [pid 682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 682] exit_group(0) = ? [pid 682] +++ exited with 0 +++ [pid 681] rmdir("./config/usb_gadget/g1" [pid 684] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 681] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 684] setpgid(0, 0) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 683] <... prctl resumed>) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 683] setpgid(0, 0) = 0 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 684] <... openat resumed>) = 3 [pid 681] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 683] <... openat resumed>) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 683] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 683] close(3) = 0 [pid 684] write(1, "executing program\n", 18 [pid 683] write(1, "executing program\n", 18 [pid 684] <... write resumed>) = 18 [pid 683] <... write resumed>) = 18 executing program executing program [pid 684] mkdirat(AT_FDCWD, "./config", 0777 [pid 683] mkdirat(AT_FDCWD, "./config", 0777 [pid 684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 684] mount(NULL, "./config", "configfs", 0, NULL [pid 683] mount(NULL, "./config", "configfs", 0, NULL [pid 684] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 683] <... mount resumed>) = -1 EBUSY (Device or resource busy) [ 29.193618][ T669] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.193618][ T669] 7) [ 29.207005][ T670] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.207005][ T670] 7) [ 29.218291][ T665] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.218291][ T665] 7) [pid 683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 683] <... mkdirat resumed>) = 0 [pid 684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 684] rmdir("./config/usb_gadget/g1") = 0 [pid 681] exit_group(0 [pid 683] rmdir("./config/usb_gadget/g1" [pid 684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 683] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 684] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 684] exit_group(0 [pid 683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 684] <... exit_group resumed>) = ? [pid 683] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 685 attached [pid 684] +++ exited with 0 +++ [pid 683] exit_group(0 [pid 681] <... exit_group resumed>) = ? [pid 683] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 683] +++ exited with 0 +++ [pid 681] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 685] set_robust_list(0x555579e166a0, 24 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 685] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 685] setpgid(0, 0) = 0 [pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 686 attached [pid 686] set_robust_list(0x555579e166a0, 24 [pid 685] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 686 [pid 686] <... set_robust_list resumed>) = 0 [pid 685] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 686] rt_sigprocmask(SIG_SETMASK, [] [pid 685] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 685] close(3 [pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 686] <... prctl resumed>) = 0 [pid 685] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 687 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 687 attached [pid 304] <... restart_syscall resumed>) = 0 [pid 685] write(1, "executing program\n", 18 [pid 687] set_robust_list(0x555579e166a0, 24 [pid 305] <... restart_syscall resumed>) = 0 [pid 685] <... write resumed>) = 18 [pid 686] setpgid(0, 0 [pid 687] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 686] <... setpgid resumed>) = 0 [pid 685] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 685] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 687] setpgid(0, 0) = 0 [pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 687] write(3, "1000", 4) = 4 [pid 687] close(3 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 688 [pid 685] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 689 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 685] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 687] <... close resumed>) = 0 [pid 687] write(1, "executing program\n", 18) = 18 executing program [pid 687] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 687] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 688 attached [pid 688] set_robust_list(0x555579e166a0, 24) = 0 [pid 688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 688] setpgid(0, 0) = 0 [pid 688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 688] write(3, "1000", 4) = 4 [pid 688] close(3) = 0 [pid 688] write(1, "executing program\n", 18 [pid 686] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 689 attached [pid 688] <... write resumed>) = 18 executing program [pid 688] mkdirat(AT_FDCWD, "./config", 0777 [pid 686] write(3, "1000", 4 [pid 685] <... mkdirat resumed>) = 0 [pid 687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 687] rmdir("./config/usb_gadget/g1") = 0 [pid 686] <... write resumed>) = 4 [pid 685] rmdir("./config/usb_gadget/g1" [pid 687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 687] exit_group(0) = ? [pid 686] close(3 [pid 685] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 686] <... close resumed>) = 0 [pid 686] write(1, "executing program\n", 18 executing program [pid 685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 686] <... write resumed>) = 18 [pid 687] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 689] set_robust_list(0x555579e166a0, 24) = 0 [pid 689] rt_sigprocmask(SIG_SETMASK, [] [pid 686] mkdirat(AT_FDCWD, "./config", 0777 [pid 688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 688] mount(NULL, "./config", "configfs", 0, NULL [pid 685] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 688] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 686] mount(NULL, "./config", "configfs", 0, NULL [pid 689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 685] exit_group(0 [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 686] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 685] <... exit_group resumed>) = ? [pid 689] setpgid(0, 0 [pid 686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 689] <... setpgid resumed>) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 688] <... mkdirat resumed>) = 0 [pid 689] write(3, "1000", 4) = 4 [pid 689] close(3) = 0 [pid 689] write(1, "executing program\n", 18) = 18 [pid 689] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 689] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 688] rmdir("./config/usb_gadget/g1" [pid 686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 686] rmdir("./config/usb_gadget/g1" [pid 685] +++ exited with 0 +++ executing program [pid 688] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 689] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 689] exit_group(0 [pid 686] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 689] <... exit_group resumed>) = ? [pid 689] +++ exited with 0 +++ [pid 686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 686] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 686] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 686] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 690 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 688] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 688] <... exit_group resumed>) = ? [pid 688] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... 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 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 690 attached [pid 690] set_robust_list(0x555579e166a0, 24) = 0 [pid 690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 691 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 690] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 690] <... setpgid resumed>) = 0 [pid 690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 692 [pid 690] <... openat resumed>) = 3 [pid 690] write(3, "1000", 4) = 4 [pid 690] close(3) = 0 [pid 690] write(1, "executing program\n", 18) = 18 [pid 690] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 693 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 690] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 693 attached ) = 0 [pid 690] rmdir("./config/usb_gadget/g1") = 0 [pid 690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 690] exit_group(0) = ? [pid 690] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 693] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 691 attached [pid 691] set_robust_list(0x555579e166a0, 24) = 0 [pid 691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 691] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 692 attached [pid 692] set_robust_list(0x555579e166a0, 24 [pid 691] <... prctl resumed>) = 0 [pid 691] setpgid(0, 0 [pid 692] <... set_robust_list resumed>) = 0 [pid 691] <... setpgid resumed>) = 0 [pid 692] rt_sigprocmask(SIG_SETMASK, [] [pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 692] setpgid(0, 0) = 0 [pid 691] write(3, "1000", 4 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 691] <... write resumed>) = 4 [pid 691] close(3) = 0 [pid 691] write(1, "executing program\n", 18) = 18 [pid 692] <... openat resumed>) = 3 executing program [pid 691] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 691] mount(NULL, "./config", "configfs", 0, NULL [pid 693] <... set_robust_list resumed>) = 0 [pid 692] write(3, "1000", 4) = 4 [pid 692] close(3 [pid 693] rt_sigprocmask(SIG_SETMASK, [] [pid 692] <... close resumed>) = 0 [pid 691] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 692] write(1, "executing program\n", 18 [pid 691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 692] <... write resumed>) = 18 [pid 691] <... mkdirat resumed>) = 0 [pid 692] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 692] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 692] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 691] rmdir("./config/usb_gadget/g1" [pid 692] <... rmdir resumed>) = 0 [pid 691] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 691] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 694 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 695 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 691] <... exit_group resumed>) = ? [pid 693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 691] +++ exited with 0 +++ [pid 692] exit_group(0) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 692] +++ exited with 0 +++ [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 694 attached ) = 0 [pid 693] <... prctl resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 693] setpgid(0, 0 [pid 694] set_robust_list(0x555579e166a0, 24 [pid 693] <... setpgid resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... 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 694] <... set_robust_list resumed>) = 0 [pid 694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 694] setpgid(0, 0) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 696 [pid 693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 694] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 697 [pid 693] <... openat resumed>) = 3 [pid 694] <... write resumed>) = 4 [pid 693] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 694] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 693] <... write resumed>) = 4 [pid 694] <... close resumed>) = 0 [pid 693] close(3 [pid 694] write(1, "executing program\n", 18) = 18 [pid 694] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 694] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 695 attached [pid 693] <... close resumed>) = 0 [pid 695] set_robust_list(0x555579e166a0, 24) = 0 [pid 695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 693] write(1, "executing program\n", 18 [pid 694] <... mkdirat resumed>) = 0 [pid 695] <... prctl resumed>) = 0 [pid 695] setpgid(0, 0) = 0 [pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 695] write(3, "1000", 4 [pid 694] rmdir("./config/usb_gadget/g1" [pid 695] <... write resumed>) = 4 [pid 693] <... write resumed>) = 18 [pid 695] close(3) = 0 executing program [pid 695] write(1, "executing program\n", 18) = 18 executing program [pid 695] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 695] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 694] <... rmdir resumed>) = 0 [pid 695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 697 attached ci2-android-5-15/strace-static-x86_64: Process 696 attached [pid 695] rmdir("./config/usb_gadget/g1" [pid 693] mkdirat(AT_FDCWD, "./config", 0777 [pid 694] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 697] set_robust_list(0x555579e166a0, 24 [pid 696] set_robust_list(0x555579e166a0, 24 [pid 694] exit_group(0) = ? [pid 695] <... rmdir resumed>) = 0 [pid 693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 694] +++ exited with 0 +++ [pid 697] <... set_robust_list resumed>) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [] [pid 693] mount(NULL, "./config", "configfs", 0, NULL [pid 696] <... set_robust_list resumed>) = 0 [pid 697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 696] rt_sigprocmask(SIG_SETMASK, [] [pid 695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 693] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 697] setpgid(0, 0) = 0 [pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 697] write(3, "1000", 4 [pid 696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 695] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 697] <... write resumed>) = 4 [pid 697] close(3) = 0 executing program [pid 697] write(1, "executing program\n", 18) = 18 [pid 697] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 697] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 697] rmdir("./config/usb_gadget/g1") = 0 [pid 697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 697] exit_group(0) = ? [pid 696] <... prctl resumed>) = 0 [pid 697] +++ exited with 0 +++ [pid 695] exit_group(0 [pid 693] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 698 attached [pid 696] setpgid(0, 0 [pid 693] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 696] <... setpgid resumed>) = 0 [pid 695] <... exit_group resumed>) = ? [pid 693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 698 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 698] set_robust_list(0x555579e166a0, 24) = 0 [pid 698] rt_sigprocmask(SIG_SETMASK, [] [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 693] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 698] setpgid(0, 0) = 0 [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 695] +++ exited with 0 +++ [pid 698] <... openat resumed>) = 3 [pid 696] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 696] write(3, "1000", 4 [pid 693] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 698] write(3, "1000", 4 [pid 693] <... exit_group resumed>) = ? [pid 696] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] <... write resumed>) = 4 [pid 698] close(3) = 0 [pid 698] write(1, "executing program\n", 18) = 18 executing program [pid 698] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 698] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 698] rmdir("./config/usb_gadget/g1" [pid 696] close(3 [pid 693] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 696] <... close resumed>) = 0 [pid 696] write(1, "executing program\n", 18 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 698] <... rmdir resumed>) = 0 executing program [pid 696] <... write resumed>) = 18 [pid 698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 696] mkdirat(AT_FDCWD, "./config", 0777 [pid 698] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 698] exit_group(0 [pid 696] mount(NULL, "./config", "configfs", 0, NULL [pid 698] <... exit_group resumed>) = ? [pid 698] +++ exited with 0 +++ [pid 696] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 696] <... mkdirat resumed>) = 0 [pid 696] rmdir("./config/usb_gadget/g1") = 0 [pid 696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 696] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 696] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 700 attached ci2-android-5-15/strace-static-x86_64: Process 699 attached [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 699] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 699 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 700 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 700] set_robust_list(0x555579e166a0, 24) = 0 [pid 700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 700] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 699] <... set_robust_list resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 701 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 702 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 700] <... setpgid resumed>) = 0 [pid 699] rt_sigprocmask(SIG_SETMASK, [] [pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 700] <... openat resumed>) = 3 [pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 700] write(3, "1000", 4 [pid 699] <... prctl resumed>) = 0 [pid 700] <... write resumed>) = 4 [pid 699] setpgid(0, 0 [pid 700] close(3) = 0 [pid 699] <... setpgid resumed>) = 0 [pid 700] write(1, "executing program\n", 18) = 18 [pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 700] mkdirat(AT_FDCWD, "./config", 0777 [pid 699] <... openat resumed>) = 3 [pid 700] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 699] write(3, "1000", 4 [pid 700] mount(NULL, "./config", "configfs", 0, NULL [pid 699] <... write resumed>) = 4 [pid 700] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 699] close(3 [pid 700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 699] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 702 attached [pid 700] <... mkdirat resumed>) = 0 [pid 699] write(1, "executing program\n", 18 [pid 700] rmdir("./config/usb_gadget/g1") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 700] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 700] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 702] set_robust_list(0x555579e166a0, 24 [pid 700] +++ exited with 0 +++ [pid 699] <... write resumed>) = 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 701 attached ci2-android-5-15/strace-static-x86_64: Process 703 attached [pid 702] <... set_robust_list resumed>) = 0 [pid 699] mkdirat(AT_FDCWD, "./config", 0777 [pid 701] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 703 [pid 701] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 701] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] setpgid(0, 0) = 0 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 699] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 702] rt_sigprocmask(SIG_SETMASK, [] [pid 701] write(3, "1000", 4) = 4 [pid 701] close(3) = 0 [pid 701] write(1, "executing program\n", 18) = 18 [pid 701] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 701] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 701] <... mkdirat resumed>) = 0 [pid 699] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 701] rmdir("./config/usb_gadget/g1") = 0 [pid 701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 701] exit_group(0) = ? [pid 701] +++ exited with 0 +++ [pid 699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 703] set_robust_list(0x555579e166a0, 24) = 0 [pid 703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 703] setpgid(0, 0 [pid 699] <... mkdirat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 703] <... setpgid resumed>) = 0 [pid 703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 703] write(3, "1000", 4) = 4 [pid 699] rmdir("./config/usb_gadget/g1" [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 703] close(3) = 0 [pid 703] write(1, "executing program\n", 18) = 18 [pid 703] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 703] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 699] <... rmdir resumed>) = 0 [pid 703] rmdir("./config/usb_gadget/g1") = 0 [pid 703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 703] exit_group(0) = ? [pid 703] +++ exited with 0 +++ [pid 699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 699] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 699] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 699] <... exit_group resumed>) = ? [pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 702] <... prctl resumed>) = 0 [pid 702] setpgid(0, 0) = 0 [pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 699] +++ exited with 0 +++ [pid 702] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 702] <... write resumed>) = 4 [pid 702] close(3) = 0 [pid 702] write(1, "executing program\n", 18) = 18 [pid 702] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 702] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 702] <... mkdirat resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 704 [pid 702] rmdir("./config/usb_gadget/g1") = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 705 [pid 702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 702] exit_group(0) = ? executing program executing program [pid 702] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 704 attached [pid 704] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 304] 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 705 attached , child_tidptr=0x555579e16690) = 706 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 704] setpgid(0, 0) = 0 [pid 704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 704] write(3, "1000", 4) = 4 [pid 704] close(3) = 0 [pid 704] write(1, "executing program\n", 18) = 18 [pid 704] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 704] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 705] set_robust_list(0x555579e166a0, 24 [pid 704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 706 attached [pid 705] <... set_robust_list resumed>) = 0 [pid 704] <... mkdirat resumed>) = 0 [pid 704] rmdir("./config/usb_gadget/g1") = 0 [pid 704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 704] exit_group(0) = ? [pid 704] +++ exited with 0 +++ [pid 706] set_robust_list(0x555579e166a0, 24) = 0 [pid 706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 706] setpgid(0, 0) = 0 [pid 706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 706] <... openat resumed>) = 3 [pid 706] write(3, "1000", 4) = 4 [pid 706] close(3) = 0 [pid 706] write(1, "executing program\n", 18) = 18 [pid 706] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 706] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 706] <... mkdirat resumed>) = 0 [pid 706] rmdir("./config/usb_gadget/g1") = 0 [pid 706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 706] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 706] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 705] <... prctl resumed>) = 0 [pid 705] setpgid(0, 0) = 0 [pid 705] 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 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 707 attached [pid 705] <... openat resumed>) = 3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 705] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 707 [pid 705] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 705] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 705] <... close resumed>) = 0 executing program [pid 705] write(1, "executing program\n", 18) = 18 [pid 705] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 705] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 705] rmdir("./config/usb_gadget/g1") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 705] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 708 [pid 705] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 705] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 709 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 708 attached [pid 708] set_robust_list(0x555579e166a0, 24) = 0 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 708] <... prctl resumed>) = 0 [pid 708] setpgid(0, 0) = 0 [pid 708] 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 708] <... openat resumed>) = 3 [pid 708] write(3, "1000", 4) = 4 [pid 708] close(3) = 0 [pid 708] write(1, "executing program\n", 18) = 18 executing program [pid 708] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 708] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 708] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 709 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 710 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 708] <... rmdir resumed>) = 0 [pid 709] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 709] <... set_robust_list resumed>) = 0 [pid 709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 708] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 708] exit_group(0 [pid 709] <... prctl resumed>) = 0 [pid 709] setpgid(0, 0) = 0 [pid 709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 708] <... exit_group resumed>) = ? [pid 707] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 710 attached [pid 709] <... openat resumed>) = 3 [pid 707] <... set_robust_list resumed>) = 0 [pid 709] write(3, "1000", 4) = 4 [pid 709] close(3) = 0 [pid 707] rt_sigprocmask(SIG_SETMASK, [] [pid 710] set_robust_list(0x555579e166a0, 24 [pid 709] write(1, "executing program\n", 18) = 18 executing program [pid 709] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 709] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 708] +++ exited with 0 +++ [pid 709] <... mkdirat resumed>) = 0 [pid 709] rmdir("./config/usb_gadget/g1") = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 709] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 709] <... exit_group resumed>) = ? [ 29.308597][ T694] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.308597][ T694] 7) [pid 709] +++ exited with 0 +++ [pid 710] <... set_robust_list resumed>) = 0 [pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 707] <... prctl resumed>) = 0 [pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 710] setpgid(0, 0) = 0 [pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 710] write(3, "1000", 4) = 4 [pid 710] close(3) = 0 [pid 710] write(1, "executing program\n", 18) = 18 executing program [pid 710] mkdirat(AT_FDCWD, "./config", 0777 [pid 707] setpgid(0, 0 [pid 710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 710] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 707] <... setpgid resumed>) = 0 [pid 710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 710] <... mkdirat resumed>) = 0 [pid 710] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall 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=0x555579e16690) = 711 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] <... rmdir resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 710] exit_group(0) = ? [pid 710] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 711 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 712 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 713 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 711] set_robust_list(0x555579e166a0, 24 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 711] <... set_robust_list resumed>) = 0 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 707] write(3, "1000", 4 [pid 711] <... prctl resumed>) = 0 [pid 711] setpgid(0, 0) = 0 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 712 attached [pid 707] <... write resumed>) = 4 [pid 711] <... openat resumed>) = 3 [pid 711] write(3, "1000", 4) = 4 [pid 711] close(3) = 0 [pid 711] write(1, "executing program\n", 18) = 18 [pid 711] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 711] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] <... restart_syscall resumed>) = 0 [pid 711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 707] close(3) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 711] <... mkdirat resumed>) = 0 [pid 711] rmdir("./config/usb_gadget/g1") = 0 [pid 711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 711] exit_group(0) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 713 attached [pid 713] set_robust_list(0x555579e166a0, 24) = 0 [pid 713] rt_sigprocmask(SIG_SETMASK, [] [pid 711] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 713] setpgid(0, 0) = 0 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 707] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 714 [pid 713] <... openat resumed>) = 3 executing program [pid 713] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 707] <... write resumed>) = 18 [pid 713] <... write resumed>) = 4 [pid 713] close(3) = 0 [pid 713] write(1, "executing program\n", 18) = 18 [pid 713] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 713] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 707] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 713] <... mkdirat resumed>) = 0 [pid 713] rmdir("./config/usb_gadget/g1") = 0 [pid 713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 713] exit_group(0) = ? [pid 713] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 714 attached [pid 707] mount(NULL, "./config", "configfs", 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 714] set_robust_list(0x555579e166a0, 24) = 0 [pid 707] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 715 [pid 707] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 714] setpgid(0, 0) = 0 [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 714] write(3, "1000", 4) = 4 [pid 714] close(3) = 0 [pid 714] write(1, "executing program\n", 18) = 18 [pid 714] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 707] rmdir("./config/usb_gadget/g1" [pid 714] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 707] <... rmdir resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 714] <... mkdirat resumed>) = 0 [pid 714] rmdir("./config/usb_gadget/g1" [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 715 attached [pid 707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 715] set_robust_list(0x555579e166a0, 24) = 0 [pid 715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 716 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 707] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 714] <... rmdir resumed>) = 0 [pid 714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 714] exit_group(0) = ? [pid 707] exit_group(0 [pid 714] +++ exited with 0 +++ [pid 707] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 715] setpgid(0, 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 715] <... setpgid resumed>) = 0 [pid 715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 715] write(3, "1000", 4) = 4 [pid 707] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 715] close(3) = 0 [pid 715] write(1, "executing program\n", 18) = 18 [pid 715] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 712] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 716 attached [pid 716] set_robust_list(0x555579e166a0, 24) = 0 [pid 716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 712] <... set_robust_list resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 715] mount(NULL, "./config", "configfs", 0, NULL [pid 712] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 716] <... prctl resumed>) = 0 [pid 716] setpgid(0, 0) = 0 [pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 717 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 716] <... openat resumed>) = 3 [pid 716] write(3, "1000", 4) = 4 [pid 716] close(3) = 0 [pid 716] write(1, "executing program\n", 18) = 18 [pid 716] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 716] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 716] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 716] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 718 [pid 716] <... rmdir resumed>) = 0 [pid 716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 716] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 716] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 717 attached [pid 715] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 717] set_robust_list(0x555579e166a0, 24) = 0 [pid 717] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 718 attached , NULL, 8) = 0 [pid 715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... restart_syscall resumed>) = 0 [pid 718] set_robust_list(0x555579e166a0, 24) = 0 [pid 712] <... prctl resumed>) = 0 [pid 717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 718] rt_sigprocmask(SIG_SETMASK, [] [pid 717] <... prctl resumed>) = 0 [pid 712] setpgid(0, 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 719 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 719 attached [pid 719] set_robust_list(0x555579e166a0, 24) = 0 [pid 719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 719] setpgid(0, 0) = 0 [pid 719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 719] write(3, "1000", 4) = 4 [pid 719] close(3) = 0 [pid 719] write(1, "executing program\n", 18) = 18 executing program [pid 719] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 719] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 717] setpgid(0, 0 [pid 712] <... setpgid resumed>) = 0 [pid 718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 715] <... mkdirat resumed>) = 0 [pid 717] <... setpgid resumed>) = 0 [pid 719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 719] rmdir("./config/usb_gadget/g1" [pid 717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 715] rmdir("./config/usb_gadget/g1" [pid 712] <... openat resumed>) = 3 [pid 717] <... openat resumed>) = 3 [pid 718] <... prctl resumed>) = 0 [pid 712] write(3, "1000", 4 [pid 719] <... rmdir resumed>) = 0 [pid 719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 719] exit_group(0) = ? [pid 718] setpgid(0, 0 [pid 717] write(3, "1000", 4 [pid 718] <... setpgid resumed>) = 0 [pid 715] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 712] <... write resumed>) = 4 [pid 718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 717] <... write resumed>) = 4 [pid 715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 712] close(3 [pid 719] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 718] <... openat resumed>) = 3 [pid 717] close(3 [pid 712] <... close resumed>) = 0 [pid 718] write(3, "1000", 4 [pid 717] <... close resumed>) = 0 [pid 715] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 712] write(1, "executing program\n", 18 [pid 718] <... write resumed>) = 4 [pid 718] close(3) = 0 [pid 718] write(1, "executing program\n", 18) = 18 executing program [pid 718] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 718] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 717] write(1, "executing program\n", 18 [pid 712] <... write resumed>) = 18 [pid 718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 715] exit_group(0 [pid 717] <... write resumed>) = 18 [pid 715] <... exit_group resumed>) = ? [pid 712] mkdirat(AT_FDCWD, "./config", 0777 [pid 717] mkdirat(AT_FDCWD, "./config", 0777 [pid 718] <... mkdirat resumed>) = 0 [pid 718] rmdir("./config/usb_gadget/g1") = 0 [pid 718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 718] exit_group(0) = ? [pid 718] +++ exited with 0 +++ [pid 712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 717] mount(NULL, "./config", "configfs", 0, NULL [pid 712] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 717] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 712] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 715] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 717] <... mkdirat resumed>) = 0 [pid 712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 712] rmdir("./config/usb_gadget/g1" [pid 717] rmdir("./config/usb_gadget/g1" [pid 712] <... rmdir resumed>) = 0 [pid 712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] <... 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] <... restart_syscall 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 307] <... clone resumed>, child_tidptr=0x555579e16690) = 720 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 721 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 717] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 721 attached ci2-android-5-15/strace-static-x86_64: Process 720 attached ci2-android-5-15/strace-static-x86_64: Process 722 attached [pid 717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 712] exit_group(0 [pid 717] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 712] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 722 [pid 722] set_robust_list(0x555579e166a0, 24) = 0 [pid 721] set_robust_list(0x555579e166a0, 24 [pid 720] set_robust_list(0x555579e166a0, 24 [pid 717] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 712] +++ exited with 0 +++ [pid 717] <... exit_group resumed>) = ? [pid 720] <... set_robust_list resumed>) = 0 [pid 720] rt_sigprocmask(SIG_SETMASK, [] [pid 717] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 722] rt_sigprocmask(SIG_SETMASK, [] [pid 721] <... set_robust_list resumed>) = 0 [pid 722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 722] <... prctl resumed>) = 0 [pid 721] rt_sigprocmask(SIG_SETMASK, [] [pid 720] <... prctl resumed>) = 0 [pid 720] setpgid(0, 0) = 0 [pid 720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 720] write(3, "1000", 4) = 4 executing program [pid 720] close(3) = 0 [pid 720] write(1, "executing program\n", 18) = 18 [pid 720] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 720] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 722] setpgid(0, 0 [pid 721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 722] <... setpgid resumed>) = 0 [pid 721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 720] <... mkdirat resumed>) = 0 [pid 720] rmdir("./config/usb_gadget/g1") = 0 [pid 720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 720] exit_group(0) = ? [pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 721] <... prctl resumed>) = 0 [pid 722] <... openat resumed>) = 3 [pid 721] setpgid(0, 0 [pid 720] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 721] <... setpgid resumed>) = 0 [pid 722] write(3, "1000", 4 [pid 721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 722] <... write resumed>) = 4 [pid 722] close(3) = 0 [pid 722] write(1, "executing program\n", 18) = 18 [pid 722] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 722] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 722] rmdir("./config/usb_gadget/g1") = 0 [pid 722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 722] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 722] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] 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 721] <... openat resumed>) = 3 [pid 721] write(3, "1000", 4) = 4 [pid 721] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 721] <... close resumed>) = 0 [pid 721] write(1, "executing program\n", 18 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 723 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 724 [pid 721] <... write resumed>) = 18 [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 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 721] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 721] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 725 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 725 attached ci2-android-5-15/strace-static-x86_64: Process 724 attached ci2-android-5-15/strace-static-x86_64: Process 723 attached , child_tidptr=0x555579e16690) = 726 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 725] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 726 attached [pid 726] set_robust_list(0x555579e166a0, 24) = 0 [pid 726] rt_sigprocmask(SIG_SETMASK, [] [pid 725] <... set_robust_list resumed>) = 0 [pid 723] set_robust_list(0x555579e166a0, 24 [pid 726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 726] setpgid(0, 0) = 0 [pid 726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 726] write(3, "1000", 4 [pid 725] rt_sigprocmask(SIG_SETMASK, [] [pid 726] <... write resumed>) = 4 [pid 726] close(3) = 0 [pid 726] write(1, "executing program\n", 18) = 18 [pid 726] mkdirat(AT_FDCWD, "./config", 0777 [pid 725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 723] <... set_robust_list resumed>) = 0 [pid 726] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 726] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 721] <... mkdirat resumed>) = 0 [pid 726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 726] rmdir("./config/usb_gadget/g1" [pid 725] <... prctl resumed>) = 0 [pid 721] rmdir("./config/usb_gadget/g1" [pid 725] setpgid(0, 0 [pid 723] rt_sigprocmask(SIG_SETMASK, [] [pid 725] <... setpgid resumed>) = 0 [pid 723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 724] set_robust_list(0x555579e166a0, 24 [pid 726] <... rmdir resumed>) = 0 [pid 726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 726] exit_group(0) = ? [pid 726] +++ exited with 0 +++ [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 721] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 725] <... openat resumed>) = 3 [pid 721] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 721] exit_group(0) = ? [pid 725] write(3, "1000", 4 [pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 725] <... write resumed>) = 4 [pid 725] close(3 [pid 723] <... prctl resumed>) = 0 [pid 724] <... set_robust_list resumed>) = 0 [pid 725] <... close resumed>) = 0 [pid 723] setpgid(0, 0 [pid 725] write(1, "executing program\n", 18 [pid 723] <... setpgid resumed>) = 0 [pid 721] +++ exited with 0 +++ executing program [pid 725] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 725] mkdirat(AT_FDCWD, "./config", 0777 [pid 724] <... prctl resumed>) = 0 [pid 724] setpgid(0, 0) = 0 [pid 724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 725] mount(NULL, "./config", "configfs", 0, NULL [pid 724] <... openat resumed>) = 3 [pid 724] write(3, "1000", 4) = 4 [pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 724] close(3 [pid 725] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 724] <... close resumed>) = 0 executing program [pid 724] write(1, "executing program\n", 18) = 18 [pid 724] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 724] mount(NULL, "./config", "configfs", 0, NULL [pid 725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 724] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 723] <... openat resumed>) = 3 [pid 723] write(3, "1000", 4 [pid 306] <... restart_syscall 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=0x555579e16690) = 727 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 727 attached [pid 727] set_robust_list(0x555579e166a0, 24) = 0 [pid 727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 727] setpgid(0, 0) = 0 [pid 727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 727] write(3, "1000", 4) = 4 [pid 723] <... write resumed>) = 4 [pid 723] close(3 [pid 727] close(3) = 0 executing program [pid 727] write(1, "executing program\n", 18) = 18 [pid 727] mkdirat(AT_FDCWD, "./config", 0777 [pid 723] <... close resumed>) = 0 [pid 723] write(1, "executing program\n", 18 [pid 727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 727] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 723] <... write resumed>) = 18 executing program [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 723] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 724] <... mkdirat resumed>) = 0 [pid 723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 725] rmdir("./config/usb_gadget/g1" [pid 727] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 728 attached [pid 727] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 728 [pid 727] <... rmdir resumed>) = 0 [pid 725] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 727] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 728] set_robust_list(0x555579e166a0, 24 [pid 727] exit_group(0 [pid 725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 724] rmdir("./config/usb_gadget/g1" [pid 723] mount(NULL, "./config", "configfs", 0, NULL [pid 727] <... exit_group resumed>) = ? [pid 728] <... set_robust_list resumed>) = 0 [pid 727] +++ exited with 0 +++ [pid 725] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 724] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 723] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 725] exit_group(0 [pid 724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 725] <... exit_group resumed>) = ? [pid 728] rt_sigprocmask(SIG_SETMASK, [] [pid 724] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 724] exit_group(0) = ? [pid 724] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 723] <... mkdirat resumed>) = 0 [pid 723] rmdir("./config/usb_gadget/g1" [pid 725] +++ exited with 0 +++ [pid 728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 723] <... rmdir resumed>) = 0 [pid 723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 723] exit_group(0) = ? [pid 723] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 728] setpgid(0, 0) = 0 [pid 728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 728] write(3, "1000", 4) = 4 [pid 728] close(3) = 0 [pid 728] write(1, "executing program\n", 18) = 18 executing program [pid 728] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 728] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 728] rmdir("./config/usb_gadget/g1") = 0 [pid 728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 728] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 728] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 728] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 729 attached [pid 729] set_robust_list(0x555579e166a0, 24) = 0 [pid 729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 729 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 730 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 731 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 729] <... prctl resumed>) = 0 [pid 729] setpgid(0, 0) = 0 [pid 729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 729] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 732 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 729] <... write resumed>) = 4 [pid 729] close(3) = 0 [pid 729] write(1, "executing program\n", 18) = 18 executing program [pid 729] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 732 attached [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 732] set_robust_list(0x555579e166a0, 24 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 731 attached ci2-android-5-15/strace-static-x86_64: Process 730 attached [pid 732] <... set_robust_list resumed>) = 0 [pid 729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 733 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 732] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 733 attached [pid 733] set_robust_list(0x555579e166a0, 24) = 0 [pid 733] rt_sigprocmask(SIG_SETMASK, [] [pid 732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 733] setpgid(0, 0) = 0 [pid 733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 730] set_robust_list(0x555579e166a0, 24 [pid 733] <... openat resumed>) = 3 [pid 733] write(3, "1000", 4) = 4 [pid 733] close(3) = 0 executing program [pid 733] write(1, "executing program\n", 18) = 18 [pid 733] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 733] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 733] rmdir("./config/usb_gadget/g1") = 0 [pid 733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 733] exit_group(0) = ? [pid 733] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 732] setpgid(0, 0 [pid 730] <... set_robust_list resumed>) = 0 [pid 729] mount(NULL, "./config", "configfs", 0, NULL [pid 731] set_robust_list(0x555579e166a0, 24 [pid 732] <... setpgid resumed>) = 0 [pid 732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 732] write(3, "1000", 4) = 4 [pid 732] close(3) = 0 [pid 732] write(1, "executing program\n", 18) = 18 [pid 732] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 732] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 732] rmdir("./config/usb_gadget/g1" [pid 730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 730] setpgid(0, 0) = 0 [pid 730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 732] <... rmdir resumed>) = 0 [pid 732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 732] exit_group(0) = ? [pid 732] +++ exited with 0 +++ [pid 730] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 730] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 730] <... write resumed>) = 4 [pid 730] close(3) = 0 [pid 730] write(1, "executing program\n", 18) = 18 executing program [pid 730] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 730] mount(NULL, "./config", "configfs", 0, NULL [pid 731] <... set_robust_list resumed>) = 0 [pid 730] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 729] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 730] <... mkdirat resumed>) = 0 [pid 730] rmdir("./config/usb_gadget/g1") = 0 [pid 730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 730] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 730] exit_group(0) = ? [pid 730] +++ exited with 0 +++ [pid 729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=730, 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 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 734 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 735 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 731] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 734 attached [pid 729] <... mkdirat resumed>) = 0 [pid 729] rmdir("./config/usb_gadget/g1") = 0 [pid 729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 729] exit_group(0) = ? [pid 729] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 735 attached [pid 735] set_robust_list(0x555579e166a0, 24) = 0 [pid 735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 735] setpgid(0, 0) = 0 [pid 735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 735] write(3, "1000", 4) = 4 [pid 735] close(3) = 0 [pid 735] write(1, "executing program\n", 18) = 18 executing program [pid 735] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 735] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 735] <... mkdirat resumed>) = 0 [pid 735] rmdir("./config/usb_gadget/g1") = 0 [pid 735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 735] exit_group(0) = ? [pid 735] +++ exited with 0 +++ [pid 731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 731] <... prctl resumed>) = 0 [pid 734] set_robust_list(0x555579e166a0, 24 [pid 731] setpgid(0, 0 [pid 734] <... set_robust_list resumed>) = 0 [pid 734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 731] <... setpgid resumed>) = 0 [pid 734] <... prctl resumed>) = 0 [pid 734] setpgid(0, 0) = 0 [pid 734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 734] <... openat resumed>) = 3 [pid 734] write(3, "1000", 4) = 4 [pid 731] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 731] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 731] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 731] close(3 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 731] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 736 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 737 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 734] close(3) = 0 [pid 734] write(1, "executing program\n", 18 [pid 731] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 738 [pid 731] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 734] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 731] mkdirat(AT_FDCWD, "./config", 0777 [pid 734] mkdirat(AT_FDCWD, "./config", 0777 [pid 731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 734] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program [pid 734] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 731] mount(NULL, "./config", "configfs", 0, NULL [pid 734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 731] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 734] <... mkdirat resumed>) = 0 [pid 734] rmdir("./config/usb_gadget/g1") = 0 [pid 734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 734] exit_group(0) = ? [pid 734] +++ exited with 0 +++ [pid 731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 737 attached [pid 737] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 738 attached [pid 738] set_robust_list(0x555579e166a0, 24 [pid 737] <... set_robust_list resumed>) = 0 [pid 737] rt_sigprocmask(SIG_SETMASK, [] [pid 731] <... mkdirat resumed>) = 0 [pid 738] <... set_robust_list resumed>) = 0 [pid 738] rt_sigprocmask(SIG_SETMASK, [] [pid 737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 737] <... prctl resumed>) = 0 [pid 738] <... prctl resumed>) = 0 [pid 737] setpgid(0, 0 [pid 738] setpgid(0, 0 [pid 737] <... setpgid resumed>) = 0 [pid 738] <... setpgid resumed>) = 0 [pid 737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 737] <... openat resumed>) = 3 [pid 738] <... openat resumed>) = 3 [pid 731] rmdir("./config/usb_gadget/g1" [pid 738] write(3, "1000", 4) = 4 [pid 737] write(3, "1000", 4 [pid 738] close(3 [pid 737] <... write resumed>) = 4 [pid 738] <... close resumed>) = 0 [pid 737] close(3) = 0 [pid 737] write(1, "executing program\n", 18 executing program executing program [pid 738] write(1, "executing program\n", 18 [pid 737] <... write resumed>) = 18 [pid 738] <... write resumed>) = 18 [pid 737] mkdirat(AT_FDCWD, "./config", 0777 [pid 738] mkdirat(AT_FDCWD, "./config", 0777 [pid 737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 737] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 738] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 738] rmdir("./config/usb_gadget/g1" [pid 737] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 736 attached [pid 736] set_robust_list(0x555579e166a0, 24) = 0 [pid 736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 731] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 738] <... rmdir resumed>) = 0 [pid 737] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 736] <... prctl resumed>) = 0 [pid 731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 731] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 738] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 731] exit_group(0) = ? [pid 738] exit_group(0) = ? [pid 731] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 738] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 737] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 737] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] 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 305] <... clone resumed>, child_tidptr=0x555579e16690) = 739 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 736] setpgid(0, 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 740 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 741 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 736] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 741 attached [pid 741] set_robust_list(0x555579e166a0, 24) = 0 [pid 741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 742 [pid 741] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 736] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 741] setpgid(0, 0 [pid 736] write(3, "1000", 4 [pid 741] <... setpgid resumed>) = 0 [pid 736] <... write resumed>) = 4 [pid 741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 739 attached ) = 3 [pid 736] close(3ci2-android-5-15/strace-static-x86_64: Process 740 attached [pid 741] write(3, "1000", 4) = 4 [pid 741] close(3) = 0 [pid 741] write(1, "executing program\n", 18) = 18 [pid 741] mkdirat(AT_FDCWD, "./config", 0777 [pid 736] <... close resumed>) = 0 [pid 739] set_robust_list(0x555579e166a0, 24 [pid 741] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 741] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 736] write(1, "executing program\n", 18 [pid 741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 741] rmdir("./config/usb_gadget/g1") = 0 [pid 741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 741] exit_group(0) = ? [pid 741] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 736] <... write resumed>) = 18 executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 742 attached [pid 742] set_robust_list(0x555579e166a0, 24) = 0 [pid 742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 736] mkdirat(AT_FDCWD, "./config", 0777 [pid 742] setpgid(0, 0) = 0 [pid 742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 742] write(3, "1000", 4) = 4 [pid 742] close(3) = 0 [pid 742] write(1, "executing program\n", 18) = 18 [pid 742] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 736] mount(NULL, "./config", "configfs", 0, NULL [pid 742] mount(NULL, "./config", "configfs", 0, NULL [pid 736] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 742] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 739] <... set_robust_list resumed>) = 0 [pid 740] set_robust_list(0x555579e166a0, 24 [pid 736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 736] rmdir("./config/usb_gadget/g1") = 0 [pid 736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 736] exit_group(0) = ? [pid 736] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 740] <... set_robust_list resumed>) = 0 [pid 739] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 740] rt_sigprocmask(SIG_SETMASK, [] [pid 742] <... mkdirat resumed>) = 0 [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 742] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 739] <... prctl resumed>) = 0 [pid 742] exit_group(0) = ? [pid 740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 739] setpgid(0, 0 [pid 740] <... prctl resumed>) = 0 [pid 739] <... setpgid resumed>) = 0 [pid 740] setpgid(0, 0) = 0 [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 742] +++ exited with 0 +++ [pid 740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 739] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 739] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 739] <... write resumed>) = 4 [pid 740] <... openat resumed>) = 3 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 743 attached [pid 739] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 739] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 743 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 744 [pid 739] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 739] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 743] set_robust_list(0x555579e166a0, 24 [pid 739] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] <... set_robust_list resumed>) = 0 [pid 739] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 739] mount(NULL, "./config", "configfs", 0, NULL [pid 740] write(3, "1000", 4) = 4 [pid 740] close(3) = 0 [pid 740] write(1, "executing program\n", 18) = 18 [pid 740] mkdirat(AT_FDCWD, "./config", 0777 [pid 739] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 745 [pid 739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 740] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 739] <... mkdirat resumed>) = 0 [pid 740] rmdir("./config/usb_gadget/g1") = 0 [pid 740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 740] exit_group(0) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 740] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 745 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 739] rmdir("./config/usb_gadget/g1" [pid 743] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 739] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 743] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 745] set_robust_list(0x555579e166a0, 24 [pid 739] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 745] <... set_robust_list resumed>) = 0 [pid 745] rt_sigprocmask(SIG_SETMASK, [] [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 739] exit_group(0 [pid 745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] <... prctl resumed>) = 0 [pid 739] <... exit_group resumed>) = ? [pid 745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 745] setpgid(0, 0) = 0 [pid 745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 739] +++ exited with 0 +++ [pid 745] <... openat resumed>) = 3 [pid 743] setpgid(0, 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 745] write(3, "1000", 4 [pid 743] <... setpgid resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 745] <... write resumed>) = 4 [pid 745] close(3 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 745] <... close resumed>) = 0 [pid 745] write(1, "executing program\n", 18) = 18 [pid 745] mkdirat(AT_FDCWD, "./config", 0777 [pid 743] <... openat resumed>) = 3 [pid 745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 743] write(3, "1000", 4 executing program [pid 745] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 743] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 744 attached [pid 743] close(3 [pid 744] set_robust_list(0x555579e166a0, 24 [pid 745] <... mkdirat resumed>) = 0 [pid 745] rmdir("./config/usb_gadget/g1") = 0 [pid 745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 745] exit_group(0) = ? [pid 745] +++ exited with 0 +++ [pid 744] <... set_robust_list resumed>) = 0 [pid 743] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 743] write(1, "executing program\n", 18 [pid 744] rt_sigprocmask(SIG_SETMASK, [] [pid 743] <... write resumed>) = 18 executing program [pid 743] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 743] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] <... mkdirat resumed>) = 0 [pid 743] rmdir("./config/usb_gadget/g1") = 0 [pid 743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 743] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 743] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, 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 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 744] <... prctl resumed>) = 0 [pid 744] setpgid(0, 0) = 0 [pid 744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 746 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 746 [pid 744] <... openat resumed>) = 3 [pid 744] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 747 [pid 746] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 746] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 744] <... write resumed>) = 4 [pid 744] close(3) = 0 [pid 744] write(1, "executing program\n", 18) = 18 [pid 744] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 748 [pid 744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 746] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 744] mount(NULL, "./config", "configfs", 0, NULL [pid 746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 744] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 746] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 747 attached [pid 746] setpgid(0, 0 [pid 744] <... mkdirat resumed>) = 0 [pid 744] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 744] <... rmdir resumed>) = 0 [pid 744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 744] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 746] <... setpgid resumed>) = 0 [pid 744] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 749 ci2-android-5-15/strace-static-x86_64: Process 748 attached [pid 748] set_robust_list(0x555579e166a0, 24 [pid 746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 748] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 746] <... openat resumed>) = 3 [pid 748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 748] setpgid(0, 0) = 0 [pid 746] write(3, "1000", 4 [pid 747] set_robust_list(0x555579e166a0, 24 [pid 748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 746] <... write resumed>) = 4 [pid 747] <... set_robust_list resumed>) = 0 [pid 748] <... openat resumed>) = 3 [pid 746] close(3 [pid 748] write(3, "1000", 4) = 4 [pid 748] close(3) = 0 [pid 748] write(1, "executing program\n", 18) = 18 executing program [pid 746] <... close resumed>) = 0 [pid 748] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 746] write(1, "executing program\n", 18 [pid 748] mount(NULL, "./config", "configfs", 0, NULL [pid 747] rt_sigprocmask(SIG_SETMASK, [] [pid 746] <... write resumed>) = 18 executing program [pid 748] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 746] mkdirat(AT_FDCWD, "./config", 0777 [pid 747] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 749 attached [pid 748] <... mkdirat resumed>) = 0 [pid 748] rmdir("./config/usb_gadget/g1" [pid 746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 746] mount(NULL, "./config", "configfs", 0, NULL [pid 748] <... rmdir resumed>) = 0 [pid 748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 748] exit_group(0) = ? [pid 748] +++ exited with 0 +++ [pid 746] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 747] setpgid(0, 0) = 0 [pid 747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 747] write(3, "1000", 4) = 4 [pid 747] close(3) = 0 [pid 747] write(1, "executing program\n", 18) = 18 [pid 747] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 747] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 746] <... mkdirat resumed>) = 0 executing program [pid 747] rmdir("./config/usb_gadget/g1" [pid 746] rmdir("./config/usb_gadget/g1" [pid 749] set_robust_list(0x555579e166a0, 24 [pid 747] <... rmdir resumed>) = 0 [pid 747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 747] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 746] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 749] <... set_robust_list resumed>) = 0 [pid 746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 750 [pid 746] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 746] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 750 attached [pid 750] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 750] rt_sigprocmask(SIG_SETMASK, [], 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 750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 750] setpgid(0, 0) = 0 [pid 750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 751 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 750] <... openat resumed>) = 3 [pid 746] +++ exited with 0 +++ [pid 750] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 750] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 750] close(3) = 0 [pid 750] write(1, "executing program\n", 18) = 18 executing program [pid 750] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 750] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 747] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 750] <... mkdirat resumed>) = 0 [pid 750] rmdir("./config/usb_gadget/g1") = 0 [pid 750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 750] exit_group(0) = ? [pid 750] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 751 attached [pid 751] set_robust_list(0x555579e166a0, 24) = 0 [pid 751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 751] setpgid(0, 0) = 0 [pid 751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 751] write(3, "1000", 4) = 4 [pid 751] close(3) = 0 executing program [pid 751] write(1, "executing program\n", 18) = 18 [pid 751] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 751] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 749] rt_sigprocmask(SIG_SETMASK, [] [pid 751] <... mkdirat resumed>) = 0 [pid 751] rmdir("./config/usb_gadget/g1") = 0 [pid 751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 751] exit_group(0) = ? [pid 751] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 749] setpgid(0, 0) = 0 [pid 749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 749] write(3, "1000", 4) = 4 [pid 749] close(3) = 0 [pid 749] write(1, "executing program\n", 18) = 18 executing program [pid 749] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 749] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 749] rmdir("./config/usb_gadget/g1") = 0 [pid 749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 749] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 753 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 752 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 754 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 755 attached ci2-android-5-15/strace-static-x86_64: Process 754 attached ci2-android-5-15/strace-static-x86_64: Process 752 attached , child_tidptr=0x555579e16690) = 755 [pid 749] +++ exited with 0 +++ [pid 754] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 753 attached [pid 753] set_robust_list(0x555579e166a0, 24) = 0 [pid 753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 753] setpgid(0, 0) = 0 [pid 753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 753] write(3, "1000", 4) = 4 [pid 753] close(3) = 0 [pid 753] write(1, "executing program\n", 18) = 18 [pid 753] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 753] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 754] <... set_robust_list resumed>) = 0 [pid 755] set_robust_list(0x555579e166a0, 24 [pid 753] <... mkdirat resumed>) = 0 [pid 753] rmdir("./config/usb_gadget/g1") = 0 [pid 753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 753] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 753] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=753, 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 754] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 752] set_robust_list(0x555579e166a0, 24) = 0 [pid 754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] rt_sigprocmask(SIG_SETMASK, [] [pid 755] <... set_robust_list resumed>) = 0 [pid 752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 752] setpgid(0, 0) = 0 [pid 752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 752] write(3, "1000", 4) = 4 executing program [pid 752] close(3) = 0 [pid 752] write(1, "executing program\n", 18) = 18 [pid 752] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 752] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 756 [pid 754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 752] <... mkdirat resumed>) = 0 [pid 752] rmdir("./config/usb_gadget/g1" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] <... rmdir resumed>) = 0 [pid 752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 752] exit_group(0 [pid 755] rt_sigprocmask(SIG_SETMASK, [] [pid 754] <... prctl resumed>) = 0 [pid 752] <... exit_group resumed>) = ? [pid 754] setpgid(0, 0 [pid 755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 754] <... setpgid resumed>) = 0 [pid 755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 755] <... prctl resumed>) = 0 [pid 754] <... openat resumed>) = 3 [pid 752] +++ exited with 0 +++ [pid 755] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 755] <... setpgid resumed>) = 0 [pid 754] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 754] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 756 attached [pid 756] set_robust_list(0x555579e166a0, 24) = 0 [pid 756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 756] setpgid(0, 0) = 0 [pid 756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 754] close(3 [pid 304] <... restart_syscall resumed>) = 0 [pid 755] <... openat resumed>) = 3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 757 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 756] <... openat resumed>) = 3 [pid 756] write(3, "1000", 4) = 4 [pid 756] close(3) = 0 [pid 756] write(1, "executing program\n", 18) = 18 [pid 756] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 756] mount(NULL, "./config", "configfs", 0, NULL [pid 754] <... close resumed>) = 0 [pid 755] write(3, "1000", 4 [pid 754] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 755] <... write resumed>) = 4 [pid 754] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 755] close(3 [pid 754] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 755] <... close resumed>) = 0 [pid 754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 756] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program executing program [pid 754] mount(NULL, "./config", "configfs", 0, NULL [pid 755] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 758 [pid 755] <... write resumed>) = 18 [pid 754] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 755] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 755] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 756] <... mkdirat resumed>) = 0 [pid 756] rmdir("./config/usb_gadget/g1") = 0 [pid 756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 756] exit_group(0) = ? [pid 754] <... mkdirat resumed>) = 0 [pid 755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 756] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 758 attached [pid 758] set_robust_list(0x555579e166a0, 24) = 0 [pid 758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 758] setpgid(0, 0) = 0 [pid 758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 758] write(3, "1000", 4 [pid 755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 758] <... write resumed>) = 4 [pid 758] close(3) = 0 [pid 758] write(1, "executing program\n", 18 [pid 755] rmdir("./config/usb_gadget/g1" [pid 754] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 758] <... write resumed>) = 18 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 758] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 758] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 755] <... rmdir resumed>) = 0 [pid 754] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 758] <... mkdirat resumed>) = 0 [pid 758] rmdir("./config/usb_gadget/g1") = 0 ci2-android-5-15/strace-static-x86_64: Process 757 attached [pid 757] set_robust_list(0x555579e166a0, 24) = 0 [pid 754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 754] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 757] setpgid(0, 0) = 0 [pid 757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 754] exit_group(0 [pid 755] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 754] <... exit_group resumed>) = ? [pid 755] exit_group(0 [pid 758] exit_group(0 [pid 757] <... openat resumed>) = 3 [pid 758] <... exit_group resumed>) = ? [pid 757] write(3, "1000", 4 [pid 754] +++ exited with 0 +++ [pid 757] <... write resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 755] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 757] close(3) = 0 [pid 757] write(1, "executing program\n", 18) = 18 [pid 757] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 757] mount(NULL, "./config", "configfs", 0, NULL [pid 755] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=755, 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 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 759 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program executing program executing program ci2-android-5-15/strace-static-x86_64: Process 759 attached [pid 758] +++ exited with 0 +++ [pid 757] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 759] set_robust_list(0x555579e166a0, 24 [pid 757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 759] <... set_robust_list resumed>) = 0 [pid 759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 757] <... mkdirat resumed>) = 0 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 759] setpgid(0, 0 [pid 757] rmdir("./config/usb_gadget/g1" [pid 759] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 760 attached [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 757] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 760 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 760] set_robust_list(0x555579e166a0, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 759] write(3, "1000", 4 [pid 757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 760] <... set_robust_list resumed>) = 0 [pid 759] <... write resumed>) = 4 [pid 757] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 761 attached [pid 759] close(3) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 761 [pid 759] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 759] <... write resumed>) = 18 executing program [pid 759] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 761] set_robust_list(0x555579e166a0, 24 [pid 760] rt_sigprocmask(SIG_SETMASK, [] [pid 759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 757] exit_group(0 [pid 761] <... set_robust_list resumed>) = 0 [pid 760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 759] mount(NULL, "./config", "configfs", 0, NULL [pid 757] <... exit_group resumed>) = ? [pid 761] rt_sigprocmask(SIG_SETMASK, [] [pid 760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 759] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 757] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 762 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 760] <... prctl resumed>) = 0 [pid 760] setpgid(0, 0 [pid 761] <... prctl resumed>) = 0 [pid 760] <... setpgid resumed>) = 0 [pid 761] setpgid(0, 0 [pid 760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 761] <... setpgid resumed>) = 0 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 759] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 762 attached [pid 759] rmdir("./config/usb_gadget/g1" [pid 761] <... openat resumed>) = 3 [pid 761] write(3, "1000", 4) = 4 [pid 759] <... rmdir resumed>) = 0 [pid 761] close(3) = 0 [pid 761] write(1, "executing program\n", 18) = 18 executing program [pid 759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 762] set_robust_list(0x555579e166a0, 24) = 0 [pid 761] mkdirat(AT_FDCWD, "./config", 0777 [pid 760] <... openat resumed>) = 3 [pid 759] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 759] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 759] <... exit_group resumed>) = ? [pid 762] rt_sigprocmask(SIG_SETMASK, [] [pid 761] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 760] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] +++ exited with 0 +++ [pid 762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 761] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 760] <... write resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 760] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 761] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 763 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 760] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 763 attached [pid 762] <... prctl resumed>) = 0 [pid 763] set_robust_list(0x555579e166a0, 24 [pid 760] write(1, "executing program\n", 18 [pid 763] <... set_robust_list resumed>) = 0 [pid 763] rt_sigprocmask(SIG_SETMASK, [] [pid 762] setpgid(0, 0 [pid 760] <... write resumed>) = 18 [pid 763] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 763] setpgid(0, 0) = 0 [pid 762] <... setpgid resumed>) = 0 [pid 761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 760] mkdirat(AT_FDCWD, "./config", 0777 [pid 763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 763] write(3, "1000", 4) = 4 [pid 763] close(3) = 0 executing program [pid 763] write(1, "executing program\n", 18) = 18 [pid 763] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 763] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 763] rmdir("./config/usb_gadget/g1") = 0 [pid 763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 763] exit_group(0) = ? [pid 763] +++ exited with 0 +++ [pid 762] <... openat resumed>) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 760] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 762] write(3, "1000", 4) = 4 [pid 762] close(3) = 0 [pid 762] write(1, "executing program\n", 18) = 18 [pid 762] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 762] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 761] <... mkdirat resumed>) = 0 executing program [pid 760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 760] rmdir("./config/usb_gadget/g1" [pid 761] rmdir("./config/usb_gadget/g1" [pid 760] <... rmdir resumed>) = 0 [pid 760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 760] exit_group(0) = ? [pid 760] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall 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 762] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 764 attached [pid 762] rmdir("./config/usb_gadget/g1" [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 764 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] set_robust_list(0x555579e166a0, 24) = 0 [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 762] <... rmdir resumed>) = 0 [pid 762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 761] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 762] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 762] exit_group(0 [pid 761] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 762] <... exit_group resumed>) = ? [pid 761] exit_group(0) = ? [pid 762] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 761] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 764] <... prctl resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 764] setpgid(0, 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 765 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 764] <... setpgid resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 765 attached [pid 765] set_robust_list(0x555579e166a0, 24) = 0 [pid 765] rt_sigprocmask(SIG_SETMASK, [] [pid 764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 765] setpgid(0, 0) = 0 [pid 764] <... openat resumed>) = 3 [pid 765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 764] write(3, "1000", 4) = 4 [pid 764] close(3 [pid 765] <... openat resumed>) = 3 [pid 764] <... close resumed>) = 0 [pid 765] write(3, "1000", 4) = 4 [pid 765] close(3) = 0 [pid 765] write(1, "executing program\n", 18) = 18 executing program [pid 765] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 765] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 764] write(1, "executing program\n", 18) = 18 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 764] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 764] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 766 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 766 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 765] <... mkdirat resumed>) = 0 [pid 765] rmdir("./config/usb_gadget/g1") = 0 [pid 765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 765] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 764] <... mkdirat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 765] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 766] set_robust_list(0x555579e166a0, 24) = 0 [pid 766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 766] setpgid(0, 0) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 767 [pid 764] rmdir("./config/usb_gadget/g1" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 766] <... openat resumed>) = 3 [pid 766] write(3, "1000", 4) = 4 [pid 766] close(3) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 766] write(1, "executing program\n", 18) = 18 [pid 766] mkdirat(AT_FDCWD, "./config", 0777 [pid 764] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 768 [pid 766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 766] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 766] <... mkdirat resumed>) = 0 [pid 766] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 769 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 767 attached [pid 767] set_robust_list(0x555579e166a0, 24) = 0 [pid 767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 767] setpgid(0, 0) = 0 [pid 767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 768 attached [pid 768] set_robust_list(0x555579e166a0, 24 [pid 767] write(3, "1000", 4) = 4 [pid 767] close(3 [pid 768] <... set_robust_list resumed>) = 0 [pid 767] <... close resumed>) = 0 [pid 767] write(1, "executing program\n", 18) = 18 [pid 768] rt_sigprocmask(SIG_SETMASK, [] [pid 767] mkdirat(AT_FDCWD, "./config", 0777 [pid 768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 767] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 768] <... prctl resumed>) = 0 [pid 768] setpgid(0, 0) = 0 [pid 768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 768] write(3, "1000", 4) = 4 [pid 768] close(3) = 0 [pid 768] write(1, "executing program\n", 18) = 18 [pid 768] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 768] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program executing program executing program [pid 768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 766] <... rmdir resumed>) = 0 [pid 767] <... mkdirat resumed>) = 0 [pid 766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 769 attached [pid 768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 767] rmdir("./config/usb_gadget/g1" [pid 764] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 768] rmdir("./config/usb_gadget/g1" [pid 769] set_robust_list(0x555579e166a0, 24) = 0 [pid 769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 764] exit_group(0 [pid 769] <... prctl resumed>) = 0 [pid 769] setpgid(0, 0) = 0 [pid 767] <... rmdir resumed>) = 0 [pid 769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 768] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 766] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 764] <... exit_group resumed>) = ? [pid 768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 769] <... openat resumed>) = 3 [pid 767] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 769] write(3, "1000", 4 [pid 768] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 767] exit_group(0 [pid 769] <... write resumed>) = 4 [pid 768] exit_group(0 [pid 767] <... exit_group resumed>) = ? [pid 766] exit_group(0 [pid 768] <... exit_group resumed>) = ? [pid 769] close(3) = 0 [pid 769] write(1, "executing program\n", 18 [pid 767] +++ exited with 0 +++ executing program [pid 769] <... write resumed>) = 18 [pid 769] mkdirat(AT_FDCWD, "./config", 0777 [pid 768] +++ exited with 0 +++ [pid 769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 769] mount(NULL, "./config", "configfs", 0, NULL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=768, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 766] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 769] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 766] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 764] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 769] <... mkdirat resumed>) = 0 [pid 769] rmdir("./config/usb_gadget/g1") = 0 [pid 769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 769] exit_group(0) = ? [pid 769] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 770 ci2-android-5-15/strace-static-x86_64: Process 770 attached [pid 770] set_robust_list(0x555579e166a0, 24) = 0 [pid 770] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 770] setpgid(0, 0) = 0 [pid 770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 770] <... openat resumed>) = 3 [pid 770] write(3, "1000", 4) = 4 [pid 770] close(3) = 0 [pid 770] write(1, "executing program\n", 18) = 18 executing program [pid 770] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 770] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 770] <... mkdirat resumed>) = 0 [pid 770] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [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 308] <... clone resumed>, child_tidptr=0x555579e16690) = 771 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 772 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 773 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 770] <... rmdir resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 770] exit_group(0) = ? [pid 770] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 774 ci2-android-5-15/strace-static-x86_64: Process 773 attached ci2-android-5-15/strace-static-x86_64: Process 771 attached [pid 773] set_robust_list(0x555579e166a0, 24 [pid 771] set_robust_list(0x555579e166a0, 24) = 0 [pid 771] rt_sigprocmask(SIG_SETMASK, [] [pid 773] <... set_robust_list resumed>) = 0 [pid 773] rt_sigprocmask(SIG_SETMASK, [] [pid 771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 771] <... prctl resumed>) = 0 [pid 771] setpgid(0, 0 [pid 773] <... prctl resumed>) = 0 [pid 771] <... setpgid resumed>) = 0 [pid 773] setpgid(0, 0) = 0 [pid 771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 771] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 774 attached ci2-android-5-15/strace-static-x86_64: Process 772 attached [pid 773] <... openat resumed>) = 3 [pid 773] write(3, "1000", 4 [pid 771] write(3, "1000", 4 [pid 773] <... write resumed>) = 4 [pid 771] <... write resumed>) = 4 [pid 773] close(3 [pid 771] close(3 [pid 773] <... close resumed>) = 0 [pid 771] <... close resumed>) = 0 [pid 771] write(1, "executing program\n", 18 [pid 773] write(1, "executing program\n", 18 [pid 771] <... write resumed>) = 18 [pid 773] <... write resumed>) = 18 executing program executing program [pid 773] mkdirat(AT_FDCWD, "./config", 0777 [pid 771] mkdirat(AT_FDCWD, "./config", 0777 [pid 773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 773] mount(NULL, "./config", "configfs", 0, NULL [pid 771] mount(NULL, "./config", "configfs", 0, NULL [pid 773] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 771] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 774] set_robust_list(0x555579e166a0, 24 [pid 771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 772] set_robust_list(0x555579e166a0, 24 [pid 774] <... set_robust_list resumed>) = 0 [pid 771] <... mkdirat resumed>) = 0 [pid 773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 773] rmdir("./config/usb_gadget/g1") = 0 [pid 771] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 773] exit_group(0 [pid 771] exit_group(0 [pid 773] <... exit_group resumed>) = ? [pid 772] <... set_robust_list resumed>) = 0 [pid 771] <... exit_group resumed>) = ? [pid 772] rt_sigprocmask(SIG_SETMASK, [] [pid 774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 773] +++ exited with 0 +++ [pid 772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 771] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 774] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 774] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 774] <... setpgid resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 774] write(3, "1000", 4) = 4 [pid 774] close(3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 775 [pid 774] <... close resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 774] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 774] <... write resumed>) = 18 [pid 774] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 774] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 772] <... prctl resumed>) = 0 [pid 774] <... mkdirat resumed>) = 0 [pid 774] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall 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=0x555579e16690) = 776 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 772] setpgid(0, 0 [pid 774] <... rmdir resumed>) = 0 [pid 774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 774] exit_group(0) = ? [pid 308] <... 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 774] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 775 attached [pid 775] set_robust_list(0x555579e166a0, 24) = 0 [pid 775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 775] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 776 attached ) = 0 [pid 775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 772] <... setpgid resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 776] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 776] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 775] <... openat resumed>) = 3 [pid 776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 775] write(3, "1000", 4 [pid 776] <... prctl resumed>) = 0 [pid 775] <... write resumed>) = 4 [pid 776] setpgid(0, 0 [pid 775] close(3 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 778 [pid 775] <... close resumed>) = 0 [pid 776] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 775] write(1, "executing program\n", 18) = 18 [pid 776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 775] mkdirat(AT_FDCWD, "./config", 0777 [pid 776] <... openat resumed>) = 3 executing program [pid 772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 778 attached [pid 775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 775] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 776] write(3, "1000", 4) = 4 [pid 775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 772] <... openat resumed>) = 3 [pid 776] close(3 [pid 772] write(3, "1000", 4 [pid 776] <... close resumed>) = 0 [ 29.590531][ T764] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.590531][ T764] 7) [ 29.603669][ T766] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.603669][ T766] 7) [pid 778] set_robust_list(0x555579e166a0, 24 [pid 772] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 777 attached [pid 776] write(1, "executing program\n", 18 [pid 775] <... mkdirat resumed>) = 0 [pid 778] <... set_robust_list resumed>) = 0 [pid 772] close(3 [pid 776] <... write resumed>) = 18 executing program [pid 776] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 776] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 776] rmdir("./config/usb_gadget/g1" [pid 772] <... close resumed>) = 0 [pid 772] write(1, "executing program\n", 18) = 18 executing program [pid 775] rmdir("./config/usb_gadget/g1" [pid 776] <... rmdir resumed>) = 0 [pid 775] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 778] rt_sigprocmask(SIG_SETMASK, [] [pid 777] set_robust_list(0x555579e166a0, 24 [pid 776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 772] mkdirat(AT_FDCWD, "./config", 0777 [pid 775] exit_group(0 [pid 778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 778] setpgid(0, 0) = 0 [pid 778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 772] mount(NULL, "./config", "configfs", 0, NULL [pid 775] <... exit_group resumed>) = ? [pid 776] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 778] <... openat resumed>) = 3 [pid 778] write(3, "1000", 4) = 4 [pid 778] close(3) = 0 [pid 778] write(1, "executing program\n", 18) = 18 executing program [pid 778] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 778] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 777] <... set_robust_list resumed>) = 0 [pid 776] exit_group(0 [pid 775] +++ exited with 0 +++ [pid 772] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 772] rmdir("./config/usb_gadget/g1" [pid 778] rmdir("./config/usb_gadget/g1" [pid 777] rt_sigprocmask(SIG_SETMASK, [] [pid 776] <... exit_group resumed>) = ? [pid 778] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 772] <... rmdir resumed>) = 0 [pid 776] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 778] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 772] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 778] exit_group(0) = ? [pid 772] exit_group(0 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 772] <... exit_group resumed>) = ? [pid 778] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 777] setpgid(0, 0 [pid 772] +++ exited with 0 +++ [pid 777] <... setpgid resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 777] write(3, "1000", 4) = 4 [pid 777] close(3) = 0 [pid 777] write(1, "executing program\n", 18) = 18 [pid 777] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 777] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 777] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [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 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 779 attached [pid 777] <... rmdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 779] set_robust_list(0x555579e166a0, 24 [pid 777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 779 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 780 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 779] <... set_robust_list resumed>) = 0 [pid 777] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 780 attached [pid 780] set_robust_list(0x555579e166a0, 24) = 0 [pid 780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 777] exit_group(0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 781 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 782 [pid 780] <... prctl resumed>) = 0 [pid 779] rt_sigprocmask(SIG_SETMASK, [] [pid 777] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 780] setpgid(0, 0) = 0 [pid 780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 780] write(3, "1000", 4) = 4 [pid 780] close(3 [pid 777] +++ exited with 0 +++ [pid 780] <... close resumed>) = 0 [pid 779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 780] write(1, "executing program\n", 18 [pid 779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 780] <... write resumed>) = 18 executing program [pid 780] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 780] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 782 attached ci2-android-5-15/strace-static-x86_64: Process 781 attached ) = 0 [pid 779] <... prctl resumed>) = 0 [pid 780] rmdir("./config/usb_gadget/g1") = 0 [pid 779] setpgid(0, 0 [pid 780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 780] exit_group(0) = ? [pid 780] +++ exited with 0 +++ [pid 779] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 782] set_robust_list(0x555579e166a0, 24) = 0 [pid 782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 782] setpgid(0, 0) = 0 [pid 782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 779] <... openat resumed>) = 3 [pid 782] write(3, "1000", 4) = 4 [pid 782] close(3 [pid 779] write(3, "1000", 4 [pid 782] <... close resumed>) = 0 [pid 782] write(1, "executing program\n", 18) = 18 executing program [pid 782] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 782] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 781] set_robust_list(0x555579e166a0, 24 [pid 779] <... write resumed>) = 4 [pid 782] <... mkdirat resumed>) = 0 [pid 782] rmdir("./config/usb_gadget/g1") = 0 [pid 782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 779] close(3 [pid 782] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 782] exit_group(0) = ? [pid 782] +++ exited with 0 +++ [pid 779] <... close resumed>) = 0 [pid 781] <... set_robust_list resumed>) = 0 [pid 779] write(1, "executing program\n", 18) = 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 779] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 779] mount(NULL, "./config", "configfs", 0, NULL [pid 781] rt_sigprocmask(SIG_SETMASK, [] [pid 779] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 779] <... mkdirat resumed>) = 0 [pid 781] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 781] setpgid(0, 0 [pid 779] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 781] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 783 attached [pid 779] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 783 [pid 779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 779] exit_group(0) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 783] set_robust_list(0x555579e166a0, 24 [pid 781] <... openat resumed>) = 3 [pid 779] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 784 ci2-android-5-15/strace-static-x86_64: Process 785 attached ci2-android-5-15/strace-static-x86_64: Process 784 attached [pid 783] <... set_robust_list resumed>) = 0 [pid 781] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 785] set_robust_list(0x555579e166a0, 24 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 785 [pid 785] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 785] rt_sigprocmask(SIG_SETMASK, [] [pid 783] rt_sigprocmask(SIG_SETMASK, [] [pid 781] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 784] set_robust_list(0x555579e166a0, 24 [pid 783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 781] close(3 [pid 785] setpgid(0, 0) = 0 [pid 785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 781] <... close resumed>) = 0 [pid 783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 785] <... openat resumed>) = 3 [pid 781] write(1, "executing program\n", 18 [pid 784] <... set_robust_list resumed>) = 0 [pid 783] <... prctl resumed>) = 0 [pid 785] write(3, "1000", 4) = 4 [pid 785] close(3) = 0 executing program [pid 785] write(1, "executing program\n", 18 [pid 781] <... write resumed>) = 18 [pid 785] <... write resumed>) = 18 executing program [pid 785] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 783] setpgid(0, 0 [pid 781] mkdirat(AT_FDCWD, "./config", 0777 [pid 785] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 783] <... setpgid resumed>) = 0 [pid 781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 784] rt_sigprocmask(SIG_SETMASK, [] [pid 781] mount(NULL, "./config", "configfs", 0, NULL [pid 783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 781] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 785] <... mkdirat resumed>) = 0 [pid 784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 783] <... openat resumed>) = 3 [pid 781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 785] rmdir("./config/usb_gadget/g1") = 0 [pid 785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 785] exit_group(0) = ? [pid 785] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 784] setpgid(0, 0) = 0 [pid 784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 783] write(3, "1000", 4 [pid 781] <... mkdirat resumed>) = 0 [pid 784] <... openat resumed>) = 3 [pid 781] rmdir("./config/usb_gadget/g1" [pid 783] <... write resumed>) = 4 [pid 784] write(3, "1000", 4) = 4 [pid 784] close(3) = 0 executing program [pid 784] write(1, "executing program\n", 18) = 18 [pid 784] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 784] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 783] close(3) = 0 [pid 783] write(1, "executing program\n", 18) = 18 [pid 783] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 783] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] <... restart_syscall resumed>) = 0 [pid 783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 781] <... rmdir resumed>) = 0 executing program [pid 784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 783] <... mkdirat resumed>) = 0 [pid 781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 784] rmdir("./config/usb_gadget/g1" [pid 783] rmdir("./config/usb_gadget/g1" [pid 784] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 783] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 784] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 783] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 784] exit_group(0 [pid 783] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 784] <... exit_group resumed>) = ? [pid 783] <... exit_group resumed>) = ? [pid 784] +++ exited with 0 +++ [pid 783] +++ exited with 0 +++ [pid 781] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 786 attached [pid 781] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 786 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 781] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 787 [pid 781] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 786] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 786] <... set_robust_list resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 787 attached [pid 787] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 788 [pid 786] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 786] <... prctl resumed>) = 0 [pid 787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 787] setpgid(0, 0 [pid 786] setpgid(0, 0 [pid 787] <... setpgid resumed>) = 0 [pid 786] <... setpgid resumed>) = 0 [pid 787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 787] write(3, "1000", 4 [pid 786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 787] <... write resumed>) = 4 [pid 787] close(3) = 0 [pid 787] write(1, "executing program\n", 18 [pid 786] <... openat resumed>) = 3 [pid 787] <... write resumed>) = 18 [pid 787] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 786] write(3, "1000", 4 [pid 787] mount(NULL, "./config", "configfs", 0, NULL [pid 786] <... write resumed>) = 4 [pid 787] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 786] close(3 [pid 787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 786] <... close resumed>) = 0 [pid 786] write(1, "executing program\n", 18) = 18 executing program [pid 787] <... mkdirat resumed>) = 0 [pid 787] rmdir("./config/usb_gadget/g1") = 0 [pid 787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 787] exit_group(0) = ? [pid 786] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 787] +++ exited with 0 +++ [pid 786] mount(NULL, "./config", "configfs", 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 786] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 788 attached [pid 788] set_robust_list(0x555579e166a0, 24) = 0 [pid 786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 788] setpgid(0, 0) = 0 [pid 788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 788] write(3, "1000", 4) = 4 [pid 788] close(3) = 0 [pid 788] write(1, "executing program\n", 18) = 18 [pid 788] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 788] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 786] <... mkdirat resumed>) = 0 executing program [pid 788] rmdir("./config/usb_gadget/g1" [pid 786] rmdir("./config/usb_gadget/g1" [pid 788] <... rmdir resumed>) = 0 [pid 788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 788] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 786] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 789 [pid 786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 786] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 790 [pid 786] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 786] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 788] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 789 attached [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 789] set_robust_list(0x555579e166a0, 24) = 0 [pid 789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 789] setpgid(0, 0) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 791 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 786] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 789] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 792 [pid 789] <... write resumed>) = 4 [pid 789] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] <... close resumed>) = 0 [pid 789] write(1, "executing program\n", 18) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 792 attached ci2-android-5-15/strace-static-x86_64: Process 790 attached [pid 789] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 792] set_robust_list(0x555579e166a0, 24 [pid 789] mount(NULL, "./config", "configfs", 0, NULL [pid 792] <... set_robust_list resumed>) = 0 [pid 789] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 792] rt_sigprocmask(SIG_SETMASK, [] [pid 790] set_robust_list(0x555579e166a0, 24 [pid 789] <... mkdirat resumed>) = 0 [pid 789] rmdir("./config/usb_gadget/g1") = 0 [pid 789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 789] exit_group(0) = ? [pid 789] +++ exited with 0 +++ [pid 792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 790] <... set_robust_list resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] <... prctl resumed>) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 791 attached [pid 791] set_robust_list(0x555579e166a0, 24) = 0 [pid 792] setpgid(0, 0 [pid 791] rt_sigprocmask(SIG_SETMASK, [] [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 791] setpgid(0, 0) = 0 [pid 791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 791] write(3, "1000", 4) = 4 [pid 791] close(3 [pid 792] <... setpgid resumed>) = 0 [pid 790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 791] <... close resumed>) = 0 [pid 791] write(1, "executing program\n", 18) = 18 executing program [pid 791] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 791] mount(NULL, "./config", "configfs", 0, NULL [pid 792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 790] <... prctl resumed>) = 0 [pid 791] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 792] <... openat resumed>) = 3 [pid 792] write(3, "1000", 4 [pid 790] setpgid(0, 0 [pid 792] <... write resumed>) = 4 [pid 791] <... mkdirat resumed>) = 0 [pid 791] rmdir("./config/usb_gadget/g1" [pid 792] close(3 [pid 791] <... rmdir resumed>) = 0 [pid 791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 791] exit_group(0 [pid 792] <... close resumed>) = 0 [pid 790] <... setpgid resumed>) = 0 [pid 792] write(1, "executing program\n", 18 [pid 305] <... restart_syscall resumed>) = 0 [pid 791] <... exit_group resumed>) = ? [pid 792] <... write resumed>) = 18 [pid 790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 792] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 792] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 792] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 793 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 792] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 790] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 794 attached ci2-android-5-15/strace-static-x86_64: Process 793 attached [pid 791] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 794 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 793] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 793] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 793] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 795 attached [pid 794] set_robust_list(0x555579e166a0, 24 [pid 793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 792] <... mkdirat resumed>) = 0 [pid 790] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 795 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 792] rmdir("./config/usb_gadget/g1" [pid 795] set_robust_list(0x555579e166a0, 24 [pid 794] <... set_robust_list resumed>) = 0 [pid 793] <... prctl resumed>) = 0 [pid 790] <... write resumed>) = 4 [pid 793] setpgid(0, 0 [pid 795] <... set_robust_list resumed>) = 0 [pid 792] <... rmdir resumed>) = 0 [pid 795] rt_sigprocmask(SIG_SETMASK, [] [pid 794] rt_sigprocmask(SIG_SETMASK, [] [pid 792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 790] close(3 [pid 793] <... setpgid resumed>) = 0 [pid 795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 795] setpgid(0, 0) = 0 [pid 795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 793] <... openat resumed>) = 3 [pid 795] write(3, "1000", 4) = 4 [pid 795] close(3) = 0 [pid 793] write(3, "1000", 4 [pid 795] write(1, "executing program\n", 18) = 18 executing program [pid 795] mkdirat(AT_FDCWD, "./config", 0777 [pid 794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 793] <... write resumed>) = 4 [pid 792] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 790] <... close resumed>) = 0 [pid 795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 795] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 793] close(3 [pid 790] write(1, "executing program\n", 18 [pid 793] <... close resumed>) = 0 [pid 790] <... write resumed>) = 18 [pid 792] exit_group(0 executing program [pid 793] write(1, "executing program\n", 18 [pid 790] mkdirat(AT_FDCWD, "./config", 0777 [pid 795] <... mkdirat resumed>) = 0 [pid 795] rmdir("./config/usb_gadget/g1") = 0 [pid 795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 795] exit_group(0) = ? [pid 795] +++ exited with 0 +++ [pid 793] <... write resumed>) = 18 [pid 790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 793] mkdirat(AT_FDCWD, "./config", 0777 [pid 790] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] <... exit_group resumed>) = ? [pid 793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 793] mount(NULL, "./config", "configfs", 0, NULL [pid 790] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 794] setpgid(0, 0) = 0 [pid 794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 792] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 793] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 794] <... openat resumed>) = 3 [pid 794] write(3, "1000", 4) = 4 [pid 794] close(3) = 0 [pid 794] write(1, "executing program\n", 18 [pid 793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 794] <... write resumed>) = 18 [pid 794] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 794] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 790] <... mkdirat resumed>) = 0 [pid 790] rmdir("./config/usb_gadget/g1") = 0 [pid 790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall resumed>) = 0 [pid 790] exit_group(0) = ? [pid 790] +++ exited with 0 +++ executing program [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 793] <... mkdirat resumed>) = 0 [pid 793] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 796 [pid 304] <... restart_syscall resumed>) = 0 [pid 793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 793] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 796 attached [pid 793] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 797 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 794] <... mkdirat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 794] rmdir("./config/usb_gadget/g1" [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 797 attached [pid 796] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 796] <... set_robust_list resumed>) = 0 [pid 794] <... rmdir resumed>) = 0 [pid 794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 798 ci2-android-5-15/strace-static-x86_64: Process 798 attached [pid 797] set_robust_list(0x555579e166a0, 24 [pid 796] rt_sigprocmask(SIG_SETMASK, [] [pid 794] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 797] <... set_robust_list resumed>) = 0 [pid 796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 798] set_robust_list(0x555579e166a0, 24 [pid 796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 797] rt_sigprocmask(SIG_SETMASK, [] [pid 796] <... prctl resumed>) = 0 [pid 798] <... set_robust_list resumed>) = 0 [pid 797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 796] setpgid(0, 0 [pid 798] rt_sigprocmask(SIG_SETMASK, [] [pid 797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 796] <... setpgid resumed>) = 0 [pid 798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 794] <... exit_group resumed>) = ? [pid 797] <... prctl resumed>) = 0 [pid 797] setpgid(0, 0) = 0 [pid 797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 797] <... openat resumed>) = 3 [pid 797] write(3, "1000", 4 [pid 796] <... openat resumed>) = 3 [pid 797] <... write resumed>) = 4 [pid 796] write(3, "1000", 4 [pid 797] close(3 [pid 796] <... write resumed>) = 4 [pid 797] <... close resumed>) = 0 [pid 796] close(3 [pid 797] write(1, "executing program\n", 18 [pid 796] <... close resumed>) = 0 [pid 797] <... write resumed>) = 18 executing program executing program [pid 796] write(1, "executing program\n", 18 [pid 797] mkdirat(AT_FDCWD, "./config", 0777 [pid 796] <... write resumed>) = 18 [pid 797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 796] mkdirat(AT_FDCWD, "./config", 0777 [pid 798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 797] mount(NULL, "./config", "configfs", 0, NULL [pid 796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 798] <... prctl resumed>) = 0 [pid 797] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 796] mount(NULL, "./config", "configfs", 0, NULL [pid 797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 798] setpgid(0, 0 [pid 797] <... mkdirat resumed>) = 0 [pid 796] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 797] rmdir("./config/usb_gadget/g1") = 0 [pid 797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 797] exit_group(0) = ? [pid 798] <... setpgid resumed>) = 0 [pid 797] +++ exited with 0 +++ [pid 796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 794] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 798] <... openat resumed>) = 3 [pid 798] write(3, "1000", 4) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 798] close(3) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 796] <... mkdirat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 798] write(1, "executing program\n", 18) = 18 [pid 798] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 798] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 799 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 800 [pid 796] rmdir("./config/usb_gadget/g1" [pid 798] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 798] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 796] <... rmdir resumed>) = 0 [pid 798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 798] exit_group(0) = ? executing program [pid 798] +++ exited with 0 +++ [pid 796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 800 attached ci2-android-5-15/strace-static-x86_64: Process 799 attached ) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 799] set_robust_list(0x555579e166a0, 24 [pid 796] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 796] <... exit_group resumed>) = ? [pid 799] <... set_robust_list resumed>) = 0 [pid 799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 799] setpgid(0, 0) = 0 [pid 799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 796] +++ exited with 0 +++ [pid 799] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 799] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 800] set_robust_list(0x555579e166a0, 24 [pid 799] <... write resumed>) = 4 [pid 799] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 799] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 799] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 800] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 801 attached executing program [pid 800] rt_sigprocmask(SIG_SETMASK, [] [pid 799] <... write resumed>) = 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 801] set_robust_list(0x555579e166a0, 24 [pid 799] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 801 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 801] <... set_robust_list resumed>) = 0 [pid 800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 801] rt_sigprocmask(SIG_SETMASK, [] [pid 800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 799] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 799] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 802 attached [pid 800] <... prctl resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 802 [pid 802] set_robust_list(0x555579e166a0, 24 [pid 801] <... prctl resumed>) = 0 [pid 799] <... mkdirat resumed>) = 0 [pid 801] setpgid(0, 0 [pid 799] rmdir("./config/usb_gadget/g1" [pid 801] <... setpgid resumed>) = 0 [pid 800] setpgid(0, 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 802] <... set_robust_list resumed>) = 0 [pid 801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 800] <... setpgid resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 799] <... rmdir resumed>) = 0 [pid 801] <... openat resumed>) = 3 [pid 799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 801] write(3, "1000", 4 [pid 799] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 801] <... write resumed>) = 4 [pid 799] exit_group(0 [pid 801] close(3 [pid 799] <... exit_group resumed>) = ? [pid 802] rt_sigprocmask(SIG_SETMASK, [] [pid 800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 801] <... close resumed>) = 0 [pid 799] +++ exited with 0 +++ [pid 802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 800] <... openat resumed>) = 3 [pid 802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 801] write(1, "executing program\n", 18 executing program [pid 800] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 802] <... prctl resumed>) = 0 [pid 801] <... write resumed>) = 18 [pid 800] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 802] setpgid(0, 0 [pid 801] mkdirat(AT_FDCWD, "./config", 0777 [pid 800] close(3 [pid 802] <... setpgid resumed>) = 0 [pid 802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 802] write(3, "1000", 4) = 4 [pid 802] close(3) = 0 [pid 802] write(1, "executing program\n", 18 [pid 800] <... close resumed>) = 0 [pid 802] <... write resumed>) = 18 executing program [pid 802] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 800] write(1, "executing program\n", 18 [pid 802] mount(NULL, "./config", "configfs", 0, NULL [pid 800] <... write resumed>) = 18 [pid 802] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 800] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 800] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 800] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 802] <... mkdirat resumed>) = 0 [pid 802] rmdir("./config/usb_gadget/g1") = 0 [pid 802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 802] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 802] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 803 ci2-android-5-15/strace-static-x86_64: Process 803 attached [pid 803] set_robust_list(0x555579e166a0, 24) = 0 [pid 803] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 803] setpgid(0, 0) = 0 [pid 803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 800] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 803] write(3, "1000", 4) = 4 [pid 803] close(3) = 0 [pid 803] write(1, "executing program\n", 18) = 18 [pid 803] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 803] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 803] rmdir("./config/usb_gadget/g1") = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 804 [pid 803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 803] exit_group(0) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 800] rmdir("./config/usb_gadget/g1" [pid 803] +++ exited with 0 +++ [pid 801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 800] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 800] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 804 attached [pid 800] exit_group(0) = ? [pid 804] set_robust_list(0x555579e166a0, 24) = 0 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 804] setpgid(0, 0) = 0 [pid 800] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... restart_syscall resumed>) = 0 [pid 804] <... openat resumed>) = 3 [pid 804] write(3, "1000", 4) = 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 801] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 801] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 801] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 805 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 801] exit_group(0 [pid 804] close(3) = 0 [pid 801] <... exit_group resumed>) = ? [pid 804] write(1, "executing program\n", 18 [pid 801] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 807 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 806 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 804] <... write resumed>) = 18 [pid 804] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 804] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 807 attached ci2-android-5-15/strace-static-x86_64: Process 806 attached ci2-android-5-15/strace-static-x86_64: Process 805 attached ) = -1 EBUSY (Device or resource busy) [pid 804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 807] set_robust_list(0x555579e166a0, 24 [pid 806] set_robust_list(0x555579e166a0, 24 [pid 805] set_robust_list(0x555579e166a0, 24 [pid 804] <... mkdirat resumed>) = 0 [pid 804] rmdir("./config/usb_gadget/g1" [pid 807] <... set_robust_list resumed>) = 0 [pid 807] rt_sigprocmask(SIG_SETMASK, [] [pid 804] <... rmdir resumed>) = 0 [pid 807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 804] exit_group(0 [pid 807] <... openat resumed>) = 3 [pid 804] <... exit_group resumed>) = ? [pid 807] write(3, "1000", 4 [pid 806] <... set_robust_list resumed>) = 0 [pid 805] <... set_robust_list resumed>) = 0 [pid 807] <... write resumed>) = 4 [pid 806] rt_sigprocmask(SIG_SETMASK, [] [pid 804] +++ exited with 0 +++ [pid 805] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 807] close(3 [pid 805] <... prctl resumed>) = 0 [pid 805] setpgid(0, 0) = 0 [pid 807] <... close resumed>) = 0 [pid 806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 807] write(1, "executing program\n", 18 [pid 806] <... prctl resumed>) = 0 [pid 807] <... write resumed>) = 18 executing program [pid 806] setpgid(0, 0 [pid 807] mkdirat(AT_FDCWD, "./config", 0777 [pid 806] <... setpgid resumed>) = 0 [pid 807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 807] mount(NULL, "./config", "configfs", 0, NULL [pid 806] <... openat resumed>) = 3 [pid 807] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 806] write(3, "1000", 4 [pid 805] <... openat resumed>) = 3 [pid 807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 806] <... write resumed>) = 4 [pid 806] close(3 [pid 805] write(3, "1000", 4 [pid 806] <... close resumed>) = 0 [pid 806] write(1, "executing program\n", 18 [pid 805] <... write resumed>) = 4 [pid 805] close(3) = 0 executing program [pid 805] write(1, "executing program\n", 18) = 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 807] <... mkdirat resumed>) = 0 [pid 806] <... write resumed>) = 18 executing program [pid 805] mkdirat(AT_FDCWD, "./config", 0777 [pid 807] rmdir("./config/usb_gadget/g1" [pid 806] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 806] mount(NULL, "./config", "configfs", 0, NULL [pid 805] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 805] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 807] <... rmdir resumed>) = 0 [pid 806] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 808 attached [pid 808] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 808 [pid 808] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 808] rt_sigprocmask(SIG_SETMASK, [] [pid 806] <... mkdirat resumed>) = 0 [pid 805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 805] rmdir("./config/usb_gadget/g1" [pid 808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 806] rmdir("./config/usb_gadget/g1" [pid 808] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 809 attached [pid 808] setpgid(0, 0 [pid 807] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 809] set_robust_list(0x555579e166a0, 24 [pid 808] <... setpgid resumed>) = 0 [pid 807] exit_group(0 [pid 806] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 805] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 809 [pid 806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 807] <... exit_group resumed>) = ? [pid 806] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 809] <... set_robust_list resumed>) = 0 [pid 805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 806] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 806] <... exit_group resumed>) = ? [pid 805] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 806] +++ exited with 0 +++ [pid 807] +++ exited with 0 +++ [pid 805] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 808] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 805] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 808] write(3, "1000", 4 [pid 809] rt_sigprocmask(SIG_SETMASK, [] [pid 808] <... write resumed>) = 4 [pid 809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 808] close(3 [pid 809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 808] <... close resumed>) = 0 [pid 805] +++ exited with 0 +++ [pid 808] write(1, "executing program\n", 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 809] <... prctl resumed>) = 0 [pid 808] <... write resumed>) = 18 executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 809] setpgid(0, 0 [pid 808] mkdirat(AT_FDCWD, "./config", 0777 [pid 809] <... setpgid resumed>) = 0 [pid 808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 808] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 809] <... openat resumed>) = 3 [pid 809] write(3, "1000", 4) = 4 [pid 809] close(3) = 0 executing program [pid 809] write(1, "executing program\n", 18) = 18 [pid 809] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 809] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 808] <... mkdirat resumed>) = 0 [pid 809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 809] rmdir("./config/usb_gadget/g1" [pid 808] rmdir("./config/usb_gadget/g1" [pid 809] <... rmdir resumed>) = 0 [pid 808] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 809] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 808] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 809] exit_group(0 [pid 808] exit_group(0 [pid 809] <... exit_group resumed>) = ? [pid 808] <... exit_group resumed>) = ? [pid 809] +++ exited with 0 +++ [pid 808] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... 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 307] <... 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 810 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 810 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 811 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 810] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 811 attached [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 812 attached [pid 811] set_robust_list(0x555579e166a0, 24 [pid 810] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 812 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 813 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 810] rt_sigprocmask(SIG_SETMASK, [] [pid 811] <... set_robust_list resumed>) = 0 [pid 810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 811] rt_sigprocmask(SIG_SETMASK, [] [pid 810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 810] <... prctl resumed>) = 0 [pid 811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 812] set_robust_list(0x555579e166a0, 24 [pid 810] setpgid(0, 0 [pid 811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 810] <... setpgid resumed>) = 0 [pid 811] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 814 attached [pid 811] setpgid(0, 0 [pid 810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 814 [pid 814] set_robust_list(0x555579e166a0, 24) = 0 [pid 814] rt_sigprocmask(SIG_SETMASK, [] [pid 811] <... setpgid resumed>) = 0 [pid 814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 813 attached [pid 812] <... set_robust_list resumed>) = 0 [pid 811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 810] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 814] setpgid(0, 0) = 0 [pid 814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 811] <... openat resumed>) = 3 [pid 810] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 814] <... openat resumed>) = 3 [pid 811] write(3, "1000", 4 [pid 810] <... write resumed>) = 4 [pid 812] rt_sigprocmask(SIG_SETMASK, [] [pid 811] <... write resumed>) = 4 [pid 810] close(3 [pid 814] write(3, "1000", 4) = 4 [pid 814] close(3) = 0 [pid 811] close(3 [pid 810] <... close resumed>) = 0 [pid 814] write(1, "executing program\n", 18) = 18 executing program [pid 814] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 814] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 811] <... close resumed>) = 0 [pid 814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 813] set_robust_list(0x555579e166a0, 24 [pid 812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 811] write(1, "executing program\n", 18 [pid 810] write(1, "executing program\n", 18 executing program executing program [pid 814] rmdir("./config/usb_gadget/g1" [pid 813] <... set_robust_list resumed>) = 0 [pid 812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 811] <... write resumed>) = 18 [pid 810] <... write resumed>) = 18 [pid 814] <... rmdir resumed>) = 0 [pid 812] <... prctl resumed>) = 0 [pid 811] mkdirat(AT_FDCWD, "./config", 0777 [pid 810] mkdirat(AT_FDCWD, "./config", 0777 [pid 814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 813] rt_sigprocmask(SIG_SETMASK, [] [pid 812] setpgid(0, 0 [pid 811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 814] exit_group(0 [pid 811] mount(NULL, "./config", "configfs", 0, NULL [pid 810] mount(NULL, "./config", "configfs", 0, NULL [pid 813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 812] <... setpgid resumed>) = 0 [pid 814] <... exit_group resumed>) = ? [pid 814] +++ exited with 0 +++ [pid 813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 811] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 810] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 812] <... openat resumed>) = 3 [pid 811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 813] <... prctl resumed>) = 0 [pid 812] write(3, "1000", 4 [pid 811] <... mkdirat resumed>) = 0 [pid 810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 812] <... write resumed>) = 4 [pid 811] rmdir("./config/usb_gadget/g1" [pid 810] rmdir("./config/usb_gadget/g1" [pid 813] setpgid(0, 0 [pid 812] close(3 [pid 811] <... rmdir resumed>) = 0 [pid 810] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 812] <... close resumed>) = 0 [pid 810] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 811] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 810] exit_group(0 [pid 812] write(1, "executing program\n", 18 [pid 811] exit_group(0 [pid 810] <... exit_group resumed>) = ? [pid 810] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 812] <... write resumed>) = 18 [pid 811] <... exit_group resumed>) = ? [pid 811] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 812] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 813] <... setpgid resumed>) = 0 [pid 812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 813] write(3, "1000", 4 [pid 812] mount(NULL, "./config", "configfs", 0, NULL [pid 813] <... write resumed>) = 4 [pid 812] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 813] close(3 [pid 812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall 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=0x555579e16690) = 815 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 815 attached [pid 815] set_robust_list(0x555579e166a0, 24) = 0 [pid 812] <... mkdirat resumed>) = 0 [pid 815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 815] setpgid(0, 0 [pid 813] <... close resumed>) = 0 [pid 812] rmdir("./config/usb_gadget/g1" [pid 815] <... setpgid resumed>) = 0 [pid 815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 815] write(3, "1000", 4) = 4 [pid 815] close(3) = 0 [pid 815] write(1, "executing program\n", 18) = 18 executing program [pid 815] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 815] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 815] rmdir("./config/usb_gadget/g1") = 0 [pid 812] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 813] write(1, "executing program\n", 18 [pid 812] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 812] exit_group(0) = ? [pid 815] exit_group(0) = ? [pid 812] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 815] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 813] <... write resumed>) = 18 [pid 813] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 813] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 307] <... 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 813] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 816 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 816 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 817 [pid 813] <... rmdir resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 816] set_robust_list(0x555579e166a0, 24 [pid 813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 816] <... set_robust_list resumed>) = 0 [pid 813] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 813] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 816] rt_sigprocmask(SIG_SETMASK, [] [pid 813] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 818 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 817 attached [pid 817] set_robust_list(0x555579e166a0, 24 [pid 813] +++ exited with 0 +++ [pid 816] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 818 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 818] set_robust_list(0x555579e166a0, 24 [pid 816] <... prctl resumed>) = 0 [pid 818] <... set_robust_list resumed>) = 0 [pid 816] setpgid(0, 0) = 0 [pid 816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 818] rt_sigprocmask(SIG_SETMASK, [] [pid 816] <... openat resumed>) = 3 [pid 818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 816] write(3, "1000", 4) = 4 [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 816] close(3 [pid 818] <... prctl resumed>) = 0 [pid 816] <... close resumed>) = 0 [pid 818] setpgid(0, 0 [pid 816] write(1, "executing program\n", 18 [pid 818] <... setpgid resumed>) = 0 [pid 816] <... write resumed>) = 18 [pid 816] mkdirat(AT_FDCWD, "./config", 0777 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 816] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall 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=0x555579e16690) = 819 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] <... set_robust_list resumed>) = 0 [pid 817] rt_sigprocmask(SIG_SETMASK, [] [pid 816] <... mkdirat resumed>) = 0 [pid 818] <... openat resumed>) = 3 [pid 816] rmdir("./config/usb_gadget/g1" [pid 818] write(3, "1000", 4 [pid 817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 817] setpgid(0, 0) = 0 [pid 817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 818] <... write resumed>) = 4 [pid 816] <... rmdir resumed>) = 0 [pid 817] <... openat resumed>) = 3 [pid 816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 818] close(3 [pid 817] write(3, "1000", 4 [pid 818] <... close resumed>) = 0 [pid 816] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 818] write(1, "executing program\n", 18 [pid 817] <... write resumed>) = 4 executing program [pid 818] <... write resumed>) = 18 [pid 817] close(3 [pid 816] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 819 attached [pid 819] set_robust_list(0x555579e166a0, 24) = 0 [pid 816] <... exit_group resumed>) = ? [pid 819] rt_sigprocmask(SIG_SETMASK, [] [pid 818] mkdirat(AT_FDCWD, "./config", 0777 [pid 819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 819] setpgid(0, 0) = 0 [pid 816] +++ exited with 0 +++ [pid 819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 819] <... openat resumed>) = 3 [pid 818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 817] <... close resumed>) = 0 [pid 819] write(3, "1000", 4) = 4 [pid 819] close(3) = 0 [pid 818] mount(NULL, "./config", "configfs", 0, NULL [pid 819] write(1, "executing program\n", 18) = 18 [pid 819] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 819] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 818] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 817] write(1, "executing program\n", 18 [pid 818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 819] <... mkdirat resumed>) = 0 [pid 819] rmdir("./config/usb_gadget/g1") = 0 [pid 819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 820 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 817] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 817] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 819] exit_group(0 [pid 817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 821 [pid 819] <... exit_group resumed>) = ? [pid 817] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 819] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 821 attached [pid 821] set_robust_list(0x555579e166a0, 24) = 0 [pid 821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 821] setpgid(0, 0) = 0 [pid 821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 821] write(3, "1000", 4) = 4 [pid 818] <... mkdirat resumed>) = 0 [pid 817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 821] close(3) = 0 [pid 821] write(1, "executing program\n", 18) = 18 executing program [pid 821] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 818] rmdir("./config/usb_gadget/g1" [pid 817] rmdir("./config/usb_gadget/g1" [ 29.791052][ T807] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.791052][ T807] 7) [pid 821] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 820 attached [pid 818] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 817] <... rmdir resumed>) = 0 [pid 818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 818] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 817] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 818] exit_group(0 [pid 817] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 822 [pid 821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 818] <... exit_group resumed>) = ? [pid 817] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 820] set_robust_list(0x555579e166a0, 24) = 0 [pid 820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 820] setpgid(0, 0) = 0 [pid 820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 818] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 820] <... openat resumed>) = 3 [pid 820] write(3, "1000", 4) = 4 [pid 820] close(3) = 0 [pid 817] +++ exited with 0 +++ [pid 820] write(1, "executing program\n", 18) = 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 820] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 820] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 822 attached [pid 821] <... mkdirat resumed>) = 0 [pid 820] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 821] rmdir("./config/usb_gadget/g1") = 0 [pid 821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 821] exit_group(0) = ? [pid 822] set_robust_list(0x555579e166a0, 24 [pid 820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 822] <... set_robust_list resumed>) = 0 [pid 822] rt_sigprocmask(SIG_SETMASK, [] [pid 821] +++ exited with 0 +++ [pid 822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 820] <... mkdirat resumed>) = 0 [pid 822] setpgid(0, 0) = 0 [pid 820] rmdir("./config/usb_gadget/g1" [pid 822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 822] write(3, "1000", 4) = 4 [pid 822] close(3) = 0 [pid 822] write(1, "executing program\n", 18) = 18 [pid 822] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 822] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 820] <... rmdir resumed>) = 0 executing program [pid 820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 822] <... mkdirat resumed>) = 0 [pid 822] rmdir("./config/usb_gadget/g1") = 0 [pid 822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 822] exit_group(0) = ? [pid 822] +++ exited with 0 +++ [pid 820] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 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 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 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 823 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 824 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] 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 ci2-android-5-15/strace-static-x86_64: Process 823 attached [pid 823] set_robust_list(0x555579e166a0, 24) = 0 [pid 823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 823] setpgid(0, 0) = 0 [pid 823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 825 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 826 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 823] <... openat resumed>) = 3 [pid 823] write(3, "1000", 4) = 4 [pid 823] close(3) = 0 [pid 823] write(1, "executing program\n", 18 executing program [pid 820] exit_group(0 [pid 823] <... write resumed>) = 18 [pid 823] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 826 attached ci2-android-5-15/strace-static-x86_64: Process 825 attached ci2-android-5-15/strace-static-x86_64: Process 824 attached [pid 820] <... exit_group resumed>) = ? [pid 823] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 823] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 820] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 823] <... mkdirat resumed>) = 0 [pid 823] rmdir("./config/usb_gadget/g1" [pid 825] set_robust_list(0x555579e166a0, 24) = 0 [pid 825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 825] setpgid(0, 0) = 0 [pid 825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 826] set_robust_list(0x555579e166a0, 24 [pid 825] write(3, "1000", 4) = 4 [pid 825] close(3) = 0 [pid 825] write(1, "executing program\n", 18) = 18 [pid 825] mkdirat(AT_FDCWD, "./config", 0777 [pid 826] <... set_robust_list resumed>) = 0 executing program [pid 824] set_robust_list(0x555579e166a0, 24 [pid 825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 825] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 823] <... rmdir resumed>) = 0 [pid 825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 826] rt_sigprocmask(SIG_SETMASK, [] [pid 825] rmdir("./config/usb_gadget/g1" [pid 824] <... set_robust_list resumed>) = 0 [pid 826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 826] setpgid(0, 0) = 0 [pid 826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 824] rt_sigprocmask(SIG_SETMASK, [] [pid 826] write(3, "1000", 4) = 4 [pid 826] close(3 [pid 824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 826] <... close resumed>) = 0 [pid 824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 826] write(1, "executing program\n", 18) = 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 826] mkdirat(AT_FDCWD, "./config", 0777 [pid 824] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 823] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 824] setpgid(0, 0) = 0 [pid 824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 826] mount(NULL, "./config", "configfs", 0, NULL [pid 823] exit_group(0) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 827 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 824] <... openat resumed>) = 3 [pid 826] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 824] write(3, "1000", 4) = 4 [pid 824] close(3 [pid 823] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 827 attached [pid 826] <... mkdirat resumed>) = 0 [pid 825] <... rmdir resumed>) = 0 [pid 824] <... close resumed>) = 0 [pid 825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 827] set_robust_list(0x555579e166a0, 24 [pid 826] rmdir("./config/usb_gadget/g1" [pid 824] write(1, "executing program\n", 18 [pid 308] <... 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, child_tidptr=0x555579e16690) = 828 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 827] <... set_robust_list resumed>) = 0 [pid 824] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 827] setpgid(0, 0) = 0 [pid 827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 827] write(3, "1000", 4) = 4 [pid 827] close(3) = 0 [pid 827] write(1, "executing program\n", 18) = 18 [pid 827] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 827] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 828 attached executing program ) = -1 EBUSY (Device or resource busy) [pid 825] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 824] mkdirat(AT_FDCWD, "./config", 0777 [pid 828] set_robust_list(0x555579e166a0, 24 [pid 827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 825] exit_group(0 [pid 824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 828] <... set_robust_list resumed>) = 0 [pid 825] <... exit_group resumed>) = ? [pid 824] mount(NULL, "./config", "configfs", 0, NULL [pid 828] rt_sigprocmask(SIG_SETMASK, [] [pid 826] <... rmdir resumed>) = 0 [pid 825] +++ exited with 0 +++ [pid 824] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 828] <... prctl resumed>) = 0 [pid 828] setpgid(0, 0) = 0 [pid 828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=825, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 828] write(3, "1000", 4) = 4 [pid 828] close(3) = 0 [pid 828] write(1, "executing program\n", 18) = 18 [pid 828] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 828] mount(NULL, "./config", "configfs", 0, NULL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 828] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 827] <... mkdirat resumed>) = 0 [pid 824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 828] rmdir("./config/usb_gadget/g1" [pid 827] rmdir("./config/usb_gadget/g1" [pid 826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 828] <... rmdir resumed>) = 0 [pid 827] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 826] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 824] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 826] exit_group(0 [pid 824] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 828] exit_group(0) = ? [pid 824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 827] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 826] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 828] +++ exited with 0 +++ [pid 827] exit_group(0 [pid 824] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 829 [pid 826] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 827] <... exit_group resumed>) = ? [pid 824] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 824] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 827] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 830 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 830 attached [pid 830] set_robust_list(0x555579e166a0, 24) = 0 [pid 824] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=824, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 830] setpgid(0, 0) = 0 [pid 830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 829 attached ) = 3 [pid 830] write(3, "1000", 4) = 4 [pid 830] close(3) = 0 [pid 830] write(1, "executing program\n", 18) = 18 executing program [pid 830] mkdirat(AT_FDCWD, "./config", 0777 [pid 829] set_robust_list(0x555579e166a0, 24 [pid 830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 830] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 829] <... set_robust_list resumed>) = 0 [pid 830] <... mkdirat resumed>) = 0 [pid 829] rt_sigprocmask(SIG_SETMASK, [] [pid 830] rmdir("./config/usb_gadget/g1") = 0 [pid 830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 830] exit_group(0) = ? [pid 829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 830] +++ exited with 0 +++ [pid 829] <... prctl resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 831 attached [pid 829] setpgid(0, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 831 [pid 829] <... setpgid resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 831] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 831] <... set_robust_list resumed>) = 0 [pid 829] <... openat resumed>) = 3 [pid 829] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 832 attached [pid 832] set_robust_list(0x555579e166a0, 24 [pid 831] rt_sigprocmask(SIG_SETMASK, [] [pid 829] <... write resumed>) = 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 832 [pid 829] close(3) = 0 [pid 829] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 829] <... write resumed>) = 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 829] mkdirat(AT_FDCWD, "./config", 0777 [pid 832] <... set_robust_list resumed>) = 0 [pid 831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 829] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 832] rt_sigprocmask(SIG_SETMASK, [] [pid 831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 829] <... mkdirat resumed>) = 0 [pid 829] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 829] exit_group(0) = ? [pid 832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 831] <... prctl resumed>) = 0 [pid 829] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 832] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 832] setpgid(0, 0) = 0 [pid 832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [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 832] write(3, "1000", 4) = 4 [pid 832] close(3) = 0 [pid 832] write(1, "executing program\n", 18) = 18 [pid 832] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 833 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 834 [pid 832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 832] mount(NULL, "./config", "configfs", 0, NULL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 832] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 832] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 835 [pid 832] <... rmdir resumed>) = 0 [pid 832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 832] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 832] <... exit_group resumed>) = ? [pid 832] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 835 attached ci2-android-5-15/strace-static-x86_64: Process 834 attached ci2-android-5-15/strace-static-x86_64: Process 833 attached [pid 831] <... setpgid resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 834] set_robust_list(0x555579e166a0, 24 [pid 833] set_robust_list(0x555579e166a0, 24 [pid 831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 835] set_robust_list(0x555579e166a0, 24 [pid 831] <... openat resumed>) = 3 [pid 834] <... set_robust_list resumed>) = 0 [pid 833] <... set_robust_list resumed>) = 0 [pid 835] <... set_robust_list resumed>) = 0 [pid 835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] write(3, "1000", 4 [pid 835] <... prctl resumed>) = 0 [pid 834] rt_sigprocmask(SIG_SETMASK, [] [pid 833] rt_sigprocmask(SIG_SETMASK, [] [pid 831] <... write resumed>) = 4 [pid 831] close(3) = 0 [pid 831] write(1, "executing program\n", 18) = 18 executing program [pid 831] mkdirat(AT_FDCWD, "./config", 0777 [pid 835] setpgid(0, 0 [pid 834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 831] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 835] <... setpgid resumed>) = 0 [pid 834] <... prctl resumed>) = 0 [pid 833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] <... mkdirat resumed>) = 0 [pid 831] rmdir("./config/usb_gadget/g1" [pid 834] setpgid(0, 0 [pid 831] <... rmdir resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 834] <... setpgid resumed>) = 0 [pid 831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 835] <... openat resumed>) = 3 [pid 834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 833] <... prctl resumed>) = 0 [pid 831] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 835] write(3, "1000", 4 [pid 834] <... openat resumed>) = 3 [pid 833] setpgid(0, 0 [pid 831] exit_group(0 [pid 835] <... write resumed>) = 4 [pid 834] write(3, "1000", 4 [pid 831] <... exit_group resumed>) = ? [pid 835] close(3 [pid 834] <... write resumed>) = 4 [pid 833] <... setpgid resumed>) = 0 [pid 831] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 835] <... close resumed>) = 0 [pid 834] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 835] write(1, "executing program\n", 18 [pid 834] <... close resumed>) = 0 [pid 835] <... write resumed>) = 18 [pid 834] write(1, "executing program\n", 18 [pid 835] mkdirat(AT_FDCWD, "./config", 0777 [pid 834] <... write resumed>) = 18 executing program executing program [pid 835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 834] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 836 [pid 835] mount(NULL, "./config", "configfs", 0, NULL [pid 834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 834] mount(NULL, "./config", "configfs", 0, NULL [pid 833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 835] <... mkdirat resumed>) = 0 [pid 834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 833] <... openat resumed>) = 3 [pid 835] rmdir("./config/usb_gadget/g1" [pid 834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 835] <... rmdir resumed>) = 0 [pid 834] rmdir("./config/usb_gadget/g1" [pid 835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 834] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 835] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 835] exit_group(0 [pid 834] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 835] <... exit_group resumed>) = ? [pid 834] exit_group(0 [pid 835] +++ exited with 0 +++ [pid 834] <... exit_group resumed>) = ? [pid 833] write(3, "1000", 4 [pid 834] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 836 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 836] set_robust_list(0x555579e166a0, 24 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 836] <... set_robust_list resumed>) = 0 [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 836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 836] setpgid(0, 0) = 0 [pid 836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 836] write(3, "1000", 4) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 837 [pid 836] close(3) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 838 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 833] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 833] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 836] write(1, "executing program\n", 18 [pid 833] <... close resumed>) = 0 [pid 836] <... write resumed>) = 18 executing program [pid 836] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 838 attached [pid 833] write(1, "executing program\n", 18 [pid 836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 836] mount(NULL, "./config", "configfs", 0, NULL [pid 833] <... write resumed>) = 18 executing program [pid 836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [ 29.889120][ T823] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.889120][ T823] 7) [ 29.902359][ T825] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.902359][ T825] 7) [pid 833] mkdirat(AT_FDCWD, "./config", 0777 [pid 838] set_robust_list(0x555579e166a0, 24 [pid 836] <... mkdirat resumed>) = 0 [pid 833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 836] rmdir("./config/usb_gadget/g1") = 0 [pid 836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 836] exit_group(0) = ? [pid 836] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 837 attached [pid 837] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 837] rt_sigprocmask(SIG_SETMASK, [] [pid 833] mount(NULL, "./config", "configfs", 0, NULL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 837] setpgid(0, 0) = 0 [pid 837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 837] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 839 [pid 837] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 837] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 837] <... close resumed>) = 0 [pid 837] write(1, "executing program\n", 18) = 18 [pid 837] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 837] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 839 attached [pid 839] set_robust_list(0x555579e166a0, 24) = 0 [pid 839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 839] setpgid(0, 0) = 0 [pid 839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 833] <... mkdirat resumed>) = 0 executing program [pid 837] rmdir("./config/usb_gadget/g1" [pid 838] <... set_robust_list resumed>) = 0 [pid 837] <... rmdir resumed>) = 0 [pid 833] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 837] exit_group(0) = ? [pid 837] +++ exited with 0 +++ [pid 833] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 838] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 833] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 839] <... openat resumed>) = 3 [pid 839] write(3, "1000", 4) = 4 [pid 839] close(3) = 0 [pid 839] write(1, "executing program\n", 18) = 18 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 840 [pid 833] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 833] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 839] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 840 attached [pid 838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 839] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 833] +++ exited with 0 +++ [pid 839] <... mkdirat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 839] rmdir("./config/usb_gadget/g1" [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 839] <... rmdir resumed>) = 0 [pid 839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] <... restart_syscall resumed>) = 0 [pid 839] exit_group(0) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 841 ci2-android-5-15/strace-static-x86_64: Process 841 attached [pid 839] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 841] set_robust_list(0x555579e166a0, 24 [pid 838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 840] set_robust_list(0x555579e166a0, 24) = 0 [pid 841] <... set_robust_list resumed>) = 0 [pid 838] <... prctl resumed>) = 0 [pid 838] setpgid(0, 0) = 0 [pid 838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 841] rt_sigprocmask(SIG_SETMASK, [] [pid 840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 840] <... prctl resumed>) = 0 [pid 840] setpgid(0, 0) = 0 [pid 841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 841] setpgid(0, 0 [pid 838] <... openat resumed>) = 3 [pid 841] <... setpgid resumed>) = 0 [pid 838] write(3, "1000", 4) = 4 [pid 838] close(3) = 0 [pid 838] write(1, "executing program\n", 18 [pid 840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 838] <... write resumed>) = 18 [pid 838] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 841] <... openat resumed>) = 3 [pid 841] write(3, "1000", 4 [pid 838] mount(NULL, "./config", "configfs", 0, NULL [pid 840] <... openat resumed>) = 3 [pid 841] <... write resumed>) = 4 [pid 841] close(3 [pid 838] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 841] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 840] write(3, "1000", 4 [pid 841] write(1, "executing program\n", 18 [pid 838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 841] <... write resumed>) = 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 841] mkdirat(AT_FDCWD, "./config", 0777 [pid 840] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 838] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 840] close(3) = 0 [pid 840] write(1, "executing program\n", 18) = 18 [pid 840] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 840] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 840] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 842 [pid 838] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 838] exit_group(0) = ? executing program ci2-android-5-15/strace-static-x86_64: Process 842 attached [pid 841] mount(NULL, "./config", "configfs", 0, NULL [pid 838] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 841] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 840] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 840] exit_group(0) = ? [pid 840] +++ exited with 0 +++ [pid 842] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 842] setpgid(0, 0) = 0 [pid 842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 842] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 842] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 841] <... mkdirat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 842] <... write resumed>) = 4 [pid 842] close(3) = 0 [pid 842] write(1, "executing program\n", 18) = 18 [pid 842] mkdirat(AT_FDCWD, "./config", 0777 [pid 841] rmdir("./config/usb_gadget/g1" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 843 [pid 842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 842] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 842] rmdir("./config/usb_gadget/g1" [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 844 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 844 attached [pid 844] set_robust_list(0x555579e166a0, 24) = 0 [pid 844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 845 [pid 844] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 844] setpgid(0, 0) = 0 [pid 844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 843 attached [pid 843] set_robust_list(0x555579e166a0, 24 [pid 844] <... openat resumed>) = 3 [pid 843] <... set_robust_list resumed>) = 0 [pid 843] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 844] write(3, "1000", 4 [pid 842] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 841] <... rmdir resumed>) = 0 [pid 842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 845 attached [pid 842] exit_group(0 [pid 841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 842] <... exit_group resumed>) = ? [pid 845] set_robust_list(0x555579e166a0, 24 [pid 842] +++ exited with 0 +++ [pid 841] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 844] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 841] exit_group(0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 841] <... exit_group resumed>) = ? [pid 844] close(3) = 0 [pid 844] write(1, "executing program\n", 18 [pid 843] <... prctl resumed>) = 0 [pid 844] <... write resumed>) = 18 executing program [pid 843] setpgid(0, 0 [pid 844] mkdirat(AT_FDCWD, "./config", 0777 [pid 843] <... setpgid resumed>) = 0 [pid 843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 841] +++ exited with 0 +++ [pid 844] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 845] <... set_robust_list resumed>) = 0 [pid 843] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 845] rt_sigprocmask(SIG_SETMASK, [] [pid 844] <... mkdirat resumed>) = 0 [pid 843] write(3, "1000", 4) = 4 [pid 843] close(3) = 0 [pid 843] write(1, "executing program\n", 18) = 18 [pid 843] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 843] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 843] rmdir("./config/usb_gadget/g1" [pid 845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 843] <... rmdir resumed>) = 0 [pid 844] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 844] exit_group(0) = ? [pid 845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 844] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 843] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 843] exit_group(0) = ? [pid 845] <... prctl resumed>) = 0 [pid 843] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 846 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 846 attached [pid 846] set_robust_list(0x555579e166a0, 24) = 0 [pid 846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 846] setpgid(0, 0 [pid 845] setpgid(0, 0 [pid 846] <... setpgid resumed>) = 0 [pid 845] <... setpgid resumed>) = 0 [pid 846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 846] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 846] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 846] <... write resumed>) = 4 [pid 846] close(3) = 0 [pid 846] write(1, "executing program\n", 18) = 18 [pid 846] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 846] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 847 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 304] 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 847 attached [pid 846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 846] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 848 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 849 [pid 846] <... rmdir resumed>) = 0 [pid 846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 846] exit_group(0) = ? [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 846] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 847] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 849 attached ci2-android-5-15/strace-static-x86_64: Process 848 attached [pid 848] set_robust_list(0x555579e166a0, 24 [pid 849] set_robust_list(0x555579e166a0, 24 [pid 848] <... set_robust_list resumed>) = 0 [pid 849] <... set_robust_list resumed>) = 0 [pid 848] rt_sigprocmask(SIG_SETMASK, [] [pid 849] rt_sigprocmask(SIG_SETMASK, [] [pid 848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 847] rt_sigprocmask(SIG_SETMASK, [] [pid 849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 848] <... prctl resumed>) = 0 [pid 849] <... prctl resumed>) = 0 [pid 847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 849] setpgid(0, 0 [pid 848] setpgid(0, 0 [pid 847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 849] <... setpgid resumed>) = 0 [pid 848] <... setpgid resumed>) = 0 [pid 847] <... prctl resumed>) = 0 [pid 849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 845] <... openat resumed>) = 3 [pid 849] <... openat resumed>) = 3 [pid 848] <... openat resumed>) = 3 [pid 847] setpgid(0, 0 [pid 849] write(3, "1000", 4 [pid 848] write(3, "1000", 4 [pid 849] <... write resumed>) = 4 [pid 847] <... setpgid resumed>) = 0 [pid 849] close(3 [pid 848] <... write resumed>) = 4 [pid 845] write(3, "1000", 4 [pid 849] <... close resumed>) = 0 [pid 848] close(3 [pid 847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 849] write(1, "executing program\n", 18 [pid 848] <... close resumed>) = 0 [pid 845] <... write resumed>) = 4 [pid 848] write(1, "executing program\n", 18 [pid 847] <... openat resumed>) = 3 [pid 849] <... write resumed>) = 18 [pid 848] <... write resumed>) = 18 [pid 847] write(3, "1000", 4 [pid 849] mkdirat(AT_FDCWD, "./config", 0777 [pid 848] mkdirat(AT_FDCWD, "./config", 0777 [pid 847] <... write resumed>) = 4 [pid 849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 849] mount(NULL, "./config", "configfs", 0, NULL [pid 847] close(3 [pid 848] mount(NULL, "./config", "configfs", 0, NULL [pid 845] close(3 [pid 849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 847] <... close resumed>) = 0 [pid 848] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 845] <... close resumed>) = 0 [pid 849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program executing program [pid 847] write(1, "executing program\n", 18 [pid 845] write(1, "executing program\n", 18) = 18 [pid 845] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 845] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 849] <... mkdirat resumed>) = 0 [pid 848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 847] <... write resumed>) = 18 [pid 849] rmdir("./config/usb_gadget/g1" [pid 848] rmdir("./config/usb_gadget/g1" executing program [pid 847] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 847] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 849] <... rmdir resumed>) = 0 [pid 849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 849] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 849] exit_group(0) = ? [pid 849] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=849, 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 845] <... mkdirat resumed>) = 0 [pid 848] <... rmdir resumed>) = 0 [pid 847] <... mkdirat resumed>) = 0 [pid 847] rmdir("./config/usb_gadget/g1") = 0 [pid 848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 848] exit_group(0) = ? [pid 848] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 850 [pid 847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 847] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 847] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 850 attached [pid 847] +++ exited with 0 +++ [pid 845] rmdir("./config/usb_gadget/g1" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 845] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 845] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 850] set_robust_list(0x555579e166a0, 24) = 0 [pid 850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 851 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 845] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 850] <... prctl resumed>) = 0 [pid 850] setpgid(0, 0) = 0 [pid 850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 845] <... exit_group resumed>) = ? [pid 850] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 852 [pid 850] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 850] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 850] <... close resumed>) = 0 [pid 850] write(1, "executing program\n", 18) = 18 [pid 850] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 850] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 845] +++ exited with 0 +++ [pid 850] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 851 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 850] <... rmdir resumed>) = 0 [pid 850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 850] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 850] <... exit_group resumed>) = ? [pid 850] +++ exited with 0 +++ [pid 851] set_robust_list(0x555579e166a0, 24 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 851] <... set_robust_list resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 851] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 852 attached , NULL, 8) = 0 [pid 852] set_robust_list(0x555579e166a0, 24 [pid 851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 852] <... set_robust_list resumed>) = 0 [pid 852] rt_sigprocmask(SIG_SETMASK, [] [pid 851] <... prctl resumed>) = 0 [pid 851] setpgid(0, 0) = 0 [pid 852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 851] <... openat resumed>) = 3 [pid 851] write(3, "1000", 4) = 4 [pid 851] close(3) = 0 [pid 851] write(1, "executing program\n", 18) = 18 [pid 851] mkdirat(AT_FDCWD, "./config", 0777 [pid 852] <... prctl resumed>) = 0 executing program [pid 852] setpgid(0, 0 [pid 851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 851] mount(NULL, "./config", "configfs", 0, NULL [pid 852] <... setpgid resumed>) = 0 [pid 851] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 851] <... mkdirat resumed>) = 0 [pid 851] rmdir("./config/usb_gadget/g1") = 0 [pid 851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 851] exit_group(0) = ? [pid 852] <... openat resumed>) = 3 [pid 851] +++ exited with 0 +++ [pid 852] write(3, "1000", 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 852] <... write resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 852] close(3) = 0 [pid 852] write(1, "executing program\n", 18 executing program [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 852] <... write resumed>) = 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 852] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 853 ci2-android-5-15/strace-static-x86_64: Process 853 attached [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [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 305] rt_sigprocmask(SIG_SETMASK, [] [pid 853] set_robust_list(0x555579e166a0, 24 [pid 852] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 852] rmdir("./config/usb_gadget/g1") = 0 [pid 852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 852] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 854 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 855 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 852] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 854 attached [pid 853] <... set_robust_list resumed>) = 0 [pid 852] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 854] set_robust_list(0x555579e166a0, 24 [pid 853] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 854] <... set_robust_list resumed>) = 0 [pid 853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 855 attached [pid 855] set_robust_list(0x555579e166a0, 24) = 0 [pid 855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 856 [pid 853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 854] rt_sigprocmask(SIG_SETMASK, [] [pid 853] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 855] setpgid(0, 0) = 0 [pid 855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 853] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 855] <... openat resumed>) = 3 [pid 854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 853] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 856 attached [pid 856] set_robust_list(0x555579e166a0, 24 [pid 853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 856] <... set_robust_list resumed>) = 0 [pid 856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 853] <... openat resumed>) = 3 [pid 856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 856] setpgid(0, 0) = 0 [pid 856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 853] write(3, "1000", 4 [pid 855] write(3, "1000", 4 [pid 854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 856] <... openat resumed>) = 3 [pid 856] write(3, "1000", 4) = 4 [pid 856] close(3) = 0 [pid 856] write(1, "executing program\n", 18) = 18 [pid 856] mkdirat(AT_FDCWD, "./config", 0777 [pid 854] <... prctl resumed>) = 0 executing program [pid 853] <... write resumed>) = 4 [pid 855] <... write resumed>) = 4 [pid 854] setpgid(0, 0 [pid 853] close(3 [pid 856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 854] <... setpgid resumed>) = 0 [pid 853] <... close resumed>) = 0 [pid 855] close(3 [pid 853] write(1, "executing program\n", 18 [pid 855] <... close resumed>) = 0 executing program [pid 854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 853] <... write resumed>) = 18 [pid 856] mount(NULL, "./config", "configfs", 0, NULL [pid 855] write(1, "executing program\n", 18 [pid 853] mkdirat(AT_FDCWD, "./config", 0777 [pid 854] <... openat resumed>) = 3 [pid 855] <... write resumed>) = 18 [pid 853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 854] write(3, "1000", 4 [pid 853] mount(NULL, "./config", "configfs", 0, NULL [pid 855] mkdirat(AT_FDCWD, "./config", 0777 [pid 854] <... write resumed>) = 4 [pid 856] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 854] close(3 [pid 853] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 855] mount(NULL, "./config", "configfs", 0, NULL [pid 853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 854] <... close resumed>) = 0 [pid 855] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 853] <... mkdirat resumed>) = 0 [pid 853] rmdir("./config/usb_gadget/g1" [pid 854] write(1, "executing program\n", 18 [pid 853] <... rmdir resumed>) = 0 [pid 853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 853] exit_group(0) = ? [pid 854] <... write resumed>) = 18 [pid 853] +++ exited with 0 +++ [pid 856] <... mkdirat resumed>) = 0 [pid 854] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 855] rmdir("./config/usb_gadget/g1") = 0 executing program [pid 854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 856] rmdir("./config/usb_gadget/g1" [pid 855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 855] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 854] mount(NULL, "./config", "configfs", 0, NULL [pid 855] exit_group(0 [pid 854] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 855] <... exit_group resumed>) = ? [pid 854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 854] rmdir("./config/usb_gadget/g1") = 0 [pid 854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 854] exit_group(0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 857 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 858 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 854] <... exit_group resumed>) = ? [pid 854] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 856] <... rmdir resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 858 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 856] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 855] +++ exited with 0 +++ [pid 858] set_robust_list(0x555579e166a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=855, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 857 attached [pid 858] <... set_robust_list resumed>) = 0 [pid 857] set_robust_list(0x555579e166a0, 24 [pid 856] exit_group(0 [pid 857] <... set_robust_list resumed>) = 0 [pid 857] rt_sigprocmask(SIG_SETMASK, [] [pid 856] <... exit_group resumed>) = ? [pid 857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 857] setpgid(0, 0) = 0 [pid 857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 857] write(3, "1000", 4) = 4 [pid 856] +++ exited with 0 +++ [pid 857] close(3) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 857] write(1, "executing program\n", 18 executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 857] <... write resumed>) = 18 [pid 857] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 857] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 858] rt_sigprocmask(SIG_SETMASK, [] [pid 857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 857] rmdir("./config/usb_gadget/g1") = 0 [pid 857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 857] exit_group(0) = ? [pid 858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 857] +++ exited with 0 +++ [pid 858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 858] <... prctl resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 858] setpgid(0, 0) = 0 [pid 858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 858] write(3, "1000", 4) = 4 [pid 858] close(3) = 0 [pid 858] write(1, "executing program\n", 18) = 18 executing program [pid 858] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 858] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [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 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 858] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 858] rmdir("./config/usb_gadget/g1" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 860 attached ci2-android-5-15/strace-static-x86_64: Process 859 attached [pid 860] set_robust_list(0x555579e166a0, 24 [pid 859] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 859 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 861 ci2-android-5-15/strace-static-x86_64: Process 861 attached [pid 860] <... set_robust_list resumed>) = 0 [pid 859] <... set_robust_list resumed>) = 0 [pid 858] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 860 [pid 861] set_robust_list(0x555579e166a0, 24 [pid 859] rt_sigprocmask(SIG_SETMASK, [] [pid 858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 861] <... set_robust_list resumed>) = 0 [pid 859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 858] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 861] rt_sigprocmask(SIG_SETMASK, [] [pid 860] rt_sigprocmask(SIG_SETMASK, [] [pid 859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 858] exit_group(0 [pid 860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 858] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 860] setpgid(0, 0) = 0 [pid 860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 858] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 860] write(3, "1000", 4) = 4 [pid 860] close(3) = 0 [pid 860] write(1, "executing program\n", 18) = 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 862 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 860] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 860] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 859] <... prctl resumed>) = 0 [pid 861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 859] setpgid(0, 0 [pid 860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 861] <... prctl resumed>) = 0 [pid 860] <... mkdirat resumed>) = 0 [pid 859] <... setpgid resumed>) = 0 [pid 860] rmdir("./config/usb_gadget/g1") = 0 [pid 860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 860] exit_group(0) = ? [pid 860] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 862 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 862] set_robust_list(0x555579e166a0, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 862] <... set_robust_list resumed>) = 0 [pid 862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 861] setpgid(0, 0 [pid 859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 862] <... prctl resumed>) = 0 [pid 862] setpgid(0, 0) = 0 [pid 862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 861] <... setpgid resumed>) = 0 [pid 859] <... openat resumed>) = 3 [pid 862] write(3, "1000", 4) = 4 [pid 862] close(3) = 0 [pid 862] write(1, "executing program\n", 18 [pid 859] write(3, "1000", 4 [pid 861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 862] <... write resumed>) = 18 executing program [pid 862] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 862] mount(NULL, "./config", "configfs", 0, NULL [pid 861] <... openat resumed>) = 3 [pid 859] <... write resumed>) = 4 [pid 859] close(3) = 0 [pid 859] write(1, "executing program\n", 18) = 18 executing program [pid 859] mkdirat(AT_FDCWD, "./config", 0777 [pid 861] write(3, "1000", 4 [pid 859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 862] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 861] <... write resumed>) = 4 [pid 859] mount(NULL, "./config", "configfs", 0, NULL [pid 862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 861] close(3 [pid 859] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 862] rmdir("./config/usb_gadget/g1") = 0 [pid 861] <... close resumed>) = 0 [pid 862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 862] exit_group(0) = ? [pid 862] +++ exited with 0 +++ [pid 861] write(1, "executing program\n", 18 [pid 859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 861] <... write resumed>) = 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 861] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 861] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 859] <... mkdirat resumed>) = 0 [pid 861] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 861] <... rmdir resumed>) = 0 [pid 861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 861] exit_group(0) = ? [pid 859] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 861] +++ exited with 0 +++ [pid 859] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [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=861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 859] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 859] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 863 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 863 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 859] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 864 attached [pid 863] set_robust_list(0x555579e166a0, 24 [pid 859] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 864] set_robust_list(0x555579e166a0, 24 [pid 863] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 864 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 864] <... set_robust_list resumed>) = 0 [pid 864] rt_sigprocmask(SIG_SETMASK, [] [pid 863] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 865 attached [pid 864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 865 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 865] set_robust_list(0x555579e166a0, 24 [pid 863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 863] <... prctl resumed>) = 0 [pid 863] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 865] <... set_robust_list resumed>) = 0 [pid 864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 863] <... setpgid resumed>) = 0 [pid 865] rt_sigprocmask(SIG_SETMASK, [] [pid 864] <... prctl resumed>) = 0 [pid 863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 864] setpgid(0, 0 [pid 863] <... openat resumed>) = 3 [pid 865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 864] <... setpgid resumed>) = 0 [pid 863] write(3, "1000", 4 [pid 865] <... prctl resumed>) = 0 [pid 865] setpgid(0, 0 [pid 864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 863] <... write resumed>) = 4 [pid 865] <... setpgid resumed>) = 0 [pid 864] <... openat resumed>) = 3 [pid 863] close(3 [pid 865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 864] write(3, "1000", 4 [pid 863] <... close resumed>) = 0 [pid 865] <... openat resumed>) = 3 [pid 864] <... write resumed>) = 4 [pid 863] write(1, "executing program\n", 18 [pid 865] write(3, "1000", 4 executing program [pid 863] <... write resumed>) = 18 [pid 864] close(3 [pid 865] <... write resumed>) = 4 [pid 863] mkdirat(AT_FDCWD, "./config", 0777 [pid 864] <... close resumed>) = 0 [pid 863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 865] close(3 [pid 864] write(1, "executing program\n", 18 [pid 863] mount(NULL, "./config", "configfs", 0, NULL [pid 865] <... close resumed>) = 0 [pid 865] write(1, "executing program\n", 18 [pid 863] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 864] <... write resumed>) = 18 [pid 863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 865] <... write resumed>) = 18 [pid 865] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 865] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 863] <... mkdirat resumed>) = 0 [pid 865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 865] rmdir("./config/usb_gadget/g1") = 0 [pid 865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 865] exit_group(0) = ? [pid 865] +++ exited with 0 +++ executing program executing program [pid 864] mkdirat(AT_FDCWD, "./config", 0777 [pid 863] rmdir("./config/usb_gadget/g1" [pid 864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 863] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 864] mount(NULL, "./config", "configfs", 0, NULL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 864] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 863] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 863] exit_group(0) = ? [pid 864] <... mkdirat resumed>) = 0 [pid 864] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 864] exit_group(0 [pid 863] +++ exited with 0 +++ [pid 864] <... exit_group resumed>) = ? [pid 864] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 866 attached [pid 307] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 867 attached [pid 866] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 866 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 867 [pid 866] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 866] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 866] <... prctl resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 867] set_robust_list(0x555579e166a0, 24 [pid 866] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 867] <... set_robust_list resumed>) = 0 [pid 866] <... setpgid resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 868 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 869 [pid 866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 867] rt_sigprocmask(SIG_SETMASK, [] [pid 866] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 867] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 866] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 866] <... write resumed>) = 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 866] close(3ci2-android-5-15/strace-static-x86_64: Process 868 attached [pid 868] set_robust_list(0x555579e166a0, 24) = 0 [pid 868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 866] <... close resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 870 [pid 866] write(1, "executing program\n", 18 [pid 868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 867] <... prctl resumed>) = 0 [pid 866] <... write resumed>) = 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 868] <... prctl resumed>) = 0 [pid 866] mkdirat(AT_FDCWD, "./config", 0777 [pid 867] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 867] <... setpgid resumed>) = 0 [pid 866] mount(NULL, "./config", "configfs", 0, NULL [pid 868] setpgid(0, 0) = 0 [pid 866] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 868] <... openat resumed>) = 3 [pid 868] write(3, "1000", 4) = 4 [pid 868] close(3) = 0 [pid 868] write(1, "executing program\n", 18) = 18 [pid 866] <... mkdirat resumed>) = 0 [pid 868] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 868] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 868] rmdir("./config/usb_gadget/g1") = 0 ci2-android-5-15/strace-static-x86_64: Process 869 attached [pid 869] set_robust_list(0x555579e166a0, 24 [pid 868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 869] <... set_robust_list resumed>) = 0 [pid 869] rt_sigprocmask(SIG_SETMASK, [] [pid 868] exit_group(0 [pid 866] rmdir("./config/usb_gadget/g1" [pid 867] <... openat resumed>) = 3 [pid 866] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 867] write(3, "1000", 4 [pid 866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 867] <... write resumed>) = 4 [pid 866] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 866] exit_group(0 [pid 867] close(3 [pid 866] <... exit_group resumed>) = ? [pid 868] <... exit_group resumed>) = ? executing program [pid 868] +++ exited with 0 +++ [pid 867] <... close resumed>) = 0 [pid 866] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 867] write(1, "executing program\n", 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 867] <... write resumed>) = 18 [pid 869] <... prctl resumed>) = 0 executing program [pid 869] setpgid(0, 0) = 0 [pid 869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 867] mkdirat(AT_FDCWD, "./config", 0777 [pid 869] <... openat resumed>) = 3 [pid 867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 869] write(3, "1000", 4) = 4 [pid 869] close(3) = 0 [pid 869] write(1, "executing program\n", 18) = 18 [pid 869] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 867] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 869] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 867] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 870 attached [pid 870] set_robust_list(0x555579e166a0, 24) = 0 [pid 870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 870] setpgid(0, 0) = 0 [pid 870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 870] write(3, "1000", 4) = 4 [pid 870] close(3) = 0 [pid 870] write(1, "executing program\n", 18) = 18 [pid 870] mkdirat(AT_FDCWD, "./config", 0777 [pid 867] <... mkdirat resumed>) = 0 [pid 869] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 869] rmdir("./config/usb_gadget/g1") = 0 [pid 867] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 869] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 870] mount(NULL, "./config", "configfs", 0, NULL [pid 869] exit_group(0 [pid 870] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 869] <... exit_group resumed>) = ? [pid 867] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 869] +++ exited with 0 +++ [pid 867] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 870] <... mkdirat resumed>) = 0 [pid 870] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 870] exit_group(0) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 870] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 871 ci2-android-5-15/strace-static-x86_64: Process 871 attached [pid 871] set_robust_list(0x555579e166a0, 24) = 0 [pid 871] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 867] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 867] <... exit_group resumed>) = ? [pid 871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 871] setpgid(0, 0) = 0 [pid 871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 872 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 871] <... openat resumed>) = 3 [pid 871] write(3, "1000", 4) = 4 [pid 871] close(3) = 0 [pid 871] write(1, "executing program\n", 18) = 18 [pid 871] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 871] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 873 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 874 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 867] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=867, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 871] rmdir("./config/usb_gadget/g1") = 0 [pid 871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 871] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 873 attached [pid 871] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 872 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 872] set_robust_list(0x555579e166a0, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 872] <... set_robust_list resumed>) = 0 [pid 872] rt_sigprocmask(SIG_SETMASK, [] [pid 873] set_robust_list(0x555579e166a0, 24 [pid 872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 873] <... set_robust_list resumed>) = 0 [pid 872] <... prctl resumed>) = 0 [pid 872] setpgid(0, 0) = 0 [pid 872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 873] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 874 attached , NULL, 8) = 0 [pid 872] <... openat resumed>) = 3 [pid 874] set_robust_list(0x555579e166a0, 24) = 0 [pid 873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 874] rt_sigprocmask(SIG_SETMASK, [] [pid 872] write(3, "1000", 4) = 4 [pid 874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 872] close(3) = 0 [pid 874] <... prctl resumed>) = 0 [pid 873] <... prctl resumed>) = 0 executing program [pid 872] write(1, "executing program\n", 18) = 18 [pid 872] mkdirat(AT_FDCWD, "./config", 0777 [pid 874] setpgid(0, 0 [pid 873] setpgid(0, 0 [pid 872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 872] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 874] <... setpgid resumed>) = 0 [pid 873] <... setpgid resumed>) = 0 [pid 306] <... restart_syscall 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=0x555579e16690) = 875 [pid 873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 875 attached [pid 872] <... mkdirat resumed>) = 0 [pid 875] set_robust_list(0x555579e166a0, 24 [pid 874] <... openat resumed>) = 3 [pid 875] <... set_robust_list resumed>) = 0 [pid 874] write(3, "1000", 4 [pid 873] <... openat resumed>) = 3 [pid 872] rmdir("./config/usb_gadget/g1" [pid 875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 875] setpgid(0, 0) = 0 [pid 875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 873] write(3, "1000", 4 [pid 874] <... write resumed>) = 4 [pid 875] write(3, "1000", 4) = 4 [pid 875] close(3) = 0 [pid 875] write(1, "executing program\n", 18) = 18 [pid 875] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 875] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 872] <... rmdir resumed>) = 0 [pid 875] <... mkdirat resumed>) = 0 executing program [pid 872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 875] rmdir("./config/usb_gadget/g1" [pid 874] close(3 [pid 873] <... write resumed>) = 4 [pid 308] <... 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, child_tidptr=0x555579e16690) = 876 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 874] <... close resumed>) = 0 [pid 873] close(3) = 0 [pid 874] write(1, "executing program\n", 18 [pid 873] write(1, "executing program\n", 18 [pid 874] <... write resumed>) = 18 [pid 873] <... write resumed>) = 18 [pid 874] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 876 attached [pid 873] mkdirat(AT_FDCWD, "./config", 0777 [pid 872] <... mkdirat resumed>) = -1 ENODEV (No such device) executing program executing program [pid 874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 872] exit_group(0 [pid 876] set_robust_list(0x555579e166a0, 24 [pid 874] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 873] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 876] <... set_robust_list resumed>) = 0 [pid 872] <... exit_group resumed>) = ? [pid 874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 874] rmdir("./config/usb_gadget/g1" [pid 876] rt_sigprocmask(SIG_SETMASK, [] [pid 873] rmdir("./config/usb_gadget/g1" [pid 872] +++ exited with 0 +++ [pid 876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=872, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 874] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 876] <... prctl resumed>) = 0 [pid 874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 876] setpgid(0, 0) = 0 [pid 875] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 874] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 873] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 874] exit_group(0 [pid 873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 874] <... exit_group resumed>) = ? [pid 873] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 876] <... openat resumed>) = 3 [pid 875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 873] exit_group(0 [pid 876] write(3, "1000", 4 [pid 874] +++ exited with 0 +++ [pid 876] <... write resumed>) = 4 [pid 873] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 875] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 876] close(3) = 0 [pid 875] exit_group(0 [pid 876] write(1, "executing program\n", 18) = 18 [pid 876] mkdirat(AT_FDCWD, "./config", 0777 [pid 873] +++ exited with 0 +++ [pid 876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 876] mount(NULL, "./config", "configfs", 0, NULL [pid 875] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 876] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 875] +++ exited with 0 +++ [pid 876] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 876] <... rmdir resumed>) = 0 [pid 876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 876] exit_group(0) = ? [pid 876] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 877 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 878 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 877 attached [pid 877] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 879 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... 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 877] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall 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-5-15/strace-static-x86_64: Process 880 attached ci2-android-5-15/strace-static-x86_64: Process 881 attached ci2-android-5-15/strace-static-x86_64: Process 878 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 880 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 881 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 877] setpgid(0, 0) = 0 [pid 877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 881] set_robust_list(0x555579e166a0, 24 [pid 880] set_robust_list(0x555579e166a0, 24 [pid 878] set_robust_list(0x555579e166a0, 24 [pid 877] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 877] write(3, "1000", 4) = 4 [pid 877] close(3) = 0 [pid 877] write(1, "executing program\n", 18) = 18 executing program [pid 877] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 878] <... set_robust_list resumed>) = 0 [pid 877] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 880] <... set_robust_list resumed>) = 0 [pid 881] <... set_robust_list resumed>) = 0 [pid 877] <... mkdirat resumed>) = 0 [pid 877] rmdir("./config/usb_gadget/g1") = 0 [pid 877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 877] exit_group(0) = ? [pid 877] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 879 attached [pid 879] set_robust_list(0x555579e166a0, 24) = 0 [pid 879] rt_sigprocmask(SIG_SETMASK, [] [pid 878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 878] <... prctl resumed>) = 0 [pid 879] <... prctl resumed>) = 0 [pid 880] rt_sigprocmask(SIG_SETMASK, [] [pid 878] setpgid(0, 0 [pid 879] setpgid(0, 0) = 0 [pid 878] <... setpgid resumed>) = 0 [pid 880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 879] write(3, "1000", 4) = 4 [pid 879] close(3) = 0 executing program [pid 879] write(1, "executing program\n", 18) = 18 [pid 879] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 879] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 880] <... prctl resumed>) = 0 [pid 878] <... openat resumed>) = 3 [pid 879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 878] write(3, "1000", 4 [pid 880] setpgid(0, 0 [pid 881] rt_sigprocmask(SIG_SETMASK, [] [pid 878] <... write resumed>) = 4 [pid 880] <... setpgid resumed>) = 0 [pid 881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 878] close(3 [pid 880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 878] <... close resumed>) = 0 [pid 879] <... mkdirat resumed>) = 0 [pid 879] rmdir("./config/usb_gadget/g1" [pid 878] write(1, "executing program\n", 18 [pid 879] <... rmdir resumed>) = 0 [pid 879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 879] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 878] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 878] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 879] +++ exited with 0 +++ [pid 880] <... openat resumed>) = 3 [pid 878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 882 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 882 attached executing program [pid 878] mount(NULL, "./config", "configfs", 0, NULL [pid 880] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 878] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 880] <... write resumed>) = 4 [pid 880] close(3 [pid 878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 880] <... close resumed>) = 0 [pid 882] set_robust_list(0x555579e166a0, 24) = 0 [pid 882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 882] setpgid(0, 0) = 0 [pid 882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 882] write(3, "1000", 4) = 4 [pid 882] close(3) = 0 [pid 882] write(1, "executing program\n", 18) = 18 [pid 882] mkdirat(AT_FDCWD, "./config", 0777 [pid 880] write(1, "executing program\n", 18 [pid 882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 882] mount(NULL, "./config", "configfs", 0, NULL [pid 880] <... write resumed>) = 18 [pid 880] mkdirat(AT_FDCWD, "./config", 0777 [pid 878] <... mkdirat resumed>) = 0 executing program executing program [pid 882] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 882] rmdir("./config/usb_gadget/g1" [pid 880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 878] rmdir("./config/usb_gadget/g1" [pid 881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 880] mount(NULL, "./config", "configfs", 0, NULL [pid 881] <... prctl resumed>) = 0 [pid 880] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 881] setpgid(0, 0 [pid 880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 881] <... setpgid resumed>) = 0 [pid 878] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 878] exit_group(0) = ? [pid 878] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 882] <... rmdir resumed>) = 0 [pid 882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 882] exit_group(0) = ? [pid 882] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 880] <... mkdirat resumed>) = 0 [pid 880] rmdir("./config/usb_gadget/g1" [pid 881] <... openat resumed>) = 3 [pid 881] write(3, "1000", 4 [pid 880] <... rmdir resumed>) = 0 [pid 881] <... write resumed>) = 4 [pid 881] close(3 [pid 880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 881] <... close resumed>) = 0 [pid 880] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 881] write(1, "executing program\n", 18 executing program [pid 880] exit_group(0) = ? [pid 881] <... write resumed>) = 18 [pid 880] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 881] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 881] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 881] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 883 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 883 [pid 881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 883] set_robust_list(0x555579e166a0, 24 [pid 881] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 881] rmdir("./config/usb_gadget/g1" [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 881] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 884 [pid 881] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 881] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 884 attached [pid 884] set_robust_list(0x555579e166a0, 24) = 0 [pid 884] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 881] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 885 [pid 884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 884] setpgid(0, 0) = 0 [pid 884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 886 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 884] <... openat resumed>) = 3 [pid 881] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 884] write(3, "1000", 4) = 4 [pid 884] close(3) = 0 [pid 883] <... set_robust_list resumed>) = 0 executing program [pid 884] write(1, "executing program\n", 18) = 18 [pid 884] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 884] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 883] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 886 attached , NULL, 8) = 0 [pid 886] set_robust_list(0x555579e166a0, 24 [pid 883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 884] <... mkdirat resumed>) = 0 [pid 884] rmdir("./config/usb_gadget/g1" [pid 883] <... prctl resumed>) = 0 [pid 886] <... set_robust_list resumed>) = 0 [pid 884] <... rmdir resumed>) = 0 [pid 884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 884] exit_group(0) = ? [pid 884] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 885 attached [pid 885] set_robust_list(0x555579e166a0, 24) = 0 [pid 885] rt_sigprocmask(SIG_SETMASK, [] [pid 886] rt_sigprocmask(SIG_SETMASK, [] [pid 883] setpgid(0, 0 [pid 885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 883] <... setpgid resumed>) = 0 [pid 886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 885] setpgid(0, 0) = 0 [pid 885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 883] <... openat resumed>) = 3 [pid 885] <... openat resumed>) = 3 [pid 883] write(3, "1000", 4 [pid 886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 885] write(3, "1000", 4) = 4 [pid 885] close(3) = 0 [pid 885] write(1, "executing program\n", 18) = 18 executing program [pid 885] mkdirat(AT_FDCWD, "./config", 0777 [pid 886] <... prctl resumed>) = 0 [pid 883] <... write resumed>) = 4 [pid 886] setpgid(0, 0 [pid 883] close(3 [pid 885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 883] <... close resumed>) = 0 [pid 885] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 883] write(1, "executing program\n", 18 [pid 886] <... setpgid resumed>) = 0 [pid 885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 883] <... write resumed>) = 18 executing program [pid 883] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 883] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 886] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 883] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 886] write(3, "1000", 4 [pid 883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 887 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 887 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 886] <... write resumed>) = 4 [pid 887] set_robust_list(0x555579e166a0, 24 [pid 883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 883] rmdir("./config/usb_gadget/g1" [pid 886] close(3 [pid 883] <... rmdir resumed>) = 0 [pid 883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 883] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 883] exit_group(0) = ? [pid 887] <... set_robust_list resumed>) = 0 [pid 886] <... close resumed>) = 0 [pid 883] +++ exited with 0 +++ executing program [pid 886] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 886] <... write resumed>) = 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 885] <... mkdirat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 886] mkdirat(AT_FDCWD, "./config", 0777 [pid 885] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 888 [pid 886] mount(NULL, "./config", "configfs", 0, NULL [pid 885] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 885] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 886] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 885] <... exit_group resumed>) = ? [pid 885] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 888 attached [pid 888] set_robust_list(0x555579e166a0, 24) = 0 [pid 888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 888] setpgid(0, 0) = 0 [pid 888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 886] <... mkdirat resumed>) = 0 [pid 888] <... openat resumed>) = 3 [pid 888] write(3, "1000", 4) = 4 [pid 888] close(3) = 0 [pid 886] rmdir("./config/usb_gadget/g1" [pid 888] write(1, "executing program\n", 18) = 18 executing program [ 30.091598][ T872] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.091598][ T872] 7) [pid 888] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 888] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 886] <... rmdir resumed>) = 0 [pid 886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 886] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 888] <... mkdirat resumed>) = 0 [pid 888] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 886] exit_group(0) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 886] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 889 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] <... rmdir resumed>) = 0 [pid 888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 888] exit_group(0 [pid 887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 888] <... exit_group resumed>) = ? [pid 887] <... prctl resumed>) = 0 [pid 887] setpgid(0, 0) = 0 [pid 887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 887] write(3, "1000", 4 [pid 888] +++ exited with 0 +++ [pid 887] <... write resumed>) = 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 887] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 887] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 889 attached [pid 889] set_robust_list(0x555579e166a0, 24) = 0 [pid 889] rt_sigprocmask(SIG_SETMASK, [] [pid 887] write(1, "executing program\n", 18 [pid 889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 887] <... write resumed>) = 18 executing program [pid 889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 887] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall 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 887] <... mkdirat resumed>) = -1 EEXIST (File exists) [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-5-15/strace-static-x86_64: Process 891 attached ci2-android-5-15/strace-static-x86_64: Process 890 attached [pid 887] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 890 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 891 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 889] setpgid(0, 0) = 0 [pid 889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 889] write(3, "1000", 4 [pid 887] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 889] <... write resumed>) = 4 [pid 889] close(3) = 0 [pid 889] write(1, "executing program\n", 18) = 18 [pid 889] mkdirat(AT_FDCWD, "./config", 0777 [pid 887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 889] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 889] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 891] set_robust_list(0x555579e166a0, 24 [pid 890] set_robust_list(0x555579e166a0, 24 [pid 887] <... mkdirat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 889] rmdir("./config/usb_gadget/g1" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 887] rmdir("./config/usb_gadget/g1" [pid 890] <... set_robust_list resumed>) = 0 [pid 891] <... set_robust_list resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 892 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 889] <... rmdir resumed>) = 0 [pid 889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 890] rt_sigprocmask(SIG_SETMASK, [] [pid 887] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 889] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 887] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 889] exit_group(0 [pid 887] exit_group(0 [pid 889] <... exit_group resumed>) = ? [pid 887] <... exit_group resumed>) = ? [pid 887] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 891] rt_sigprocmask(SIG_SETMASK, [] [pid 890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 890] setpgid(0, 0) = 0 [pid 889] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 892 attached [pid 892] set_robust_list(0x555579e166a0, 24 [pid 306] <... restart_syscall resumed>) = 0 [pid 890] <... openat resumed>) = 3 [pid 891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 890] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 890] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 893 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 893 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 892] <... set_robust_list resumed>) = 0 [pid 891] <... prctl resumed>) = 0 [pid 890] close(3 [pid 892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 892] setpgid(0, 0) = 0 [pid 892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 890] <... close resumed>) = 0 [pid 892] write(3, "1000", 4) = 4 [pid 892] close(3 [pid 893] set_robust_list(0x555579e166a0, 24 [pid 891] setpgid(0, 0 [pid 890] write(1, "executing program\n", 18) = 18 [pid 892] <... close resumed>) = 0 [pid 890] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 892] write(1, "executing program\n", 18 [pid 890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 892] <... write resumed>) = 18 [pid 890] mount(NULL, "./config", "configfs", 0, NULL [pid 892] mkdirat(AT_FDCWD, "./config", 0777 [pid 890] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 892] mount(NULL, "./config", "configfs", 0, NULL [pid 893] <... set_robust_list resumed>) = 0 [pid 891] <... setpgid resumed>) = 0 [pid 890] <... mkdirat resumed>) = 0 [pid 890] rmdir("./config/usb_gadget/g1" [pid 892] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 893] rt_sigprocmask(SIG_SETMASK, [] [pid 891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 890] <... rmdir resumed>) = 0 [pid 890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 891] <... openat resumed>) = 3 [pid 890] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 890] exit_group(0 [pid 892] <... mkdirat resumed>) = 0 [pid 892] rmdir("./config/usb_gadget/g1" [pid 893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 891] write(3, "1000", 4 [pid 890] <... exit_group resumed>) = ? [pid 892] <... rmdir resumed>) = 0 [pid 892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 890] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 892] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 891] <... write resumed>) = 4 [pid 891] close(3) = 0 [pid 891] write(1, "executing program\n", 18 [pid 892] exit_group(0) = ? [pid 891] <... write resumed>) = 18 executing program [pid 891] mkdirat(AT_FDCWD, "./config", 0777 [pid 893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 891] mount(NULL, "./config", "configfs", 0, NULL [pid 893] <... prctl resumed>) = 0 [pid 891] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 892] +++ exited with 0 +++ [pid 893] setpgid(0, 0 [pid 891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 893] <... setpgid resumed>) = 0 [pid 891] <... mkdirat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 891] rmdir("./config/usb_gadget/g1" [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 891] <... rmdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 894 [pid 891] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 894 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 891] exit_group(0) = ? [pid 894] set_robust_list(0x555579e166a0, 24) = 0 [pid 894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 894] setpgid(0, 0 [pid 891] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 894] <... setpgid resumed>) = 0 [pid 894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 893] <... openat resumed>) = 3 [pid 894] write(3, "1000", 4) = 4 [pid 894] close(3) = 0 [pid 894] write(1, "executing program\n", 18 executing program [pid 893] write(3, "1000", 4 [pid 894] <... write resumed>) = 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 894] mkdirat(AT_FDCWD, "./config", 0777 [pid 893] <... write resumed>) = 4 [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 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-5-15/strace-static-x86_64: Process 895 attached ci2-android-5-15/strace-static-x86_64: Process 896 attached [pid 894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 893] close(3 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 895 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 896 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 896] set_robust_list(0x555579e166a0, 24 [pid 895] set_robust_list(0x555579e166a0, 24 [pid 894] mount(NULL, "./config", "configfs", 0, NULL [pid 893] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 896] <... set_robust_list resumed>) = 0 [pid 895] <... set_robust_list resumed>) = 0 [pid 894] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 893] write(1, "executing program\n", 18 executing program [pid 896] rt_sigprocmask(SIG_SETMASK, [] [pid 895] rt_sigprocmask(SIG_SETMASK, [] [pid 894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 893] <... write resumed>) = 18 [pid 893] mkdirat(AT_FDCWD, "./config", 0777 [pid 896] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 894] <... mkdirat resumed>) = 0 [pid 893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 893] mount(NULL, "./config", "configfs", 0, NULL [pid 894] rmdir("./config/usb_gadget/g1" [pid 895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 893] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 895] <... prctl resumed>) = 0 [pid 894] <... rmdir resumed>) = 0 [pid 893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 895] setpgid(0, 0 [pid 894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 893] <... mkdirat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 896] <... prctl resumed>) = 0 [pid 895] <... setpgid resumed>) = 0 [pid 896] setpgid(0, 0) = 0 [pid 896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 896] write(3, "1000", 4) = 4 [pid 896] close(3) = 0 [pid 896] write(1, "executing program\n", 18) = 18 [pid 896] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 896] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 896] rmdir("./config/usb_gadget/g1" [pid 893] rmdir("./config/usb_gadget/g1" [pid 896] <... rmdir resumed>) = 0 [pid 893] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 897 ci2-android-5-15/strace-static-x86_64: Process 897 attached [pid 895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 893] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 897] set_robust_list(0x555579e166a0, 24 [pid 895] <... openat resumed>) = 3 [pid 893] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 897] <... set_robust_list resumed>) = 0 [pid 895] write(3, "1000", 4 [pid 893] <... exit_group resumed>) = ? [pid 897] rt_sigprocmask(SIG_SETMASK, [] [pid 895] <... write resumed>) = 4 [pid 896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 893] +++ exited with 0 +++ [pid 897] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 896] exit_group(0 [pid 895] close(3 [pid 896] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 896] +++ exited with 0 +++ [pid 895] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 894] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 895] write(1, "executing program\n", 18 [pid 894] exit_group(0 [pid 897] <... prctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 894] <... exit_group resumed>) = ? [pid 895] <... write resumed>) = 18 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 897] setpgid(0, 0 [pid 895] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 897] <... setpgid resumed>) = 0 [pid 895] mount(NULL, "./config", "configfs", 0, NULL [pid 894] +++ exited with 0 +++ [pid 895] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 895] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] 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, child_tidptr=0x555579e16690) = 898 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 895] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 898 attached [pid 898] set_robust_list(0x555579e166a0, 24 [pid 895] <... rmdir resumed>) = 0 [pid 898] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 897] <... openat resumed>) = 3 [pid 895] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 898] setpgid(0, 0) = 0 [pid 898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 898] write(3, "1000", 4) = 4 [pid 898] close(3 [pid 895] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 899 [pid 898] <... close resumed>) = 0 [pid 898] write(1, "executing program\n", 18) = 18 executing program [pid 898] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 898] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 895] <... exit_group resumed>) = ? [pid 898] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 895] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 898] <... mkdirat resumed>) = 0 [pid 898] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 898] <... rmdir resumed>) = 0 [pid 898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 898] exit_group(0) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 898] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 899 attached [pid 899] set_robust_list(0x555579e166a0, 24) = 0 [pid 899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 897] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 900 [pid 899] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 899] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 899] <... setpgid resumed>) = 0 [pid 899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 897] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 900 attached [pid 900] set_robust_list(0x555579e166a0, 24) = 0 [pid 900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 900] setpgid(0, 0) = 0 [pid 899] <... openat resumed>) = 3 [pid 897] close(3 [pid 900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 899] write(3, "1000", 4 [pid 897] <... close resumed>) = 0 [pid 900] write(3, "1000", 4) = 4 [pid 899] <... write resumed>) = 4 [pid 897] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 900] close(3 [pid 899] close(3 [pid 897] <... write resumed>) = 18 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 900] <... close resumed>) = 0 [pid 899] <... close resumed>) = 0 [pid 897] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 902 attached ci2-android-5-15/strace-static-x86_64: Process 901 attached [pid 900] write(1, "executing program\n", 18 [pid 899] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 902 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 901 executing program [pid 899] <... write resumed>) = 18 [pid 899] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 900] <... write resumed>) = 18 [pid 897] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 897] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 902] set_robust_list(0x555579e166a0, 24 [pid 901] set_robust_list(0x555579e166a0, 24 [pid 900] mkdirat(AT_FDCWD, "./config", 0777 [pid 899] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 902] <... set_robust_list resumed>) = 0 [pid 901] <... set_robust_list resumed>) = 0 [pid 900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 899] mount(NULL, "./config", "configfs", 0, NULL [pid 897] <... mkdirat resumed>) = 0 [pid 902] rt_sigprocmask(SIG_SETMASK, [] [pid 901] rt_sigprocmask(SIG_SETMASK, [] [pid 900] mount(NULL, "./config", "configfs", 0, NULL [pid 899] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 897] rmdir("./config/usb_gadget/g1" [pid 901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 901] setpgid(0, 0) = 0 [pid 901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 900] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 901] write(3, "1000", 4) = 4 [pid 901] close(3) = 0 [pid 901] write(1, "executing program\n", 18) = 18 executing program [pid 902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 901] mkdirat(AT_FDCWD, "./config", 0777 [pid 900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 899] <... mkdirat resumed>) = 0 [pid 897] <... rmdir resumed>) = 0 [pid 900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 899] rmdir("./config/usb_gadget/g1" [pid 897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 900] rmdir("./config/usb_gadget/g1" [pid 899] <... rmdir resumed>) = 0 [pid 897] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 902] <... prctl resumed>) = 0 [pid 901] mount(NULL, "./config", "configfs", 0, NULL [pid 900] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 897] exit_group(0 [pid 901] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 899] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 897] <... exit_group resumed>) = ? [pid 901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 900] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 899] exit_group(0 [pid 897] +++ exited with 0 +++ [pid 902] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 900] exit_group(0 [pid 899] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 901] <... mkdirat resumed>) = 0 [pid 900] <... exit_group resumed>) = ? [pid 901] rmdir("./config/usb_gadget/g1" [pid 900] +++ exited with 0 +++ [pid 899] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 902] <... setpgid resumed>) = 0 [pid 901] <... rmdir resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 903 attached [pid 901] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 901] exit_group(0) = ? [pid 901] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 903 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 905 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 904 ci2-android-5-15/strace-static-x86_64: Process 905 attached ci2-android-5-15/strace-static-x86_64: Process 904 attached [pid 903] set_robust_list(0x555579e166a0, 24 [pid 902] <... openat resumed>) = 3 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 902] write(3, "1000", 4) = 4 [pid 902] close(3) = 0 executing program [pid 902] write(1, "executing program\n", 18) = 18 [pid 902] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 902] mount(NULL, "./config", "configfs", 0, NULL [pid 905] set_robust_list(0x555579e166a0, 24 [pid 904] set_robust_list(0x555579e166a0, 24 [pid 903] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 902] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 905] <... set_robust_list resumed>) = 0 [pid 904] <... set_robust_list resumed>) = 0 [pid 903] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 902] <... mkdirat resumed>) = 0 [pid 902] rmdir("./config/usb_gadget/g1") = 0 [pid 902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 902] exit_group(0) = ? [pid 902] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 905] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 904] rt_sigprocmask(SIG_SETMASK, [] [pid 905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 903] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 903] setpgid(0, 0 [pid 904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 903] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 906 [pid 904] <... prctl resumed>) = 0 [pid 903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 904] setpgid(0, 0 [pid 903] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 904] <... setpgid resumed>) = 0 [pid 903] write(3, "1000", 4 [pid 904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 903] <... write resumed>) = 4 [pid 904] <... openat resumed>) = 3 [pid 903] close(3 [pid 904] write(3, "1000", 4 [pid 903] <... close resumed>) = 0 executing program [pid 904] <... write resumed>) = 4 [pid 903] write(1, "executing program\n", 18 [pid 904] close(3 [pid 903] <... write resumed>) = 18 [pid 904] <... close resumed>) = 0 [pid 903] mkdirat(AT_FDCWD, "./config", 0777 [pid 904] write(1, "executing program\n", 18 [pid 903] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 904] <... write resumed>) = 18 [pid 903] mount(NULL, "./config", "configfs", 0, NULL [pid 904] mkdirat(AT_FDCWD, "./config", 0777 [pid 903] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 906 attached [pid 905] <... prctl resumed>) = 0 [pid 904] mount(NULL, "./config", "configfs", 0, NULL [pid 903] <... mkdirat resumed>) = 0 [pid 906] set_robust_list(0x555579e166a0, 24 [pid 905] setpgid(0, 0 [pid 904] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 903] rmdir("./config/usb_gadget/g1" [pid 906] <... set_robust_list resumed>) = 0 [pid 905] <... setpgid resumed>) = 0 [pid 904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 906] rt_sigprocmask(SIG_SETMASK, [] [pid 905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 903] <... rmdir resumed>) = 0 [pid 906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 905] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 905] write(3, "1000", 4 [ 30.189508][ T894] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.189508][ T894] 7) [pid 903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 906] <... prctl resumed>) = 0 [pid 905] <... write resumed>) = 4 [pid 904] <... mkdirat resumed>) = 0 [pid 906] setpgid(0, 0 [pid 905] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 906] <... setpgid resumed>) = 0 [pid 905] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 905] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 906] <... openat resumed>) = 3 [pid 905] <... write resumed>) = 18 [pid 904] rmdir("./config/usb_gadget/g1" [pid 903] <... mkdirat resumed>) = -1 ENODEV (No such device) ci2-android-5-15/strace-static-x86_64: Process 907 attached [pid 906] write(3, "1000", 4 [pid 905] mkdirat(AT_FDCWD, "./config", 0777 [pid 904] <... rmdir resumed>) = 0 [pid 907] set_robust_list(0x555579e166a0, 24 [pid 906] <... write resumed>) = 4 [pid 905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 903] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 907 [pid 906] close(3 [pid 905] mount(NULL, "./config", "configfs", 0, NULL [pid 904] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 903] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 907] <... set_robust_list resumed>) = 0 [pid 906] <... close resumed>) = 0 [pid 905] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 904] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 906] write(1, "executing program\n", 18 [pid 905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 904] <... exit_group resumed>) = ? executing program [pid 903] +++ exited with 0 +++ [pid 907] rt_sigprocmask(SIG_SETMASK, [] [pid 906] <... write resumed>) = 18 [pid 905] <... mkdirat resumed>) = 0 [pid 904] +++ exited with 0 +++ [pid 907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 906] mkdirat(AT_FDCWD, "./config", 0777 [pid 905] rmdir("./config/usb_gadget/g1" [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 905] <... rmdir resumed>) = 0 [pid 907] <... prctl resumed>) = 0 [pid 907] setpgid(0, 0 [pid 906] mount(NULL, "./config", "configfs", 0, NULL [pid 905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 907] <... setpgid resumed>) = 0 [pid 906] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 905] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 907] <... openat resumed>) = 3 [pid 907] write(3, "1000", 4) = 4 [pid 907] close(3) = 0 [pid 907] write(1, "executing program\n", 18) = 18 [pid 906] <... mkdirat resumed>) = 0 [pid 907] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 907] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 907] rmdir("./config/usb_gadget/g1") = 0 [pid 905] exit_group(0 [pid 907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 907] exit_group(0 [pid 905] <... exit_group resumed>) = ? [pid 907] <... exit_group resumed>) = ? [pid 907] +++ exited with 0 +++ [pid 905] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 906] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 906] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 906] exit_group(0) = ? [pid 906] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] 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 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 908 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 909 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 908 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 910 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 908] set_robust_list(0x555579e166a0, 24) = 0 [pid 908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 911 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 908] <... prctl resumed>) = 0 [pid 908] setpgid(0, 0) = 0 [pid 908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 908] write(3, "1000", 4) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 912 [pid 908] close(3) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 908] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 908] <... write resumed>) = 18 executing program [pid 908] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 908] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 911 attached ci2-android-5-15/strace-static-x86_64: Process 909 attached [pid 909] set_robust_list(0x555579e166a0, 24 [pid 911] set_robust_list(0x555579e166a0, 24 [pid 909] <... set_robust_list resumed>) = 0 [pid 908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 910 attached [pid 911] <... set_robust_list resumed>) = 0 [pid 908] <... mkdirat resumed>) = 0 [pid 909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 909] setpgid(0, 0) = 0 [pid 909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 909] write(3, "1000", 4) = 4 [pid 909] close(3) = 0 [pid 909] write(1, "executing program\n", 18) = 18 [pid 909] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 908] rmdir("./config/usb_gadget/g1") = 0 [pid 909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 909] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 912 attached [pid 911] rt_sigprocmask(SIG_SETMASK, [] [pid 910] set_robust_list(0x555579e166a0, 24 [pid 909] rmdir("./config/usb_gadget/g1" [pid 911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 910] <... set_robust_list resumed>) = 0 [pid 911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 910] rt_sigprocmask(SIG_SETMASK, [] [pid 911] <... prctl resumed>) = 0 [pid 910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 912] set_robust_list(0x555579e166a0, 24 [pid 911] setpgid(0, 0 [pid 910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 912] <... set_robust_list resumed>) = 0 [pid 911] <... setpgid resumed>) = 0 [pid 910] <... prctl resumed>) = 0 [pid 908] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 912] rt_sigprocmask(SIG_SETMASK, [] [pid 911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 910] setpgid(0, 0 [pid 908] exit_group(0) = ? [pid 912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 911] <... openat resumed>) = 3 [pid 910] <... setpgid resumed>) = 0 [pid 909] <... rmdir resumed>) = 0 [pid 908] +++ exited with 0 +++ [pid 912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 911] write(3, "1000", 4 [pid 910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 912] <... prctl resumed>) = 0 [pid 911] <... write resumed>) = 4 [pid 910] <... openat resumed>) = 3 [pid 909] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 912] setpgid(0, 0 [pid 911] close(3 [pid 910] write(3, "1000", 4 [pid 912] <... setpgid resumed>) = 0 [pid 911] <... close resumed>) = 0 [pid 910] <... write resumed>) = 4 [pid 909] exit_group(0 [pid 912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 911] write(1, "executing program\n", 18 [pid 910] close(3 [pid 909] <... exit_group resumed>) = ? executing program executing program [pid 912] <... openat resumed>) = 3 [pid 911] <... write resumed>) = 18 [pid 910] <... close resumed>) = 0 [pid 912] write(3, "1000", 4 [pid 911] mkdirat(AT_FDCWD, "./config", 0777 [pid 910] write(1, "executing program\n", 18 [pid 909] +++ exited with 0 +++ [pid 912] <... write resumed>) = 4 [pid 911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 910] <... write resumed>) = 18 [pid 912] close(3 [pid 911] mount(NULL, "./config", "configfs", 0, NULL [pid 910] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 912] <... close resumed>) = 0 [pid 911] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 910] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 912] write(1, "executing program\n", 18 [pid 911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 912] <... write resumed>) = 18 [pid 911] <... mkdirat resumed>) = 0 [pid 910] mount(NULL, "./config", "configfs", 0, NULL [pid 912] mkdirat(AT_FDCWD, "./config", 0777 [pid 911] rmdir("./config/usb_gadget/g1" [pid 910] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 911] <... rmdir resumed>) = 0 [pid 910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 912] mount(NULL, "./config", "configfs", 0, NULL [pid 911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 910] <... mkdirat resumed>) = 0 executing program [ 30.250079][ T903] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.250079][ T903] 7) [ 30.279891][ T908] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.279891][ T908] 7) [pid 912] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 910] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 911] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 910] <... rmdir resumed>) = 0 [pid 911] exit_group(0 [pid 910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 911] <... exit_group resumed>) = ? [pid 910] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 911] +++ exited with 0 +++ [pid 910] exit_group(0) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=911, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 910] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 912] <... mkdirat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 913 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 913 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 912] rmdir("./config/usb_gadget/g1" [pid 913] set_robust_list(0x555579e166a0, 24 [pid 912] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 912] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 914 attached [pid 913] <... set_robust_list resumed>) = 0 [pid 912] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 914 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 914] set_robust_list(0x555579e166a0, 24 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 913] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 914] <... set_robust_list resumed>) = 0 [pid 913] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 913] <... prctl resumed>) = 0 [pid 914] <... prctl resumed>) = 0 [pid 914] setpgid(0, 0) = 0 [pid 914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 913] setpgid(0, 0 [pid 914] <... openat resumed>) = 3 [pid 913] <... setpgid resumed>) = 0 [pid 914] write(3, "1000", 4) = 4 [pid 914] close(3) = 0 [pid 914] write(1, "executing program\n", 18 [pid 913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 914] <... write resumed>) = 18 executing program [pid 914] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 914] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 913] <... openat resumed>) = 3 [pid 913] write(3, "1000", 4) = 4 [pid 913] close(3) = 0 [pid 914] <... mkdirat resumed>) = 0 [pid 914] rmdir("./config/usb_gadget/g1" [pid 913] write(1, "executing program\n", 18 [pid 914] <... rmdir resumed>) = 0 [pid 914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 914] exit_group(0) = ? executing program [pid 914] +++ exited with 0 +++ [pid 913] <... write resumed>) = 18 [pid 913] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 913] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 913] rmdir("./config/usb_gadget/g1") = 0 [pid 913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 913] exit_group(0) = ? [pid 913] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] 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 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 915 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 915 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 916 attached [pid 915] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 916 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 916] set_robust_list(0x555579e166a0, 24 [pid 915] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 916] <... set_robust_list resumed>) = 0 [pid 916] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 915] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 917 attached [pid 916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 917 [pid 916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 917] set_robust_list(0x555579e166a0, 24 [pid 916] <... prctl resumed>) = 0 [pid 915] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 917] <... set_robust_list resumed>) = 0 [pid 916] setpgid(0, 0 [pid 915] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 916] <... setpgid resumed>) = 0 [pid 915] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 917] rt_sigprocmask(SIG_SETMASK, [] [pid 916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 918 attached [pid 917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 916] <... openat resumed>) = 3 [pid 915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 916] write(3, "1000", 4 [pid 917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 916] <... write resumed>) = 4 [pid 915] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 918 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 918] set_robust_list(0x555579e166a0, 24 [pid 917] <... prctl resumed>) = 0 [pid 916] close(3 [pid 915] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 918] <... set_robust_list resumed>) = 0 [pid 917] setpgid(0, 0 [pid 916] <... close resumed>) = 0 [pid 915] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 919 attached [pid 918] rt_sigprocmask(SIG_SETMASK, [] [pid 917] <... setpgid resumed>) = 0 [pid 916] write(1, "executing program\n", 18 executing program [pid 915] close(3 [pid 918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 916] <... write resumed>) = 18 [pid 915] <... close resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 919 [pid 918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 917] <... openat resumed>) = 3 [pid 916] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 918] <... prctl resumed>) = 0 [pid 917] write(3, "1000", 4 [pid 916] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 915] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 918] setpgid(0, 0 [pid 917] <... write resumed>) = 4 [pid 916] mount(NULL, "./config", "configfs", 0, NULL [pid 915] <... write resumed>) = 18 [pid 918] <... setpgid resumed>) = 0 [pid 917] close(3 [pid 916] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 917] <... close resumed>) = 0 [pid 916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 915] mkdirat(AT_FDCWD, "./config", 0777 [pid 919] set_robust_list(0x555579e166a0, 24 [pid 918] <... openat resumed>) = 3 [pid 917] write(1, "executing program\n", 18 [pid 916] <... mkdirat resumed>) = 0 [pid 918] write(3, "1000", 4 [pid 916] rmdir("./config/usb_gadget/g1" [pid 918] <... write resumed>) = 4 [pid 916] <... rmdir resumed>) = 0 [pid 918] close(3 [pid 916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 918] <... close resumed>) = 0 [pid 917] <... write resumed>) = 18 [pid 916] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 918] write(1, "executing program\n", 18 [pid 916] exit_group(0 [pid 915] mount(NULL, "./config", "configfs", 0, NULL [pid 918] <... write resumed>) = 18 [pid 917] mkdirat(AT_FDCWD, "./config", 0777 [pid 916] <... exit_group resumed>) = ? executing program executing program [pid 919] <... set_robust_list resumed>) = 0 [pid 918] mkdirat(AT_FDCWD, "./config", 0777 [pid 917] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 916] +++ exited with 0 +++ [pid 915] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 918] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 917] mount(NULL, "./config", "configfs", 0, NULL [pid 915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 917] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 915] <... mkdirat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 918] rmdir("./config/usb_gadget/g1") = 0 [pid 918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 918] exit_group(0) = ? [pid 918] +++ exited with 0 +++ [pid 917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 915] rmdir("./config/usb_gadget/g1" [pid 919] rt_sigprocmask(SIG_SETMASK, [] [pid 915] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 919] setpgid(0, 0) = 0 [pid 919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 917] <... mkdirat resumed>) = 0 [pid 919] <... openat resumed>) = 3 [pid 915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 919] write(3, "1000", 4) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 919] close(3) = 0 [pid 919] write(1, "executing program\n", 18) = 18 [pid 919] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 919] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 919] rmdir("./config/usb_gadget/g1" [pid 917] rmdir("./config/usb_gadget/g1" [pid 308] <... 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] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 920 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 920 attached [pid 915] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 915] exit_group(0 [pid 920] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 915] <... exit_group resumed>) = ? [pid 920] <... set_robust_list resumed>) = 0 [pid 915] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 917] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=915, 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 920] rt_sigprocmask(SIG_SETMASK, [] [pid 917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 919] <... rmdir resumed>) = 0 [pid 917] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 917] exit_group(0 [pid 919] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 917] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 921 ci2-android-5-15/strace-static-x86_64: Process 921 attached [pid 920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 919] exit_group(0 [pid 917] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 920] <... prctl resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 920] setpgid(0, 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 920] <... setpgid resumed>) = 0 [pid 919] <... exit_group resumed>) = ? [pid 921] set_robust_list(0x555579e166a0, 24 [pid 920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 919] +++ exited with 0 +++ [pid 921] <... set_robust_list resumed>) = 0 [pid 920] <... openat resumed>) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 920] write(3, "1000", 4 [pid 921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 920] <... write resumed>) = 4 [pid 921] <... prctl resumed>) = 0 [pid 920] close(3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 921] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 920] <... close resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 921] <... setpgid resumed>) = 0 [pid 921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 921] write(3, "1000", 4) = 4 [pid 921] close(3 [pid 920] write(1, "executing program\n", 18 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 922 [pid 921] <... close resumed>) = 0 [pid 921] write(1, "executing program\n", 18 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 920] <... write resumed>) = 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 921] <... write resumed>) = 18 [pid 921] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 920] mkdirat(AT_FDCWD, "./config", 0777 [pid 921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 921] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 921] rmdir("./config/usb_gadget/g1") = 0 [pid 921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 921] exit_group(0) = ? [pid 921] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 922 attached [pid 920] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 922] set_robust_list(0x555579e166a0, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 922] <... set_robust_list resumed>) = 0 [pid 922] rt_sigprocmask(SIG_SETMASK, [] [pid 920] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 922] setpgid(0, 0) = 0 [pid 922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 922] <... openat resumed>) = 3 [pid 922] write(3, "1000", 4) = 4 [pid 922] close(3) = 0 [pid 922] write(1, "executing program\n", 18) = 18 [pid 922] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 922] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 920] <... mkdirat resumed>) = 0 [pid 920] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 920] exit_group(0) = ? [pid 920] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 922] <... mkdirat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 923 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 922] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 924 [pid 922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 922] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 922] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 924 attached ci2-android-5-15/strace-static-x86_64: Process 923 attached [pid 922] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 924] set_robust_list(0x555579e166a0, 24 [pid 923] set_robust_list(0x555579e166a0, 24) = 0 [pid 923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 924] <... set_robust_list resumed>) = 0 [pid 923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 925 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 923] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 925 attached [pid 924] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 925] set_robust_list(0x555579e166a0, 24 [pid 924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 925] <... set_robust_list resumed>) = 0 [pid 923] setpgid(0, 0 [pid 924] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 923] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 924] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 925] rt_sigprocmask(SIG_SETMASK, [] [pid 924] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] 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 923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 923] write(3, "1000", 4) = 4 [pid 923] close(3) = 0 [pid 923] write(1, "executing program\n", 18) = 18 [pid 923] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 923] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 926 [pid 925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 927 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 924] <... openat resumed>) = 3 [pid 923] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 925] <... prctl resumed>) = 0 [pid 924] write(3, "1000", 4) = 4 [pid 923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 925] setpgid(0, 0 [pid 924] close(3 [pid 925] <... setpgid resumed>) = 0 [pid 924] <... close resumed>) = 0 [pid 923] <... mkdirat resumed>) = 0 [pid 923] rmdir("./config/usb_gadget/g1" [pid 924] write(1, "executing program\n", 18 [pid 923] <... rmdir resumed>) = 0 [pid 923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 923] exit_group(0) = ? executing program [pid 925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 924] <... write resumed>) = 18 [pid 923] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 926 attached ci2-android-5-15/strace-static-x86_64: Process 927 attached [pid 924] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 925] <... openat resumed>) = 3 [pid 924] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 927] set_robust_list(0x555579e166a0, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 924] mount(NULL, "./config", "configfs", 0, NULL [pid 925] write(3, "1000", 4 [pid 927] <... set_robust_list resumed>) = 0 [pid 924] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 925] <... write resumed>) = 4 [pid 924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 927] setpgid(0, 0) = 0 [pid 927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 924] <... mkdirat resumed>) = 0 [pid 927] <... openat resumed>) = 3 [pid 927] write(3, "1000", 4) = 4 [pid 927] close(3) = 0 [pid 927] write(1, "executing program\n", 18) = 18 [pid 927] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 927] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 924] rmdir("./config/usb_gadget/g1" [pid 925] close(3 [pid 927] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 924] <... rmdir resumed>) = 0 [pid 927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 927] exit_group(0) = ? [pid 927] +++ exited with 0 +++ [pid 925] <... close resumed>) = 0 [pid 924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 926] set_robust_list(0x555579e166a0, 24 [pid 925] write(1, "executing program\n", 18) = 18 executing program [pid 925] mkdirat(AT_FDCWD, "./config", 0777 [pid 924] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 925] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 924] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 924] <... exit_group resumed>) = ? [pid 926] <... set_robust_list resumed>) = 0 [pid 925] <... mkdirat resumed>) = 0 [pid 925] rmdir("./config/usb_gadget/g1") = 0 [pid 925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 925] exit_group(0) = ? [pid 925] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 924] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 926] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [ 30.297280][ T911] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.297280][ T911] 7) [ 30.332277][ T915] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.332277][ T915] 7) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 928 attached [pid 926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 928] set_robust_list(0x555579e166a0, 24) = 0 [pid 926] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 928 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 928] rt_sigprocmask(SIG_SETMASK, [] [pid 926] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 926] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 929 attached [pid 928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 929] set_robust_list(0x555579e166a0, 24 [pid 928] <... prctl resumed>) = 0 [pid 926] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 929 [pid 929] <... set_robust_list resumed>) = 0 [pid 928] setpgid(0, 0 [pid 926] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 930 attached [pid 929] rt_sigprocmask(SIG_SETMASK, [] [pid 928] <... setpgid resumed>) = 0 [pid 926] <... write resumed>) = 4 [pid 930] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 930 [pid 929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 926] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 931 attached [pid 930] <... set_robust_list resumed>) = 0 [pid 929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 928] <... openat resumed>) = 3 [pid 926] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 931 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 929] <... prctl resumed>) = 0 [pid 928] write(3, "1000", 4 executing program [pid 926] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 929] setpgid(0, 0 [pid 928] <... write resumed>) = 4 [pid 926] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 929] <... setpgid resumed>) = 0 [pid 928] close(3 [pid 926] mkdirat(AT_FDCWD, "./config", 0777 [pid 931] set_robust_list(0x555579e166a0, 24 [pid 930] rt_sigprocmask(SIG_SETMASK, [] [pid 929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 928] <... close resumed>) = 0 [pid 926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 931] <... set_robust_list resumed>) = 0 [pid 930] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 929] <... openat resumed>) = 3 [pid 928] write(1, "executing program\n", 18 [pid 926] mount(NULL, "./config", "configfs", 0, NULL [pid 929] write(3, "1000", 4 [pid 928] <... write resumed>) = 18 [pid 926] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 929] <... write resumed>) = 4 [pid 928] mkdirat(AT_FDCWD, "./config", 0777 [pid 926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 931] rt_sigprocmask(SIG_SETMASK, [] [pid 930] <... prctl resumed>) = 0 [pid 929] close(3 [pid 931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 930] setpgid(0, 0 [pid 929] <... close resumed>) = 0 [pid 926] <... mkdirat resumed>) = 0 [pid 931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 930] <... setpgid resumed>) = 0 [pid 931] <... prctl resumed>) = 0 [pid 930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 929] write(1, "executing program\n", 18 [pid 930] <... openat resumed>) = 3 [pid 928] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 926] rmdir("./config/usb_gadget/g1" [pid 931] setpgid(0, 0 [pid 930] write(3, "1000", 4 [pid 929] <... write resumed>) = 18 [pid 928] mount(NULL, "./config", "configfs", 0, NULL [pid 926] <... rmdir resumed>) = 0 [pid 931] <... setpgid resumed>) = 0 [pid 930] <... write resumed>) = 4 [pid 929] mkdirat(AT_FDCWD, "./config", 0777 [pid 928] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 926] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 930] close(3 [pid 929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 928] <... mkdirat resumed>) = 0 [pid 926] exit_group(0 [pid 928] rmdir("./config/usb_gadget/g1" [pid 926] <... exit_group resumed>) = ? [pid 931] <... openat resumed>) = 3 [pid 930] <... close resumed>) = 0 [pid 929] mount(NULL, "./config", "configfs", 0, NULL [pid 928] <... rmdir resumed>) = 0 [pid 926] +++ exited with 0 +++ [pid 928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 928] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 928] exit_group(0) = ? [pid 931] write(3, "1000", 4 [pid 930] write(1, "executing program\n", 18 [pid 929] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 928] +++ exited with 0 +++ executing program [pid 931] <... write resumed>) = 4 [pid 930] <... write resumed>) = 18 [pid 929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 930] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 931] close(3) = 0 [pid 931] write(1, "executing program\n", 18) = 18 [pid 931] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 931] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 930] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 930] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 929] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 932 attached [pid 931] rmdir("./config/usb_gadget/g1" [pid 930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 929] rmdir("./config/usb_gadget/g1" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 932 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 929] <... rmdir resumed>) = 0 [pid 932] set_robust_list(0x555579e166a0, 24 [pid 930] rmdir("./config/usb_gadget/g1" [pid 932] <... set_robust_list resumed>) = 0 [pid 931] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 933 [pid 930] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 929] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 930] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 929] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 932] rt_sigprocmask(SIG_SETMASK, [] [pid 930] exit_group(0 [pid 929] <... exit_group resumed>) = ? [pid 931] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 930] <... exit_group resumed>) = ? [pid 932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 932] setpgid(0, 0) = 0 [pid 932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 929] +++ exited with 0 +++ [pid 932] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 932] <... write resumed>) = 4 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 932] close(3) = 0 [pid 932] write(1, "executing program\n", 18 [pid 930] +++ exited with 0 +++ [pid 932] <... write resumed>) = 18 [pid 932] mkdirat(AT_FDCWD, "./config", 0777 [pid 931] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 931] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 932] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 933 attached ) = 0 [pid 931] +++ exited with 0 +++ [pid 933] set_robust_list(0x555579e166a0, 24 [pid 932] rmdir("./config/usb_gadget/g1" [pid 933] <... set_robust_list resumed>) = 0 [pid 932] <... rmdir resumed>) = 0 [pid 933] rt_sigprocmask(SIG_SETMASK, [] [pid 932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 932] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 932] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 933] <... prctl resumed>) = 0 [pid 932] <... exit_group resumed>) = ? [pid 932] +++ exited with 0 +++ [pid 933] setpgid(0, 0) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 933] <... openat resumed>) = 3 [pid 933] write(3, "1000", 4) = 4 [pid 933] close(3) = 0 executing program [pid 933] write(1, "executing program\n", 18) = 18 [pid 933] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 933] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 933] rmdir("./config/usb_gadget/g1") = 0 [pid 933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 933] exit_group(0) = ? [pid 933] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 934 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 934 ci2-android-5-15/strace-static-x86_64: Process 935 attached [pid 935] set_robust_list(0x555579e166a0, 24 [pid 934] set_robust_list(0x555579e166a0, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 935 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 936 attached ci2-android-5-15/strace-static-x86_64: Process 937 attached [pid 935] <... set_robust_list resumed>) = 0 [pid 934] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 937 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 936 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 935] rt_sigprocmask(SIG_SETMASK, [] [pid 934] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 938 attached [pid 937] set_robust_list(0x555579e166a0, 24 [pid 936] set_robust_list(0x555579e166a0, 24 [pid 935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 938 [pid 936] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 935] <... prctl resumed>) = 0 [pid 934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 936] rt_sigprocmask(SIG_SETMASK, [] [pid 935] setpgid(0, 0 [pid 934] <... prctl resumed>) = 0 [pid 935] <... setpgid resumed>) = 0 [pid 936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 937] <... set_robust_list resumed>) = 0 [pid 934] setpgid(0, 0 [pid 938] set_robust_list(0x555579e166a0, 24 [pid 935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 934] <... setpgid resumed>) = 0 [pid 936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 935] <... openat resumed>) = 3 [pid 936] <... prctl resumed>) = 0 [pid 934] <... openat resumed>) = 3 [pid 935] write(3, "1000", 4 [pid 936] setpgid(0, 0 [pid 934] write(3, "1000", 4 [pid 935] <... write resumed>) = 4 [pid 936] <... setpgid resumed>) = 0 [pid 934] <... write resumed>) = 4 [pid 935] close(3 [pid 936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 934] close(3 [pid 935] <... close resumed>) = 0 [pid 935] write(1, "executing program\n", 18 [pid 934] <... close resumed>) = 0 [pid 936] <... openat resumed>) = 3 [pid 935] <... write resumed>) = 18 executing program [pid 936] write(3, "1000", 4 executing program [pid 934] write(1, "executing program\n", 18 [pid 936] <... write resumed>) = 4 [pid 935] mkdirat(AT_FDCWD, "./config", 0777 [pid 934] <... write resumed>) = 18 [pid 938] <... set_robust_list resumed>) = 0 [pid 937] rt_sigprocmask(SIG_SETMASK, [] [pid 936] close(3 [pid 935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 934] mkdirat(AT_FDCWD, "./config", 0777 [pid 935] mount(NULL, "./config", "configfs", 0, NULL [pid 934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 936] <... close resumed>) = 0 [pid 935] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 936] write(1, "executing program\n", 18 [pid 934] mount(NULL, "./config", "configfs", 0, NULL [pid 935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 934] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 936] <... write resumed>) = 18 executing program [pid 938] rt_sigprocmask(SIG_SETMASK, [] [pid 937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 936] mkdirat(AT_FDCWD, "./config", 0777 [pid 935] <... mkdirat resumed>) = 0 [pid 934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 935] rmdir("./config/usb_gadget/g1" [pid 938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 937] <... prctl resumed>) = 0 [pid 936] mount(NULL, "./config", "configfs", 0, NULL [pid 935] <... rmdir resumed>) = 0 [pid 934] rmdir("./config/usb_gadget/g1" [pid 936] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 934] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 936] <... mkdirat resumed>) = 0 [pid 937] setpgid(0, 0) = 0 [pid 937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 937] write(3, "1000", 4 [pid 936] rmdir("./config/usb_gadget/g1" [pid 937] <... write resumed>) = 4 [pid 937] close(3) = 0 executing program [pid 937] write(1, "executing program\n", 18) = 18 [pid 938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 937] mkdirat(AT_FDCWD, "./config", 0777 [pid 938] <... prctl resumed>) = 0 [pid 937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 938] setpgid(0, 0 [pid 937] mount(NULL, "./config", "configfs", 0, NULL [pid 938] <... setpgid resumed>) = 0 [pid 937] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 938] <... openat resumed>) = 3 [pid 937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 938] write(3, "1000", 4 [pid 937] rmdir("./config/usb_gadget/g1" [pid 938] <... write resumed>) = 4 [pid 938] close(3 [pid 937] <... rmdir resumed>) = 0 [pid 935] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 934] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 938] <... close resumed>) = 0 [pid 937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 936] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 935] exit_group(0 [pid 934] exit_group(0 [pid 936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 934] <... exit_group resumed>) = ? [pid 938] write(1, "executing program\n", 18 [pid 937] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 936] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 938] <... write resumed>) = 18 [pid 937] exit_group(0 [pid 938] mkdirat(AT_FDCWD, "./config", 0777 [pid 937] <... exit_group resumed>) = ? executing program [pid 938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 937] +++ exited with 0 +++ [pid 936] exit_group(0 [pid 935] <... exit_group resumed>) = ? [pid 934] +++ exited with 0 +++ [pid 938] mount(NULL, "./config", "configfs", 0, NULL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 936] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 938] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 936] +++ exited with 0 +++ [pid 935] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=935, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... 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 938] rmdir("./config/usb_gadget/g1") = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 939 attached [pid 938] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 939 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 938] <... exit_group resumed>) = ? [pid 939] set_robust_list(0x555579e166a0, 24 [pid 938] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 939] <... set_robust_list resumed>) = 0 [pid 939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 939] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=938, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 940 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 939] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 939] <... openat resumed>) = 3 [pid 939] write(3, "1000", 4) = 4 [pid 939] close(3) = 0 [pid 939] write(1, "executing program\n", 18) = 18 executing program [pid 939] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 939] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 939] rmdir("./config/usb_gadget/g1") = 0 [pid 939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 939] exit_group(0) = ? [pid 939] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 940 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 940] set_robust_list(0x555579e166a0, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 940] <... set_robust_list resumed>) = 0 [pid 940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 940] setpgid(0, 0) = 0 [pid 940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 940] write(3, "1000", 4 [pid 305] <... restart_syscall resumed>) = 0 [pid 940] <... write resumed>) = 4 [pid 940] close(3) = 0 [pid 940] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 940] <... write resumed>) = 18 executing program [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 940] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 940] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 940] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 941 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 940] exit_group(0) = ? [pid 940] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 941 attached [pid 941] set_robust_list(0x555579e166a0, 24) = 0 [pid 941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 942 [pid 941] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 941] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 941] <... setpgid resumed>) = 0 [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 941] write(3, "1000", 4) = 4 [pid 941] close(3) = 0 [pid 941] write(1, "executing program\n", 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 941] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 942 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 941] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 941] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 943 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 941] <... mkdirat resumed>) = 0 [pid 941] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 944 [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 941] <... rmdir resumed>) = 0 [pid 941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 941] exit_group(0) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 941] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 945 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 942] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 942] <... prctl resumed>) = 0 [pid 942] setpgid(0, 0) = 0 [pid 942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 944 attached ci2-android-5-15/strace-static-x86_64: Process 945 attached ) = 3 [pid 942] write(3, "1000", 4) = 4 [pid 942] close(3) = 0 [pid 942] write(1, "executing program\n", 18) = 18 executing program [pid 942] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 942] mount(NULL, "./config", "configfs", 0, NULL [pid 944] set_robust_list(0x555579e166a0, 24 [pid 942] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 945] set_robust_list(0x555579e166a0, 24 [pid 944] <... set_robust_list resumed>) = 0 [pid 945] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 943 attached [pid 942] <... mkdirat resumed>) = 0 [pid 942] rmdir("./config/usb_gadget/g1") = 0 [pid 942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 942] exit_group(0) = ? [pid 942] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 944] setpgid(0, 0) = 0 [pid 944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 945] rt_sigprocmask(SIG_SETMASK, [] [pid 944] write(3, "1000", 4) = 4 [pid 944] close(3) = 0 [pid 944] write(1, "executing program\n", 18) = 18 executing program [pid 944] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 944] mount(NULL, "./config", "configfs", 0, NULL [pid 945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 943] set_robust_list(0x555579e166a0, 24 [pid 944] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 943] <... set_robust_list resumed>) = 0 [pid 945] <... prctl resumed>) = 0 [pid 945] setpgid(0, 0) = 0 [pid 945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 945] write(3, "1000", 4) = 4 [pid 945] close(3) = 0 [pid 945] write(1, "executing program\n", 18 [pid 944] <... mkdirat resumed>) = 0 [pid 945] <... write resumed>) = 18 [pid 943] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 944] rmdir("./config/usb_gadget/g1" [pid 945] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 945] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 943] setpgid(0, 0) = 0 [pid 943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 943] write(3, "1000", 4) = 4 [ 30.419684][ T934] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.419684][ T934] 7) [ 30.430789][ T935] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.430789][ T935] 7) [pid 944] <... rmdir resumed>) = 0 [pid 943] close(3 [pid 945] <... mkdirat resumed>) = 0 [pid 945] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 945] exit_group(0) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 945] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 943] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 943] write(1, "executing program\n", 18) = 18 [pid 943] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 946 [pid 943] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program ci2-android-5-15/strace-static-x86_64: Process 947 attached ci2-android-5-15/strace-static-x86_64: Process 946 attached [pid 944] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 943] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 947 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 944] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 947] set_robust_list(0x555579e166a0, 24 [pid 944] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 946] set_robust_list(0x555579e166a0, 24 [pid 943] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 944] +++ exited with 0 +++ [pid 943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 947] <... set_robust_list resumed>) = 0 [pid 946] <... set_robust_list resumed>) = 0 [pid 943] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 943] rmdir("./config/usb_gadget/g1") = 0 [pid 943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 943] exit_group(0) = ? [pid 943] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 948 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 947] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 946] rt_sigprocmask(SIG_SETMASK, [] [pid 947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 946] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 948 attached [pid 948] set_robust_list(0x555579e166a0, 24) = 0 [pid 948] rt_sigprocmask(SIG_SETMASK, [] [pid 947] <... prctl resumed>) = 0 [pid 946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 947] setpgid(0, 0 [pid 946] <... prctl resumed>) = 0 [pid 947] <... setpgid resumed>) = 0 [pid 948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 946] setpgid(0, 0 [pid 948] <... prctl resumed>) = 0 [pid 948] setpgid(0, 0 [pid 947] <... openat resumed>) = 3 [pid 946] <... setpgid resumed>) = 0 [pid 947] write(3, "1000", 4 [pid 948] <... setpgid resumed>) = 0 [pid 947] <... write resumed>) = 4 [pid 948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 947] close(3) = 0 [pid 948] <... openat resumed>) = 3 [pid 948] write(3, "1000", 4 [pid 947] write(1, "executing program\n", 18 [pid 946] <... openat resumed>) = 3 [pid 948] <... write resumed>) = 4 [pid 947] <... write resumed>) = 18 [pid 946] write(3, "1000", 4 [pid 948] close(3 executing program [pid 947] mkdirat(AT_FDCWD, "./config", 0777 [pid 946] <... write resumed>) = 4 [pid 947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 948] <... close resumed>) = 0 [pid 947] mount(NULL, "./config", "configfs", 0, NULL [pid 946] close(3 [pid 948] write(1, "executing program\n", 18 [pid 947] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 946] <... close resumed>) = 0 [pid 947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 948] <... write resumed>) = 18 [pid 948] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 948] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 946] write(1, "executing program\n", 18) = 18 [pid 946] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 946] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 947] <... mkdirat resumed>) = 0 [pid 948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 947] rmdir("./config/usb_gadget/g1" [pid 948] rmdir("./config/usb_gadget/g1" [pid 946] rmdir("./config/usb_gadget/g1" [pid 948] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 947] <... rmdir resumed>) = 0 [pid 947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 947] exit_group(0) = ? [pid 948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 947] +++ exited with 0 +++ [pid 946] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] <... restart_syscall resumed>) = 0 [pid 948] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 948] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 948] <... exit_group resumed>) = ? [pid 946] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 949 attached ) = ? [pid 948] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 949 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=948, 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 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 949] set_robust_list(0x555579e166a0, 24) = 0 [pid 949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 949] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 949] setpgid(0, 0) = 0 [pid 949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 946] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 950 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 950 [pid 949] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 950] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 950] <... set_robust_list resumed>) = 0 [pid 949] <... write resumed>) = 4 [pid 949] close(3 [pid 950] rt_sigprocmask(SIG_SETMASK, [] [pid 949] <... close resumed>) = 0 [pid 949] write(1, "executing program\n", 18) = 18 [pid 950] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 949] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 949] mount(NULL, "./config", "configfs", 0, NULL [pid 950] <... prctl resumed>) = 0 [pid 950] setpgid(0, 0 [pid 949] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 950] <... setpgid resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 949] <... mkdirat resumed>) = 0 [pid 949] rmdir("./config/usb_gadget/g1") = 0 [pid 949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 949] exit_group(0) = ? [pid 949] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 951 ci2-android-5-15/strace-static-x86_64: Process 951 attached [pid 951] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 951] <... set_robust_list resumed>) = 0 [pid 951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 951] setpgid(0, 0) = 0 [pid 951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 953 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 952 [pid 951] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 950] <... openat resumed>) = 3 [pid 951] <... write resumed>) = 4 [pid 950] write(3, "1000", 4 [pid 951] close(3) = 0 [pid 951] write(1, "executing program\n", 18) = 18 [pid 951] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 951] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 953 attached ci2-android-5-15/strace-static-x86_64: Process 952 attached ) = 0 [pid 950] <... write resumed>) = 4 [pid 951] rmdir("./config/usb_gadget/g1") = 0 [pid 950] close(3 [pid 951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 951] exit_group(0) = ? [pid 951] +++ exited with 0 +++ [pid 950] <... close resumed>) = 0 [pid 953] set_robust_list(0x555579e166a0, 24 [pid 950] write(1, "executing program\n", 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 953] <... set_robust_list resumed>) = 0 executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 950] <... write resumed>) = 18 [pid 953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 953] setpgid(0, 0) = 0 [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 950] mkdirat(AT_FDCWD, "./config", 0777 [pid 952] set_robust_list(0x555579e166a0, 24 [pid 953] write(3, "1000", 4) = 4 [pid 953] close(3) = 0 [pid 953] write(1, "executing program\n", 18) = 18 executing program [pid 953] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 953] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 952] <... set_robust_list resumed>) = 0 [pid 950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 950] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 953] rmdir("./config/usb_gadget/g1" [pid 952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 952] setpgid(0, 0) = 0 [pid 952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 952] <... openat resumed>) = 3 [pid 950] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 952] write(3, "1000", 4) = 4 [pid 952] close(3) = 0 [pid 952] write(1, "executing program\n", 18) = 18 [pid 952] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 954 [pid 952] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 952] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 953] <... rmdir resumed>) = 0 [pid 953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 953] exit_group(0) = ? [pid 953] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 954 attached [pid 954] set_robust_list(0x555579e166a0, 24 [pid 950] <... mkdirat resumed>) = 0 [pid 952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 952] rmdir("./config/usb_gadget/g1" [pid 950] rmdir("./config/usb_gadget/g1" [pid 954] <... set_robust_list resumed>) = 0 [pid 954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 954] <... prctl resumed>) = 0 [pid 952] <... rmdir resumed>) = 0 [pid 952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 952] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 952] <... exit_group resumed>) = ? [pid 952] +++ exited with 0 +++ [pid 950] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... restart_syscall resumed>) = 0 [pid 954] setpgid(0, 0) = 0 [pid 954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 954] write(3, "1000", 4) = 4 [pid 954] close(3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 950] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 954] <... close resumed>) = 0 [pid 950] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 954] write(1, "executing program\n", 18) = 18 [pid 954] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 954] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 950] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 955 [pid 954] rmdir("./config/usb_gadget/g1") = 0 [pid 954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 956 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 954] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 954] exit_group(0) = ? [pid 954] +++ exited with 0 +++ [pid 950] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 955 attached [pid 955] set_robust_list(0x555579e166a0, 24) = 0 [pid 955] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 956 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 957 [pid 955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 956] set_robust_list(0x555579e166a0, 24) = 0 [pid 956] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 955] <... prctl resumed>) = 0 [pid 955] setpgid(0, 0) = 0 [pid 955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 955] <... openat resumed>) = 3 [pid 956] <... prctl resumed>) = 0 [pid 956] setpgid(0, 0) = 0 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 955] write(3, "1000", 4) = 4 [pid 956] <... openat resumed>) = 3 [pid 955] close(3) = 0 [pid 955] write(1, "executing program\n", 18) = 18 [pid 955] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 956] write(3, "1000", 4) = 4 [pid 955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 956] close(3) = 0 [pid 955] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 957 attached [pid 956] write(1, "executing program\n", 18 [pid 955] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 955] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 955] exit_group(0) = ? [pid 955] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 957] set_robust_list(0x555579e166a0, 24 [pid 956] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=955, 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 957] <... set_robust_list resumed>) = 0 [pid 956] mkdirat(AT_FDCWD, "./config", 0777 [pid 957] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 959 attached ci2-android-5-15/strace-static-x86_64: Process 958 attached [pid 956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 958 [pid 959] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 959 [pid 959] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 959] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 958] set_robust_list(0x555579e166a0, 24 [pid 957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 959] setpgid(0, 0 [pid 958] <... set_robust_list resumed>) = 0 [pid 956] mount(NULL, "./config", "configfs", 0, NULL [pid 959] <... setpgid resumed>) = 0 [pid 958] rt_sigprocmask(SIG_SETMASK, [] [pid 957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 956] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 959] <... openat resumed>) = 3 [pid 957] <... prctl resumed>) = 0 [pid 956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 957] setpgid(0, 0 [pid 956] <... mkdirat resumed>) = 0 [pid 957] <... setpgid resumed>) = 0 [pid 957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 957] write(3, "1000", 4) = 4 [pid 957] close(3) = 0 [pid 957] write(1, "executing program\n", 18) = 18 executing program [pid 957] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 957] mount(NULL, "./config", "configfs", 0, NULL [pid 956] rmdir("./config/usb_gadget/g1" [pid 959] write(3, "1000", 4 [pid 958] <... prctl resumed>) = 0 [pid 957] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 956] <... rmdir resumed>) = 0 [pid 957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 957] rmdir("./config/usb_gadget/g1") = 0 [pid 956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 956] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 957] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 956] exit_group(0 [pid 957] exit_group(0 [pid 956] <... exit_group resumed>) = ? [pid 959] <... write resumed>) = 4 [pid 958] setpgid(0, 0 [pid 957] <... exit_group resumed>) = ? [pid 956] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 959] close(3 [pid 958] <... setpgid resumed>) = 0 [pid 957] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 959] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 959] write(1, "executing program\n", 18 [pid 958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 959] <... write resumed>) = 18 [pid 959] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 960 attached [pid 959] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 958] <... openat resumed>) = 3 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 960 [pid 959] mount(NULL, "./config", "configfs", 0, NULL [pid 958] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 959] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 958] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 960] set_robust_list(0x555579e166a0, 24 [pid 959] <... mkdirat resumed>) = 0 [pid 958] close(3 [pid 959] rmdir("./config/usb_gadget/g1") = 0 [pid 959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 959] exit_group(0) = ? [pid 959] +++ exited with 0 +++ [pid 958] <... close resumed>) = 0 [pid 960] <... set_robust_list resumed>) = 0 [pid 958] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 960] rt_sigprocmask(SIG_SETMASK, [] [pid 958] <... write resumed>) = 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 958] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 958] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 960] <... prctl resumed>) = 0 [pid 960] setpgid(0, 0) = 0 [pid 960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 960] write(3, "1000", 4) = 4 [pid 960] close(3) = 0 [pid 958] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 961 [pid 958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 960] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 960] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 960] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 960] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 961 attached [pid 961] set_robust_list(0x555579e166a0, 24) = 0 [pid 961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 961] setpgid(0, 0) = 0 [pid 961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 961] write(3, "1000", 4 [pid 958] <... mkdirat resumed>) = 0 [pid 960] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 960] rmdir("./config/usb_gadget/g1") = 0 [pid 960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 960] exit_group(0) = ? [pid 960] +++ exited with 0 +++ [pid 958] rmdir("./config/usb_gadget/g1" [pid 961] <... write resumed>) = 4 [pid 961] close(3) = 0 [pid 961] write(1, "executing program\n", 18) = 18 executing program [pid 961] mkdirat(AT_FDCWD, "./config", 0777 [pid 958] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 958] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 961] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 958] exit_group(0 [pid 961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 958] <... exit_group resumed>) = ? [pid 961] <... mkdirat resumed>) = 0 [pid 961] rmdir("./config/usb_gadget/g1") = 0 [pid 961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 961] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 961] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 961] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 958] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 962 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 962 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 963 ci2-android-5-15/strace-static-x86_64: Process 963 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 963] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 963] <... set_robust_list resumed>) = 0 [pid 963] rt_sigprocmask(SIG_SETMASK, [] [pid 962] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 962] <... prctl resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 962] setpgid(0, 0) = 0 [pid 962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 962] <... openat resumed>) = 3 [pid 962] write(3, "1000", 4) = 4 [pid 962] close(3) = 0 [pid 962] write(1, "executing program\n", 18) = 18 [pid 962] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 964 [pid 962] mount(NULL, "./config", "configfs", 0, NULL [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 962] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 962] <... mkdirat resumed>) = 0 [pid 962] rmdir("./config/usb_gadget/g1") = 0 [pid 962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 962] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 962] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 965 ci2-android-5-15/strace-static-x86_64: Process 964 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 964] set_robust_list(0x555579e166a0, 24) = 0 [pid 964] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 965 attached [pid 965] set_robust_list(0x555579e166a0, 24 [pid 964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 965] <... set_robust_list resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 966 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 964] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 964] setpgid(0, 0) = 0 [pid 965] rt_sigprocmask(SIG_SETMASK, [] [pid 964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 964] <... openat resumed>) = 3 [pid 963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 965] setpgid(0, 0) = 0 [pid 965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 964] write(3, "1000", 4 [pid 963] <... prctl resumed>) = 0 [pid 964] <... write resumed>) = 4 [pid 964] close(3) = 0 executing program [pid 964] write(1, "executing program\n", 18) = 18 [pid 964] mkdirat(AT_FDCWD, "./config", 0777 [pid 965] <... openat resumed>) = 3 [pid 964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 965] write(3, "1000", 4) = 4 [pid 964] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 963] setpgid(0, 0 [pid 965] close(3) = 0 [pid 965] write(1, "executing program\n", 18) = 18 executing program [pid 965] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 965] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 963] <... setpgid resumed>) = 0 [pid 964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 965] <... mkdirat resumed>) = 0 [pid 965] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 966 attached ) = 0 [pid 965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 965] exit_group(0) = ? [pid 965] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 966] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 966] setpgid(0, 0) = 0 [pid 966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 966] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 967 [pid 963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 966] <... write resumed>) = 4 [pid 966] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 966] <... close resumed>) = 0 [pid 966] write(1, "executing program\n", 18) = 18 executing program [pid 966] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 966] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 967 attached [pid 967] set_robust_list(0x555579e166a0, 24 [pid 963] <... openat resumed>) = 3 [pid 967] <... set_robust_list resumed>) = 0 [pid 967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 963] write(3, "1000", 4) = 4 executing program [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 963] close(3 [pid 967] <... prctl resumed>) = 0 [pid 967] setpgid(0, 0) = 0 [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 967] write(3, "1000", 4) = 4 [pid 967] close(3) = 0 [pid 967] write(1, "executing program\n", 18) = 18 [pid 967] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 967] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 963] <... close resumed>) = 0 [pid 966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 963] write(1, "executing program\n", 18 executing program [pid 966] rmdir("./config/usb_gadget/g1" [pid 963] <... write resumed>) = 18 [pid 966] <... rmdir resumed>) = 0 [pid 966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 966] exit_group(0) = ? [pid 966] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 963] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 963] mount(NULL, "./config", "configfs", 0, NULL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 967] <... mkdirat resumed>) = 0 [pid 964] <... mkdirat resumed>) = 0 [pid 964] rmdir("./config/usb_gadget/g1") = 0 [pid 967] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 968 [pid 967] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 964] exit_group(0) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 967] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 967] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 969 [pid 963] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 967] <... exit_group resumed>) = ? [pid 963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 964] +++ exited with 0 +++ [pid 967] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 968 attached [pid 968] set_robust_list(0x555579e166a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 968] <... set_robust_list resumed>) = 0 [pid 968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 963] <... mkdirat resumed>) = 0 [pid 968] <... prctl resumed>) = 0 [pid 968] setpgid(0, 0) = 0 [pid 968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 963] rmdir("./config/usb_gadget/g1" [pid 968] <... openat resumed>) = 3 [pid 968] write(3, "1000", 4) = 4 [pid 968] close(3) = 0 [pid 968] write(1, "executing program\n", 18) = 18 [pid 968] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 968] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 969 attached [pid 969] set_robust_list(0x555579e166a0, 24 [pid 963] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 968] <... mkdirat resumed>) = 0 [pid 968] rmdir("./config/usb_gadget/g1" [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 970 [pid 969] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 969] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 968] <... rmdir resumed>) = 0 [pid 968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 968] exit_group(0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 971 [pid 968] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 968] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 969] setpgid(0, 0) = 0 [pid 969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 963] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 969] <... openat resumed>) = 3 [pid 969] write(3, "1000", 4) = 4 [pid 969] close(3) = 0 [pid 969] write(1, "executing program\n", 18) = 18 executing program [pid 969] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 969] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 963] exit_group(0 [pid 969] <... mkdirat resumed>) = 0 [pid 969] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 970 attached ) = 0 [pid 969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 969] exit_group(0) = ? [pid 969] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 970] set_robust_list(0x555579e166a0, 24) = 0 [pid 963] <... exit_group resumed>) = ? [pid 970] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 971 attached [pid 971] set_robust_list(0x555579e166a0, 24) = 0 [pid 971] rt_sigprocmask(SIG_SETMASK, [] [pid 970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 963] +++ exited with 0 +++ [pid 970] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 970] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 970] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 971] <... prctl resumed>) = 0 [pid 971] setpgid(0, 0) = 0 [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 972 [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 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 970] <... openat resumed>) = 3 [pid 971] <... openat resumed>) = 3 [pid 971] write(3, "1000", 4) = 4 [pid 970] write(3, "1000", 4 [pid 971] close(3 [pid 970] <... write resumed>) = 4 [pid 971] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 973 ci2-android-5-15/strace-static-x86_64: Process 973 attached ci2-android-5-15/strace-static-x86_64: Process 972 attached [pid 970] close(3 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 971] write(1, "executing program\n", 18 [pid 970] <... close resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 971] <... write resumed>) = 18 [pid 970] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 971] mkdirat(AT_FDCWD, "./config", 0777 [pid 970] <... write resumed>) = 18 [pid 971] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 970] mkdirat(AT_FDCWD, "./config", 0777 [pid 971] mount(NULL, "./config", "configfs", 0, NULL [pid 970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 971] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 970] mount(NULL, "./config", "configfs", 0, NULL [pid 971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 970] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 971] <... mkdirat resumed>) = 0 [pid 970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 971] rmdir("./config/usb_gadget/g1" [pid 970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 971] <... rmdir resumed>) = 0 [pid 970] rmdir("./config/usb_gadget/g1" [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 974 [pid 971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 970] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 971] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 971] exit_group(0 [pid 970] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 971] <... exit_group resumed>) = ? [pid 970] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 971] +++ exited with 0 +++ [pid 970] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 974 attached [pid 973] set_robust_list(0x555579e166a0, 24 [pid 972] set_robust_list(0x555579e166a0, 24 [pid 970] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 972] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 972] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 972] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 972] setpgid(0, 0) = 0 [pid 972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 974] set_robust_list(0x555579e166a0, 24 [pid 973] <... set_robust_list resumed>) = 0 [pid 972] <... openat resumed>) = 3 [pid 972] write(3, "1000", 4) = 4 [pid 972] close(3) = 0 [pid 972] write(1, "executing program\n", 18) = 18 [pid 972] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 972] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 974] <... set_robust_list resumed>) = 0 [pid 973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 973] setpgid(0, 0) = 0 [pid 972] <... mkdirat resumed>) = 0 [pid 973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 973] write(3, "1000", 4) = 4 [pid 973] close(3) = 0 [pid 973] write(1, "executing program\n", 18) = 18 [pid 973] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 973] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 972] rmdir("./config/usb_gadget/g1" [pid 973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 972] <... rmdir resumed>) = 0 [pid 973] rmdir("./config/usb_gadget/g1" [pid 972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 973] <... rmdir resumed>) = 0 [pid 973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 973] exit_group(0) = ? [pid 973] +++ exited with 0 +++ [pid 972] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 974] rt_sigprocmask(SIG_SETMASK, [] [pid 972] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 972] <... exit_group resumed>) = ? [pid 974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 974] setpgid(0, 0) = 0 [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 972] +++ exited with 0 +++ [pid 974] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 974] <... write resumed>) = 4 [pid 974] close(3) = 0 [pid 974] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 974] <... write resumed>) = 18 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 974] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 974] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [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 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 974] rmdir("./config/usb_gadget/g1") = 0 [pid 974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 974] exit_group(0) = ? [pid 974] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 976 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 977 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 975 ci2-android-5-15/strace-static-x86_64: Process 975 attached [pid 975] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 978 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 975] <... prctl resumed>) = 0 [pid 975] setpgid(0, 0) = 0 [pid 975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 976 attached [pid 976] set_robust_list(0x555579e166a0, 24 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 979 [pid 976] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 976] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] <... openat resumed>) = 3 [pid 976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 976] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 978 attached [pid 975] write(3, "1000", 4) = 4 [pid 975] close(3) = 0 [pid 976] <... prctl resumed>) = 0 [pid 976] setpgid(0, 0 [pid 975] write(1, "executing program\n", 18) = 18 [pid 976] <... setpgid resumed>) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 977 attached [pid 978] set_robust_list(0x555579e166a0, 24 [pid 976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 975] mkdirat(AT_FDCWD, "./config", 0777 [pid 977] set_robust_list(0x555579e166a0, 24 [pid 975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 978] <... set_robust_list resumed>) = 0 [pid 976] <... openat resumed>) = 3 [pid 977] <... set_robust_list resumed>) = 0 [pid 977] rt_sigprocmask(SIG_SETMASK, [] [pid 975] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 978] rt_sigprocmask(SIG_SETMASK, [] [pid 976] write(3, "1000", 4) = 4 [pid 976] close(3) = 0 [pid 975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 977] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 979 attached [pid 978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 976] write(1, "executing program\n", 18 [pid 975] <... mkdirat resumed>) = 0 [pid 977] setpgid(0, 0) = 0 [pid 977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 977] write(3, "1000", 4) = 4 [pid 977] close(3) = 0 [pid 977] write(1, "executing program\n", 18) = 18 [pid 977] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 977] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 975] rmdir("./config/usb_gadget/g1" executing program [pid 978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 979] set_robust_list(0x555579e166a0, 24 [pid 978] <... prctl resumed>) = 0 [pid 977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 976] <... write resumed>) = 18 [pid 975] <... rmdir resumed>) = 0 [pid 975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 975] exit_group(0) = ? [pid 978] setpgid(0, 0 [pid 975] +++ exited with 0 +++ [pid 979] <... set_robust_list resumed>) = 0 [pid 978] <... setpgid resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 979] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 979] setpgid(0, 0) = 0 [pid 979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 978] <... openat resumed>) = 3 [pid 979] write(3, "1000", 4) = 4 [pid 979] close(3) = 0 [pid 979] write(1, "executing program\n", 18) = 18 executing program [pid 979] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 979] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 978] write(3, "1000", 4 [pid 976] mkdirat(AT_FDCWD, "./config", 0777 [pid 978] <... write resumed>) = 4 [pid 979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 978] close(3 [pid 979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 977] <... mkdirat resumed>) = 0 [pid 976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 979] rmdir("./config/usb_gadget/g1") = 0 [pid 978] <... close resumed>) = 0 [pid 977] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 977] exit_group(0 [pid 979] exit_group(0 [pid 977] <... exit_group resumed>) = ? [pid 979] <... exit_group resumed>) = ? [pid 978] write(1, "executing program\n", 18 executing program [pid 976] mount(NULL, "./config", "configfs", 0, NULL [pid 978] <... write resumed>) = 18 [pid 977] +++ exited with 0 +++ [pid 976] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 979] +++ exited with 0 +++ [pid 978] mkdirat(AT_FDCWD, "./config", 0777 [pid 976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 978] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 978] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 976] <... mkdirat resumed>) = 0 [pid 976] rmdir("./config/usb_gadget/g1") = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 976] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 976] exit_group(0) = ? [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 980 [pid 976] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 981 ci2-android-5-15/strace-static-x86_64: Process 980 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 982 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 980] set_robust_list(0x555579e166a0, 24) = 0 [pid 980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 980] setpgid(0, 0) = 0 [pid 980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 982 attached ci2-android-5-15/strace-static-x86_64: Process 981 attached ) = 3 [pid 978] <... mkdirat resumed>) = 0 [pid 978] rmdir("./config/usb_gadget/g1" [pid 982] set_robust_list(0x555579e166a0, 24 [pid 981] set_robust_list(0x555579e166a0, 24 [pid 980] write(3, "1000", 4 [pid 978] <... rmdir resumed>) = 0 [pid 978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 978] exit_group(0) = ? [pid 982] <... set_robust_list resumed>) = 0 [pid 981] <... set_robust_list resumed>) = 0 [pid 980] <... write resumed>) = 4 [pid 978] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 982] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 981] rt_sigprocmask(SIG_SETMASK, [] [pid 980] close(3 [pid 982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 982] setpgid(0, 0) = 0 [pid 982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 980] <... close resumed>) = 0 [pid 982] <... openat resumed>) = 3 [pid 982] write(3, "1000", 4 [pid 981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 982] <... write resumed>) = 4 [pid 982] close(3) = 0 [pid 982] write(1, "executing program\n", 18) = 18 executing program [pid 982] mkdirat(AT_FDCWD, "./config", 0777 [pid 981] <... prctl resumed>) = 0 [pid 980] write(1, "executing program\n", 18 [pid 982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 981] setpgid(0, 0) = 0 [pid 981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 982] mount(NULL, "./config", "configfs", 0, NULL [pid 980] <... write resumed>) = 18 executing program [pid 982] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 980] mkdirat(AT_FDCWD, "./config", 0777 [pid 982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 981] <... openat resumed>) = 3 [pid 980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 981] write(3, "1000", 4) = 4 [pid 981] close(3) = 0 [pid 981] write(1, "executing program\n", 18) = 18 executing program [pid 981] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 981] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 980] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 982] <... mkdirat resumed>) = 0 [pid 982] rmdir("./config/usb_gadget/g1" [pid 980] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 982] <... rmdir resumed>) = 0 [pid 980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 980] <... mkdirat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 980] rmdir("./config/usb_gadget/g1" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 981] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 981] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 983 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 983 attached [pid 982] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 983] set_robust_list(0x555579e166a0, 24 [pid 982] exit_group(0 [pid 983] <... set_robust_list resumed>) = 0 [pid 982] <... exit_group resumed>) = ? [pid 983] rt_sigprocmask(SIG_SETMASK, [] [pid 982] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 983] setpgid(0, 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 984 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 983] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 981] <... rmdir resumed>) = 0 [pid 980] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 983] <... openat resumed>) = 3 [pid 981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 983] write(3, "1000", 4 [pid 980] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 983] <... write resumed>) = 4 [pid 980] exit_group(0 [pid 983] close(3 [pid 980] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 984 attached [pid 981] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 983] <... close resumed>) = 0 [pid 981] exit_group(0 [pid 980] +++ exited with 0 +++ [pid 984] set_robust_list(0x555579e166a0, 24 [pid 981] <... exit_group resumed>) = ? [pid 983] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 983] <... write resumed>) = 18 [pid 983] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 983] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 983] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 981] +++ exited with 0 +++ [pid 983] rmdir("./config/usb_gadget/g1") = 0 [pid 983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 983] exit_group(0) = ? [pid 983] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 984] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 984] setpgid(0, 0) = 0 [pid 984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 984] write(3, "1000", 4) = 4 [pid 984] close(3) = 0 [pid 984] write(1, "executing program\n", 18) = 18 executing program [pid 984] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 984] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 984] rmdir("./config/usb_gadget/g1") = 0 [pid 984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 984] exit_group(0) = ? [pid 984] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... 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 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 985 attached ci2-android-5-15/strace-static-x86_64: Process 986 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 985] set_robust_list(0x555579e166a0, 24 [pid 986] set_robust_list(0x555579e166a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 985 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 986 [pid 985] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 985] rt_sigprocmask(SIG_SETMASK, [] [pid 986] <... set_robust_list resumed>) = 0 [pid 985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 985] <... prctl resumed>) = 0 [pid 986] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 987 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 986] setpgid(0, 0) = 0 [pid 986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 988 [pid 985] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 989 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 985] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 989 attached ci2-android-5-15/strace-static-x86_64: Process 988 attached [pid 986] write(3, "1000", 4 [pid 985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 986] <... write resumed>) = 4 [pid 986] close(3 [pid 985] <... openat resumed>) = 3 [pid 989] set_robust_list(0x555579e166a0, 24 [pid 985] write(3, "1000", 4 [pid 989] <... set_robust_list resumed>) = 0 [pid 985] <... write resumed>) = 4 [pid 988] set_robust_list(0x555579e166a0, 24 [pid 985] close(3 [pid 986] <... close resumed>) = 0 [pid 985] <... close resumed>) = 0 [pid 989] rt_sigprocmask(SIG_SETMASK, [] [pid 988] <... set_robust_list resumed>) = 0 [pid 985] write(1, "executing program\n", 18 [pid 986] write(1, "executing program\n", 18 [pid 985] <... write resumed>) = 18 [pid 989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 986] <... write resumed>) = 18 [pid 986] mkdirat(AT_FDCWD, "./config", 0777 [pid 985] mkdirat(AT_FDCWD, "./config", 0777 [pid 989] prctl(PR_SET_PDEATHSIG, SIGKILL executing program executing program [pid 988] rt_sigprocmask(SIG_SETMASK, [] [pid 985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 989] <... prctl resumed>) = 0 [pid 988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 985] mount(NULL, "./config", "configfs", 0, NULL [pid 986] mount(NULL, "./config", "configfs", 0, NULL [pid 989] setpgid(0, 0 [pid 986] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 985] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 989] <... setpgid resumed>) = 0 [pid 988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 985] <... mkdirat resumed>) = 0 [pid 986] rmdir("./config/usb_gadget/g1") = 0 [pid 985] rmdir("./config/usb_gadget/g1" [pid 986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 986] exit_group(0) = ? [pid 986] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 985] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 987 attached [pid 989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 988] <... prctl resumed>) = 0 [pid 985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 987] set_robust_list(0x555579e166a0, 24 [pid 985] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 987] <... set_robust_list resumed>) = 0 [pid 987] rt_sigprocmask(SIG_SETMASK, [] [pid 985] exit_group(0 [pid 989] <... openat resumed>) = 3 [pid 987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 985] <... exit_group resumed>) = ? [pid 988] setpgid(0, 0 [pid 987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 987] setpgid(0, 0) = 0 [pid 987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 985] +++ exited with 0 +++ [pid 987] write(3, "1000", 4 [pid 989] write(3, "1000", 4 [pid 988] <... setpgid resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 987] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 989] <... write resumed>) = 4 [pid 988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 987] close(3 [pid 989] close(3 [pid 987] <... close resumed>) = 0 [pid 987] write(1, "executing program\n", 18) = 18 [pid 987] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 987] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 989] <... close resumed>) = 0 [pid 988] <... openat resumed>) = 3 [pid 987] <... mkdirat resumed>) = 0 [pid 987] rmdir("./config/usb_gadget/g1") = 0 [pid 987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 987] exit_group(0) = ? [pid 989] write(1, "executing program\n", 18 [pid 987] +++ exited with 0 +++ executing program [pid 988] write(3, "1000", 4 [pid 989] <... write resumed>) = 18 [pid 988] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 989] mkdirat(AT_FDCWD, "./config", 0777 [pid 988] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 988] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 990 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 990 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 989] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 988] write(1, "executing program\n", 18 [pid 989] <... mkdirat resumed>) = 0 [pid 989] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 989] exit_group(0) = ? [pid 989] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 988] <... write resumed>) = 18 [pid 990] set_robust_list(0x555579e166a0, 24 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 990] <... set_robust_list resumed>) = 0 [pid 988] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 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=989, 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 990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 990] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 990] <... setpgid resumed>) = 0 [pid 990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 991 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 992 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 988] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 990] write(3, "1000", 4) = 4 [pid 990] close(3) = 0 [pid 990] write(1, "executing program\n", 18) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 990] mkdirat(AT_FDCWD, "./config", 0777 [pid 988] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 993 [pid 990] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 990] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 988] <... mkdirat resumed>) = 0 [pid 990] rmdir("./config/usb_gadget/g1") = 0 [pid 990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 990] exit_group(0) = ? [pid 990] +++ exited with 0 +++ [pid 988] rmdir("./config/usb_gadget/g1" [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 988] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 991 attached [pid 991] set_robust_list(0x555579e166a0, 24) = 0 [pid 991] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 992 attached , NULL, 8) = 0 [pid 991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 992] set_robust_list(0x555579e166a0, 24) = 0 [pid 991] <... prctl resumed>) = 0 [pid 992] rt_sigprocmask(SIG_SETMASK, [] [pid 991] setpgid(0, 0) = 0 [pid 991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 991] <... openat resumed>) = 3 [pid 988] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 992] <... prctl resumed>) = 0 [pid 992] setpgid(0, 0 [pid 988] exit_group(0 [pid 992] <... setpgid resumed>) = 0 [pid 988] <... exit_group resumed>) = ? [pid 992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 991] write(3, "1000", 4 [pid 992] <... openat resumed>) = 3 [pid 991] <... write resumed>) = 4 [pid 992] write(3, "1000", 4 [pid 991] close(3 [pid 992] <... write resumed>) = 4 [pid 991] <... close resumed>) = 0 [pid 988] +++ exited with 0 +++ [pid 992] close(3 [pid 991] write(1, "executing program\n", 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 992] <... close resumed>) = 0 [pid 991] <... write resumed>) = 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 992] write(1, "executing program\n", 18 executing program [pid 991] mkdirat(AT_FDCWD, "./config", 0777 [pid 992] <... write resumed>) = 18 [pid 991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 992] mkdirat(AT_FDCWD, "./config", 0777 [pid 991] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 993 attached [pid 992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 991] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 992] mount(NULL, "./config", "configfs", 0, NULL [pid 991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 993] set_robust_list(0x555579e166a0, 24 [pid 992] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 991] <... mkdirat resumed>) = 0 [pid 992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 991] rmdir("./config/usb_gadget/g1" [pid 992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 991] <... rmdir resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 992] rmdir("./config/usb_gadget/g1" [pid 991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 992] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 991] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 991] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 992] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 991] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 993] <... set_robust_list resumed>) = 0 [pid 992] exit_group(0 [pid 991] +++ exited with 0 +++ [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 993] rt_sigprocmask(SIG_SETMASK, [] [pid 992] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 994 attached [pid 993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 992] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 994 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 994] set_robust_list(0x555579e166a0, 24) = 0 [pid 994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 994] setpgid(0, 0) = 0 [pid 994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 994] write(3, "1000", 4) = 4 [pid 994] close(3) = 0 [pid 994] write(1, "executing program\n", 18) = 18 executing program [pid 994] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 994] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 994] <... mkdirat resumed>) = 0 [pid 993] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 994] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 995 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 994] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 994] <... exit_group resumed>) = ? [pid 994] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 995 attached [pid 995] set_robust_list(0x555579e166a0, 24) = 0 [pid 995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 995] setpgid(0, 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 996 [pid 995] <... setpgid resumed>) = 0 [pid 995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 996 attached ) = 3 [pid 996] set_robust_list(0x555579e166a0, 24) = 0 [pid 996] rt_sigprocmask(SIG_SETMASK, [] [pid 995] write(3, "1000", 4 [pid 996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 995] <... write resumed>) = 4 [pid 996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 995] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 997 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 995] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 995] write(1, "executing program\n", 18 [pid 996] <... prctl resumed>) = 0 [pid 995] <... write resumed>) = 18 [pid 996] setpgid(0, 0) = 0 [pid 995] mkdirat(AT_FDCWD, "./config", 0777 [pid 996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 993] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 997 attached executing program [pid 995] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 995] mount(NULL, "./config", "configfs", 0, NULL [pid 996] <... openat resumed>) = 3 [pid 993] <... setpgid resumed>) = 0 [pid 997] set_robust_list(0x555579e166a0, 24 [pid 995] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 996] write(3, "1000", 4 [pid 995] <... mkdirat resumed>) = 0 [pid 993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 996] <... write resumed>) = 4 [pid 996] close(3) = 0 [pid 996] write(1, "executing program\n", 18) = 18 [pid 996] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 996] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 996] rmdir("./config/usb_gadget/g1" [pid 997] <... set_robust_list resumed>) = 0 [pid 996] <... rmdir resumed>) = 0 [pid 993] <... openat resumed>) = 3 [pid 995] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 995] exit_group(0) = ? [pid 997] rt_sigprocmask(SIG_SETMASK, [] [pid 995] +++ exited with 0 +++ [pid 993] write(3, "1000", 4 [pid 996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 993] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 998 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 998 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 996] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 993] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 996] exit_group(0 [pid 993] <... close resumed>) = 0 [pid 996] <... exit_group resumed>) = ? [pid 998] set_robust_list(0x555579e166a0, 24 [pid 997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 996] +++ exited with 0 +++ [pid 993] write(1, "executing program\n", 18 [pid 998] <... set_robust_list resumed>) = 0 [pid 998] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 993] <... write resumed>) = 18 executing program [pid 998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 998] setpgid(0, 0) = 0 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 30.614972][ T982] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.614972][ T982] 7) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 993] mkdirat(AT_FDCWD, "./config", 0777 [pid 998] <... openat resumed>) = 3 [pid 998] write(3, "1000", 4 [pid 993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 998] <... write resumed>) = 4 [pid 998] close(3) = 0 [pid 998] write(1, "executing program\n", 18) = 18 executing program [pid 998] mkdirat(AT_FDCWD, "./config", 0777 [pid 997] <... prctl resumed>) = 0 [pid 993] mount(NULL, "./config", "configfs", 0, NULL [pid 998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 998] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 993] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 998] rmdir("./config/usb_gadget/g1") = 0 [pid 998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 998] exit_group(0) = ? [pid 993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 998] +++ exited with 0 +++ [pid 993] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 997] setpgid(0, 0) = 0 [pid 997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 993] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 997] <... openat resumed>) = 3 [pid 997] write(3, "1000", 4) = 4 [pid 997] close(3) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 997] write(1, "executing program\n", 18) = 18 [pid 997] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 997] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 993] <... rmdir resumed>) = 0 [pid 997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 997] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 999 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 999 attached , [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 999] set_robust_list(0x555579e166a0, 24) = 0 [pid 999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 999] setpgid(0, 0) = 0 [pid 999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 999] write(3, "1000", 4) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1000 [pid 999] close(3) = 0 [pid 999] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 999] <... write resumed>) = 18 executing program [pid 999] mkdirat(AT_FDCWD, "./config", 0777 [pid 997] <... rmdir resumed>) = 0 [pid 993] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 997] exit_group(0) = ? [pid 997] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 993] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 993] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1001 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 993] +++ exited with 0 +++ [pid 999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 999] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 999] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 999] rmdir("./config/usb_gadget/g1") = 0 [pid 999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 999] exit_group(0) = ? [pid 999] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1000 attached [pid 1000] set_robust_list(0x555579e166a0, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1000] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1000] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1001 attached [pid 1001] set_robust_list(0x555579e166a0, 24) = 0 [pid 1001] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] <... prctl resumed>) = 0 [pid 1001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1001] setpgid(0, 0) = 0 [pid 1001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1000] setpgid(0, 0) = 0 [pid 1001] <... openat resumed>) = 3 [pid 1001] write(3, "1000", 4) = 4 [pid 1001] close(3) = 0 [pid 1001] write(1, "executing program\n", 18) = 18 executing program [pid 1001] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 1001] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1001] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1002 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] <... openat resumed>) = 3 [pid 1001] <... rmdir resumed>) = 0 [pid 1001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1000] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1000] <... write resumed>) = 4 [pid 1000] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1000] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1001] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1000] write(1, "executing program\n", 18) = 18 [pid 1000] mkdirat(AT_FDCWD, "./config", 0777 [pid 1001] <... exit_group resumed>) = ? [pid 1000] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1001] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1003 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1000] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1000] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1000] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1004 ci2-android-5-15/strace-static-x86_64: Process 1004 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1000] exit_group(0) = ? [pid 1000] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1005 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1003 attached [pid 1004] set_robust_list(0x555579e166a0, 24) = 0 [pid 1004] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1002 attached executing program [pid 1002] set_robust_list(0x555579e166a0, 24 [pid 1004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1002] <... set_robust_list resumed>) = 0 [pid 1002] rt_sigprocmask(SIG_SETMASK, [] [pid 1004] <... prctl resumed>) = 0 [pid 1004] setpgid(0, 0) = 0 [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1002] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1002] setpgid(0, 0 [pid 1004] <... openat resumed>) = 3 [pid 1002] <... setpgid resumed>) = 0 [pid 1002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1004] write(3, "1000", 4) = 4 ci2-android-5-15/strace-static-x86_64: Process 1005 attached [pid 1003] set_robust_list(0x555579e166a0, 24 [pid 1004] close(3) = 0 [pid 1004] write(1, "executing program\n", 18) = 18 [pid 1004] mkdirat(AT_FDCWD, "./config", 0777 [pid 1002] write(3, "1000", 4) = 4 [pid 1004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1002] close(3) = 0 [pid 1004] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1002] write(1, "executing program\n", 18) = 18 executing program [pid 1003] <... set_robust_list resumed>) = 0 [pid 1002] mkdirat(AT_FDCWD, "./config", 0777 [pid 1004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1004] <... mkdirat resumed>) = 0 [pid 1002] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1002] rmdir("./config/usb_gadget/g1" [pid 1004] rmdir("./config/usb_gadget/g1" [pid 1005] set_robust_list(0x555579e166a0, 24) = 0 [pid 1005] rt_sigprocmask(SIG_SETMASK, [] [pid 1002] <... rmdir resumed>) = 0 [pid 1004] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1004] exit_group(0 [pid 1002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1004] <... exit_group resumed>) = ? [pid 1004] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1002] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1002] <... exit_group resumed>) = ? [pid 1005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1003] rt_sigprocmask(SIG_SETMASK, [] [pid 1002] +++ exited with 0 +++ [pid 1005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1005] <... prctl resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1005] setpgid(0, 0) = 0 [pid 1005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1005] <... openat resumed>) = 3 [pid 1005] write(3, "1000", 4) = 4 [pid 1005] close(3) = 0 [pid 1005] write(1, "executing program\n", 18) = 18 executing program [pid 1005] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1005] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1005] rmdir("./config/usb_gadget/g1") = 0 [pid 1005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1005] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1005] exit_group(0) = ? [pid 1005] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] 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 1003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... restart_syscall resumed>) = 0 [pid 1003] <... prctl resumed>) = 0 [pid 1003] setpgid(0, 0) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1003] <... openat resumed>) = 3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1007 attached ci2-android-5-15/strace-static-x86_64: Process 1008 attached [pid 1003] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1006 [pid 1003] <... write resumed>) = 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1008 [pid 1003] close(3 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1003] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1003] write(1, "executing program\n", 18) = 18 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1007 [pid 305] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1003] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1003] mount(NULL, "./config", "configfs", 0, NULL [pid 1008] set_robust_list(0x555579e166a0, 24 [pid 1007] set_robust_list(0x555579e166a0, 24 [pid 1003] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1003] rmdir("./config/usb_gadget/g1") = 0 [pid 1003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1003] exit_group(0) = ? [pid 1003] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1006 attached [pid 1006] set_robust_list(0x555579e166a0, 24) = 0 [pid 1006] rt_sigprocmask(SIG_SETMASK, [] [pid 1007] <... set_robust_list resumed>) = 0 [pid 1008] <... set_robust_list resumed>) = 0 [pid 1006] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1006] setpgid(0, 0) = 0 [pid 1006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1006] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1006] <... write resumed>) = 4 [pid 1006] close(3) = 0 [pid 1006] write(1, "executing program\n", 18) = 18 executing program [pid 1006] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1006] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1007] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 1006] <... mkdirat resumed>) = 0 [pid 1006] rmdir("./config/usb_gadget/g1") = 0 [pid 1006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1006] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1006] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1008] setpgid(0, 0) = 0 [pid 1008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1008] write(3, "1000", 4) = 4 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1008] close(3) = 0 [pid 1008] write(1, "executing program\n", 18) = 18 [pid 1008] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1008] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1009 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1008] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1008] <... mkdirat resumed>) = 0 [pid 1008] rmdir("./config/usb_gadget/g1" [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1010 ci2-android-5-15/strace-static-x86_64: Process 1009 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1008] <... rmdir resumed>) = 0 [pid 1008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1008] exit_group(0) = ? [pid 1008] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1009] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1009] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1009] setpgid(0, 0) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1010 attached ) = 3 [pid 1010] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1011 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1010] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1009] write(3, "1000", 4) = 4 [pid 1009] close(3 [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1009] <... close resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1010] <... prctl resumed>) = 0 [pid 1009] write(1, "executing program\n", 18 [pid 1010] setpgid(0, 0 [pid 1009] <... write resumed>) = 18 [pid 1010] <... setpgid resumed>) = 0 [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1009] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1012 executing program [pid 1009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1009] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1007] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1012 attached [pid 1010] <... openat resumed>) = 3 [pid 1007] setpgid(0, 0 [pid 1009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1007] <... setpgid resumed>) = 0 executing program [pid 1012] set_robust_list(0x555579e166a0, 24 [pid 1010] write(3, "1000", 4) = 4 [pid 1010] close(3) = 0 [pid 1010] write(1, "executing program\n", 18) = 18 [pid 1010] mkdirat(AT_FDCWD, "./config", 0777 [pid 1009] <... mkdirat resumed>) = 0 [pid 1007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1010] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1010] rmdir("./config/usb_gadget/g1") = 0 [pid 1009] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1009] exit_group(0) = ? [pid 1012] <... set_robust_list resumed>) = 0 [pid 1009] +++ exited with 0 +++ [pid 1007] <... openat resumed>) = 3 [pid 1010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1007] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1010] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1007] <... write resumed>) = 4 [pid 1010] exit_group(0) = ? [pid 1012] rt_sigprocmask(SIG_SETMASK, [] [pid 1010] +++ exited with 0 +++ [pid 1007] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1007] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1011 attached [pid 1007] write(1, "executing program\n", 18 [pid 1011] set_robust_list(0x555579e166a0, 24) = 0 [pid 1011] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1007] <... write resumed>) = 18 [pid 1011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1011] setpgid(0, 0) = 0 [pid 1011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1007] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1007] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 1007] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1011] <... openat resumed>) = 3 [pid 1011] write(3, "1000", 4) = 4 [pid 1011] close(3) = 0 [pid 1007] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1011] write(1, "executing program\n", 18) = 18 [pid 1011] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1011] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 1011] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1013 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1007] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1013 attached [pid 1012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1011] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1007] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1012] <... prctl resumed>) = 0 [pid 1011] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1012] setpgid(0, 0) = 0 [pid 1012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1014 [pid 1007] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1013] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1007] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1014 attached [pid 1013] <... set_robust_list resumed>) = 0 [pid 1007] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] exit_group(0 [pid 1012] <... openat resumed>) = 3 [pid 1007] +++ exited with 0 +++ [pid 1013] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] set_robust_list(0x555579e166a0, 24 [pid 1013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] <... exit_group resumed>) = ? [pid 1014] <... set_robust_list resumed>) = 0 [pid 1013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1011] +++ exited with 0 +++ [pid 1012] write(3, "1000", 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1013] <... prctl resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1013] setpgid(0, 0 [pid 1012] <... write resumed>) = 4 [pid 1012] close(3) = 0 [pid 1012] write(1, "executing program\n", 18 [pid 1013] <... setpgid resumed>) = 0 [pid 1012] <... write resumed>) = 18 executing program [pid 1012] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1012] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1012] <... mkdirat resumed>) = 0 [pid 1012] rmdir("./config/usb_gadget/g1") = 0 [pid 1012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1012] exit_group(0) = ? [pid 1013] <... openat resumed>) = 3 [pid 1012] +++ exited with 0 +++ [pid 1014] rt_sigprocmask(SIG_SETMASK, [] [pid 1013] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1013] <... write resumed>) = 4 [pid 1014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1014] setpgid(0, 0) = 0 [pid 1014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1013] close(3 [pid 1014] <... openat resumed>) = 3 [pid 1013] <... close resumed>) = 0 executing program [pid 1014] write(3, "1000", 4) = 4 [pid 1014] close(3) = 0 [pid 1014] write(1, "executing program\n", 18) = 18 [pid 1014] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1014] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1013] write(1, "executing program\n", 18 executing program [pid 1014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1013] <... write resumed>) = 18 [pid 1014] <... mkdirat resumed>) = 0 [pid 1014] rmdir("./config/usb_gadget/g1") = 0 [pid 1014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1014] exit_group(0) = ? [pid 1013] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1013] mount(NULL, "./config", "configfs", 0, NULL [pid 1014] +++ exited with 0 +++ [pid 1013] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1013] <... mkdirat resumed>) = 0 [pid 1013] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... 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 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1015 ci2-android-5-15/strace-static-x86_64: Process 1016 attached [pid 1013] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1016 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1013] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1015 attached [pid 1015] set_robust_list(0x555579e166a0, 24) = 0 [pid 1015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1013] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1017 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1015] <... prctl resumed>) = 0 [pid 1015] setpgid(0, 0) = 0 [pid 1015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1018 [pid 1013] <... exit_group resumed>) = ? [pid 1015] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1015] <... write resumed>) = 4 [pid 1015] close(3) = 0 [pid 1015] write(1, "executing program\n", 18) = 18 [pid 1015] mkdirat(AT_FDCWD, "./config", 0777 [pid 1013] +++ exited with 0 +++ [pid 1015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1015] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1016] set_robust_list(0x555579e166a0, 24) = 0 [pid 1015] <... mkdirat resumed>) = 0 [pid 1015] rmdir("./config/usb_gadget/g1") = 0 [pid 1015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1015] exit_group(0) = ? [pid 1015] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1017 attached [pid 1017] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1017] setpgid(0, 0) = 0 [pid 1017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1016] rt_sigprocmask(SIG_SETMASK, [] [pid 1017] <... openat resumed>) = 3 [pid 1017] write(3, "1000", 4) = 4 [pid 1017] close(3) = 0 [pid 1017] write(1, "executing program\n", 18) = 18 executing program [pid 1017] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1017] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 1018 attached [pid 1018] set_robust_list(0x555579e166a0, 24) = 0 [pid 1018] rt_sigprocmask(SIG_SETMASK, [] [pid 1017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1017] <... mkdirat resumed>) = 0 [pid 1018] <... prctl resumed>) = 0 [pid 1018] setpgid(0, 0) = 0 [pid 1018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1018] write(3, "1000", 4) = 4 [pid 1018] close(3) = 0 [pid 1018] write(1, "executing program\n", 18) = 18 [pid 1018] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1017] rmdir("./config/usb_gadget/g1" [pid 1016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1018] mount(NULL, "./config", "configfs", 0, NULL [pid 1016] <... prctl resumed>) = 0 [pid 1016] setpgid(0, 0 [pid 1018] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1017] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1017] exit_group(0 [pid 1018] <... mkdirat resumed>) = 0 [pid 1017] <... exit_group resumed>) = ? [pid 1018] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1017] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1018] <... rmdir resumed>) = 0 [pid 1018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1018] exit_group(0) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1019 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1016] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1018] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1019 attached [pid 1019] set_robust_list(0x555579e166a0, 24) = 0 [pid 1019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1020 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1018, 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 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1016] <... openat resumed>) = 3 [pid 1019] <... prctl resumed>) = 0 [pid 1019] setpgid(0, 0) = 0 [pid 1019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1021 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1016] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1016] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1016] close(3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1019] write(3, "1000", 4) = 4 [pid 1019] close(3) = 0 [pid 1019] write(1, "executing program\n", 18) = 18 [pid 1019] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1016] <... close resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1022 [pid 1019] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1016] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1016] <... write resumed>) = 18 [pid 1019] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1016] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1022 attached [pid 1016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1019] <... mkdirat resumed>) = 0 [pid 1019] rmdir("./config/usb_gadget/g1" [pid 1016] mount(NULL, "./config", "configfs", 0, NULL [pid 1019] <... rmdir resumed>) = 0 [pid 1019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1019] exit_group(0) = ? [pid 1019] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1020 attached [pid 1020] set_robust_list(0x555579e166a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1016] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1020] <... set_robust_list resumed>) = 0 [pid 1016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1020] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1021 attached [pid 1021] set_robust_list(0x555579e166a0, 24 [pid 1020] <... prctl resumed>) = 0 [pid 1020] setpgid(0, 0) = 0 [pid 1021] <... set_robust_list resumed>) = 0 executing program [pid 1021] rt_sigprocmask(SIG_SETMASK, [] [pid 1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1020] <... openat resumed>) = 3 [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1021] setpgid(0, 0) = 0 [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1020] write(3, "1000", 4) = 4 [pid 1020] close(3) = 0 [pid 1020] write(1, "executing program\n", 18 [pid 1021] <... openat resumed>) = 3 [pid 1020] <... write resumed>) = 18 [pid 1020] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1020] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1021] write(3, "1000", 4) = 4 [pid 1016] <... mkdirat resumed>) = 0 [pid 1021] close(3) = 0 [pid 1020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1021] write(1, "executing program\n", 18) = 18 executing program [pid 1020] rmdir("./config/usb_gadget/g1" [pid 1021] mkdirat(AT_FDCWD, "./config", 0777 [pid 1016] rmdir("./config/usb_gadget/g1" [pid 1022] set_robust_list(0x555579e166a0, 24 [pid 1021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1021] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1020] <... rmdir resumed>) = 0 [pid 1021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1020] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1021] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1021] rmdir("./config/usb_gadget/g1" [pid 1022] <... set_robust_list resumed>) = 0 [pid 1021] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1020] +++ exited with 0 +++ [pid 1021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1023 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1021] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1021] exit_group(0) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1016] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1021] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1023 attached [pid 1023] set_robust_list(0x555579e166a0, 24) = 0 [pid 1023] rt_sigprocmask(SIG_SETMASK, [] [pid 1022] rt_sigprocmask(SIG_SETMASK, [] [pid 1016] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1024 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1024 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1016] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1016] <... exit_group resumed>) = ? [pid 1024] set_robust_list(0x555579e166a0, 24) = 0 [pid 1024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1024] setpgid(0, 0) = 0 [pid 1016] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1024] write(3, "1000", 4) = 4 [pid 1022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1024] close(3) = 0 [pid 1024] write(1, "executing program\n", 18) = 18 executing program [pid 1024] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1024] mount(NULL, "./config", "configfs", 0, NULL [pid 1023] <... prctl resumed>) = 0 [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1024] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1023] setpgid(0, 0 [pid 1022] <... prctl resumed>) = 0 [pid 1024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1023] <... setpgid resumed>) = 0 [pid 1022] setpgid(0, 0 [pid 1024] <... mkdirat resumed>) = 0 [pid 1024] rmdir("./config/usb_gadget/g1" [pid 1022] <... setpgid resumed>) = 0 [pid 1024] <... rmdir resumed>) = 0 [pid 1024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1024] exit_group(0) = ? [pid 1024] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1023] <... openat resumed>) = 3 [pid 1022] write(3, "1000", 4 [pid 1023] write(3, "1000", 4 [pid 1022] <... write resumed>) = 4 [pid 1023] <... write resumed>) = 4 [pid 1022] close(3 [pid 1023] close(3 [pid 1022] <... close resumed>) = 0 [pid 1022] write(1, "executing program\n", 18 [pid 1023] <... close resumed>) = 0 [pid 1023] write(1, "executing program\n", 18 executing program executing program [pid 1022] <... write resumed>) = 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 1022] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1023] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1023] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1025 [pid 1023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1025 attached [pid 1025] set_robust_list(0x555579e166a0, 24) = 0 [pid 1025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1025] setpgid(0, 0) = 0 [pid 1025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1025] write(3, "1000", 4) = 4 [pid 1025] close(3) = 0 [pid 1025] write(1, "executing program\n", 18) = 18 executing program [pid 1025] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1025] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1025] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 1025] <... rmdir resumed>) = 0 [pid 1025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1025] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1025] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1023] mount(NULL, "./config", "configfs", 0, NULL [pid 1022] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1025, 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 304] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1023] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1022] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1026 ci2-android-5-15/strace-static-x86_64: Process 1026 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1026] set_robust_list(0x555579e166a0, 24) = 0 [pid 1026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1027 [pid 1026] setpgid(0, 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1026] <... setpgid resumed>) = 0 [pid 1026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1026] write(3, "1000", 4) = 4 [pid 1026] close(3) = 0 [pid 1026] write(1, "executing program\n", 18) = 18 [pid 1026] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1026] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1027 attached [pid 1027] set_robust_list(0x555579e166a0, 24) = 0 [pid 1027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1027] setpgid(0, 0 [pid 1022] <... mkdirat resumed>) = 0 [pid 1023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1022] rmdir("./config/usb_gadget/g1" [pid 1023] rmdir("./config/usb_gadget/g1" [pid 1027] <... setpgid resumed>) = 0 [pid 1027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1027] write(3, "1000", 4) = 4 [pid 1027] close(3) = 0 [pid 1027] write(1, "executing program\n", 18) = 18 [pid 1027] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1027] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1022] <... rmdir resumed>) = 0 [pid 1022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1022] exit_group(0) = ? [pid 1026] <... mkdirat resumed>) = 0 [pid 1026] rmdir("./config/usb_gadget/g1") = 0 [pid 1026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1026] exit_group(0) = ? [pid 1026] +++ exited with 0 +++ [pid 1023] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1023] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1023] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1022] +++ exited with 0 +++ [pid 1023] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [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 1023] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1028 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1027] <... mkdirat resumed>) = 0 [pid 1027] rmdir("./config/usb_gadget/g1") = 0 [pid 1027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1027] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1028 attached [pid 1027] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 1028] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1028] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1029 [pid 1028] <... prctl resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1028] setpgid(0, 0) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1029 attached [pid 304] <... 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 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1030 attached [pid 1029] set_robust_list(0x555579e166a0, 24 [pid 1028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1030 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1031 ci2-android-5-15/strace-static-x86_64: Process 1032 attached ci2-android-5-15/strace-static-x86_64: Process 1031 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1032 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1032] set_robust_list(0x555579e166a0, 24 [pid 1031] set_robust_list(0x555579e166a0, 24 [pid 1030] set_robust_list(0x555579e166a0, 24 [pid 1029] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1032] <... set_robust_list resumed>) = 0 [pid 1031] <... set_robust_list resumed>) = 0 [pid 1030] <... set_robust_list resumed>) = 0 [pid 1028] <... openat resumed>) = 3 [pid 1029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1029] <... prctl resumed>) = 0 [pid 1029] setpgid(0, 0) = 0 [pid 1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1032] rt_sigprocmask(SIG_SETMASK, [] [pid 1029] <... openat resumed>) = 3 [pid 1028] write(3, "1000", 4 [pid 1029] write(3, "1000", 4) = 4 [pid 1029] close(3) = 0 [pid 1029] write(1, "executing program\n", 18) = 18 [pid 1029] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1032] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1029] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1029] rmdir("./config/usb_gadget/g1") = 0 [pid 1029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1029] exit_group(0) = ? [pid 1029] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1030] rt_sigprocmask(SIG_SETMASK, [] [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1030] setpgid(0, 0) = 0 [pid 1030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1032] <... prctl resumed>) = 0 [pid 1028] <... write resumed>) = 4 [pid 1030] <... openat resumed>) = 3 [pid 1030] write(3, "1000", 4) = 4 [pid 1030] close(3) = 0 [pid 1030] write(1, "executing program\n", 18) = 18 [pid 1030] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1030] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1032] setpgid(0, 0 [pid 1028] close(3 [pid 1030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1028] <... close resumed>) = 0 [pid 1032] <... setpgid resumed>) = 0 [pid 1030] <... mkdirat resumed>) = 0 [pid 1030] rmdir("./config/usb_gadget/g1") = 0 [pid 1030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1030] exit_group(0) = ? [pid 1030] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1031] setpgid(0, 0) = 0 [pid 1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1031] write(3, "1000", 4) = 4 [pid 1031] close(3) = 0 [pid 1031] write(1, "executing program\n", 18) = 18 executing program [pid 1031] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1031] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1028] write(1, "executing program\n", 18 executing program [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1028] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 1028] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1032] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1032] write(3, "1000", 4 [pid 1028] mount(NULL, "./config", "configfs", 0, NULL [pid 1032] <... write resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1033 [pid 1032] close(3 [pid 1028] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1033 attached [pid 1028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1032] <... close resumed>) = 0 [pid 1033] set_robust_list(0x555579e166a0, 24) = 0 [pid 1033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1032] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 1032] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1034 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1033] <... prctl resumed>) = 0 [pid 1033] setpgid(0, 0) = 0 [pid 1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1032] mkdirat(AT_FDCWD, "./config", 0777 [pid 1033] write(3, "1000", 4) = 4 [pid 1033] close(3) = 0 [pid 1033] write(1, "executing program\n", 18) = 18 executing program [pid 1033] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1033] mount(NULL, "./config", "configfs", 0, NULL [pid 1032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1032] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1033] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1034 attached [pid 1034] set_robust_list(0x555579e166a0, 24) = 0 [pid 1034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1028] rmdir("./config/usb_gadget/g1" [pid 1032] rmdir("./config/usb_gadget/g1" [pid 1034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1034] setpgid(0, 0) = 0 [pid 1034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1028] <... rmdir resumed>) = 0 [pid 1028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1033] <... mkdirat resumed>) = 0 [pid 1033] rmdir("./config/usb_gadget/g1" [pid 1034] <... openat resumed>) = 3 [pid 1034] write(3, "1000", 4) = 4 [pid 1034] close(3) = 0 [pid 1034] write(1, "executing program\n", 18) = 18 [pid 1034] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1034] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1031] <... mkdirat resumed>) = 0 executing program [pid 1031] rmdir("./config/usb_gadget/g1" [pid 1028] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1033] <... rmdir resumed>) = 0 [pid 1028] exit_group(0) = ? [pid 1028] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1028, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1033] exit_group(0 [pid 1034] <... mkdirat resumed>) = 0 [pid 1033] <... exit_group resumed>) = ? [pid 1032] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1031] <... rmdir resumed>) = 0 [pid 1032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1032] exit_group(0) = ? [pid 1031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1034] rmdir("./config/usb_gadget/g1" [pid 1032] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1031] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1031] exit_group(0 [pid 1034] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1031] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1035 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1035 attached [pid 1035] set_robust_list(0x555579e166a0, 24 [pid 1031] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1034] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1033] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1035] <... set_robust_list resumed>) = 0 [pid 1035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1034] exit_group(0 [pid 1035] <... prctl resumed>) = 0 [pid 1035] setpgid(0, 0) = 0 [pid 1035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1034] <... exit_group resumed>) = ? [pid 1035] <... openat resumed>) = 3 [pid 1035] write(3, "1000", 4 [pid 1034] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1035] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1035] close(3) = 0 [pid 1035] write(1, "executing program\n", 18) = 18 executing program [pid 1035] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1035] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1035] rmdir("./config/usb_gadget/g1") = 0 [pid 1035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1035] exit_group(0) = ? [pid 1035] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1036 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1037 ci2-android-5-15/strace-static-x86_64: Process 1037 attached [pid 1037] set_robust_list(0x555579e166a0, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1036 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1037] <... set_robust_list resumed>) = 0 [pid 1036] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1036] <... set_robust_list resumed>) = 0 [pid 1036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1036] setpgid(0, 0) = 0 [pid 1036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1037] rt_sigprocmask(SIG_SETMASK, [] [pid 1036] write(3, "1000", 4) = 4 [pid 1036] close(3) = 0 [pid 1036] write(1, "executing program\n", 18) = 18 [pid 1036] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1036] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1036] <... mkdirat resumed>) = 0 [pid 1036] rmdir("./config/usb_gadget/g1" [pid 1037] <... prctl resumed>) = 0 [pid 1037] setpgid(0, 0) = 0 [pid 1037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1038 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1038 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1039 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1038] set_robust_list(0x555579e166a0, 24 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1039 attached , NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1040 attached [pid 1039] set_robust_list(0x555579e166a0, 24 [pid 1038] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1040 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1036] <... rmdir resumed>) = 0 [pid 1036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1037] write(3, "1000", 4) = 4 [pid 1037] close(3 [pid 1036] exit_group(0 [pid 1037] <... close resumed>) = 0 [pid 1038] rt_sigprocmask(SIG_SETMASK, [] [pid 1037] write(1, "executing program\n", 18) = 18 executing program [pid 1037] mkdirat(AT_FDCWD, "./config", 0777 [pid 1036] <... exit_group resumed>) = ? [pid 1037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1039] <... set_robust_list resumed>) = 0 [pid 1037] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1037] <... mkdirat resumed>) = 0 [pid 1036] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1037] rmdir("./config/usb_gadget/g1") = 0 [pid 1037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1037] exit_group(0) = ? [pid 1037] +++ exited with 0 +++ [pid 1040] set_robust_list(0x555579e166a0, 24) = 0 [pid 1040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1040] setpgid(0, 0) = 0 [pid 1040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1038] setpgid(0, 0 [pid 1040] <... openat resumed>) = 3 [pid 1040] write(3, "1000", 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1039] rt_sigprocmask(SIG_SETMASK, [] [pid 1038] <... setpgid resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1041 [pid 1038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1040] <... write resumed>) = 4 [pid 1038] <... openat resumed>) = 3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1040] close(3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1038] write(3, "1000", 4 [pid 1040] <... close resumed>) = 0 [pid 1040] write(1, "executing program\n", 18) = 18 [pid 1040] mkdirat(AT_FDCWD, "./config", 0777 [pid 1038] <... write resumed>) = 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1042 [pid 1040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1038] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1040] mount(NULL, "./config", "configfs", 0, NULL [pid 1038] <... close resumed>) = 0 [pid 1038] write(1, "executing program\n", 18 [pid 1040] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1038] <... write resumed>) = 18 executing program [pid 1040] <... mkdirat resumed>) = 0 [pid 1040] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1042 attached [pid 1038] mkdirat(AT_FDCWD, "./config", 0777 [pid 1040] <... rmdir resumed>) = 0 [pid 1040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1040] exit_group(0) = ? [pid 1038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1040] +++ exited with 0 +++ [pid 1039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1038] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1042] set_robust_list(0x555579e166a0, 24) = 0 [pid 1038] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1042] setpgid(0, 0) = 0 [pid 1042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1042] <... openat resumed>) = 3 [pid 1042] write(3, "1000", 4) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1038] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1043 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1042] close(3) = 0 [pid 1042] write(1, "executing program\n", 18) = 18 executing program [pid 1038] rmdir("./config/usb_gadget/g1" [pid 1042] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1042] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1042] rmdir("./config/usb_gadget/g1" [pid 1039] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1041 attached [pid 1038] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1038] exit_group(0) = ? [pid 1039] setpgid(0, 0 [pid 1038] +++ exited with 0 +++ [pid 1039] <... setpgid resumed>) = 0 [pid 1042] <... rmdir resumed>) = 0 [pid 1042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1042] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1042] exit_group(0) = ? [pid 1039] <... openat resumed>) = 3 [pid 1039] write(3, "1000", 4 [pid 1041] set_robust_list(0x555579e166a0, 24 [pid 1039] <... write resumed>) = 4 [pid 1041] <... set_robust_list resumed>) = 0 [pid 1042] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1043 attached [pid 1043] set_robust_list(0x555579e166a0, 24) = 0 [pid 1043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1039] close(3 [pid 1043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1043] setpgid(0, 0) = 0 [pid 1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1039] <... close resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1039] write(1, "executing program\n", 18 [pid 1043] <... openat resumed>) = 3 [pid 1039] <... write resumed>) = 18 [pid 1043] write(3, "1000", 4) = 4 [pid 1043] close(3) = 0 [pid 1043] write(1, "executing program\n", 18) = 18 executing program executing program [pid 1039] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1041] rt_sigprocmask(SIG_SETMASK, [] [pid 1039] mount(NULL, "./config", "configfs", 0, NULL [pid 1043] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1043] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1039] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... restart_syscall resumed>) = 0 [pid 1039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1043] <... mkdirat resumed>) = 0 [pid 1043] rmdir("./config/usb_gadget/g1" [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1043] <... rmdir resumed>) = 0 [pid 1043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1043] exit_group(0) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1043] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1044 [pid 1041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1041] setpgid(0, 0) = 0 [pid 1041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1039] <... mkdirat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1041] <... openat resumed>) = 3 [pid 1041] write(3, "1000", 4) = 4 [pid 1041] close(3) = 0 [pid 1041] write(1, "executing program\n", 18) = 18 [pid 1041] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1041] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1041] rmdir("./config/usb_gadget/g1" [pid 1039] rmdir("./config/usb_gadget/g1") = 0 [pid 1041] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1041] exit_group(0) = ? [pid 1039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) executing program [pid 307] <... 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 1039] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1045 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1045 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] set_robust_list(0x555579e166a0, 24 [pid 1039] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1044 attached [pid 1044] set_robust_list(0x555579e166a0, 24) = 0 [pid 1045] <... set_robust_list resumed>) = 0 [pid 1039] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1044] setpgid(0, 0) = 0 [pid 1044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1044] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1044] <... write resumed>) = 4 [pid 1044] close(3) = 0 [pid 1044] write(1, "executing program\n", 18) = 18 [pid 1044] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1044] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1044] <... mkdirat resumed>) = 0 [pid 1044] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1046 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1047 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1044] <... rmdir resumed>) = 0 [pid 1044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1044] exit_group(0) = ? [pid 1044] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1047 attached [pid 1047] set_robust_list(0x555579e166a0, 24) = 0 [pid 1047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1047] setpgid(0, 0) = 0 [pid 1047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1047] write(3, "1000", 4) = 4 [pid 1047] close(3) = 0 [pid 1047] write(1, "executing program\n", 18) = 18 executing program [pid 1047] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1047] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1047] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall 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 305] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1048 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1047] <... rmdir resumed>) = 0 [pid 1047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1047] exit_group(0) = ? [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1049 ci2-android-5-15/strace-static-x86_64: Process 1046 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1046] set_robust_list(0x555579e166a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] <... set_robust_list resumed>) = 0 [ 30.817289][ T1028] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.817289][ T1028] 7) [pid 1046] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1049 attached [pid 1046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1046] setpgid(0, 0) = 0 [pid 1046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] write(3, "1000", 4 [pid 1045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1049] set_robust_list(0x555579e166a0, 24 [pid 1047] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1048 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1048] set_robust_list(0x555579e166a0, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1048] <... set_robust_list resumed>) = 0 [pid 1048] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] <... prctl resumed>) = 0 [pid 1048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1048] setpgid(0, 0) = 0 [pid 1048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1049] <... set_robust_list resumed>) = 0 [pid 1045] setpgid(0, 0) = 0 [pid 1048] <... openat resumed>) = 3 [pid 1048] write(3, "1000", 4) = 4 [pid 1048] close(3) = 0 [pid 1048] write(1, "executing program\n", 18) = 18 executing program [pid 1048] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1048] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1046] <... write resumed>) = 4 [pid 1045] <... openat resumed>) = 3 [pid 1048] <... mkdirat resumed>) = 0 [pid 1048] rmdir("./config/usb_gadget/g1") = 0 [pid 1048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1048] exit_group(0) = ? [pid 308] <... 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 1048] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1050 [pid 1049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1049] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1049] setpgid(0, 0 [pid 1045] write(3, "1000", 4 [pid 1049] <... setpgid resumed>) = 0 [pid 1049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1049] write(3, "1000", 4) = 4 [pid 1049] close(3) = 0 [pid 1049] write(1, "executing program\n", 18 [pid 1045] <... write resumed>) = 4 executing program [pid 1049] <... write resumed>) = 18 [pid 1049] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1049] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program executing program [pid 1049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1045] close(3 [pid 1049] <... mkdirat resumed>) = 0 [pid 1049] rmdir("./config/usb_gadget/g1") = 0 [pid 1049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1049] exit_group(0) = ? [pid 1049] +++ exited with 0 +++ [pid 1045] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1045] write(1, "executing program\n", 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1045] <... write resumed>) = 18 [pid 306] <... restart_syscall 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 1046] close(3 [pid 1045] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1051 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1045] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1051 attached [pid 1046] <... close resumed>) = 0 [pid 1051] set_robust_list(0x555579e166a0, 24 [pid 1046] write(1, "executing program\n", 18 [pid 1045] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... restart_syscall resumed>) = 0 [pid 1051] <... set_robust_list resumed>) = 0 [pid 1046] <... write resumed>) = 18 [pid 1045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1050 attached [pid 1050] set_robust_list(0x555579e166a0, 24) = 0 [pid 1045] <... mkdirat resumed>) = 0 [pid 1050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1050] setpgid(0, 0) = 0 [pid 1050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1045] rmdir("./config/usb_gadget/g1" [pid 1046] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1050] <... openat resumed>) = 3 [pid 1045] <... rmdir resumed>) = 0 [pid 1050] write(3, "1000", 4) = 4 [pid 1050] close(3) = 0 executing program [pid 1050] write(1, "executing program\n", 18) = 18 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1052 [pid 1050] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] mount(NULL, "./config", "configfs", 0, NULL [pid 1051] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1045] exit_group(0 [pid 1051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1045] <... exit_group resumed>) = ? [pid 1046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1050] mount(NULL, "./config", "configfs", 0, NULL [pid 1045] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1050] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1052 attached [pid 1052] set_robust_list(0x555579e166a0, 24) = 0 [pid 1052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1046] <... mkdirat resumed>) = 0 [pid 1051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1046] rmdir("./config/usb_gadget/g1" [pid 1051] <... prctl resumed>) = 0 [pid 1052] setpgid(0, 0) = 0 [pid 1052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1052] write(3, "1000", 4) = 4 [pid 1052] close(3 [pid 1046] <... rmdir resumed>) = 0 [pid 1051] setpgid(0, 0 [pid 1046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1051] <... setpgid resumed>) = 0 [pid 1046] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1046] exit_group(0 [pid 1051] <... openat resumed>) = 3 [pid 1046] <... exit_group resumed>) = ? [pid 1051] write(3, "1000", 4 [pid 1050] <... mkdirat resumed>) = 0 [pid 1050] rmdir("./config/usb_gadget/g1" [pid 307] <... 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, child_tidptr=0x555579e16690) = 1053 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1046] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1051] <... write resumed>) = 4 [pid 1050] <... rmdir resumed>) = 0 [pid 1050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) executing program executing program [pid 1050] exit_group(0) = ? [pid 1051] close(3) = 0 [pid 1051] write(1, "executing program\n", 18) = 18 [pid 1051] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1051] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1050] +++ exited with 0 +++ [pid 1052] <... close resumed>) = 0 [pid 1052] write(1, "executing program\n", 18) = 18 [pid 1052] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1051] <... mkdirat resumed>) = 0 [pid 1051] rmdir("./config/usb_gadget/g1" [pid 1052] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1052] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1053 attached [pid 1053] set_robust_list(0x555579e166a0, 24) = 0 [pid 1053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1054 [pid 1053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1053] <... prctl resumed>) = 0 [pid 1053] setpgid(0, 0 [pid 308] <... 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 1053] <... setpgid resumed>) = 0 [pid 1053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1053] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1055 [pid 1053] <... write resumed>) = 4 [pid 1053] close(3) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1052] <... mkdirat resumed>) = 0 [pid 1051] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1055 attached [pid 1052] rmdir("./config/usb_gadget/g1" [pid 1051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1053] write(1, "executing program\n", 18) = 18 executing program [pid 1052] <... rmdir resumed>) = 0 [pid 1052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1055] set_robust_list(0x555579e166a0, 24 [pid 1051] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1053] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1052] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1051] exit_group(0 [pid 1055] <... set_robust_list resumed>) = 0 [pid 1052] exit_group(0 [pid 1051] <... exit_group resumed>) = ? [pid 1052] <... exit_group resumed>) = ? [pid 1053] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1051] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1052] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1055] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1055] setpgid(0, 0) = 0 [pid 1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1053] <... mkdirat resumed>) = 0 [pid 1053] rmdir("./config/usb_gadget/g1") = 0 [pid 1053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1053] exit_group(0) = ? [pid 1055] write(3, "1000", 4 [pid 1053] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1054 attached [pid 1055] <... write resumed>) = 4 [pid 305] <... restart_syscall resumed>) = 0 [pid 1055] close(3 [pid 1054] set_robust_list(0x555579e166a0, 24 [pid 1055] <... close resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1054] <... set_robust_list resumed>) = 0 [pid 1055] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1055] <... write resumed>) = 18 [pid 1054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1054] setpgid(0, 0) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1056 [pid 1055] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1055] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1055] mount(NULL, "./config", "configfs", 0, NULL [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1055] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1054] write(3, "1000", 4) = 4 [pid 1054] close(3 [pid 1055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1054] <... close resumed>) = 0 [pid 1054] write(1, "executing program\n", 18) = 18 executing program [pid 1054] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1054] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 1056 attached [pid 1055] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1055] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1055] <... rmdir resumed>) = 0 [pid 1056] set_robust_list(0x555579e166a0, 24 [pid 1055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [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 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1057 [pid 1054] <... mkdirat resumed>) = 0 [pid 1054] rmdir("./config/usb_gadget/g1" [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1058 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1058 attached ci2-android-5-15/strace-static-x86_64: Process 1057 attached [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1058] set_robust_list(0x555579e166a0, 24 [pid 1057] set_robust_list(0x555579e166a0, 24 [pid 1058] <... set_robust_list resumed>) = 0 [pid 1054] <... rmdir resumed>) = 0 [pid 1054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1054] exit_group(0) = ? [pid 1058] rt_sigprocmask(SIG_SETMASK, [] [pid 1057] <... set_robust_list resumed>) = 0 [pid 1054] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1057] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1056] <... set_robust_list resumed>) = 0 [pid 1058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1056] setpgid(0, 0) = 0 [pid 1058] <... prctl resumed>) = 0 [pid 1057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1058] setpgid(0, 0 [pid 1057] <... prctl resumed>) = 0 [pid 1055] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1058] <... setpgid resumed>) = 0 [pid 1057] setpgid(0, 0 [pid 1056] <... openat resumed>) = 3 [pid 1058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1057] <... setpgid resumed>) = 0 [pid 1055] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1058] <... openat resumed>) = 3 [pid 1058] write(3, "1000", 4 [pid 1057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1055] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1058] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1058] close(3 [pid 1057] <... openat resumed>) = 3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1055] +++ exited with 0 +++ [pid 1058] <... close resumed>) = 0 [pid 1057] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1059 [pid 1058] write(1, "executing program\n", 18 [pid 1057] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1058] <... write resumed>) = 18 executing program [pid 1057] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1058] mkdirat(AT_FDCWD, "./config", 0777 [pid 1057] <... close resumed>) = 0 [pid 1058] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1057] write(1, "executing program\n", 18 [pid 1056] write(3, "1000", 4 [pid 1058] mount(NULL, "./config", "configfs", 0, NULL [pid 1057] <... write resumed>) = 18 [pid 1056] <... write resumed>) = 4 [pid 1058] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 1056] close(3 [pid 1057] mkdirat(AT_FDCWD, "./config", 0777 [pid 1058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1056] <... close resumed>) = 0 [pid 1056] write(1, "executing program\n", 18) = 18 [pid 1056] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1056] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1059 attached [pid 1059] set_robust_list(0x555579e166a0, 24) = 0 [pid 1059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1059] setpgid(0, 0) = 0 [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1058] <... mkdirat resumed>) = 0 [pid 1056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1056] rmdir("./config/usb_gadget/g1" [pid 1059] write(3, "1000", 4 [pid 1058] rmdir("./config/usb_gadget/g1" [pid 1057] mount(NULL, "./config", "configfs", 0, NULL [pid 1059] <... write resumed>) = 4 [pid 1058] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1057] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1056] <... rmdir resumed>) = 0 [pid 1056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1056] exit_group(0) = ? [pid 1059] close(3 [pid 1058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1058] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1058] exit_group(0) = ? [pid 1056] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1059] <... close resumed>) = 0 [pid 1059] write(1, "executing program\n", 18 [pid 1058] +++ exited with 0 +++ [pid 1057] <... mkdirat resumed>) = 0 [pid 1057] rmdir("./config/usb_gadget/g1" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1057] <... rmdir resumed>) = 0 [pid 1057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1057] exit_group(0) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1057] +++ exited with 0 +++ executing program [pid 1059] <... write resumed>) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1059] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1059] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1059] rmdir("./config/usb_gadget/g1") = 0 [pid 1059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1060 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1059] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1059] <... exit_group resumed>) = ? [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] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1060 attached [pid 1060] set_robust_list(0x555579e166a0, 24) = 0 [pid 1060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1060] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1061 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1062 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1060] <... setpgid resumed>) = 0 [pid 1060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1060] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1063 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1060] <... write resumed>) = 4 [pid 1060] close(3) = 0 [pid 1060] write(1, "executing program\n", 18) = 18 [pid 1060] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1060] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1059] +++ exited with 0 +++ executing program ci2-android-5-15/strace-static-x86_64: Process 1063 attached ci2-android-5-15/strace-static-x86_64: Process 1062 attached ci2-android-5-15/strace-static-x86_64: Process 1061 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1063] set_robust_list(0x555579e166a0, 24) = 0 [pid 1062] set_robust_list(0x555579e166a0, 24 [pid 1061] set_robust_list(0x555579e166a0, 24 [pid 1063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1063] setpgid(0, 0) = 0 [pid 1063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1062] <... set_robust_list resumed>) = 0 [pid 1061] <... set_robust_list resumed>) = 0 [pid 1063] <... openat resumed>) = 3 [pid 1063] write(3, "1000", 4) = 4 [pid 1063] close(3) = 0 [pid 1063] write(1, "executing program\n", 18) = 18 [pid 1063] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1063] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1061] rt_sigprocmask(SIG_SETMASK, [] [pid 1063] rmdir("./config/usb_gadget/g1" [pid 1062] rt_sigprocmask(SIG_SETMASK, [] [pid 1061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1060] <... mkdirat resumed>) = 0 [pid 1061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1063] <... rmdir resumed>) = 0 [pid 1062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1061] <... prctl resumed>) = 0 [pid 1060] rmdir("./config/usb_gadget/g1" [pid 1063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1061] setpgid(0, 0 [pid 1060] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1063] exit_group(0) = ? [pid 1062] <... prctl resumed>) = 0 [pid 1061] <... setpgid resumed>) = 0 [pid 1060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1063] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1062] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1060] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1061] write(3, "1000", 4) = 4 [pid 1061] close(3) = 0 [pid 1061] write(1, "executing program\n", 18) = 18 executing program [pid 1061] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1061] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1062] <... setpgid resumed>) = 0 [pid 1061] <... mkdirat resumed>) = 0 [pid 1060] exit_group(0 [pid 1061] rmdir("./config/usb_gadget/g1" [pid 1062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1060] <... exit_group resumed>) = ? [pid 1061] <... rmdir resumed>) = 0 [pid 1061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1062] <... openat resumed>) = 3 [pid 1061] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1060] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 1062] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1061] exit_group(0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1062] <... write resumed>) = 4 [pid 1061] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1064 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1064 attached [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1064] set_robust_list(0x555579e166a0, 24) = 0 [pid 1064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1065 [pid 1064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1064] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1064] setpgid(0, 0) = 0 [pid 1064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1064] write(3, "1000", 4) = 4 [pid 1064] close(3) = 0 [pid 1064] write(1, "executing program\n", 18) = 18 executing program [pid 1064] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1064] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1062] close(3 [pid 1061] +++ exited with 0 +++ [pid 1064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1062] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1062] write(1, "executing program\n", 18) = 18 [pid 1062] mkdirat(AT_FDCWD, "./config", 0777 [pid 1064] <... mkdirat resumed>) = 0 [pid 1064] rmdir("./config/usb_gadget/g1" [pid 1062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1062] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1065 attached ) = -1 EBUSY (Device or resource busy) [pid 1062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1065] set_robust_list(0x555579e166a0, 24) = 0 [pid 1064] <... rmdir resumed>) = 0 [pid 1065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1065] setpgid(0, 0) = 0 [pid 1064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1062] <... mkdirat resumed>) = 0 [pid 1065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1062] rmdir("./config/usb_gadget/g1" [pid 308] <... 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, child_tidptr=0x555579e16690) = 1066 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1065] write(3, "1000", 4) = 4 [pid 1065] close(3) = 0 [pid 1065] write(1, "executing program\n", 18) = 18 [pid 1065] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1065] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1066 attached [pid 1066] set_robust_list(0x555579e166a0, 24) = 0 [pid 1066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... restart_syscall resumed>) = 0 [pid 1066] <... prctl resumed>) = 0 [pid 1066] setpgid(0, 0) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1064] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1067 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1067 attached [pid 1066] <... openat resumed>) = 3 [pid 1064] exit_group(0 [pid 1062] <... rmdir resumed>) = 0 [pid 1062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1062] exit_group(0) = ? [pid 1062] +++ exited with 0 +++ [pid 1064] <... exit_group resumed>) = ? [pid 1064] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1064, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 1067] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1067] rt_sigprocmask(SIG_SETMASK, [] [pid 1066] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1068 [pid 1066] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1068 attached [pid 1067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1065] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1065] rmdir("./config/usb_gadget/g1" [pid 1066] close(3) = 0 [pid 1066] write(1, "executing program\n", 18) = 18 [pid 1066] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1066] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1065] <... rmdir resumed>) = 0 [pid 1068] set_robust_list(0x555579e166a0, 24 [pid 1065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1067] <... prctl resumed>) = 0 [pid 1065] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1067] setpgid(0, 0) = 0 [pid 1065] exit_group(0 [pid 1068] <... set_robust_list resumed>) = 0 [pid 1067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1065] <... exit_group resumed>) = ? [pid 1067] <... openat resumed>) = 3 [pid 1067] write(3, "1000", 4) = 4 [pid 1067] close(3) = 0 [pid 1067] write(1, "executing program\n", 18) = 18 [pid 1067] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1067] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1065] +++ exited with 0 +++ [pid 1068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1065, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1068] <... prctl resumed>) = 0 [pid 1066] <... mkdirat resumed>) = 0 [pid 1067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1067] rmdir("./config/usb_gadget/g1" [pid 1068] setpgid(0, 0 [pid 1066] rmdir("./config/usb_gadget/g1" [pid 1068] <... setpgid resumed>) = 0 [pid 1068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1067] <... rmdir resumed>) = 0 [pid 1066] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1067] exit_group(0) = ? [pid 1068] write(3, "1000", 4 [pid 1066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1066] exit_group(0 [pid 1068] <... write resumed>) = 4 [pid 1068] close(3) = 0 [pid 1067] +++ exited with 0 +++ [pid 1066] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 1068] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1069 attached [pid 1068] <... write resumed>) = 18 [pid 1066] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1068] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1069 [pid 1068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1068] mount(NULL, "./config", "configfs", 0, NULL [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1068] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1069] set_robust_list(0x555579e166a0, 24) = 0 [pid 1068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1069] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 1069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1069] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1069] <... setpgid resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1068] <... mkdirat resumed>) = 0 [pid 1068] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1070 attached [pid 1069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1070] set_robust_list(0x555579e166a0, 24 [pid 1069] <... openat resumed>) = 3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1070 [pid 1070] <... set_robust_list resumed>) = 0 [pid 1069] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1069] <... write resumed>) = 4 [pid 1068] <... rmdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1070] rt_sigprocmask(SIG_SETMASK, [] [pid 1069] close(3) = 0 [pid 1068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1069] write(1, "executing program\n", 18) = 18 [pid 1068] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1070] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1069] mkdirat(AT_FDCWD, "./config", 0777 [pid 1070] <... prctl resumed>) = 0 [pid 1069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1068] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1070] setpgid(0, 0 [pid 1069] mount(NULL, "./config", "configfs", 0, NULL [pid 1068] <... exit_group resumed>) = ? [pid 1070] <... setpgid resumed>) = 0 [pid 1069] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1069] <... mkdirat resumed>) = 0 [pid 1069] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1069] <... rmdir resumed>) = 0 [pid 1069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1069] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1069] <... exit_group resumed>) = ? [pid 1070] <... openat resumed>) = 3 [pid 1069] +++ exited with 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 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1071 attached [pid 1070] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1071 ci2-android-5-15/strace-static-x86_64: Process 1072 attached [pid 1070] <... write resumed>) = 4 [pid 1068] +++ exited with 0 +++ [pid 1070] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1072 [pid 1072] set_robust_list(0x555579e166a0, 24 [pid 1070] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1072] <... set_robust_list resumed>) = 0 [pid 1070] write(1, "executing program\n", 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1072] rt_sigprocmask(SIG_SETMASK, [] [pid 1070] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1070] mkdirat(AT_FDCWD, "./config", 0777 [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1071] set_robust_list(0x555579e166a0, 24) = 0 [pid 1071] rt_sigprocmask(SIG_SETMASK, [] [pid 1070] mount(NULL, "./config", "configfs", 0, NULL [pid 1071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] <... prctl resumed>) = 0 [pid 1071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1070] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1071] <... prctl resumed>) = 0 [pid 1071] setpgid(0, 0) = 0 [pid 1071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1072] setpgid(0, 0 [pid 1071] <... openat resumed>) = 3 [pid 1070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1071] write(3, "1000", 4) = 4 [pid 1071] close(3) = 0 [pid 1071] write(1, "executing program\n", 18) = 18 executing program [pid 1071] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1073 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1071] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1073 attached [pid 1073] set_robust_list(0x555579e166a0, 24) = 0 [pid 1073] rt_sigprocmask(SIG_SETMASK, [] [pid 1070] <... mkdirat resumed>) = 0 [pid 1071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1070] rmdir("./config/usb_gadget/g1" [pid 1071] rmdir("./config/usb_gadget/g1" [pid 1073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1073] setpgid(0, 0) = 0 [pid 1073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1073] write(3, "1000", 4) = 4 [pid 1073] close(3 [pid 1071] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1070] <... rmdir resumed>) = 0 [pid 1071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1072] <... setpgid resumed>) = 0 [pid 1071] exit_group(0 [pid 1070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1071] <... exit_group resumed>) = ? [pid 1070] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1070] exit_group(0) = ? [pid 1071] +++ exited with 0 +++ [pid 1070] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1070, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1072] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1073] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1072] write(3, "1000", 4 [pid 1073] write(1, "executing program\n", 18) = 18 [pid 1073] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1073] mount(NULL, "./config", "configfs", 0, NULL [pid 1072] <... write resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1074 executing program executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1072] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] <... close resumed>) = 0 [pid 1072] write(1, "executing program\n", 18 [pid 1073] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1072] <... write resumed>) = 18 [pid 1073] <... mkdirat resumed>) = 0 [pid 1073] rmdir("./config/usb_gadget/g1") = 0 [pid 1073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1073] exit_group(0) = ? [pid 1073] +++ exited with 0 +++ [pid 1072] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1074 attached [pid 1072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1074] set_robust_list(0x555579e166a0, 24) = 0 [pid 1072] mount(NULL, "./config", "configfs", 0, NULL [pid 1074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1072] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 1072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1074] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1074] setpgid(0, 0) = 0 [pid 1074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1075 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1074] <... openat resumed>) = 3 [pid 1074] write(3, "1000", 4) = 4 [pid 1074] close(3) = 0 [pid 1074] write(1, "executing program\n", 18) = 18 [pid 1074] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1074] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1075 attached [pid 1075] set_robust_list(0x555579e166a0, 24) = 0 [pid 1075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1075] setpgid(0, 0) = 0 [pid 1075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1074] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1072] <... mkdirat resumed>) = 0 [pid 1074] rmdir("./config/usb_gadget/g1" executing program [pid 1072] rmdir("./config/usb_gadget/g1" [pid 1074] <... rmdir resumed>) = 0 [pid 1074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1076 attached [pid 1072] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1076 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1074] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1074] exit_group(0 [pid 1072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1074] <... exit_group resumed>) = ? [pid 1076] set_robust_list(0x555579e166a0, 24 [pid 1072] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1072] exit_group(0 [pid 1076] <... set_robust_list resumed>) = 0 [pid 1072] <... exit_group resumed>) = ? [pid 1074] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 1072] +++ exited with 0 +++ [pid 1076] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1076] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1077 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1077 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1075] <... openat resumed>) = 3 [pid 1076] <... prctl resumed>) = 0 [pid 1075] write(3, "1000", 4 [pid 1077] set_robust_list(0x555579e166a0, 24 [pid 1076] setpgid(0, 0 [pid 1075] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1075] close(3) = 0 [pid 1075] write(1, "executing program\n", 18) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1075] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1075] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1078 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1077] <... set_robust_list resumed>) = 0 [pid 1076] <... setpgid resumed>) = 0 [pid 1076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1075] <... mkdirat resumed>) = 0 [pid 1075] rmdir("./config/usb_gadget/g1") = 0 [pid 1075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1075] exit_group(0) = ? [pid 1075] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1076] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1076] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1078 attached ) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1076] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [ 30.971267][ T1064] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.971267][ T1064] 7) [pid 1078] set_robust_list(0x555579e166a0, 24 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1077] rt_sigprocmask(SIG_SETMASK, [] [pid 1076] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1078] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1076] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1079 [pid 1078] rt_sigprocmask(SIG_SETMASK, [] [pid 1077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1078] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1077] <... prctl resumed>) = 0 [pid 1077] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1080 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1076] <... write resumed>) = 18 executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1076] mkdirat(AT_FDCWD, "./config", 0777 [pid 1077] <... setpgid resumed>) = 0 [pid 1076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1078] <... prctl resumed>) = 0 [pid 1077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1076] mount(NULL, "./config", "configfs", 0, NULL [pid 1078] setpgid(0, 0) = 0 [pid 1078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1077] <... openat resumed>) = 3 [pid 1076] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1078] <... openat resumed>) = 3 [pid 1077] write(3, "1000", 4 [pid 1076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1077] <... write resumed>) = 4 [pid 1077] close(3 [pid 1078] write(3, "1000", 4 [pid 1077] <... close resumed>) = 0 [pid 1078] <... write resumed>) = 4 [pid 1078] close(3) = 0 [pid 1077] write(1, "executing program\n", 18) = 18 [pid 1078] write(1, "executing program\n", 18 [pid 1077] mkdirat(AT_FDCWD, "./config", 0777 [pid 1078] <... write resumed>) = 18 [pid 1076] <... mkdirat resumed>) = 0 [pid 1077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1078] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1077] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1078] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1077] rmdir("./config/usb_gadget/g1" executing program executing program [pid 1076] rmdir("./config/usb_gadget/g1" [pid 1078] rmdir("./config/usb_gadget/g1" [pid 1077] <... rmdir resumed>) = 0 [pid 1078] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1078] exit_group(0) = ? [pid 1076] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1077] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1080 attached ci2-android-5-15/strace-static-x86_64: Process 1079 attached ) = ? [pid 1076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1080] set_robust_list(0x555579e166a0, 24 [pid 1078] +++ exited with 0 +++ [pid 1076] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1076] <... exit_group resumed>) = ? [pid 1076] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1077] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1080] <... set_robust_list resumed>) = 0 [pid 1079] set_robust_list(0x555579e166a0, 24 [pid 1080] rt_sigprocmask(SIG_SETMASK, [] [pid 1079] <... set_robust_list resumed>) = 0 [pid 1080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1080] setpgid(0, 0) = 0 [pid 1080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1079] rt_sigprocmask(SIG_SETMASK, [] [pid 1080] <... openat resumed>) = 3 [pid 1079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] write(3, "1000", 4) = 4 [pid 1080] close(3) = 0 [pid 1080] write(1, "executing program\n", 18) = 18 executing program [pid 1080] mkdirat(AT_FDCWD, "./config", 0777 [pid 1079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1080] mount(NULL, "./config", "configfs", 0, NULL [pid 1079] <... prctl resumed>) = 0 [pid 1080] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1079] setpgid(0, 0 [pid 1080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1079] <... setpgid resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1081 attached [pid 1080] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1082 attached [pid 1081] set_robust_list(0x555579e166a0, 24 [pid 1080] rmdir("./config/usb_gadget/g1" [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1081 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1082 [pid 1081] <... set_robust_list resumed>) = 0 [pid 1079] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] <... rmdir resumed>) = 0 [pid 1082] set_robust_list(0x555579e166a0, 24) = 0 [pid 1080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1081] rt_sigprocmask(SIG_SETMASK, [] [pid 1080] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1079] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1082] rt_sigprocmask(SIG_SETMASK, [] [pid 1081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1079] <... write resumed>) = 4 [pid 1082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1080] <... exit_group resumed>) = ? [pid 1079] close(3 [pid 1082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1081] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1083 attached [pid 1080] +++ exited with 0 +++ [pid 1079] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1083 [pid 1081] setpgid(0, 0 [pid 1079] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1083] set_robust_list(0x555579e166a0, 24 [pid 1082] <... prctl resumed>) = 0 [pid 1081] <... setpgid resumed>) = 0 [pid 1079] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1079] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1082] setpgid(0, 0 [pid 1081] <... openat resumed>) = 3 [pid 1079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1079] mount(NULL, "./config", "configfs", 0, NULL [pid 1081] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1079] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1081] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1084 [pid 1083] <... set_robust_list resumed>) = 0 [pid 1082] <... setpgid resumed>) = 0 [pid 1081] close(3 [pid 1079] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1079] rmdir("./config/usb_gadget/g1" [pid 1081] <... close resumed>) = 0 [pid 1079] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1079] exit_group(0) = ? [pid 1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1081] write(1, "executing program\n", 18 [pid 1079] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1084 attached [pid 1083] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1084] set_robust_list(0x555579e166a0, 24 [pid 1083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1082] <... openat resumed>) = 3 [pid 1081] <... write resumed>) = 18 [pid 1082] write(3, "1000", 4) = 4 executing program [pid 1081] mkdirat(AT_FDCWD, "./config", 0777 [pid 1082] close(3) = 0 [pid 1082] write(1, "executing program\n", 18) = 18 executing program [pid 1084] <... set_robust_list resumed>) = 0 [pid 1083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1082] mkdirat(AT_FDCWD, "./config", 0777 [pid 1081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1084] rt_sigprocmask(SIG_SETMASK, [] [pid 1083] <... prctl resumed>) = 0 [pid 1081] mount(NULL, "./config", "configfs", 0, NULL [pid 1084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1083] setpgid(0, 0 [pid 1082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1081] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1082] mount(NULL, "./config", "configfs", 0, NULL [pid 1081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1082] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1081] <... mkdirat resumed>) = 0 [pid 1082] rmdir("./config/usb_gadget/g1") = 0 [pid 1082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1082] exit_group(0) = ? [pid 1082] +++ exited with 0 +++ [pid 1084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1084] setpgid(0, 0) = 0 [pid 1084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1084] write(3, "1000", 4) = 4 [pid 1084] close(3) = 0 [pid 1084] write(1, "executing program\n", 18) = 18 [pid 1084] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1084] mount(NULL, "./config", "configfs", 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] rmdir("./config/usb_gadget/g1" [pid 1083] <... setpgid resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1081] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1084] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1081] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1084] <... mkdirat resumed>) = 0 [pid 1083] <... openat resumed>) = 3 [pid 1081] exit_group(0 [pid 1084] rmdir("./config/usb_gadget/g1" [pid 1083] write(3, "1000", 4 [pid 1081] <... exit_group resumed>) = ? [pid 1084] <... rmdir resumed>) = 0 [pid 1084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1084] exit_group(0) = ? [pid 1084] +++ exited with 0 +++ [pid 1081] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 1083] <... write resumed>) = 4 [pid 1083] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1083] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1083] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1083] <... write resumed>) = 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1083] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1085 attached [pid 1083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1083] mount(NULL, "./config", "configfs", 0, NULL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1085 ci2-android-5-15/strace-static-x86_64: Process 1086 attached [pid 1085] set_robust_list(0x555579e166a0, 24 [pid 1083] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1086 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1087 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1087 attached [pid 1086] set_robust_list(0x555579e166a0, 24 [pid 1085] <... set_robust_list resumed>) = 0 [pid 1083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1087] set_robust_list(0x555579e166a0, 24) = 0 [pid 1085] rt_sigprocmask(SIG_SETMASK, [] [pid 1087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1083] <... mkdirat resumed>) = 0 [pid 1087] <... prctl resumed>) = 0 [pid 1087] setpgid(0, 0) = 0 [pid 1087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1087] write(3, "1000", 4) = 4 [pid 1087] close(3) = 0 [pid 1087] write(1, "executing program\n", 18) = 18 [pid 1087] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1087] mount(NULL, "./config", "configfs", 0, NULL [pid 1085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1083] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1087] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1085] <... prctl resumed>) = 0 [pid 1083] <... rmdir resumed>) = 0 [pid 1087] rmdir("./config/usb_gadget/g1") = 0 [pid 1087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1087] exit_group(0) = ? [pid 1087] +++ exited with 0 +++ [pid 1085] setpgid(0, 0 [pid 1083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1088 executing program [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1088 attached [pid 1088] set_robust_list(0x555579e166a0, 24 [pid 1085] <... setpgid resumed>) = 0 [pid 1083] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1088] <... set_robust_list resumed>) = 0 [pid 1088] rt_sigprocmask(SIG_SETMASK, [] [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1088] setpgid(0, 0) = 0 [pid 1085] <... openat resumed>) = 3 [pid 1088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1085] write(3, "1000", 4 [pid 1083] exit_group(0 [pid 1088] <... openat resumed>) = 3 [pid 1085] <... write resumed>) = 4 [pid 1083] <... exit_group resumed>) = ? [pid 1088] write(3, "1000", 4 [pid 1085] close(3 [pid 1086] <... set_robust_list resumed>) = 0 [pid 1086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1083] +++ exited with 0 +++ [pid 1086] setpgid(0, 0 [pid 1085] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1083, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1086] <... setpgid resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1085] write(1, "executing program\n", 18 [pid 1086] write(3, "1000", 4) = 4 [pid 1086] close(3) = 0 [pid 1086] write(1, "executing program\n", 18) = 18 executing program [pid 1086] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1086] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1085] <... write resumed>) = 18 [pid 1086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1088] <... write resumed>) = 4 [pid 1086] <... mkdirat resumed>) = 0 [pid 1085] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 1086] rmdir("./config/usb_gadget/g1" [pid 1088] close(3 [pid 1086] <... rmdir resumed>) = 0 [pid 1085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1088] <... close resumed>) = 0 [pid 1086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1088] write(1, "executing program\n", 18 [pid 1086] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1085] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1088] <... write resumed>) = 18 executing program [pid 1086] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1088] mkdirat(AT_FDCWD, "./config", 0777 [pid 1086] <... exit_group resumed>) = ? [pid 1085] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 1089 attached [pid 1088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1086] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1089 [pid 305] <... restart_syscall resumed>) = 0 [pid 1088] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1089] set_robust_list(0x555579e166a0, 24 [pid 1088] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1085] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1088] rmdir("./config/usb_gadget/g1" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1088] <... rmdir resumed>) = 0 [pid 1085] rmdir("./config/usb_gadget/g1" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1085] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1090 [pid 1088] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1091 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1089] <... set_robust_list resumed>) = 0 [pid 1088] exit_group(0 [pid 1085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1088] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1089] rt_sigprocmask(SIG_SETMASK, [] [pid 1088] +++ exited with 0 +++ [pid 1085] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1091 attached [pid 1091] set_robust_list(0x555579e166a0, 24) = 0 [pid 1091] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1085] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1091] setpgid(0, 0) = 0 [pid 1091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1085] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 1091] <... openat resumed>) = 3 [pid 1091] write(3, "1000", 4) = 4 [pid 1091] close(3) = 0 [pid 1091] write(1, "executing program\n", 18) = 18 [pid 1091] mkdirat(AT_FDCWD, "./config", 0777 [pid 1085] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1091] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1092 [pid 1091] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1090 attached , NULL, 8) = 0 [pid 1091] <... rmdir resumed>) = 0 [pid 1091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1091] exit_group(0) = ? [pid 1090] set_robust_list(0x555579e166a0, 24 [pid 1091] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1090] <... set_robust_list resumed>) = 0 [pid 1090] rt_sigprocmask(SIG_SETMASK, [] [pid 1089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1090] setpgid(0, 0) = 0 [pid 1090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1089] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1092 attached [pid 1089] setpgid(0, 0 [pid 1092] set_robust_list(0x555579e166a0, 24) = 0 [pid 1092] rt_sigprocmask(SIG_SETMASK, [] [pid 1089] <... setpgid resumed>) = 0 [pid 1092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1092] setpgid(0, 0 [pid 1089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1092] <... setpgid resumed>) = 0 [pid 1092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1090] <... openat resumed>) = 3 [pid 1092] <... openat resumed>) = 3 [pid 1090] write(3, "1000", 4 [pid 1089] <... openat resumed>) = 3 [pid 1092] write(3, "1000", 4) = 4 [pid 1092] close(3) = 0 [pid 1090] <... write resumed>) = 4 [pid 1089] write(3, "1000", 4 [pid 1092] write(1, "executing program\n", 18 [pid 1090] close(3 [pid 1089] <... write resumed>) = 4 [pid 1092] <... write resumed>) = 18 executing program [pid 1092] mkdirat(AT_FDCWD, "./config", 0777 [pid 1090] <... close resumed>) = 0 [pid 1092] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1092] mount(NULL, "./config", "configfs", 0, NULL [pid 1090] write(1, "executing program\n", 18 [pid 1089] close(3 [pid 1092] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1090] <... write resumed>) = 18 executing program [pid 1090] mkdirat(AT_FDCWD, "./config", 0777 [pid 1089] <... close resumed>) = 0 [pid 1092] <... mkdirat resumed>) = 0 [pid 1092] rmdir("./config/usb_gadget/g1") = 0 [pid 1092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1092] exit_group(0) = ? [pid 1092] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1089] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 1089] <... write resumed>) = 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1089] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1089] mount(NULL, "./config", "configfs", 0, NULL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1093 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1093 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1090] mount(NULL, "./config", "configfs", 0, NULL [pid 1089] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1093] set_robust_list(0x555579e166a0, 24) = 0 [pid 1093] rt_sigprocmask(SIG_SETMASK, [] [pid 1089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1090] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1094 [pid 1093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1093] setpgid(0, 0) = 0 [pid 1093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1089] <... mkdirat resumed>) = 0 [pid 1093] write(3, "1000", 4) = 4 [pid 1093] close(3) = 0 [pid 1093] write(1, "executing program\n", 18) = 18 [pid 1093] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1093] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1089] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1090] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1094 attached [pid 1094] set_robust_list(0x555579e166a0, 24) = 0 [pid 1094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1094] setpgid(0, 0) = 0 [pid 1089] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1095 [pid 1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1094] write(3, "1000", 4) = 4 [pid 1094] close(3) = 0 [pid 1094] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1094] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1090] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1093] <... mkdirat resumed>) = 0 [pid 1090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1089] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1093] rmdir("./config/usb_gadget/g1") = 0 [pid 1093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1093] exit_group(0) = ? [pid 1090] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1089] exit_group(0 [pid 1090] exit_group(0 [pid 1089] <... exit_group resumed>) = ? [pid 1093] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1094] mount(NULL, "./config", "configfs", 0, NULL [pid 1090] <... exit_group resumed>) = ? [pid 1094] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1089] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1094] <... mkdirat resumed>) = 0 [pid 1090] +++ exited with 0 +++ [pid 1094] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1094] <... rmdir resumed>) = 0 [pid 1094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1094] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1094] exit_group(0) = ? [pid 1094] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1095 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1095] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1095] setpgid(0, 0) = 0 [pid 1095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1096 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1096 attached [pid 1095] <... openat resumed>) = 3 [pid 1095] write(3, "1000", 4) = 4 [pid 1095] close(3) = 0 [pid 1095] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 1095] <... write resumed>) = 18 executing program [pid 1095] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1095] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1095] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1097 attached [pid 1095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1097] set_robust_list(0x555579e166a0, 24 [pid 1095] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1097 [pid 1095] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1097] <... set_robust_list resumed>) = 0 [pid 1096] set_robust_list(0x555579e166a0, 24 [pid 1095] <... rmdir resumed>) = 0 [pid 1095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1095] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1095] <... exit_group resumed>) = ? [pid 1095] +++ exited with 0 +++ [pid 1096] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1097] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 1096] rt_sigprocmask(SIG_SETMASK, [] [pid 1097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1098 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1097] <... prctl resumed>) = 0 [pid 1097] setpgid(0, 0) = 0 [pid 1096] <... prctl resumed>) = 0 [pid 1097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1096] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1099 [pid 1096] <... setpgid resumed>) = 0 [pid 1096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1099 attached ci2-android-5-15/strace-static-x86_64: Process 1098 attached [pid 1097] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1099] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1099] <... set_robust_list resumed>) = 0 [pid 1098] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1100 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1100 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1100] set_robust_list(0x555579e166a0, 24 [pid 1099] rt_sigprocmask(SIG_SETMASK, [] [pid 1098] <... set_robust_list resumed>) = 0 [pid 1096] <... openat resumed>) = 3 [pid 1097] write(3, "1000", 4) = 4 [pid 1097] close(3 [pid 1096] write(3, "1000", 4 [pid 1097] <... close resumed>) = 0 [pid 1096] <... write resumed>) = 4 [pid 1096] close(3 [pid 1097] write(1, "executing program\n", 18 [pid 1096] <... close resumed>) = 0 [pid 1097] <... write resumed>) = 18 [pid 1097] mkdirat(AT_FDCWD, "./config", 0777 [pid 1096] write(1, "executing program\n", 18) = 18 executing program executing program [pid 1099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1096] mkdirat(AT_FDCWD, "./config", 0777 [pid 1098] rt_sigprocmask(SIG_SETMASK, [] [pid 1097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1097] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1099] <... prctl resumed>) = 0 [pid 1098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1096] mount(NULL, "./config", "configfs", 0, NULL [pid 1100] <... set_robust_list resumed>) = 0 [pid 1099] setpgid(0, 0 [pid 1098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1099] <... setpgid resumed>) = 0 [pid 1098] <... prctl resumed>) = 0 [pid 1096] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1100] rt_sigprocmask(SIG_SETMASK, [] [pid 1099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1098] setpgid(0, 0 [pid 1096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1097] <... mkdirat resumed>) = 0 [pid 1096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1096] rmdir("./config/usb_gadget/g1") = 0 [pid 1096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1096] exit_group(0) = ? [pid 1096] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1097] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1099] <... openat resumed>) = 3 [pid 1098] <... setpgid resumed>) = 0 [pid 1097] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1097] exit_group(0 [pid 1099] write(3, "1000", 4 [pid 1098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1097] <... exit_group resumed>) = ? [pid 1100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1099] <... write resumed>) = 4 [pid 1098] <... openat resumed>) = 3 [pid 1097] +++ exited with 0 +++ [pid 1100] <... prctl resumed>) = 0 [pid 1099] close(3 [pid 1098] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1099] <... close resumed>) = 0 [pid 1100] setpgid(0, 0 [pid 1099] write(1, "executing program\n", 18 [pid 1100] <... setpgid resumed>) = 0 [pid 1100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1099] <... write resumed>) = 18 [pid 1098] <... write resumed>) = 4 [pid 1100] write(3, "1000", 4 [pid 1099] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1098] close(3 [pid 1100] <... write resumed>) = 4 [pid 1099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1098] <... close resumed>) = 0 [pid 1100] close(3 [pid 1099] mount(NULL, "./config", "configfs", 0, NULL [pid 1098] write(1, "executing program\n", 18 [pid 1100] <... close resumed>) = 0 [pid 1099] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1098] <... write resumed>) = 18 executing program [pid 1100] write(1, "executing program\n", 18) = 18 executing program [pid 1100] mkdirat(AT_FDCWD, "./config", 0777 [pid 1099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1098] mkdirat(AT_FDCWD, "./config", 0777 [pid 1100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1100] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1098] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1099] <... mkdirat resumed>) = 0 [pid 1098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1100] rmdir("./config/usb_gadget/g1") = 0 [pid 1099] rmdir("./config/usb_gadget/g1" [pid 1098] rmdir("./config/usb_gadget/g1" [pid 1100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1100] exit_group(0) = ? [pid 1100] +++ exited with 0 +++ [pid 1099] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1098] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1099] exit_group(0) = ? [pid 1099] +++ exited with 0 +++ [pid 1098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1098] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1098] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1098] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1101 ci2-android-5-15/strace-static-x86_64: Process 1101 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1101] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1101] setpgid(0, 0) = 0 [pid 1101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1101] write(3, "1000", 4) = 4 [pid 1101] close(3) = 0 [pid 1101] write(1, "executing program\n", 18) = 18 [pid 1101] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1102 executing program [pid 1101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1101] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1101] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1101] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 1101] <... rmdir resumed>) = 0 [pid 1101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1101] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1101] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1102 attached [pid 1102] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1103 [pid 1102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1102] setpgid(0, 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1104 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1102] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1102] <... openat resumed>) = 3 [pid 1102] write(3, "1000", 4) = 4 [pid 1102] close(3) = 0 [pid 1102] write(1, "executing program\n", 18) = 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1105 executing program [pid 1102] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1102] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1104 attached ) = -1 EBUSY (Device or resource busy) [pid 1102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1102] rmdir("./config/usb_gadget/g1") = 0 [pid 1102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1102] exit_group(0) = ? [pid 1102] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1103 attached [pid 1103] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 1105 attached [pid 1104] set_robust_list(0x555579e166a0, 24 [pid 1103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1104] <... set_robust_list resumed>) = 0 [pid 1103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1105] set_robust_list(0x555579e166a0, 24 [pid 1103] <... prctl resumed>) = 0 [pid 1103] setpgid(0, 0) = 0 [pid 1103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1105] <... set_robust_list resumed>) = 0 [pid 1103] <... openat resumed>) = 3 [pid 1103] write(3, "1000", 4 [pid 1104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1103] <... write resumed>) = 4 [pid 1105] rt_sigprocmask(SIG_SETMASK, [] [pid 1104] <... prctl resumed>) = 0 [pid 1103] close(3) = 0 [pid 1103] write(1, "executing program\n", 18 [pid 1104] setpgid(0, 0 [pid 1103] <... write resumed>) = 18 [pid 1103] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 305] <... restart_syscall resumed>) = 0 [pid 1104] <... setpgid resumed>) = 0 [pid 1103] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1103] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1106 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1103] <... mkdirat resumed>) = 0 [pid 1103] rmdir("./config/usb_gadget/g1" [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1103] <... rmdir resumed>) = 0 [pid 1103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall resumed>) = 0 [pid 1103] exit_group(0) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1103] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1106 attached [pid 1106] set_robust_list(0x555579e166a0, 24) = 0 [pid 1104] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1107 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1104] write(3, "1000", 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1104] <... write resumed>) = 4 [pid 1106] rt_sigprocmask(SIG_SETMASK, [] [pid 1104] close(3 [pid 1106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1104] <... close resumed>) = 0 [pid 1106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1104] write(1, "executing program\n", 18 [pid 1106] <... prctl resumed>) = 0 [pid 1106] setpgid(0, 0) = 0 [pid 1104] <... write resumed>) = 18 executing program [pid 1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1104] mkdirat(AT_FDCWD, "./config", 0777 [pid 1105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1106] <... openat resumed>) = 3 [pid 1105] <... prctl resumed>) = 0 [pid 1104] mount(NULL, "./config", "configfs", 0, NULL [pid 1106] write(3, "1000", 4) = 4 [pid 1106] close(3 [pid 304] <... restart_syscall resumed>) = 0 [pid 1106] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1105] setpgid(0, 0 executing program [pid 1104] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1105] <... setpgid resumed>) = 0 [pid 1104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1106] write(1, "executing program\n", 18) = 18 [pid 1106] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1106] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1108 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1106] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1107 attached [pid 1107] set_robust_list(0x555579e166a0, 24) = 0 [pid 1107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1107] setpgid(0, 0) = 0 [pid 1107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1104] <... mkdirat resumed>) = 0 [pid 1106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1104] rmdir("./config/usb_gadget/g1" [pid 1106] rmdir("./config/usb_gadget/g1") = 0 [pid 1106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1106] exit_group(0) = ? [pid 1105] <... openat resumed>) = 3 [pid 1104] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1105] write(3, "1000", 4 [pid 1104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1106] +++ exited with 0 +++ [pid 1105] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1105] close(3 [pid 1104] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1105] <... close resumed>) = 0 [pid 1107] <... openat resumed>) = 3 [pid 1107] write(3, "1000", 4 [pid 1105] write(1, "executing program\n", 18 [pid 1104] exit_group(0 [pid 1107] <... write resumed>) = 4 [pid 1107] close(3) = 0 [pid 1107] write(1, "executing program\n", 18) = 18 executing program [pid 1107] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1107] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1105] <... write resumed>) = 18 executing program [pid 1104] <... exit_group resumed>) = ? [pid 1107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1105] mkdirat(AT_FDCWD, "./config", 0777 [pid 1107] <... mkdirat resumed>) = 0 [pid 1107] rmdir("./config/usb_gadget/g1" [pid 1105] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1108 attached [pid 1108] set_robust_list(0x555579e166a0, 24) = 0 [pid 1108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1105] mount(NULL, "./config", "configfs", 0, NULL [pid 1108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1107] <... rmdir resumed>) = 0 [pid 1108] <... prctl resumed>) = 0 [pid 1108] setpgid(0, 0) = 0 [pid 1108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 1107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1107] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1105] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1104] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1108] <... openat resumed>) = 3 [pid 1107] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1109 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1108] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1108] <... write resumed>) = 4 [pid 1108] close(3) = 0 [pid 1108] write(1, "executing program\n", 18) = 18 [pid 1108] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1108] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1107] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1109 attached [pid 1105] <... mkdirat resumed>) = 0 [pid 1108] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1108] rmdir("./config/usb_gadget/g1" [pid 1105] rmdir("./config/usb_gadget/g1" [pid 308] <... 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 1108] <... rmdir resumed>) = 0 [pid 1108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1108] exit_group(0) = ? [pid 1108] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1110 [pid 1109] set_robust_list(0x555579e166a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1105] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1109] <... set_robust_list resumed>) = 0 [pid 1109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1109] setpgid(0, 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1111 [pid 1105] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1109] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1105] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1105] <... exit_group resumed>) = ? [pid 1109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1109] write(3, "1000", 4) = 4 [pid 1109] close(3) = 0 [pid 1105] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1111 attached ci2-android-5-15/strace-static-x86_64: Process 1110 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 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 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1112 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1113 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1113 attached [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1109] write(1, "executing program\n", 18 [pid 1113] set_robust_list(0x555579e166a0, 24 [pid 1111] set_robust_list(0x555579e166a0, 24 [pid 1110] set_robust_list(0x555579e166a0, 24 [pid 1109] <... write resumed>) = 18 executing program [pid 1109] mkdirat(AT_FDCWD, "./config", 0777 [pid 1113] <... set_robust_list resumed>) = 0 [pid 1111] <... set_robust_list resumed>) = 0 [pid 1110] <... set_robust_list resumed>) = 0 [pid 1113] rt_sigprocmask(SIG_SETMASK, [] [pid 1111] rt_sigprocmask(SIG_SETMASK, [] [pid 1109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1109] mount(NULL, "./config", "configfs", 0, NULL [pid 1110] rt_sigprocmask(SIG_SETMASK, [] [pid 1109] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1110] <... prctl resumed>) = 0 [pid 1113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1109] <... mkdirat resumed>) = 0 [pid 1109] rmdir("./config/usb_gadget/g1") = 0 [pid 1109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1109] exit_group(0) = ? [pid 1110] setpgid(0, 0 [pid 1109] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1112 attached [pid 1112] set_robust_list(0x555579e166a0, 24) = 0 [pid 1113] <... prctl resumed>) = 0 [pid 1111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1110] <... setpgid resumed>) = 0 [pid 1113] setpgid(0, 0 [pid 1112] rt_sigprocmask(SIG_SETMASK, [] [pid 1111] <... prctl resumed>) = 0 [pid 1110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1113] <... setpgid resumed>) = 0 [pid 1112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1111] setpgid(0, 0 [pid 1110] <... openat resumed>) = 3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1111] <... setpgid resumed>) = 0 [pid 1110] write(3, "1000", 4 [pid 1113] <... openat resumed>) = 3 [pid 1111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1110] <... write resumed>) = 4 [pid 1113] write(3, "1000", 4 [pid 1111] <... openat resumed>) = 3 [pid 1110] close(3 [pid 1113] <... write resumed>) = 4 [pid 1111] write(3, "1000", 4 [pid 1110] <... close resumed>) = 0 [pid 1113] close(3 [pid 1111] <... write resumed>) = 4 [pid 1110] write(1, "executing program\n", 18 [pid 1113] <... close resumed>) = 0 [pid 1111] close(3 [pid 1110] <... write resumed>) = 18 executing program [pid 1113] write(1, "executing program\n", 18 [pid 1111] <... close resumed>) = 0 [pid 1110] mkdirat(AT_FDCWD, "./config", 0777 [pid 1113] <... write resumed>) = 18 [pid 1111] write(1, "executing program\n", 18 [pid 1110] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program [pid 1113] mkdirat(AT_FDCWD, "./config", 0777 [pid 1111] <... write resumed>) = 18 [pid 1110] mount(NULL, "./config", "configfs", 0, NULL [pid 1113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1111] mkdirat(AT_FDCWD, "./config", 0777 [pid 1113] mount(NULL, "./config", "configfs", 0, NULL [pid 1111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1113] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1111] mount(NULL, "./config", "configfs", 0, NULL [pid 1110] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1111] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1113] <... mkdirat resumed>) = 0 [pid 1111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1113] rmdir("./config/usb_gadget/g1" [pid 1111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1113] <... rmdir resumed>) = 0 [pid 1111] rmdir("./config/usb_gadget/g1" [pid 1113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1111] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1113] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1113] exit_group(0 [pid 1111] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1113] <... exit_group resumed>) = ? [pid 1111] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1113] +++ exited with 0 +++ [pid 1111] <... exit_group resumed>) = ? [pid 1110] <... mkdirat resumed>) = 0 [pid 1111] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1110] rmdir("./config/usb_gadget/g1" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1110] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1114 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1112] <... prctl resumed>) = 0 [pid 1112] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1112] <... setpgid resumed>) = 0 [pid 1112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1112] <... openat resumed>) = 3 [pid 1112] write(3, "1000", 4) = 4 [pid 1112] close(3) = 0 [pid 1112] write(1, "executing program\n", 18) = 18 [pid 1112] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1112] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1115 [pid 1110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1116 [pid 1112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1110] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1112] <... mkdirat resumed>) = 0 [pid 1110] exit_group(0 [pid 1112] rmdir("./config/usb_gadget/g1") = 0 [pid 1110] <... exit_group resumed>) = ? [pid 1112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1112] exit_group(0) = ? [pid 1112] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1115 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1115] set_robust_list(0x555579e166a0, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1110] +++ exited with 0 +++ [pid 1115] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1115] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1115] setpgid(0, 0) = 0 [pid 1115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1116 attached [pid 1116] set_robust_list(0x555579e166a0, 24 [pid 1115] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1114 attached [pid 1115] write(3, "1000", 4) = 4 [pid 1115] close(3) = 0 [pid 1115] write(1, "executing program\n", 18) = 18 [pid 1115] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1115] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1116] <... set_robust_list resumed>) = 0 [pid 1114] set_robust_list(0x555579e166a0, 24 [pid 1115] <... mkdirat resumed>) = 0 [pid 1115] rmdir("./config/usb_gadget/g1" [pid 1116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1116] setpgid(0, 0) = 0 [pid 1116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1114] <... set_robust_list resumed>) = 0 [pid 1116] <... openat resumed>) = 3 [pid 1114] rt_sigprocmask(SIG_SETMASK, [] [pid 1116] write(3, "1000", 4) = 4 [pid 1116] close(3) = 0 [pid 1116] write(1, "executing program\n", 18) = 18 [pid 1116] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1116] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1115] <... rmdir resumed>) = 0 [pid 1115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1114] <... prctl resumed>) = 0 [pid 1116] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall 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 1114] setpgid(0, 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 1114] <... setpgid resumed>) = 0 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1117 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1118 [pid 1114] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1114] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1114] <... write resumed>) = 4 [pid 1114] close(3) = 0 executing program [pid 1114] write(1, "executing program\n", 18) = 18 [pid 1114] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1117 attached ci2-android-5-15/strace-static-x86_64: Process 1118 attached [pid 1116] rmdir("./config/usb_gadget/g1" [pid 1117] set_robust_list(0x555579e166a0, 24 [pid 1118] set_robust_list(0x555579e166a0, 24 [pid 1117] <... set_robust_list resumed>) = 0 [pid 1114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1118] <... set_robust_list resumed>) = 0 [pid 1117] rt_sigprocmask(SIG_SETMASK, [] [pid 1116] <... rmdir resumed>) = 0 [pid 1115] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1114] mount(NULL, "./config", "configfs", 0, NULL [pid 1118] rt_sigprocmask(SIG_SETMASK, [] [pid 1117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1116] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1115] exit_group(0 [pid 1114] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1117] <... prctl resumed>) = 0 [pid 1116] exit_group(0 [pid 1118] <... prctl resumed>) = 0 [pid 1117] setpgid(0, 0 [pid 1116] <... exit_group resumed>) = ? [pid 1115] <... exit_group resumed>) = ? [pid 1118] setpgid(0, 0 [pid 1117] <... setpgid resumed>) = 0 [pid 1114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1118] <... setpgid resumed>) = 0 [pid 1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1116] +++ exited with 0 +++ [pid 1115] +++ exited with 0 +++ [pid 1118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1114] <... mkdirat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1118] <... openat resumed>) = 3 [pid 1117] <... openat resumed>) = 3 [pid 1114] rmdir("./config/usb_gadget/g1" [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1118] write(3, "1000", 4 [pid 1117] write(3, "1000", 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1118] <... write resumed>) = 4 [pid 1117] <... write resumed>) = 4 [pid 1118] close(3 [pid 1117] close(3 [pid 1118] <... close resumed>) = 0 [pid 1117] <... close resumed>) = 0 [pid 1118] write(1, "executing program\n", 18 [pid 1114] <... rmdir resumed>) = 0 executing program [pid 1117] write(1, "executing program\n", 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 1118] <... write resumed>) = 18 [pid 1117] <... write resumed>) = 18 [pid 1114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1118] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1117] mkdirat(AT_FDCWD, "./config", 0777 [pid 1114] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1114] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1118] mount(NULL, "./config", "configfs", 0, NULL [pid 1117] mount(NULL, "./config", "configfs", 0, NULL [pid 1114] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1118] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1117] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1114] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1119 attached [pid 305] <... restart_syscall resumed>) = 0 [pid 1119] set_robust_list(0x555579e166a0, 24 [pid 1118] <... mkdirat resumed>) = 0 [pid 1117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1118] rmdir("./config/usb_gadget/g1" [pid 1117] rmdir("./config/usb_gadget/g1" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1119 [pid 1119] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1119] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1118] <... rmdir resumed>) = 0 [pid 1117] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1118] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1118] exit_group(0 [pid 1117] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1120 attached [pid 1119] <... prctl resumed>) = 0 [pid 1118] <... exit_group resumed>) = ? [pid 1117] exit_group(0 [pid 1120] set_robust_list(0x555579e166a0, 24 [pid 1119] setpgid(0, 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1120 [pid 1120] <... set_robust_list resumed>) = 0 [pid 1119] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1120] rt_sigprocmask(SIG_SETMASK, [] [pid 1119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1119] <... openat resumed>) = 3 [pid 1118] +++ exited with 0 +++ [pid 1117] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 1120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1119] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1120] <... prctl resumed>) = 0 [pid 1119] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1120] setpgid(0, 0 [pid 1119] close(3 [pid 1120] <... setpgid resumed>) = 0 [pid 1119] <... close resumed>) = 0 [pid 1120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1119] write(1, "executing program\n", 18 [pid 1120] <... openat resumed>) = 3 [pid 1119] <... write resumed>) = 18 [pid 1117] +++ exited with 0 +++ [pid 1120] write(3, "1000", 4 [pid 1119] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1120] <... write resumed>) = 4 [pid 1119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1120] close(3 [pid 1119] mount(NULL, "./config", "configfs", 0, NULL [pid 1120] <... close resumed>) = 0 [pid 1119] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1120] write(1, "executing program\n", 18 [pid 1119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1119] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1121 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1120] <... write resumed>) = 18 [pid 1120] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1120] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1119] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1121 attached [pid 1120] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1119] <... rmdir resumed>) = 0 [pid 1120] rmdir("./config/usb_gadget/g1") = 0 [pid 1120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1120] exit_group(0) = ? [pid 1120] +++ exited with 0 +++ [pid 1119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1121] set_robust_list(0x555579e166a0, 24 [pid 1119] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1121] <... set_robust_list resumed>) = 0 [pid 1121] rt_sigprocmask(SIG_SETMASK, [] [pid 1119] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1119] <... exit_group resumed>) = ? [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1119] +++ exited with 0 +++ [pid 1121] <... prctl resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1121] setpgid(0, 0) = 0 [pid 1121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1121] write(3, "1000", 4) = 4 [pid 1121] close(3) = 0 [pid 1121] write(1, "executing program\n", 18 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 1121] <... write resumed>) = 18 [pid 1121] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1122 attached [pid 1121] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1122 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1121] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1121] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1121] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1124 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1123 attached [pid 1123] set_robust_list(0x555579e166a0, 24) = 0 [pid 1123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1123] setpgid(0, 0) = 0 [pid 1123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1123] write(3, "1000", 4) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1123 [pid 1123] close(3) = 0 [pid 1123] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1125 [pid 1121] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1123] <... write resumed>) = 18 [pid 1123] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1123] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1121] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1123] rmdir("./config/usb_gadget/g1") = 0 ci2-android-5-15/strace-static-x86_64: Process 1124 attached [pid 1124] set_robust_list(0x555579e166a0, 24) = 0 [pid 1124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1124] setpgid(0, 0) = 0 [pid 1124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1124] <... openat resumed>) = 3 [pid 1123] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1125 attached [pid 1122] set_robust_list(0x555579e166a0, 24 [pid 1121] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1124] write(3, "1000", 4 [pid 1123] <... exit_group resumed>) = ? [pid 1124] <... write resumed>) = 4 [pid 1125] set_robust_list(0x555579e166a0, 24 [pid 1123] +++ exited with 0 +++ [pid 1122] <... set_robust_list resumed>) = 0 [pid 1121] exit_group(0 [pid 1124] close(3) = 0 [pid 1121] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1124] write(1, "executing program\n", 18) = 18 [pid 1124] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1124] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1121] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1124] rmdir("./config/usb_gadget/g1") = 0 [pid 1124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1124] exit_group(0) = ? [pid 1125] <... set_robust_list resumed>) = 0 [pid 1124] +++ exited with 0 +++ [pid 1122] rt_sigprocmask(SIG_SETMASK, [] [pid 1125] rt_sigprocmask(SIG_SETMASK, [] [pid 1122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1122] setpgid(0, 0 [pid 1125] <... prctl resumed>) = 0 [pid 1122] <... setpgid resumed>) = 0 [pid 1125] setpgid(0, 0 [pid 1122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1126 ci2-android-5-15/strace-static-x86_64: Process 1126 attached [pid 1126] set_robust_list(0x555579e166a0, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1126] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1122] <... openat resumed>) = 3 [pid 1126] setpgid(0, 0) = 0 [pid 1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall 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-5-15/strace-static-x86_64: Process 1127 attached [pid 1125] <... setpgid resumed>) = 0 [pid 1122] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1127 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1127] set_robust_list(0x555579e166a0, 24 [pid 1125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1122] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1122] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1122] <... close resumed>) = 0 [pid 1122] write(1, "executing program\n", 18 [pid 1126] <... openat resumed>) = 3 executing program [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1128 [pid 1122] <... write resumed>) = 18 [pid 1126] write(3, "1000", 4) = 4 [pid 1126] close(3) = 0 [pid 1126] write(1, "executing program\n", 18) = 18 executing program [pid 1126] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1126] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1122] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1126] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1122] mount(NULL, "./config", "configfs", 0, NULL [pid 1125] <... openat resumed>) = 3 [pid 1122] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1126] <... mkdirat resumed>) = 0 [pid 1126] rmdir("./config/usb_gadget/g1") = 0 [pid 1126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1126] exit_group(0) = ? [pid 1122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1125] write(3, "1000", 4 [pid 1126] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1128 attached [pid 1128] set_robust_list(0x555579e166a0, 24) = 0 [pid 1122] <... mkdirat resumed>) = 0 [pid 1128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1128] setpgid(0, 0) = 0 [pid 1128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1128] <... openat resumed>) = 3 [pid 1128] write(3, "1000", 4) = 4 [pid 1128] close(3) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1122] rmdir("./config/usb_gadget/g1" [pid 1125] <... write resumed>) = 4 [pid 1128] write(1, "executing program\n", 18) = 18 executing program [pid 1128] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1128] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1122] <... rmdir resumed>) = 0 [pid 1128] <... mkdirat resumed>) = 0 [pid 1128] rmdir("./config/usb_gadget/g1" [pid 1125] close(3 [pid 1122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1128] <... rmdir resumed>) = 0 [pid 1128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... restart_syscall resumed>) = 0 [pid 1128] exit_group(0) = ? [pid 1125] <... close resumed>) = 0 [pid 1122] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1125] write(1, "executing program\n", 18 [pid 1122] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1128] +++ exited with 0 +++ [pid 1125] <... write resumed>) = 18 [pid 1122] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1129 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1129 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1129] set_robust_list(0x555579e166a0, 24) = 0 [pid 1122] +++ exited with 0 +++ executing program [pid 1125] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1129] <... prctl resumed>) = 0 [pid 1125] mount(NULL, "./config", "configfs", 0, NULL [pid 1129] setpgid(0, 0 [pid 1125] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1129] <... setpgid resumed>) = 0 [pid 1125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [ 31.191945][ T1115] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.191945][ T1115] 7) [pid 1129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1129] write(3, "1000", 4) = 4 [pid 1129] close(3) = 0 [pid 1129] write(1, "executing program\n", 18) = 18 [pid 1129] mkdirat(AT_FDCWD, "./config", 0777 [pid 1125] <... mkdirat resumed>) = 0 [pid 1129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1129] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 1129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1129] rmdir("./config/usb_gadget/g1") = 0 [pid 1129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1129] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1129] exit_group(0) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1130 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1129] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1125] rmdir("./config/usb_gadget/g1" executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1125] <... rmdir resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1130 attached [pid 1130] set_robust_list(0x555579e166a0, 24) = 0 [pid 1130] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] <... set_robust_list resumed>) = 0 [pid 1125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1130] setpgid(0, 0) = 0 [pid 1130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1125] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1125] exit_group(0 [pid 1130] <... openat resumed>) = 3 [pid 1130] write(3, "1000", 4) = 4 [pid 1125] <... exit_group resumed>) = ? [pid 1130] close(3) = 0 [pid 1130] write(1, "executing program\n", 18) = 18 [pid 1130] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1130] mount(NULL, "./config", "configfs", 0, NULL [pid 1125] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1127] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 1127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1127] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1131 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1131 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1130] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1131] set_robust_list(0x555579e166a0, 24 [pid 1127] <... setpgid resumed>) = 0 [pid 1131] <... set_robust_list resumed>) = 0 [pid 1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1130] <... mkdirat resumed>) = 0 [pid 1130] rmdir("./config/usb_gadget/g1") = 0 [pid 1130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1130] exit_group(0) = ? [pid 1127] <... openat resumed>) = 3 [pid 305] <... restart_syscall resumed>) = 0 [pid 1127] write(3, "1000", 4) = 4 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1127] close(3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1127] <... close resumed>) = 0 [pid 1130] +++ exited with 0 +++ [pid 1127] write(1, "executing program\n", 18 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1132 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1127] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1132 attached executing program [pid 1127] mkdirat(AT_FDCWD, "./config", 0777 [pid 1132] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1127] mount(NULL, "./config", "configfs", 0, NULL [pid 1132] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1127] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1132] setpgid(0, 0) = 0 [pid 1132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1133 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1132] <... openat resumed>) = 3 [pid 1132] write(3, "1000", 4) = 4 [pid 1132] close(3) = 0 [pid 1132] write(1, "executing program\n", 18) = 18 [pid 1132] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1132] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1133 attached [pid 1133] set_robust_list(0x555579e166a0, 24) = 0 [pid 1133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1133] setpgid(0, 0 [pid 1127] <... mkdirat resumed>) = 0 [pid 1132] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1132] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 1127] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1132] <... rmdir resumed>) = 0 [pid 1132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1132] exit_group(0) = ? [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1134 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1132] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1127] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1133] <... setpgid resumed>) = 0 [pid 1133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1131] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1127] exit_group(0) = ? [pid 1133] <... openat resumed>) = 3 [pid 1133] write(3, "1000", 4) = 4 [pid 1133] close(3) = 0 [pid 1133] write(1, "executing program\n", 18 [pid 1127] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1133] <... write resumed>) = 18 [pid 1133] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1133] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1133] rmdir("./config/usb_gadget/g1" [pid 1131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1133] <... rmdir resumed>) = 0 [pid 1133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1133] exit_group(0) = ? executing program [pid 1131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1133] +++ exited with 0 +++ [pid 1131] <... prctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1131] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 1134 attached [pid 1134] set_robust_list(0x555579e166a0, 24) = 0 [pid 1131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1134] setpgid(0, 0) = 0 [pid 1134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1131] <... openat resumed>) = 3 [pid 1134] <... openat resumed>) = 3 [pid 1134] write(3, "1000", 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 1131] write(3, "1000", 4 [pid 1134] <... write resumed>) = 4 [pid 1131] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1131] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1131] <... close resumed>) = 0 [pid 1134] close(3) = 0 [pid 1134] write(1, "executing program\n", 18) = 18 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1135 [pid 1131] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1131] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1131] mkdirat(AT_FDCWD, "./config", 0777 [pid 1134] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1134] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1136 [pid 1131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1134] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 1131] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1131] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1134] <... mkdirat resumed>) = 0 [pid 1134] rmdir("./config/usb_gadget/g1") = 0 [pid 1134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1134] exit_group(0) = ? [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1137 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1134] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1135 attached [pid 1135] set_robust_list(0x555579e166a0, 24) = 0 [pid 1135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1135] setpgid(0, 0) = 0 [pid 1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1135] write(3, "1000", 4) = 4 [pid 1135] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1135] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1135] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1137 attached ) = -1 EEXIST (File exists) [pid 1135] mount(NULL, "./config", "configfs", 0, NULL [pid 1137] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1138 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1131] <... mkdirat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1137] <... set_robust_list resumed>) = 0 executing program [pid 1131] rmdir("./config/usb_gadget/g1" [pid 1137] rt_sigprocmask(SIG_SETMASK, [] [pid 1135] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1135] rmdir("./config/usb_gadget/g1" [pid 1137] <... prctl resumed>) = 0 [pid 1137] setpgid(0, 0) = 0 [pid 1137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1137] write(3, "1000", 4 [pid 1131] <... rmdir resumed>) = 0 [pid 1135] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1135] exit_group(0 [pid 1131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1135] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1136 attached [pid 1131] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1137] <... write resumed>) = 4 [pid 1137] close(3) = 0 [pid 1137] write(1, "executing program\n", 18) = 18 executing program [pid 1136] set_robust_list(0x555579e166a0, 24 [pid 1131] exit_group(0) = ? [pid 1136] <... set_robust_list resumed>) = 0 [pid 1137] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1137] mount(NULL, "./config", "configfs", 0, NULL [pid 1131] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1137] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1135] +++ exited with 0 +++ [pid 1137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1137] <... mkdirat resumed>) = 0 [pid 1137] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1138 attached ) = 0 [pid 1137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1137] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 1137] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1137, 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 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1138] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1139 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1138] rt_sigprocmask(SIG_SETMASK, [] [pid 1136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1138] setpgid(0, 0) = 0 [pid 1136] <... prctl resumed>) = 0 [pid 1138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1136] setpgid(0, 0) = 0 [pid 1138] <... openat resumed>) = 3 [pid 1138] write(3, "1000", 4 [pid 1136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1138] <... write resumed>) = 4 [pid 1138] close(3) = 0 [pid 1138] write(1, "executing program\n", 18) = 18 executing program [pid 1138] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 1136] <... openat resumed>) = 3 [pid 1138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1136] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1138] mount(NULL, "./config", "configfs", 0, NULL [pid 1136] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1136] close(3 [pid 1138] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1136] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1140 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1136] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1136] <... write resumed>) = 18 [pid 1138] <... mkdirat resumed>) = 0 [pid 1138] rmdir("./config/usb_gadget/g1") = 0 [pid 1138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1138] exit_group(0) = ? [pid 1138] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1139 attached [pid 1139] set_robust_list(0x555579e166a0, 24) = 0 [pid 1139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1136] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1136] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1141 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1139] setpgid(0, 0) = 0 [pid 1139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1136] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1142 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1136] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1139] <... openat resumed>) = 3 [pid 1139] write(3, "1000", 4) = 4 [pid 1139] close(3ci2-android-5-15/strace-static-x86_64: Process 1140 attached ) = 0 [pid 1136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1139] write(1, "executing program\n", 18) = 18 executing program [pid 1139] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1139] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1142 attached [pid 1142] set_robust_list(0x555579e166a0, 24) = 0 [pid 1142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1142] setpgid(0, 0) = 0 [pid 1142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1142] write(3, "1000", 4) = 4 [pid 1142] close(3 [pid 1139] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1136] <... mkdirat resumed>) = 0 [pid 1139] rmdir("./config/usb_gadget/g1" [pid 1136] rmdir("./config/usb_gadget/g1" [pid 1140] set_robust_list(0x555579e166a0, 24) = 0 [pid 1139] <... rmdir resumed>) = 0 [pid 1139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1139] exit_group(0) = ? [pid 1136] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1136] exit_group(0) = ? [pid 1139] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1142] <... close resumed>) = 0 [pid 1142] write(1, "executing program\n", 18) = 18 [pid 1142] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1141 attached [pid 1136] +++ exited with 0 +++ executing program [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1141] set_robust_list(0x555579e166a0, 24 [pid 1142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1141] <... set_robust_list resumed>) = 0 [pid 1140] rt_sigprocmask(SIG_SETMASK, [] [pid 1142] mount(NULL, "./config", "configfs", 0, NULL [pid 1140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1142] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1141] rt_sigprocmask(SIG_SETMASK, [] [pid 1140] <... prctl resumed>) = 0 [pid 1141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1140] setpgid(0, 0 [pid 1141] <... prctl resumed>) = 0 [pid 1140] <... setpgid resumed>) = 0 [pid 1142] <... mkdirat resumed>) = 0 [pid 1142] rmdir("./config/usb_gadget/g1") = 0 [pid 1142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1142] exit_group(0) = ? [pid 1142] +++ exited with 0 +++ [pid 1141] setpgid(0, 0 [pid 1140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1141] <... setpgid resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 1141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1140] <... openat resumed>) = 3 [pid 1141] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1141] write(3, "1000", 4 [pid 1140] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1143 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1143 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1141] <... write resumed>) = 4 [pid 1140] <... write resumed>) = 4 [pid 1141] close(3 [pid 1140] close(3 [pid 1143] set_robust_list(0x555579e166a0, 24 [pid 1140] <... close resumed>) = 0 [pid 1143] <... set_robust_list resumed>) = 0 [pid 1141] <... close resumed>) = 0 [pid 1141] write(1, "executing program\n", 18 [pid 1140] write(1, "executing program\n", 18 [pid 1143] rt_sigprocmask(SIG_SETMASK, [] [pid 1141] <... write resumed>) = 18 executing program executing program [pid 1140] <... write resumed>) = 18 [pid 1140] mkdirat(AT_FDCWD, "./config", 0777 [pid 1143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1141] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1140] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1141] mount(NULL, "./config", "configfs", 0, NULL [pid 1143] <... prctl resumed>) = 0 [pid 1140] mount(NULL, "./config", "configfs", 0, NULL [pid 1141] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1140] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1143] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1144 attached [pid 1144] set_robust_list(0x555579e166a0, 24) = 0 [pid 1144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1144 [pid 1144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1144] setpgid(0, 0) = 0 [pid 1144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1144] write(3, "1000", 4) = 4 [pid 1144] close(3) = 0 [pid 1144] write(1, "executing program\n", 18) = 18 [pid 1144] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1144] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1145 [pid 1144] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1141] <... mkdirat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1141] rmdir("./config/usb_gadget/g1" [pid 1140] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1140] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1145 attached [pid 1145] set_robust_list(0x555579e166a0, 24) = 0 [pid 1145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1145] setpgid(0, 0) = 0 [pid 1145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1145] write(3, "1000", 4) = 4 [pid 1145] close(3 [pid 1141] <... rmdir resumed>) = 0 executing program [pid 1141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1143] <... setpgid resumed>) = 0 [pid 1141] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1144] <... mkdirat resumed>) = 0 [pid 1144] rmdir("./config/usb_gadget/g1") = 0 [pid 1144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1144] exit_group(0) = ? [pid 1144] +++ exited with 0 +++ [pid 1140] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1141] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1141] <... exit_group resumed>) = ? [pid 1140] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1145] <... close resumed>) = 0 [pid 1140] exit_group(0 [pid 1145] write(1, "executing program\n", 18 [pid 1140] <... exit_group resumed>) = ? [pid 1145] <... write resumed>) = 18 [pid 1145] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1145] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1140] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1141] +++ exited with 0 +++ [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1145] <... mkdirat resumed>) = 0 [pid 1145] rmdir("./config/usb_gadget/g1") = 0 [pid 1145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1145] exit_group(0) = ? executing program [pid 1145] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1143] write(3, "1000", 4) = 4 [pid 1143] close(3) = 0 [pid 1143] write(1, "executing program\n", 18) = 18 executing program [pid 1143] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1143] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1143] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall 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 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1146 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1147 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1143] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1146 attached ci2-android-5-15/strace-static-x86_64: Process 1147 attached [pid 1147] set_robust_list(0x555579e166a0, 24 [pid 1143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1146] set_robust_list(0x555579e166a0, 24 [pid 1147] <... set_robust_list resumed>) = 0 [pid 1146] <... set_robust_list resumed>) = 0 [pid 1143] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1146] rt_sigprocmask(SIG_SETMASK, [] [pid 1143] exit_group(0 [pid 1146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1143] <... exit_group resumed>) = ? [pid 1146] <... prctl resumed>) = 0 [pid 1147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1147] setpgid(0, 0) = 0 [pid 1147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1143] +++ exited with 0 +++ [pid 1146] setpgid(0, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1147] <... openat resumed>) = 3 [pid 1147] write(3, "1000", 4 [pid 1146] <... setpgid resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1146] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1146] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1148 [pid 1146] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1149 [pid 1146] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1146] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 1149 attached [pid 1146] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1149] set_robust_list(0x555579e166a0, 24 [pid 1146] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1150 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1150 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1147] <... write resumed>) = 4 [pid 1147] close(3) = 0 executing program [pid 1147] write(1, "executing program\n", 18) = 18 [pid 1147] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1146] mount(NULL, "./config", "configfs", 0, NULL [pid 1147] mount(NULL, "./config", "configfs", 0, NULL [pid 1146] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1147] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1146] <... mkdirat resumed>) = 0 [pid 1147] rmdir("./config/usb_gadget/g1") = 0 [pid 1147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1147] exit_group(0) = ? [pid 1147] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1146] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1148 attached [pid 1148] set_robust_list(0x555579e166a0, 24) = 0 [pid 1148] rt_sigprocmask(SIG_SETMASK, [] [pid 1146] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1150] set_robust_list(0x555579e166a0, 24 [pid 1149] <... set_robust_list resumed>) = 0 [pid 1146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1146] exit_group(0 [pid 1148] <... prctl resumed>) = 0 [pid 1146] <... exit_group resumed>) = ? [pid 1148] setpgid(0, 0) = 0 [pid 1148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1148] write(3, "1000", 4 [pid 1146] +++ exited with 0 +++ [pid 1148] <... write resumed>) = 4 [pid 1148] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1148] <... close resumed>) = 0 [pid 1149] rt_sigprocmask(SIG_SETMASK, [] [pid 1148] write(1, "executing program\n", 18) = 18 [pid 1148] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1148] mount(NULL, "./config", "configfs", 0, NULL [pid 1150] <... set_robust_list resumed>) = 0 [pid 1149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... restart_syscall resumed>) = 0 [pid 1149] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1149] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1149] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1151 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1152 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1149] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1149] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1149] <... write resumed>) = 4 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1148] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1149] close(3 [pid 1150] rt_sigprocmask(SIG_SETMASK, [] [pid 1148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1149] <... close resumed>) = 0 [pid 1150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1149] write(1, "executing program\n", 18 [pid 1148] <... mkdirat resumed>) = 0 [pid 1148] rmdir("./config/usb_gadget/g1" [pid 1149] <... write resumed>) = 18 executing program [pid 1149] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1149] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1150] <... prctl resumed>) = 0 [pid 1149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1148] <... rmdir resumed>) = 0 [pid 1148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1148] exit_group(0) = ? [pid 1148] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1151 attached ci2-android-5-15/strace-static-x86_64: Process 1152 attached [pid 1152] set_robust_list(0x555579e166a0, 24 [pid 1151] set_robust_list(0x555579e166a0, 24) = 0 [pid 1152] <... set_robust_list resumed>) = 0 [pid 1151] rt_sigprocmask(SIG_SETMASK, [] [pid 1152] rt_sigprocmask(SIG_SETMASK, [] [pid 1151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1149] <... mkdirat resumed>) = 0 [pid 1151] <... prctl resumed>) = 0 [pid 1151] setpgid(0, 0 [pid 1152] <... prctl resumed>) = 0 [pid 1151] <... setpgid resumed>) = 0 [pid 1152] setpgid(0, 0 [pid 1151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1150] setpgid(0, 0 [pid 1149] rmdir("./config/usb_gadget/g1" [pid 1152] <... setpgid resumed>) = 0 [pid 1152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1151] <... openat resumed>) = 3 [pid 1152] <... openat resumed>) = 3 [pid 1151] write(3, "1000", 4 [pid 1152] write(3, "1000", 4 [pid 1151] <... write resumed>) = 4 [pid 1152] <... write resumed>) = 4 [pid 1151] close(3 [pid 1152] close(3 [pid 1151] <... close resumed>) = 0 [pid 1152] <... close resumed>) = 0 [pid 1151] write(1, "executing program\n", 18 [pid 1152] write(1, "executing program\n", 18 [pid 1150] <... setpgid resumed>) = 0 [pid 1149] <... rmdir resumed>) = 0 [pid 1151] <... write resumed>) = 18 [pid 1152] <... write resumed>) = 18 [pid 1151] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 1149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1152] mkdirat(AT_FDCWD, "./config", 0777 [pid 1149] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1150] <... openat resumed>) = 3 [pid 1152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1149] exit_group(0 [pid 1150] write(3, "1000", 4 [pid 1151] mount(NULL, "./config", "configfs", 0, NULL [pid 1152] mount(NULL, "./config", "configfs", 0, NULL [pid 1150] <... write resumed>) = 4 [pid 1149] <... exit_group resumed>) = ? [pid 1151] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1152] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1149] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1150] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1150] <... close resumed>) = 0 [pid 1150] write(1, "executing program\n", 18 [pid 1152] <... mkdirat resumed>) = 0 [pid 1151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1151] rmdir("./config/usb_gadget/g1") = 0 [pid 1151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1151] exit_group(0) = ? [pid 1152] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1150] <... write resumed>) = 18 executing program [pid 1152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1152] exit_group(0) = ? [pid 1150] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1151] +++ exited with 0 +++ [pid 1152] +++ exited with 0 +++ [pid 1150] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1150] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1153 attached [pid 1153] set_robust_list(0x555579e166a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1153 [pid 1153] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1154 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1153] setpgid(0, 0) = 0 [pid 1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1153] write(3, "1000", 4) = 4 [pid 1153] close(3) = 0 [pid 1153] write(1, "executing program\n", 18) = 18 [pid 1153] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1153] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1154 attached [pid 1154] set_robust_list(0x555579e166a0, 24) = 0 [pid 1154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1154] setpgid(0, 0) = 0 [pid 1153] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1150] <... mkdirat resumed>) = 0 [pid 1153] rmdir("./config/usb_gadget/g1" [pid 1150] rmdir("./config/usb_gadget/g1" [pid 1153] <... rmdir resumed>) = 0 [pid 1153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1153] exit_group(0) = ? [pid 1150] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1153] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1150] exit_group(0 [pid 1154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1150] <... exit_group resumed>) = ? [pid 1154] <... openat resumed>) = 3 [pid 1154] write(3, "1000", 4) = 4 [pid 1154] close(3 [pid 1150] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1154] <... close resumed>) = 0 [pid 1154] write(1, "executing program\n", 18) = 18 executing program [pid 1154] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1154] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1155 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1155 attached [pid 1155] set_robust_list(0x555579e166a0, 24) = 0 [pid 1155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1155] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1155] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1155] write(3, "1000", 4) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1156 [pid 1155] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1155] <... close resumed>) = 0 [pid 1154] <... mkdirat resumed>) = 0 [pid 1155] write(1, "executing program\n", 18) = 18 executing program [pid 1155] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1155] mount(NULL, "./config", "configfs", 0, NULL [pid 1154] rmdir("./config/usb_gadget/g1" [pid 1155] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1156 attached [pid 1156] set_robust_list(0x555579e166a0, 24) = 0 [pid 1156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1154] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1154] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 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 1154] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1158 [pid 1154] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1157 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1155] <... mkdirat resumed>) = 0 [pid 1155] rmdir("./config/usb_gadget/g1") = 0 [pid 1155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1155] exit_group(0) = ? [pid 1155] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1156] setpgid(0, 0 [pid 1154] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1157 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1156] <... setpgid resumed>) = 0 [pid 1156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1157] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1158 attached [pid 1158] set_robust_list(0x555579e166a0, 24) = 0 [pid 1158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1158] setpgid(0, 0 [pid 1156] <... openat resumed>) = 3 [pid 1158] <... setpgid resumed>) = 0 [pid 1158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1158] write(3, "1000", 4) = 4 [pid 1158] close(3) = 0 [pid 1158] write(1, "executing program\n", 18) = 18 executing program [pid 1158] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1158] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1157] <... set_robust_list resumed>) = 0 [pid 1156] write(3, "1000", 4 [pid 1157] rt_sigprocmask(SIG_SETMASK, [] [pid 1156] <... write resumed>) = 4 [pid 1158] <... mkdirat resumed>) = 0 [pid 1158] rmdir("./config/usb_gadget/g1") = 0 [pid 1158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1158] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1156] close(3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1159 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1159 attached [pid 1157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1156] <... close resumed>) = 0 [pid 1157] <... prctl resumed>) = 0 [pid 1156] write(1, "executing program\n", 18 [pid 1157] setpgid(0, 0 [pid 1156] <... write resumed>) = 18 [pid 1157] <... setpgid resumed>) = 0 [pid 1156] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1159] set_robust_list(0x555579e166a0, 24 [pid 1157] <... openat resumed>) = 3 [pid 1156] mount(NULL, "./config", "configfs", 0, NULL [pid 1157] write(3, "1000", 4 [pid 1158] +++ exited with 0 +++ [pid 1156] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1157] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1159] <... set_robust_list resumed>) = 0 [pid 1157] close(3 [pid 1156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1160 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1160 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 1157] <... close resumed>) = 0 [pid 1157] write(1, "executing program\n", 18) = 18 [pid 1156] <... mkdirat resumed>) = 0 [pid 1157] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1156] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1161 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1160] set_robust_list(0x555579e166a0, 24) = 0 [pid 1160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1157] mount(NULL, "./config", "configfs", 0, NULL [pid 1160] <... prctl resumed>) = 0 [pid 1156] <... rmdir resumed>) = 0 [pid 1160] setpgid(0, 0 [pid 1157] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1160] <... setpgid resumed>) = 0 [pid 1160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1156] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1160] write(3, "1000", 4) = 4 [pid 1160] close(3) = 0 [pid 1160] write(1, "executing program\n", 18) = 18 executing program [pid 1160] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1160] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1161 attached [pid 1161] set_robust_list(0x555579e166a0, 24) = 0 [pid 1161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1161] setpgid(0, 0) = 0 [pid 1161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1161] write(3, "1000", 4) = 4 [pid 1161] close(3) = 0 [pid 1161] write(1, "executing program\n", 18) = 18 [pid 1157] <... mkdirat resumed>) = 0 [pid 1160] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1156] exit_group(0 executing program [pid 1157] rmdir("./config/usb_gadget/g1" [pid 1160] rmdir("./config/usb_gadget/g1") = 0 [pid 1160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1160] exit_group(0) = ? [pid 1157] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1156] <... exit_group resumed>) = ? [pid 1160] +++ exited with 0 +++ [pid 1157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1161] mkdirat(AT_FDCWD, "./config", 0777 [pid 1156] +++ exited with 0 +++ [pid 1161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1157] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1161] mount(NULL, "./config", "configfs", 0, NULL [pid 1157] exit_group(0 [pid 1159] rt_sigprocmask(SIG_SETMASK, [] [pid 1157] <... exit_group resumed>) = ? [pid 1161] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1161] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 1161] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1161] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1161] exit_group(0) = ? [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1162 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1157] +++ exited with 0 +++ [pid 1161] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1162 attached [pid 1162] set_robust_list(0x555579e166a0, 24) = 0 [pid 1159] <... prctl resumed>) = 0 [pid 1159] setpgid(0, 0 [pid 1162] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 1159] <... setpgid resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1159] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1159] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1164 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1163 [pid 1159] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1159] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1164 attached [pid 1159] <... close resumed>) = 0 [pid 1159] write(1, "executing program\n", 18 executing program [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1159] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1164] set_robust_list(0x555579e166a0, 24 [pid 1159] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1165 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1165 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1159] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1159] mount(NULL, "./config", "configfs", 0, NULL [pid 1162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1159] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1162] <... prctl resumed>) = 0 [pid 1159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1162] setpgid(0, 0) = 0 [pid 1162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1165] set_robust_list(0x555579e166a0, 24 [pid 1164] <... set_robust_list resumed>) = 0 [pid 1159] <... mkdirat resumed>) = 0 [pid 1162] <... openat resumed>) = 3 [pid 1162] write(3, "1000", 4) = 4 [pid 1162] close(3) = 0 [pid 1162] write(1, "executing program\n", 18) = 18 [pid 1162] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1162] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1159] rmdir("./config/usb_gadget/g1" [pid 1162] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1162] rmdir("./config/usb_gadget/g1" [pid 1159] <... rmdir resumed>) = 0 [pid 1162] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1164] rt_sigprocmask(SIG_SETMASK, [] [pid 1165] <... set_robust_list resumed>) = 0 [pid 1159] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1162] exit_group(0 [pid 1159] exit_group(0 [pid 1162] <... exit_group resumed>) = ? [pid 1159] <... exit_group resumed>) = ? [pid 1159] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1162] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1163 attached [pid 1163] set_robust_list(0x555579e166a0, 24) = 0 [pid 1163] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1163] setpgid(0, 0) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1164] <... prctl resumed>) = 0 [pid 1163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1164] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1164] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1163] <... openat resumed>) = 3 [pid 1163] write(3, "1000", 4) = 4 [pid 1163] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1166 [pid 1163] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1163] write(1, "executing program\n", 18) = 18 [pid 1164] <... openat resumed>) = 3 [pid 1163] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1163] mount(NULL, "./config", "configfs", 0, NULL [pid 1165] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] write(3, "1000", 4 [pid 1163] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1164] <... write resumed>) = 4 [pid 1165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1164] close(3 [pid 1165] <... prctl resumed>) = 0 [pid 1164] <... close resumed>) = 0 [pid 1163] <... mkdirat resumed>) = 0 [pid 1163] rmdir("./config/usb_gadget/g1" [pid 1164] write(1, "executing program\n", 18) = 18 [pid 1164] mkdirat(AT_FDCWD, "./config", 0777 [pid 1165] setpgid(0, 0 executing program [pid 1164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1164] mount(NULL, "./config", "configfs", 0, NULL [pid 1165] <... setpgid resumed>) = 0 [pid 1164] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1163] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1166 attached [pid 1165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1167 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1163] exit_group(0) = ? [pid 1163] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1164] <... mkdirat resumed>) = 0 [pid 1166] set_robust_list(0x555579e166a0, 24 [pid 1165] <... openat resumed>) = 3 [pid 1164] rmdir("./config/usb_gadget/g1" [pid 1166] <... set_robust_list resumed>) = 0 [pid 1166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1166] setpgid(0, 0) = 0 [pid 1166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1166] write(3, "1000", 4) = 4 [pid 1166] close(3) = 0 [pid 1166] write(1, "executing program\n", 18) = 18 [pid 1166] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1164] <... rmdir resumed>) = 0 [pid 1165] write(3, "1000", 4 [pid 1166] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1167 attached [pid 1165] <... write resumed>) = 4 [pid 1164] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1167] set_robust_list(0x555579e166a0, 24) = 0 [pid 1167] rt_sigprocmask(SIG_SETMASK, [] [pid 1166] <... mkdirat resumed>) = 0 [pid 1167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1167] setpgid(0, 0) = 0 [pid 1167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1166] rmdir("./config/usb_gadget/g1" [pid 1164] exit_group(0 [pid 1165] close(3 [pid 1164] <... exit_group resumed>) = ? [pid 1166] <... rmdir resumed>) = 0 [pid 1164] +++ exited with 0 +++ [pid 1167] <... openat resumed>) = 3 [pid 1167] write(3, "1000", 4) = 4 [pid 1167] close(3) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1167] write(1, "executing program\n", 18) = 18 [pid 1167] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1167] mount(NULL, "./config", "configfs", 0, NULL [pid 1165] <... close resumed>) = 0 executing program [pid 1167] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1165] write(1, "executing program\n", 18 [pid 1166] exit_group(0 [pid 1165] <... write resumed>) = 18 executing program [pid 1167] <... mkdirat resumed>) = 0 [pid 1167] rmdir("./config/usb_gadget/g1") = 0 [pid 1167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1167] exit_group(0) = ? [pid 1165] mkdirat(AT_FDCWD, "./config", 0777 [pid 1167] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1166] <... exit_group resumed>) = ? [pid 1165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1165] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1166] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [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 1165] <... mkdirat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1169 attached ci2-android-5-15/strace-static-x86_64: Process 1168 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1168 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1169 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1168] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1169] set_robust_list(0x555579e166a0, 24 [pid 1168] <... set_robust_list resumed>) = 0 [pid 1165] rmdir("./config/usb_gadget/g1" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1170 attached [pid 1169] <... set_robust_list resumed>) = 0 [pid 1168] rt_sigprocmask(SIG_SETMASK, [] [pid 1165] <... rmdir resumed>) = 0 [pid 1169] rt_sigprocmask(SIG_SETMASK, [] [pid 1168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1165] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1170 [pid 1169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1168] <... prctl resumed>) = 0 [pid 1165] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1171 ci2-android-5-15/strace-static-x86_64: Process 1171 attached [pid 1170] set_robust_list(0x555579e166a0, 24 [pid 1169] <... prctl resumed>) = 0 [pid 1168] setpgid(0, 0 [pid 1165] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1169] setpgid(0, 0 [pid 1168] <... setpgid resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1171] set_robust_list(0x555579e166a0, 24) = 0 [pid 1170] <... set_robust_list resumed>) = 0 [pid 1165] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1169] <... setpgid resumed>) = 0 [pid 1168] <... openat resumed>) = 3 [pid 1169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1168] write(3, "1000", 4 [pid 1171] rt_sigprocmask(SIG_SETMASK, [] [pid 1168] <... write resumed>) = 4 [pid 1170] rt_sigprocmask(SIG_SETMASK, [] [pid 1169] <... openat resumed>) = 3 [pid 1168] close(3 [pid 1169] write(3, "1000", 4 [pid 1168] <... close resumed>) = 0 [pid 1171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1168] write(1, "executing program\n", 18 [pid 1169] <... write resumed>) = 4 [pid 1168] <... write resumed>) = 18 [pid 1170] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1168] mkdirat(AT_FDCWD, "./config", 0777 [pid 1169] close(3 [pid 1168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1169] <... close resumed>) = 0 [pid 1168] mount(NULL, "./config", "configfs", 0, NULL [pid 1170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1171] <... prctl resumed>) = 0 [pid 1169] write(1, "executing program\n", 18 [pid 1168] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1170] <... prctl resumed>) = 0 [pid 1169] <... write resumed>) = 18 [pid 1168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1171] setpgid(0, 0 [pid 1170] setpgid(0, 0 [pid 1171] <... setpgid resumed>) = 0 [pid 1170] <... setpgid resumed>) = 0 executing program [pid 1171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1169] mkdirat(AT_FDCWD, "./config", 0777 [pid 1168] <... mkdirat resumed>) = 0 [pid 1169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1168] rmdir("./config/usb_gadget/g1" [pid 1171] <... openat resumed>) = 3 [pid 1169] mount(NULL, "./config", "configfs", 0, NULL [pid 1168] <... rmdir resumed>) = 0 [pid 1169] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1171] write(3, "1000", 4 [pid 1170] <... openat resumed>) = 3 [pid 1169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1168] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1171] <... write resumed>) = 4 [pid 1171] close(3 [pid 1168] exit_group(0 [pid 1171] <... close resumed>) = 0 [pid 1171] write(1, "executing program\n", 18) = 18 executing program [pid 1171] mkdirat(AT_FDCWD, "./config", 0777 [pid 1170] write(3, "1000", 4 [pid 1169] <... mkdirat resumed>) = 0 [pid 1168] <... exit_group resumed>) = ? [pid 1171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1170] <... write resumed>) = 4 [pid 1169] rmdir("./config/usb_gadget/g1" [pid 1168] +++ exited with 0 +++ [pid 1170] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1171] mount(NULL, "./config", "configfs", 0, NULL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1170] <... close resumed>) = 0 [pid 1169] <... rmdir resumed>) = 0 [pid 1170] write(1, "executing program\n", 18 [pid 1169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1171] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1170] <... write resumed>) = 18 [pid 1169] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1170] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1169] exit_group(0 [pid 1170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1169] <... exit_group resumed>) = ? [pid 1170] mount(NULL, "./config", "configfs", 0, NULL [pid 1169] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1171] <... mkdirat resumed>) = 0 [pid 1170] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1171] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1170] rmdir("./config/usb_gadget/g1" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1172 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1173 [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 ci2-android-5-15/strace-static-x86_64: Process 1174 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1174 [pid 1174] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1170] <... rmdir resumed>) = 0 [pid 1171] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1174] <... set_robust_list resumed>) = 0 [pid 1174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1174] setpgid(0, 0) = 0 [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1170] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1172 attached [pid 1174] <... openat resumed>) = 3 [pid 1174] write(3, "1000", 4 [pid 1170] exit_group(0 [pid 1171] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1174] <... write resumed>) = 4 [pid 1174] close(3) = 0 [pid 1174] write(1, "executing program\n", 18) = 18 [pid 1174] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1174] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1174] rmdir("./config/usb_gadget/g1") = 0 [pid 1174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1173 attached [pid 1174] exit_group(0 [pid 1173] set_robust_list(0x555579e166a0, 24) = 0 [pid 1174] <... exit_group resumed>) = ? executing program [pid 1173] rt_sigprocmask(SIG_SETMASK, [] [pid 1174] +++ exited with 0 +++ [pid 1171] exit_group(0 [pid 1170] <... exit_group resumed>) = ? [pid 1172] set_robust_list(0x555579e166a0, 24 [pid 1173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1171] <... exit_group resumed>) = ? [pid 1173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1173] setpgid(0, 0) = 0 [pid 1173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1171] +++ exited with 0 +++ [pid 1170] +++ exited with 0 +++ [pid 1172] <... set_robust_list resumed>) = 0 [pid 1173] <... openat resumed>) = 3 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1172] rt_sigprocmask(SIG_SETMASK, [] [pid 1173] write(3, "1000", 4) = 4 [pid 1173] close(3) = 0 [pid 1173] write(1, "executing program\n", 18) = 18 executing program [pid 1173] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1173] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1173] rmdir("./config/usb_gadget/g1") = 0 [pid 1173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1173] exit_group(0) = ? [pid 1173] +++ exited with 0 +++ [pid 1172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1172] <... prctl resumed>) = 0 [pid 1172] setpgid(0, 0) = 0 [pid 1172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1172] write(3, "1000", 4) = 4 [pid 1172] close(3) = 0 executing program [pid 1172] write(1, "executing program\n", 18) = 18 [pid 1172] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1172] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1172] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1175 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1172] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1172] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1172] <... exit_group resumed>) = ? [pid 1172] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1176 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1177 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1178 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1176 attached [pid 1176] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 1177 attached [pid 1176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1178 attached [pid 1176] setpgid(0, 0) = 0 [pid 1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1178] set_robust_list(0x555579e166a0, 24) = 0 [pid 1178] rt_sigprocmask(SIG_SETMASK, [] [pid 1176] <... openat resumed>) = 3 [pid 1177] set_robust_list(0x555579e166a0, 24 [pid 1178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1176] write(3, "1000", 4 [pid 1178] setpgid(0, 0 [pid 1176] <... write resumed>) = 4 [pid 1178] <... setpgid resumed>) = 0 [pid 1177] <... set_robust_list resumed>) = 0 [pid 1176] close(3) = 0 [pid 1176] write(1, "executing program\n", 18) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 1175 attached [pid 1178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1176] mkdirat(AT_FDCWD, "./config", 0777 [pid 1177] rt_sigprocmask(SIG_SETMASK, [] [pid 1175] set_robust_list(0x555579e166a0, 24 [pid 1176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1175] <... set_robust_list resumed>) = 0 [pid 1175] rt_sigprocmask(SIG_SETMASK, [] [pid 1176] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1178] <... openat resumed>) = 3 [pid 1175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1178] write(3, "1000", 4 [pid 1175] <... prctl resumed>) = 0 [pid 1177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1176] <... mkdirat resumed>) = 0 [pid 1178] <... write resumed>) = 4 [pid 1175] setpgid(0, 0) = 0 [pid 1178] close(3 [pid 1175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1178] <... close resumed>) = 0 [pid 1178] write(1, "executing program\n", 18) = 18 [pid 1178] mkdirat(AT_FDCWD, "./config", 0777 [pid 1175] <... openat resumed>) = 3 [pid 1178] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1178] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1175] write(3, "1000", 4) = 4 [pid 1175] close(3 [pid 1178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1175] <... close resumed>) = 0 [pid 1178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1175] write(1, "executing program\n", 18 [pid 1177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1175] <... write resumed>) = 18 executing program [pid 1178] rmdir("./config/usb_gadget/g1") = 0 [pid 1177] <... prctl resumed>) = 0 [pid 1175] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1175] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1176] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1177] setpgid(0, 0 [pid 1175] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall 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 1177] <... setpgid resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1179 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1179 attached [pid 1178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1175] rmdir("./config/usb_gadget/g1" [pid 1179] set_robust_list(0x555579e166a0, 24 [pid 1176] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1177] <... openat resumed>) = 3 [pid 1176] exit_group(0 [pid 1177] write(3, "1000", 4 [pid 1176] <... exit_group resumed>) = ? [pid 1179] <... set_robust_list resumed>) = 0 [pid 1177] <... write resumed>) = 4 [pid 1176] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1179] setpgid(0, 0) = 0 [pid 1179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1179] write(3, "1000", 4) = 4 [pid 1179] close(3) = 0 [pid 1179] write(1, "executing program\n", 18) = 18 [pid 1179] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1179] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1180 ci2-android-5-15/strace-static-x86_64: Process 1180 attached [pid 1178] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1177] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1180] set_robust_list(0x555579e166a0, 24 [pid 1178] exit_group(0 [pid 1177] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1180] <... set_robust_list resumed>) = 0 executing program [pid 1177] write(1, "executing program\n", 18 [pid 1180] rt_sigprocmask(SIG_SETMASK, [] [pid 1178] <... exit_group resumed>) = ? [pid 1177] <... write resumed>) = 18 [pid 1175] <... rmdir resumed>) = 0 [pid 1180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1179] <... mkdirat resumed>) = 0 [pid 1177] mkdirat(AT_FDCWD, "./config", 0777 [pid 1179] rmdir("./config/usb_gadget/g1") = 0 [pid 1180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1179] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1180] <... prctl resumed>) = 0 [pid 1179] exit_group(0 [pid 1177] mount(NULL, "./config", "configfs", 0, NULL [pid 1179] <... exit_group resumed>) = ? [pid 1180] setpgid(0, 0 [pid 1179] +++ exited with 0 +++ [pid 1177] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1180] <... setpgid resumed>) = 0 [pid 1177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1175] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1178] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1178, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1177] <... mkdirat resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1180] <... openat resumed>) = 3 [pid 1175] exit_group(0) = ? [pid 1180] write(3, "1000", 4 [pid 1177] rmdir("./config/usb_gadget/g1" [pid 1175] +++ exited with 0 +++ [pid 1180] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1175, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1180] close(3 [pid 1177] <... rmdir resumed>) = 0 [pid 1180] <... close resumed>) = 0 [pid 1180] write(1, "executing program\n", 18) = 18 [pid 1180] mkdirat(AT_FDCWD, "./config", 0777 [pid 1177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1180] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1177] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1177] exit_group(0 [pid 1180] <... mkdirat resumed>) = 0 [pid 1177] <... exit_group resumed>) = ? [pid 1180] rmdir("./config/usb_gadget/g1") = 0 [pid 1180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1180] exit_group(0) = ? [pid 1180] +++ exited with 0 +++ [pid 1177] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1181 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1181 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1181] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1182 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1182 [pid 1181] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... 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 1181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1181] setpgid(0, 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1183 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1181] <... setpgid resumed>) = 0 [pid 1181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1181] write(3, "1000", 4) = 4 [pid 1181] close(3) = 0 [pid 1181] write(1, "executing program\n", 18) = 18 [pid 1181] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1184 executing program [pid 1181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1181] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1185 attached ci2-android-5-15/strace-static-x86_64: Process 1183 attached [pid 1182] set_robust_list(0x555579e166a0, 24 [pid 1181] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1185 [pid 1181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1185] set_robust_list(0x555579e166a0, 24 [pid 1183] set_robust_list(0x555579e166a0, 24 [pid 1182] <... set_robust_list resumed>) = 0 [pid 1181] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1181] rmdir("./config/usb_gadget/g1" [pid 1185] <... set_robust_list resumed>) = 0 [pid 1183] <... set_robust_list resumed>) = 0 [pid 1182] rt_sigprocmask(SIG_SETMASK, [] [pid 1181] <... rmdir resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1181] exit_group(0) = ? [pid 1185] rt_sigprocmask(SIG_SETMASK, [] [pid 1183] rt_sigprocmask(SIG_SETMASK, [] [pid 1182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1181] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1184 attached [pid 1184] set_robust_list(0x555579e166a0, 24) = 0 [pid 1184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1184] <... prctl resumed>) = 0 [pid 1184] setpgid(0, 0) = 0 [pid 1184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1182] <... prctl resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1184] <... openat resumed>) = 3 [pid 1183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1182] setpgid(0, 0 [pid 1184] write(3, "1000", 4) = 4 [pid 1184] close(3) = 0 [pid 1184] write(1, "executing program\n", 18 [pid 1185] <... prctl resumed>) = 0 [pid 1182] <... setpgid resumed>) = 0 [pid 1184] <... write resumed>) = 18 [pid 1184] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1184] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1185] setpgid(0, 0 [pid 1184] <... mkdirat resumed>) = 0 [pid 1183] <... prctl resumed>) = 0 [pid 1182] <... openat resumed>) = 3 [pid 1184] rmdir("./config/usb_gadget/g1") = 0 [pid 1184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1184] exit_group(0) = ? [pid 1185] <... setpgid resumed>) = 0 [pid 1184] +++ exited with 0 +++ [pid 1183] setpgid(0, 0 [pid 1182] write(3, "1000", 4) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1183] <... setpgid resumed>) = 0 [pid 1182] close(3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1185] <... openat resumed>) = 3 [pid 1182] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1185] write(3, "1000", 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1185] <... write resumed>) = 4 [pid 1185] close(3) = 0 [pid 1185] write(1, "executing program\n", 18) = 18 [pid 1185] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1186 [pid 1185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1185] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1185] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 1182] write(1, "executing program\n", 18 [pid 1185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1182] <... write resumed>) = 18 [pid 1185] <... mkdirat resumed>) = 0 [pid 1183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1182] mkdirat(AT_FDCWD, "./config", 0777 [pid 1185] rmdir("./config/usb_gadget/g1") = 0 [pid 1185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1185] exit_group(0) = ? [pid 1185] +++ exited with 0 +++ [pid 1182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 1183] <... openat resumed>) = 3 [pid 1182] mount(NULL, "./config", "configfs", 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1186 attached [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1186] set_robust_list(0x555579e166a0, 24 [pid 1182] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1186] <... set_robust_list resumed>) = 0 [pid 1182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 1186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1186] setpgid(0, 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1187 [pid 1186] <... setpgid resumed>) = 0 [pid 1186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1186] <... openat resumed>) = 3 [pid 1186] write(3, "1000", 4) = 4 [pid 1186] close(3) = 0 [pid 1186] write(1, "executing program\n", 18) = 18 [pid 1186] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1186] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1188 ci2-android-5-15/strace-static-x86_64: Process 1187 attached [pid 1187] set_robust_list(0x555579e166a0, 24) = 0 [pid 1187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1187] <... setpgid resumed>) = 0 [pid 1187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1182] <... mkdirat resumed>) = 0 [pid 1186] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1186] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1188 attached ) = 0 [pid 1183] write(3, "1000", 4 [pid 1182] rmdir("./config/usb_gadget/g1" [pid 1186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1186] exit_group(0) = ? [pid 1188] set_robust_list(0x555579e166a0, 24 [pid 1186] +++ exited with 0 +++ [pid 1183] <... write resumed>) = 4 [pid 1182] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1188] <... set_robust_list resumed>) = 0 [pid 1187] <... openat resumed>) = 3 [pid 1183] close(3 [pid 1182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1187] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1182] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1187] <... write resumed>) = 4 [pid 1187] close(3) = 0 [pid 1187] write(1, "executing program\n", 18 executing program [pid 1182] exit_group(0 [pid 1187] <... write resumed>) = 18 [pid 1187] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1187] mount(NULL, "./config", "configfs", 0, NULL [pid 1188] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1183] <... close resumed>) = 0 [pid 1182] <... exit_group resumed>) = ? [pid 1187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1187] rmdir("./config/usb_gadget/g1") = 0 [pid 1187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1187] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 1187] +++ exited with 0 +++ [pid 1182] +++ exited with 0 +++ [pid 1188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1183] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1183] <... write resumed>) = 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1188] setpgid(0, 0) = 0 [pid 1183] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1189 [pid 1188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1188] <... openat resumed>) = 3 [pid 1183] mount(NULL, "./config", "configfs", 0, NULL [pid 1188] write(3, "1000", 4 [pid 1183] <... mount resumed>) = -1 EBUSY (Device or resource busy) [ 31.444343][ T1176] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.444343][ T1176] 7) [ 31.455914][ T1178] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.455914][ T1178] 7) [pid 1188] <... write resumed>) = 4 [pid 1183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1188] close(3) = 0 [pid 1188] write(1, "executing program\n", 18) = 18 [pid 1188] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1188] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1189 attached [pid 1189] set_robust_list(0x555579e166a0, 24) = 0 [pid 1189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1189] setpgid(0, 0) = 0 [pid 1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1183] <... mkdirat resumed>) = 0 [pid 1188] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1188] rmdir("./config/usb_gadget/g1") = 0 [pid 1183] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 1188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1188] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1188] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1188] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1189] write(3, "1000", 4) = 4 [pid 1189] close(3) = 0 [pid 1189] write(1, "executing program\n", 18) = 18 [pid 1189] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1190 [pid 1189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1189] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1189] <... mkdirat resumed>) = 0 [pid 1189] rmdir("./config/usb_gadget/g1" [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1191 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1189] <... rmdir resumed>) = 0 [pid 1189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1189] exit_group(0) = ? [pid 1189] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1190 attached [pid 1190] set_robust_list(0x555579e166a0, 24) = 0 [pid 1190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1183] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1190] setpgid(0, 0) = 0 [pid 1190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1190] <... openat resumed>) = 3 [pid 1183] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1190] write(3, "1000", 4) = 4 [pid 1190] close(3) = 0 [pid 1190] write(1, "executing program\n", 18) = 18 executing program [pid 1190] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1190] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1191 attached [pid 1183] exit_group(0 [pid 1190] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1183] <... exit_group resumed>) = ? [pid 1190] <... mkdirat resumed>) = 0 [pid 1190] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 1190] <... rmdir resumed>) = 0 [pid 1190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1190] exit_group(0 [pid 1183] +++ exited with 0 +++ [pid 1190] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1190] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1191] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1192 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1191] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 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] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1191] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1193 attached [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1193 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1191] setpgid(0, 0) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1194 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1193] set_robust_list(0x555579e166a0, 24 [pid 1191] write(3, "1000", 4 [pid 1193] <... set_robust_list resumed>) = 0 [pid 1191] <... write resumed>) = 4 [pid 1191] close(3) = 0 [pid 1191] write(1, "executing program\n", 18) = 18 [pid 1191] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1193] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1194 attached ci2-android-5-15/strace-static-x86_64: Process 1192 attached [pid 305] <... restart_syscall resumed>) = 0 [pid 1191] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1191] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1191] <... mkdirat resumed>) = 0 [pid 1191] rmdir("./config/usb_gadget/g1") = 0 [pid 1191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1191] exit_group(0) = ? [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1195 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1191] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1194] set_robust_list(0x555579e166a0, 24 [pid 1193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1192] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1195 attached [pid 1195] set_robust_list(0x555579e166a0, 24 [pid 1194] <... set_robust_list resumed>) = 0 [pid 1193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1192] <... set_robust_list resumed>) = 0 [pid 1195] <... set_robust_list resumed>) = 0 [pid 1195] rt_sigprocmask(SIG_SETMASK, [] [pid 1193] <... prctl resumed>) = 0 [pid 1195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1193] setpgid(0, 0 [pid 1192] rt_sigprocmask(SIG_SETMASK, [] [pid 1195] <... prctl resumed>) = 0 [pid 1195] setpgid(0, 0) = 0 [pid 1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1193] <... setpgid resumed>) = 0 [pid 1192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1195] <... openat resumed>) = 3 [pid 1195] write(3, "1000", 4 [pid 1193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1195] <... write resumed>) = 4 [pid 1195] close(3) = 0 [pid 1195] write(1, "executing program\n", 18) = 18 [pid 1193] <... openat resumed>) = 3 executing program [pid 1195] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1195] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1194] rt_sigprocmask(SIG_SETMASK, [] [pid 1193] write(3, "1000", 4 [pid 1192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1193] <... write resumed>) = 4 [pid 1192] <... prctl resumed>) = 0 [pid 1194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1193] close(3 [pid 1192] setpgid(0, 0 [pid 1193] <... close resumed>) = 0 [pid 1192] <... setpgid resumed>) = 0 [pid 1194] <... prctl resumed>) = 0 [pid 1195] <... mkdirat resumed>) = 0 executing program [pid 1195] rmdir("./config/usb_gadget/g1" [pid 1193] write(1, "executing program\n", 18) = 18 [pid 1192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1194] setpgid(0, 0 [pid 1193] mkdirat(AT_FDCWD, "./config", 0777 [pid 1194] <... setpgid resumed>) = 0 [pid 1193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1192] <... openat resumed>) = 3 [pid 1195] <... rmdir resumed>) = 0 [pid 1195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1195] exit_group(0) = ? [pid 1193] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1195] +++ exited with 0 +++ [pid 1194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1194] write(3, "1000", 4) = 4 [pid 1194] close(3) = 0 [pid 1194] write(1, "executing program\n", 18) = 18 [pid 1194] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1194] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1192] write(3, "1000", 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1192] <... write resumed>) = 4 [pid 1192] close(3) = 0 [pid 1192] write(1, "executing program\n", 18) = 18 [pid 1192] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1192] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1193] <... mkdirat resumed>) = 0 [pid 1194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1192] rmdir("./config/usb_gadget/g1" [pid 1194] rmdir("./config/usb_gadget/g1" [pid 1193] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1193] <... rmdir resumed>) = 0 [pid 1193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1193] exit_group(0) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1196 ci2-android-5-15/strace-static-x86_64: Process 1196 attached [pid 1193] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] set_robust_list(0x555579e166a0, 24 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1196] <... set_robust_list resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1192] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1194] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1192] exit_group(0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1197 [pid 1196] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1197 attached [pid 1196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1197] set_robust_list(0x555579e166a0, 24 [pid 1196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1197] <... set_robust_list resumed>) = 0 [pid 1194] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1196] <... prctl resumed>) = 0 [pid 1196] setpgid(0, 0 [pid 1192] <... exit_group resumed>) = ? [pid 1196] <... setpgid resumed>) = 0 [pid 1194] exit_group(0 [pid 1197] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1194] <... exit_group resumed>) = ? [pid 1192] +++ exited with 0 +++ [pid 1197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1196] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1196] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1196] <... write resumed>) = 4 [pid 1196] close(3) = 0 [pid 1197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] write(1, "executing program\n", 18 [pid 1194] +++ exited with 0 +++ [pid 1196] <... write resumed>) = 18 [pid 1197] <... prctl resumed>) = 0 executing program [pid 1197] setpgid(0, 0 [pid 1196] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1197] <... setpgid resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1196] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1197] <... openat resumed>) = 3 [pid 1196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1197] write(3, "1000", 4) = 4 [pid 1197] close(3) = 0 [pid 1197] write(1, "executing program\n", 18) = 18 executing program [pid 1197] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 1197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1197] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1196] <... mkdirat resumed>) = 0 [pid 1196] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1196] exit_group(0) = ? [pid 1196] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] 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 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1198 attached [pid 1197] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1198 [pid 1197] rmdir("./config/usb_gadget/g1") = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1197] exit_group(0) = ? [pid 1197] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1199 ci2-android-5-15/strace-static-x86_64: Process 1199 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1200 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1198] set_robust_list(0x555579e166a0, 24 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1198] <... set_robust_list resumed>) = 0 [pid 1199] set_robust_list(0x555579e166a0, 24) = 0 [pid 1198] rt_sigprocmask(SIG_SETMASK, [] [pid 1199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1199] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1200 attached [pid 1200] set_robust_list(0x555579e166a0, 24) = 0 [pid 1200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1199] setpgid(0, 0 [pid 1200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1200] setpgid(0, 0) = 0 [pid 1200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1199] <... setpgid resumed>) = 0 [pid 1198] <... prctl resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1200] <... openat resumed>) = 3 [pid 1199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1198] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1200] write(3, "1000", 4 [pid 1198] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1199] <... openat resumed>) = 3 [pid 1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1200] <... write resumed>) = 4 [pid 1200] close(3) = 0 [pid 1200] write(1, "executing program\n", 18) = 18 [pid 1200] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1201 [pid 1200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1200] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1199] write(3, "1000", 4 [pid 1198] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1200] rmdir("./config/usb_gadget/g1") = 0 [pid 1200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1202 [pid 1200] exit_group(0) = ? [pid 1200] +++ exited with 0 +++ [pid 1199] <... write resumed>) = 4 [pid 1198] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1199] close(3 [pid 1198] <... write resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1198] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1199] <... close resumed>) = 0 [pid 1198] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1201 attached [pid 1201] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 1202 attached [pid 1201] rt_sigprocmask(SIG_SETMASK, [] [pid 1199] write(1, "executing program\n", 18 [pid 1198] write(1, "executing program\n", 18 [pid 1201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program executing program [pid 1201] setpgid(0, 0) = 0 [pid 1202] set_robust_list(0x555579e166a0, 24 [pid 1199] <... write resumed>) = 18 [pid 1198] <... write resumed>) = 18 [pid 1201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1202] <... set_robust_list resumed>) = 0 [pid 1199] mkdirat(AT_FDCWD, "./config", 0777 [pid 1198] mkdirat(AT_FDCWD, "./config", 0777 [pid 1199] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1202] rt_sigprocmask(SIG_SETMASK, [] [pid 1201] <... openat resumed>) = 3 [pid 1199] mount(NULL, "./config", "configfs", 0, NULL [pid 1198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1201] write(3, "1000", 4) = 4 [pid 1199] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1198] mount(NULL, "./config", "configfs", 0, NULL [pid 1202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1198] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1201] close(3 [pid 1198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1201] <... close resumed>) = 0 [pid 1201] write(1, "executing program\n", 18) = 18 [pid 1201] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1201] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1199] <... mkdirat resumed>) = 0 [pid 1202] <... prctl resumed>) = 0 [pid 1198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1199] rmdir("./config/usb_gadget/g1" [pid 1202] setpgid(0, 0 [pid 1198] rmdir("./config/usb_gadget/g1" [pid 1202] <... setpgid resumed>) = 0 [pid 1202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1202] write(3, "1000", 4 [pid 1198] <... rmdir resumed>) = 0 [pid 1202] <... write resumed>) = 4 [pid 1198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1202] close(3 [pid 1198] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1202] <... close resumed>) = 0 [pid 1202] write(1, "executing program\n", 18 [pid 1201] <... mkdirat resumed>) = 0 [pid 1199] <... rmdir resumed>) = 0 [pid 1198] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1199] exit_group(0) = ? [pid 1199] +++ exited with 0 +++ [pid 1201] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1201] exit_group(0) = ? [pid 1201] +++ exited with 0 +++ [pid 1198] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1202] <... write resumed>) = 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1202] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1202] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1204 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1203 [pid 1198] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1203 attached , NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1203] set_robust_list(0x555579e166a0, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1203] <... set_robust_list resumed>) = 0 [pid 1203] rt_sigprocmask(SIG_SETMASK, [] [pid 1202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1202] <... mkdirat resumed>) = 0 [pid 1202] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1202] exit_group(0) = ? [pid 1203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1202] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1204 attached [pid 1204] set_robust_list(0x555579e166a0, 24) = 0 [pid 1204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1204] <... prctl resumed>) = 0 [pid 1204] setpgid(0, 0) = 0 [pid 1204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1205 [pid 1204] write(3, "1000", 4 [pid 1203] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1204] <... write resumed>) = 4 [pid 1203] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1204] close(3 [pid 1203] <... setpgid resumed>) = 0 [pid 1204] <... close resumed>) = 0 [pid 1204] write(1, "executing program\n", 18 [pid 1203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1204] <... write resumed>) = 18 [pid 1204] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1204] mount(NULL, "./config", "configfs", 0, NULL [pid 1203] <... openat resumed>) = 3 [pid 1204] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1203] write(3, "1000", 4 [pid 1204] <... mkdirat resumed>) = 0 [pid 1203] <... write resumed>) = 4 [pid 1204] rmdir("./config/usb_gadget/g1") = 0 [pid 1204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1204] exit_group(0) = ? [pid 1203] close(3 [pid 1204] +++ exited with 0 +++ [pid 1203] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1203] write(1, "executing program\n", 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1203] <... write resumed>) = 18 executing program [pid 1203] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1205 attached [pid 1205] set_robust_list(0x555579e166a0, 24) = 0 [pid 1205] rt_sigprocmask(SIG_SETMASK, [] [pid 1203] mount(NULL, "./config", "configfs", 0, NULL [pid 1205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1203] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1205] <... prctl resumed>) = 0 [pid 1205] setpgid(0, 0) = 0 [pid 1203] <... mkdirat resumed>) = 0 [pid 1203] rmdir("./config/usb_gadget/g1" [pid 308] <... restart_syscall resumed>) = 0 [pid 1203] <... rmdir resumed>) = 0 [pid 1203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1203] exit_group(0) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1203] +++ exited with 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=1203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1206 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1206 [pid 1205] <... openat resumed>) = 3 [pid 1206] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1206] <... set_robust_list resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1205] write(3, "1000", 4) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1206] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [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 1205] close(3) = 0 [pid 1205] write(1, "executing program\n", 18) = 18 [pid 1205] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1205] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1207 attached [pid 1206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1205] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1207 [pid 1205] rmdir("./config/usb_gadget/g1") = 0 [pid 1205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1205] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1208 [pid 1205] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1208 attached [pid 1208] set_robust_list(0x555579e166a0, 24 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1208] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1206] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1207] set_robust_list(0x555579e166a0, 24 [pid 1206] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1207] <... set_robust_list resumed>) = 0 [pid 1206] <... setpgid resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 1208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1208] setpgid(0, 0) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1209 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1207] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1208] write(3, "1000", 4) = 4 [pid 1208] close(3 [pid 1207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1206] <... openat resumed>) = 3 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1210 [pid 1206] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1206] <... write resumed>) = 4 [pid 1207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1206] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1208] <... close resumed>) = 0 [pid 1207] <... prctl resumed>) = 0 [pid 1206] <... close resumed>) = 0 [pid 1208] write(1, "executing program\n", 18 [pid 1207] setpgid(0, 0 [pid 1206] write(1, "executing program\n", 18 [pid 1208] <... write resumed>) = 18 [pid 1207] <... setpgid resumed>) = 0 executing program executing program [pid 1206] <... write resumed>) = 18 [pid 1208] mkdirat(AT_FDCWD, "./config", 0777 [pid 1206] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1206] mount(NULL, "./config", "configfs", 0, NULL [pid 1208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1206] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1208] mount(NULL, "./config", "configfs", 0, NULL [pid 1206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1207] <... openat resumed>) = 3 [pid 1208] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1209 attached [pid 1209] set_robust_list(0x555579e166a0, 24) = 0 [pid 1209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1209] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1210 attached ) = 0 [pid 1210] set_robust_list(0x555579e166a0, 24 [pid 1209] setpgid(0, 0) = 0 [pid 1209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1210] <... set_robust_list resumed>) = 0 [pid 1210] rt_sigprocmask(SIG_SETMASK, [] [pid 1209] <... openat resumed>) = 3 [pid 1210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1206] <... mkdirat resumed>) = 0 [pid 1207] write(3, "1000", 4 [pid 1206] rmdir("./config/usb_gadget/g1" [pid 1208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1208] rmdir("./config/usb_gadget/g1" [pid 1210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1210] setpgid(0, 0 [pid 1209] write(3, "1000", 4 [pid 1210] <... setpgid resumed>) = 0 [pid 1209] <... write resumed>) = 4 [pid 1210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1209] close(3) = 0 [pid 1209] write(1, "executing program\n", 18) = 18 [pid 1206] <... rmdir resumed>) = 0 [pid 1207] <... write resumed>) = 4 [pid 1206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1208] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1207] close(3 [pid 1206] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1206] exit_group(0 [pid 1207] <... close resumed>) = 0 [pid 1206] <... exit_group resumed>) = ? [pid 1208] exit_group(0) = ? [pid 1208] +++ exited with 0 +++ [pid 1207] write(1, "executing program\n", 18 [pid 1206] +++ exited with 0 +++ executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1207] <... write resumed>) = 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1207] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 1207] mount(NULL, "./config", "configfs", 0, NULL [pid 1209] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1210] <... openat resumed>) = 3 [pid 1207] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [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=0x555579e16690) = 1212 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1209] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1211 [pid 1209] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1210] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1210] <... write resumed>) = 4 [pid 1210] close(3) = 0 [pid 1210] write(1, "executing program\n", 18) = 18 [pid 1209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1210] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1210] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1212 attached [pid 1212] set_robust_list(0x555579e166a0, 24) = 0 [pid 1212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1212] setpgid(0, 0) = 0 [pid 1212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1209] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1207] <... mkdirat resumed>) = 0 [pid 1209] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1211 attached [pid 1212] <... openat resumed>) = 3 [pid 1210] <... mkdirat resumed>) = 0 [pid 1209] <... rmdir resumed>) = 0 [pid 1207] rmdir("./config/usb_gadget/g1" [pid 1209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1212] write(3, "1000", 4 [pid 1211] set_robust_list(0x555579e166a0, 24 [pid 1210] rmdir("./config/usb_gadget/g1" [pid 1212] <... write resumed>) = 4 [pid 1211] <... set_robust_list resumed>) = 0 [pid 1212] close(3 [pid 1211] rt_sigprocmask(SIG_SETMASK, [] [pid 1212] <... close resumed>) = 0 [pid 1212] write(1, "executing program\n", 18) = 18 [pid 1211] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1212] mkdirat(AT_FDCWD, "./config", 0777 [pid 1211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1209] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1211] <... prctl resumed>) = 0 [pid 1210] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1209] exit_group(0 [pid 1207] <... rmdir resumed>) = 0 [pid 1210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1210] exit_group(0) = ? [pid 1212] mount(NULL, "./config", "configfs", 0, NULL [pid 1211] setpgid(0, 0 [pid 1209] <... exit_group resumed>) = ? [pid 1207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1210] +++ exited with 0 +++ [pid 1212] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1211] <... setpgid resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1207] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1209] +++ exited with 0 +++ [pid 1211] <... openat resumed>) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1211] write(3, "1000", 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1207] exit_group(0) = ? [pid 1211] <... write resumed>) = 4 [pid 1207] +++ exited with 0 +++ [pid 1212] <... mkdirat resumed>) = 0 [pid 1212] rmdir("./config/usb_gadget/g1" [pid 1211] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1211] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1212] <... rmdir resumed>) = 0 [pid 1211] write(1, "executing program\n", 18 [pid 1212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1212] exit_group(0) = ? executing program [pid 1212] +++ exited with 0 +++ [pid 1211] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1211] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1211] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1211] rmdir("./config/usb_gadget/g1") = 0 [pid 1211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1211] exit_group(0) = ? [pid 1211] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1213 ci2-android-5-15/strace-static-x86_64: Process 1215 attached ci2-android-5-15/strace-static-x86_64: Process 1214 attached ci2-android-5-15/strace-static-x86_64: Process 1213 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1214 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1215 [pid 1215] set_robust_list(0x555579e166a0, 24 [pid 1214] set_robust_list(0x555579e166a0, 24 [pid 1213] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1215] <... set_robust_list resumed>) = 0 [pid 1214] <... set_robust_list resumed>) = 0 [pid 1213] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1214] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1216 [pid 1214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1213] rt_sigprocmask(SIG_SETMASK, [] [pid 1214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1216 attached [pid 1215] rt_sigprocmask(SIG_SETMASK, [] [pid 1214] <... prctl resumed>) = 0 [pid 1213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1216] set_robust_list(0x555579e166a0, 24 [pid 1215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1214] setpgid(0, 0 [pid 1213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1216] <... set_robust_list resumed>) = 0 [pid 1215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1214] <... setpgid resumed>) = 0 [pid 1213] <... prctl resumed>) = 0 [pid 1216] rt_sigprocmask(SIG_SETMASK, [] [pid 1215] <... prctl resumed>) = 0 [pid 1214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1213] setpgid(0, 0 [pid 1216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1215] setpgid(0, 0 [pid 1214] <... openat resumed>) = 3 [pid 1213] <... setpgid resumed>) = 0 [pid 1216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1215] <... setpgid resumed>) = 0 [pid 1214] write(3, "1000", 4 [pid 1213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1216] <... prctl resumed>) = 0 [pid 1215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1214] <... write resumed>) = 4 [pid 1213] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1216] setpgid(0, 0 [pid 1215] <... openat resumed>) = 3 [pid 1214] close(3 [pid 1213] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1217 attached [pid 1216] <... setpgid resumed>) = 0 [pid 1215] write(3, "1000", 4 [pid 1214] <... close resumed>) = 0 [pid 1213] <... write resumed>) = 4 [pid 1217] set_robust_list(0x555579e166a0, 24 [pid 1216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1215] <... write resumed>) = 4 [pid 1214] write(1, "executing program\n", 18 executing program [pid 1213] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1217 [pid 1217] <... set_robust_list resumed>) = 0 [pid 1216] <... openat resumed>) = 3 [pid 1215] close(3 [pid 1214] <... write resumed>) = 18 [pid 1213] <... close resumed>) = 0 [pid 1216] write(3, "1000", 4 [pid 1215] <... close resumed>) = 0 [pid 1214] mkdirat(AT_FDCWD, "./config", 0777 [pid 1213] write(1, "executing program\n", 18 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1217] rt_sigprocmask(SIG_SETMASK, [] [pid 1216] <... write resumed>) = 4 [pid 1215] write(1, "executing program\n", 18 [pid 1214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1213] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1216] close(3 [pid 1215] <... write resumed>) = 18 [pid 1214] mount(NULL, "./config", "configfs", 0, NULL [pid 1213] mkdirat(AT_FDCWD, "./config", 0777 [pid 1217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1216] <... close resumed>) = 0 [pid 1215] mkdirat(AT_FDCWD, "./config", 0777 [pid 1214] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1217] <... prctl resumed>) = 0 executing program [pid 1216] write(1, "executing program\n", 18 [pid 1215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1213] mount(NULL, "./config", "configfs", 0, NULL [pid 1217] setpgid(0, 0 [pid 1216] <... write resumed>) = 18 [pid 1215] mount(NULL, "./config", "configfs", 0, NULL [pid 1217] <... setpgid resumed>) = 0 [pid 1217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1214] <... mkdirat resumed>) = 0 [pid 1217] <... openat resumed>) = 3 [pid 1217] write(3, "1000", 4) = 4 [pid 1217] close(3) = 0 [pid 1217] write(1, "executing program\n", 18) = 18 executing program [pid 1217] mkdirat(AT_FDCWD, "./config", 0777 [pid 1216] mkdirat(AT_FDCWD, "./config", 0777 [pid 1215] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1214] rmdir("./config/usb_gadget/g1" [pid 1213] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1217] mount(NULL, "./config", "configfs", 0, NULL [pid 1214] <... rmdir resumed>) = 0 [pid 1217] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1217] rmdir("./config/usb_gadget/g1") = 0 [pid 1217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1217] exit_group(0 [pid 1213] <... mkdirat resumed>) = 0 [pid 1217] <... exit_group resumed>) = ? [pid 1217] +++ exited with 0 +++ [pid 1216] mount(NULL, "./config", "configfs", 0, NULL [pid 1215] rmdir("./config/usb_gadget/g1" [pid 1214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1213] rmdir("./config/usb_gadget/g1" [pid 1216] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 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=0x555579e16690) = 1218 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1218 attached [pid 1218] set_robust_list(0x555579e166a0, 24) = 0 [pid 1218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1218] setpgid(0, 0 [pid 1216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1218] <... setpgid resumed>) = 0 [pid 1215] <... rmdir resumed>) = 0 [pid 1214] <... mkdirat resumed>) = -1 ENODEV (No such device) [ 31.592534][ T1209] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.592534][ T1209] 7) [ 31.624804][ T1214] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.624804][ T1214] 7) [pid 1215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1216] <... mkdirat resumed>) = 0 [pid 1214] exit_group(0 [pid 1216] rmdir("./config/usb_gadget/g1" [pid 1214] <... exit_group resumed>) = ? [pid 1218] <... openat resumed>) = 3 [pid 1218] write(3, "1000", 4) = 4 [pid 1218] close(3) = 0 [pid 1218] write(1, "executing program\n", 18) = 18 executing program [pid 1218] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1218] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1214] +++ exited with 0 +++ [pid 1215] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1215] exit_group(0) = ? [pid 1216] <... rmdir resumed>) = 0 [pid 1215] +++ exited with 0 +++ [pid 1213] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1215, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1213] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1213] exit_group(0) = ? [pid 1213] +++ exited with 0 +++ [pid 1218] <... mkdirat resumed>) = 0 [pid 1216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1218] rmdir("./config/usb_gadget/g1" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1219 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1219 attached [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1219] set_robust_list(0x555579e166a0, 24) = 0 [pid 1216] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1218] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1218] exit_group(0) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1216] exit_group(0 [pid 1219] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1218] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1216] <... exit_group resumed>) = ? [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1220 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1221 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1216] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1220 attached [pid 1220] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 1221 attached [pid 1219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1220] rt_sigprocmask(SIG_SETMASK, [] [pid 1221] set_robust_list(0x555579e166a0, 24 [pid 1219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1220] setpgid(0, 0) = 0 [pid 1221] <... set_robust_list resumed>) = 0 [pid 1219] <... prctl resumed>) = 0 [pid 1220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1219] setpgid(0, 0) = 0 [pid 1220] <... openat resumed>) = 3 [pid 1220] write(3, "1000", 4) = 4 [pid 1219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1220] close(3) = 0 [pid 1220] write(1, "executing program\n", 18) = 18 [pid 1220] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1220] mount(NULL, "./config", "configfs", 0, NULL [pid 1219] <... openat resumed>) = 3 [pid 1220] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1219] write(3, "1000", 4 [pid 1221] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] <... write resumed>) = 4 [pid 1220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1219] close(3 [pid 1221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1220] <... mkdirat resumed>) = 0 [pid 1220] rmdir("./config/usb_gadget/g1") = 0 [pid 1220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1220] exit_group(0) = ? [pid 306] <... restart_syscall 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=0x555579e16690) = 1222 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1220] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1222 attached [pid 1222] set_robust_list(0x555579e166a0, 24) = 0 [pid 1222] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] <... close resumed>) = 0 [pid 1219] write(1, "executing program\n", 18 executing program [pid 1221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1219] <... write resumed>) = 18 [pid 1222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1219] mkdirat(AT_FDCWD, "./config", 0777 [pid 1222] setpgid(0, 0) = 0 [pid 1222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1221] <... prctl resumed>) = 0 [pid 1219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1219] mount(NULL, "./config", "configfs", 0, NULL [pid 1222] <... openat resumed>) = 3 [pid 1221] setpgid(0, 0 [pid 1219] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1222] write(3, "1000", 4 [pid 1221] <... setpgid resumed>) = 0 [pid 1222] <... write resumed>) = 4 [pid 1219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1222] close(3) = 0 [pid 1222] write(1, "executing program\n", 18) = 18 executing program [pid 1222] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... 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 1222] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1222] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1223 attached [pid 1221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1219] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1223 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] rmdir("./config/usb_gadget/g1" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1221] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1222] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1224 attached [pid 1224] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1224 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1221] write(3, "1000", 4 [pid 1223] set_robust_list(0x555579e166a0, 24 [pid 1219] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1223] <... set_robust_list resumed>) = 0 [pid 1221] <... write resumed>) = 4 [pid 1219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1221] close(3 [pid 1219] exit_group(0 [pid 1223] rt_sigprocmask(SIG_SETMASK, [] [pid 1221] <... close resumed>) = 0 [pid 1219] <... exit_group resumed>) = ? [pid 1224] rt_sigprocmask(SIG_SETMASK, [] [pid 1222] <... mkdirat resumed>) = 0 [pid 1222] rmdir("./config/usb_gadget/g1") = 0 [pid 1222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1222] exit_group(0) = ? [pid 1222] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1219] +++ exited with 0 +++ [pid 1221] write(1, "executing program\n", 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... restart_syscall resumed>) = 0 [pid 1221] <... write resumed>) = 18 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1221] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1221] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1225 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1225 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1225] set_robust_list(0x555579e166a0, 24 [pid 1224] <... prctl resumed>) = 0 [pid 1221] mount(NULL, "./config", "configfs", 0, NULL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1221] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1225] <... set_robust_list resumed>) = 0 [pid 1224] setpgid(0, 0 [pid 1221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1226 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1226 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1224] <... setpgid resumed>) = 0 [pid 1223] <... prctl resumed>) = 0 [pid 1223] setpgid(0, 0) = 0 [pid 1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1221] <... mkdirat resumed>) = 0 [pid 1223] <... openat resumed>) = 3 [pid 1223] write(3, "1000", 4) = 4 [pid 1223] close(3) = 0 [pid 1223] write(1, "executing program\n", 18) = 18 [pid 1223] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1223] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1223] rmdir("./config/usb_gadget/g1" [pid 1224] <... openat resumed>) = 3 [pid 1221] rmdir("./config/usb_gadget/g1" [pid 1224] write(3, "1000", 4 [pid 1221] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1224] <... write resumed>) = 4 [pid 1221] exit_group(0) = ? [pid 1226] set_robust_list(0x555579e166a0, 24 [pid 1225] rt_sigprocmask(SIG_SETMASK, [] [pid 1224] close(3 [pid 1221] +++ exited with 0 +++ [pid 1223] <... rmdir resumed>) = 0 [pid 1223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1224] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1226] <... set_robust_list resumed>) = 0 [pid 1223] exit_group(0) = ? [pid 1224] write(1, "executing program\n", 18) = 18 executing program [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1224] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1223] +++ exited with 0 +++ [pid 1224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1227 ci2-android-5-15/strace-static-x86_64: Process 1227 attached [pid 1227] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1224] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1226] rt_sigprocmask(SIG_SETMASK, [] [pid 1225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1224] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1225] <... prctl resumed>) = 0 [pid 1224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1227] setpgid(0, 0) = 0 [pid 1227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1224] <... mkdirat resumed>) = 0 [pid 1227] write(3, "1000", 4) = 4 [pid 1227] close(3) = 0 [pid 1227] write(1, "executing program\n", 18) = 18 [pid 1227] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1227] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1227] rmdir("./config/usb_gadget/g1" [pid 1224] rmdir("./config/usb_gadget/g1" [pid 1227] <... rmdir resumed>) = 0 [pid 1224] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1227] exit_group(0) = ? [pid 1224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) executing program [pid 1227] +++ exited with 0 +++ [pid 1224] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1225] setpgid(0, 0 [pid 1224] <... exit_group resumed>) = ? [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1226] setpgid(0, 0) = 0 [pid 1226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1224] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1225] <... setpgid resumed>) = 0 [pid 1226] <... openat resumed>) = 3 [pid 1226] write(3, "1000", 4 [pid 1225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1226] <... write resumed>) = 4 [pid 1225] <... openat resumed>) = 3 [pid 1226] close(3) = 0 [pid 1225] write(3, "1000", 4 [pid 1226] write(1, "executing program\n", 18) = 18 [pid 1226] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1226] mount(NULL, "./config", "configfs", 0, NULL [pid 1225] <... write resumed>) = 4 [pid 1226] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1225] close(3 [pid 1226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1225] <... close resumed>) = 0 executing program [pid 1225] write(1, "executing program\n", 18) = 18 [pid 1226] <... mkdirat resumed>) = 0 [pid 1226] rmdir("./config/usb_gadget/g1") = 0 [pid 1226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1226] exit_group(0) = ? [pid 1226] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1225] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1225] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1225] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1225] rmdir("./config/usb_gadget/g1" [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1228 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1225] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1229 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1230 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1230 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1228 attached ci2-android-5-15/strace-static-x86_64: Process 1229 attached [pid 1229] set_robust_list(0x555579e166a0, 24 [pid 1225] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1228] set_robust_list(0x555579e166a0, 24) = 0 [pid 1228] rt_sigprocmask(SIG_SETMASK, [] [pid 1229] <... set_robust_list resumed>) = 0 [pid 1229] rt_sigprocmask(SIG_SETMASK, [] [pid 1228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1225] exit_group(0 [pid 1229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 31.636738][ T1215] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.636738][ T1215] 7) [ 31.651639][ T1216] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.651639][ T1216] 7) [pid 1228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1225] <... exit_group resumed>) = ? [pid 1228] <... prctl resumed>) = 0 [pid 1229] <... prctl resumed>) = 0 [pid 1229] setpgid(0, 0 [pid 1228] setpgid(0, 0) = 0 [pid 1229] <... setpgid resumed>) = 0 [pid 1229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1225] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1229] <... openat resumed>) = 3 [pid 1228] <... openat resumed>) = 3 [pid 1228] write(3, "1000", 4) = 4 [pid 1228] close(3 [pid 1229] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1231 [pid 304] <... restart_syscall resumed>) = 0 [pid 1228] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1229] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1229] close(3 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1229] <... close resumed>) = 0 [pid 1228] write(1, "executing program\n", 18) = 18 [pid 1229] write(1, "executing program\n", 18 [pid 1228] mkdirat(AT_FDCWD, "./config", 0777 [pid 1229] <... write resumed>) = 18 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1232 executing program executing program [pid 1229] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1232 attached ci2-android-5-15/strace-static-x86_64: Process 1231 attached [pid 1230] set_robust_list(0x555579e166a0, 24 [pid 1228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1228] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1229] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1230] <... set_robust_list resumed>) = 0 [pid 1228] <... mkdirat resumed>) = 0 [pid 1229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1229] rmdir("./config/usb_gadget/g1") = 0 [pid 1228] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1229] exit_group(0 [pid 1228] exit_group(0 [pid 1229] <... exit_group resumed>) = ? [pid 1228] <... exit_group resumed>) = ? [pid 1230] rt_sigprocmask(SIG_SETMASK, [] [pid 1231] set_robust_list(0x555579e166a0, 24 [pid 1232] set_robust_list(0x555579e166a0, 24 [pid 1230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1231] <... set_robust_list resumed>) = 0 [pid 1232] <... set_robust_list resumed>) = 0 [pid 1230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1228] +++ exited with 0 +++ [pid 1229] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1231] rt_sigprocmask(SIG_SETMASK, [] [pid 1230] <... prctl resumed>) = 0 [pid 1231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1230] setpgid(0, 0 [pid 1231] <... prctl resumed>) = 0 [pid 1231] setpgid(0, 0) = 0 [pid 1231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1230] <... setpgid resumed>) = 0 [pid 1231] <... openat resumed>) = 3 [pid 1230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1231] write(3, "1000", 4) = 4 [pid 1231] close(3) = 0 [pid 1231] write(1, "executing program\n", 18) = 18 executing program [pid 1231] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1231] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1231] rmdir("./config/usb_gadget/g1") = 0 [pid 1231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1231] exit_group(0) = ? [pid 1231] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1230] <... openat resumed>) = 3 [pid 1232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1232] setpgid(0, 0) = 0 [pid 1232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1232] write(3, "1000", 4) = 4 [pid 1232] close(3) = 0 [pid 1232] write(1, "executing program\n", 18) = 18 executing program [pid 1232] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1232] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1230] write(3, "1000", 4) = 4 [pid 1232] <... mkdirat resumed>) = 0 [pid 1232] rmdir("./config/usb_gadget/g1") = 0 [pid 1232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1232] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1230] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1230] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1233 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1230] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1233 attached ) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1230] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1233] set_robust_list(0x555579e166a0, 24) = 0 [pid 1233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1233] setpgid(0, 0) = 0 [pid 1233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1233] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1234 [pid 1230] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1235 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1230] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1233] <... write resumed>) = 4 [pid 1233] close(3) = 0 [pid 1233] write(1, "executing program\n", 18) = 18 [pid 1233] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1233] mount(NULL, "./config", "configfs", 0, NULL [pid 1230] <... mkdirat resumed>) = 0 [pid 1233] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1233] rmdir("./config/usb_gadget/g1" [pid 1230] rmdir("./config/usb_gadget/g1" [pid 1233] <... rmdir resumed>) = 0 [pid 1233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1233] exit_group(0) = ? [pid 1230] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1233] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1234 attached [pid 1230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1234] set_robust_list(0x555579e166a0, 24) = 0 [pid 1234] rt_sigprocmask(SIG_SETMASK, [] [pid 1230] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1234] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1235 attached [pid 1235] set_robust_list(0x555579e166a0, 24 [pid 1234] <... prctl resumed>) = 0 [pid 1234] setpgid(0, 0) = 0 [pid 1230] exit_group(0) = ? [pid 1234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1235] <... set_robust_list resumed>) = 0 [pid 1235] rt_sigprocmask(SIG_SETMASK, [] [pid 1234] <... openat resumed>) = 3 [pid 1230] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1234] write(3, "1000", 4) = 4 [pid 1235] setpgid(0, 0 [pid 1234] close(3 [pid 1235] <... setpgid resumed>) = 0 [pid 1234] <... close resumed>) = 0 [pid 1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1234] write(1, "executing program\n", 18) = 18 [pid 1234] mkdirat(AT_FDCWD, "./config", 0777 [pid 1235] <... openat resumed>) = 3 [pid 1234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1234] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1235] write(3, "1000", 4) = 4 [pid 1235] close(3 [pid 1234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1235] <... close resumed>) = 0 [pid 1234] <... mkdirat resumed>) = 0 [pid 1235] write(1, "executing program\n", 18) = 18 [pid 1235] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1235] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1235] rmdir("./config/usb_gadget/g1" [pid 1232] +++ exited with 0 +++ executing program [pid 1234] rmdir("./config/usb_gadget/g1" [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1235] <... rmdir resumed>) = 0 [pid 1234] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... restart_syscall resumed>) = 0 [pid 1234] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1234] exit_group(0 [pid 1235] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1236 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1235] <... exit_group resumed>) = ? [pid 1234] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... 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 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1237 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1237 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1238 [pid 1237] set_robust_list(0x555579e166a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1234] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1237] setpgid(0, 0) = 0 [pid 1237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1235] +++ exited with 0 +++ [pid 1237] <... openat resumed>) = 3 [pid 1237] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1237] <... write resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1237] close(3) = 0 [pid 1237] write(1, "executing program\n", 18) = 18 executing program [pid 1237] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1237] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1236 attached ) = -1 EBUSY (Device or resource busy) [pid 1236] set_robust_list(0x555579e166a0, 24 [pid 1237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1236] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1238 attached [pid 1236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1236] setpgid(0, 0) = 0 [pid 1236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1238] set_robust_list(0x555579e166a0, 24 [pid 1236] write(3, "1000", 4) = 4 [pid 1236] close(3 [pid 1237] <... mkdirat resumed>) = 0 [pid 1238] <... set_robust_list resumed>) = 0 [pid 1236] <... close resumed>) = 0 executing program [pid 1236] write(1, "executing program\n", 18) = 18 [pid 1236] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1236] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1238] rt_sigprocmask(SIG_SETMASK, [] [pid 1236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1236] rmdir("./config/usb_gadget/g1" [pid 1238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1237] rmdir("./config/usb_gadget/g1" [pid 1238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1238] setpgid(0, 0) = 0 [pid 1238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1236] <... rmdir resumed>) = 0 [pid 1237] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1238] <... openat resumed>) = 3 [pid 1237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1236] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1237] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1237] exit_group(0) = ? [pid 1236] exit_group(0) = ? [pid 1238] write(3, "1000", 4 [pid 1237] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1236] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1238] <... write resumed>) = 4 [pid 1238] close(3) = 0 [pid 1238] write(1, "executing program\n", 18) = 18 executing program [pid 1238] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1238] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1239 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1240 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1238] rmdir("./config/usb_gadget/g1" [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 1238] <... rmdir resumed>) = 0 [pid 1238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1238] exit_group(0) = ? [pid 1238] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1242 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1241 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1240 attached [pid 1240] set_robust_list(0x555579e166a0, 24) = 0 [pid 1240] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1242 attached ci2-android-5-15/strace-static-x86_64: Process 1241 attached , NULL, 8) = 0 [pid 1240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1240] setpgid(0, 0) = 0 [pid 1240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1242] set_robust_list(0x555579e166a0, 24) = 0 [pid 1241] set_robust_list(0x555579e166a0, 24 [pid 1240] <... openat resumed>) = 3 [pid 1240] write(3, "1000", 4 [pid 1242] rt_sigprocmask(SIG_SETMASK, [] [pid 1240] <... write resumed>) = 4 [pid 1240] close(3) = 0 [pid 1240] write(1, "executing program\n", 18 [pid 1242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1240] <... write resumed>) = 18 [pid 1240] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1240] mount(NULL, "./config", "configfs", 0, NULL [pid 1242] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1239 attached [pid 1240] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1239] set_robust_list(0x555579e166a0, 24 [pid 1240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1242] <... prctl resumed>) = 0 [pid 1241] <... set_robust_list resumed>) = 0 [pid 1239] <... set_robust_list resumed>) = 0 [pid 1242] setpgid(0, 0 [pid 1240] <... mkdirat resumed>) = 0 [pid 1240] rmdir("./config/usb_gadget/g1") = 0 [pid 1240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1240] exit_group(0) = ? [pid 1240] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1241] rt_sigprocmask(SIG_SETMASK, [] [pid 1242] <... setpgid resumed>) = 0 [pid 1241] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1241] setpgid(0, 0) = 0 [pid 1241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1241] write(3, "1000", 4) = 4 [pid 1241] close(3) = 0 [pid 1241] write(1, "executing program\n", 18) = 18 [pid 1241] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1241] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1241] <... mkdirat resumed>) = 0 [pid 1241] rmdir("./config/usb_gadget/g1") = 0 [pid 1241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1241] exit_group(0) = ? [pid 1242] <... openat resumed>) = 3 [pid 1239] rt_sigprocmask(SIG_SETMASK, [] [pid 1242] write(3, "1000", 4 [pid 1239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1241] +++ exited with 0 +++ [pid 1242] <... write resumed>) = 4 [pid 1242] close(3 [pid 1239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1242] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1239] <... prctl resumed>) = 0 [pid 1242] write(1, "executing program\n", 18) = 18 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 1239] setpgid(0, 0 [pid 1242] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1239] <... setpgid resumed>) = 0 [pid 1242] mount(NULL, "./config", "configfs", 0, NULL [pid 1239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1243 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1243 [pid 1243] set_robust_list(0x555579e166a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1243] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1243] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1242] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1239] <... openat resumed>) = 3 [pid 1242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1244 ci2-android-5-15/strace-static-x86_64: Process 1244 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1244] set_robust_list(0x555579e166a0, 24 [pid 1239] write(3, "1000", 4 [pid 1244] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1239] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1244] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1239] close(3) = 0 [pid 1239] write(1, "executing program\n", 18) = 18 [pid 1239] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1239] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1242] <... mkdirat resumed>) = 0 [pid 1239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1239] rmdir("./config/usb_gadget/g1") = 0 [pid 1242] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1245 [pid 1242] exit_group(0) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) executing program [pid 1244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1239] exit_group(0 [pid 1243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1239] <... exit_group resumed>) = ? [pid 1244] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1245 attached [pid 1244] setpgid(0, 0 [pid 1243] <... prctl resumed>) = 0 [pid 1243] setpgid(0, 0) = 0 [pid 1243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1244] <... setpgid resumed>) = 0 [pid 1243] <... openat resumed>) = 3 [pid 1243] write(3, "1000", 4) = 4 [pid 1243] close(3) = 0 [pid 1244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1243] write(1, "executing program\n", 18) = 18 executing program [pid 1243] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1239] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1244] <... openat resumed>) = 3 [pid 1243] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1244] write(3, "1000", 4) = 4 [pid 1243] <... mkdirat resumed>) = 0 [pid 1243] rmdir("./config/usb_gadget/g1") = 0 [pid 1243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1243] exit_group(0) = ? [pid 1243] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1244] close(3 [pid 1245] set_robust_list(0x555579e166a0, 24) = 0 [pid 1245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1245] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1244] <... close resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1245] <... setpgid resumed>) = 0 [pid 1244] write(1, "executing program\n", 18 [pid 1242] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1246 attached [pid 1244] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1244] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1246 [pid 1244] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1244] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1246] set_robust_list(0x555579e166a0, 24 [pid 1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... 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, child_tidptr=0x555579e16690) = 1247 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1246] <... set_robust_list resumed>) = 0 [pid 1246] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 1245] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1244] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1247 attached [pid 1246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1244] rmdir("./config/usb_gadget/g1" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1245] write(3, "1000", 4) = 4 [pid 1245] close(3) = 0 [pid 1245] write(1, "executing program\n", 18) = 18 [pid 1245] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1245] mount(NULL, "./config", "configfs", 0, NULL [pid 1244] <... rmdir resumed>) = 0 [pid 1245] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1245] rmdir("./config/usb_gadget/g1") = 0 [pid 1245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1245] exit_group(0) = ? [pid 1245] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1248 ci2-android-5-15/strace-static-x86_64: Process 1248 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1248] set_robust_list(0x555579e166a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1248] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1244] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1246] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1248] rt_sigprocmask(SIG_SETMASK, [] [pid 1244] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1247] set_robust_list(0x555579e166a0, 24 [pid 1246] <... prctl resumed>) = 0 [pid 1244] <... exit_group resumed>) = ? [pid 1248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1248] setpgid(0, 0) = 0 [pid 1248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1248] write(3, "1000", 4) = 4 [pid 1248] close(3) = 0 [pid 1248] write(1, "executing program\n", 18 [pid 1244] +++ exited with 0 +++ [pid 1248] <... write resumed>) = 18 [pid 1247] <... set_robust_list resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1249 [pid 1246] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1247] rt_sigprocmask(SIG_SETMASK, [] [pid 1246] <... setpgid resumed>) = 0 [pid 1248] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1248] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1246] <... openat resumed>) = 3 [pid 1248] rmdir("./config/usb_gadget/g1") = 0 [pid 1247] <... prctl resumed>) = 0 [pid 1246] write(3, "1000", 4 [pid 1248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1248] exit_group(0) = ? [pid 1247] setpgid(0, 0 [pid 1246] <... write resumed>) = 4 [pid 1248] +++ exited with 0 +++ [pid 1247] <... setpgid resumed>) = 0 [pid 1246] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1249 attached [pid 1247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1246] <... close resumed>) = 0 [pid 1249] set_robust_list(0x555579e166a0, 24) = 0 [pid 1249] rt_sigprocmask(SIG_SETMASK, [] [pid 1246] write(1, "executing program\n", 18 [pid 1249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 1249] setpgid(0, 0 [pid 1247] <... openat resumed>) = 3 [pid 1246] <... write resumed>) = 18 [pid 1249] <... setpgid resumed>) = 0 [pid 1249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1247] write(3, "1000", 4 [pid 1246] mkdirat(AT_FDCWD, "./config", 0777 [pid 1249] write(3, "1000", 4) = 4 [pid 1249] close(3) = 0 [pid 1247] <... write resumed>) = 4 [pid 1246] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1249] write(1, "executing program\n", 18) = 18 [pid 1249] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1249] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1247] close(3 [pid 1246] mount(NULL, "./config", "configfs", 0, NULL [pid 1249] <... mkdirat resumed>) = 0 [pid 1249] rmdir("./config/usb_gadget/g1") = 0 [pid 1249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1249] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1249] <... exit_group resumed>) = ? [pid 1249] +++ exited with 0 +++ [pid 1247] <... close resumed>) = 0 [pid 1247] write(1, "executing program\n", 18) = 18 [pid 1247] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1247] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1246] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1247] rmdir("./config/usb_gadget/g1") = 0 [pid 1246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1247] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1250 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1247] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1250 attached [pid 1250] set_robust_list(0x555579e166a0, 24) = 0 [pid 1250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1251 [pid 1250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1250] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1250] setpgid(0, 0) = 0 [pid 1250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1250] write(3, "1000", 4) = 4 [pid 1250] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1250] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1250] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1250] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1251 attached [pid 1251] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1252 [pid 1251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1246] <... mkdirat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1250] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1246] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1252 attached [pid 1251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... 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, child_tidptr=0x555579e16690) = 1253 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1246] <... rmdir resumed>) = 0 [pid 1250] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1252] set_robust_list(0x555579e166a0, 24 [pid 1250] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1253 attached [pid 1252] <... set_robust_list resumed>) = 0 [pid 1251] <... prctl resumed>) = 0 [pid 1246] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1246] exit_group(0) = ? [pid 1250] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1253] set_robust_list(0x555579e166a0, 24 [pid 1252] rt_sigprocmask(SIG_SETMASK, [] [pid 1251] setpgid(0, 0) = 0 [pid 1251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1246] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1251] write(3, "1000", 4) = 4 [pid 1252] <... prctl resumed>) = 0 [pid 1251] close(3 [pid 1252] setpgid(0, 0 [pid 1251] <... close resumed>) = 0 [pid 1252] <... setpgid resumed>) = 0 [pid 1253] <... set_robust_list resumed>) = 0 [pid 1252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1251] write(1, "executing program\n", 18 [pid 1252] <... openat resumed>) = 3 executing program [pid 1251] <... write resumed>) = 18 [pid 1252] write(3, "1000", 4) = 4 [pid 1252] close(3) = 0 [pid 1252] write(1, "executing program\n", 18) = 18 executing program [pid 1252] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1252] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1251] mkdirat(AT_FDCWD, "./config", 0777 [pid 1252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1252] rmdir("./config/usb_gadget/g1") = 0 [pid 1252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1252] exit_group(0) = ? [pid 1252] +++ exited with 0 +++ [pid 1251] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1253] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1251] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1253] setpgid(0, 0) = 0 [pid 1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1253] write(3, "1000", 4) = 4 [pid 1253] close(3) = 0 [pid 1253] write(1, "executing program\n", 18) = 18 [pid 1253] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1253] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1253] rmdir("./config/usb_gadget/g1") = 0 [pid 1253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1253] exit_group(0) = ? [pid 1253] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1251] <... mkdirat resumed>) = 0 [pid 1251] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1254 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1255 ci2-android-5-15/strace-static-x86_64: Process 1254 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1255 attached [pid 1254] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1255] set_robust_list(0x555579e166a0, 24 [pid 1254] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1251] <... rmdir resumed>) = 0 [pid 1251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1251] exit_group(0) = ? [pid 1251] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1256 attached ci2-android-5-15/strace-static-x86_64: Process 1257 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1256 [pid 1256] set_robust_list(0x555579e166a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1251, 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 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1257 [pid 1255] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1257] set_robust_list(0x555579e166a0, 24 [pid 1254] rt_sigprocmask(SIG_SETMASK, [] [pid 1255] rt_sigprocmask(SIG_SETMASK, [] [pid 1254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1257] <... set_robust_list resumed>) = 0 [pid 1257] rt_sigprocmask(SIG_SETMASK, [] [pid 1256] <... set_robust_list resumed>) = 0 [pid 1256] rt_sigprocmask(SIG_SETMASK, [] [pid 1257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1257] <... prctl resumed>) = 0 [pid 1257] setpgid(0, 0) = 0 [pid 1256] <... prctl resumed>) = 0 [pid 1255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1254] <... prctl resumed>) = 0 [pid 1257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1256] setpgid(0, 0) = 0 [pid 1256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1254] setpgid(0, 0 [pid 1255] <... prctl resumed>) = 0 [pid 1257] <... openat resumed>) = 3 [pid 1256] <... openat resumed>) = 3 [pid 1255] setpgid(0, 0 [pid 1254] <... setpgid resumed>) = 0 [pid 1257] write(3, "1000", 4) = 4 [pid 1257] close(3) = 0 [pid 1257] write(1, "executing program\n", 18) = 18 [pid 1257] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1257] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1255] <... setpgid resumed>) = 0 [pid 1257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1254] <... openat resumed>) = 3 [pid 1255] <... openat resumed>) = 3 [pid 1254] write(3, "1000", 4 [pid 1256] write(3, "1000", 4 [pid 1257] <... mkdirat resumed>) = 0 [pid 1257] rmdir("./config/usb_gadget/g1") = 0 [pid 1257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1257] exit_group(0) = ? [pid 1257] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1255] write(3, "1000", 4 [pid 1254] <... write resumed>) = 4 [pid 1256] <... write resumed>) = 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1254] close(3 [pid 1256] close(3 [pid 1255] <... write resumed>) = 4 [pid 1254] <... close resumed>) = 0 [pid 1254] write(1, "executing program\n", 18) = 18 executing program [pid 1254] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1254] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1256] <... close resumed>) = 0 [pid 1255] close(3) = 0 [pid 1255] write(1, "executing program\n", 18) = 18 [pid 1255] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1255] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1256] write(1, "executing program\n", 18 [pid 1254] <... mkdirat resumed>) = 0 [pid 1254] rmdir("./config/usb_gadget/g1") = 0 [pid 1254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1254] exit_group(0 [pid 1256] <... write resumed>) = 18 [pid 1256] mkdirat(AT_FDCWD, "./config", 0777 [pid 1254] <... exit_group resumed>) = ? [pid 1256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1256] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 1255] <... mkdirat resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1255] rmdir("./config/usb_gadget/g1" [pid 1254] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1258 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1258 [pid 1258] set_robust_list(0x555579e166a0, 24 [pid 1256] <... mkdirat resumed>) = 0 [pid 1255] <... rmdir resumed>) = 0 [pid 1255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1258] <... set_robust_list resumed>) = 0 [pid 1256] rmdir("./config/usb_gadget/g1" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1259 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1259 attached [pid 1255] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 305] <... restart_syscall resumed>) = 0 [pid 1259] set_robust_list(0x555579e166a0, 24) = 0 [pid 1259] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1255] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1259] <... prctl resumed>) = 0 [pid 1255] <... exit_group resumed>) = ? [pid 1258] rt_sigprocmask(SIG_SETMASK, [] [pid 1259] setpgid(0, 0) = 0 [pid 1258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1260 [pid 1259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1259] <... openat resumed>) = 3 [pid 1258] <... prctl resumed>) = 0 [pid 1255] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1259] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1260 attached ) = 4 [pid 1256] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1255, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1260] set_robust_list(0x555579e166a0, 24 [pid 1259] close(3 [pid 1256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1260] <... set_robust_list resumed>) = 0 [pid 1259] <... close resumed>) = 0 [pid 1256] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1260] rt_sigprocmask(SIG_SETMASK, [] [pid 1259] write(1, "executing program\n", 18 executing program [pid 1258] setpgid(0, 0 [pid 1256] exit_group(0 [pid 1260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1259] <... write resumed>) = 18 [pid 1256] <... exit_group resumed>) = ? [pid 1260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1259] mkdirat(AT_FDCWD, "./config", 0777 [pid 1258] <... setpgid resumed>) = 0 [pid 1260] <... prctl resumed>) = 0 [pid 1259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1256] +++ exited with 0 +++ [pid 1260] setpgid(0, 0 [pid 1259] mount(NULL, "./config", "configfs", 0, NULL [pid 1260] <... setpgid resumed>) = 0 [pid 1259] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1258] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1258] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1258] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1260] <... openat resumed>) = 3 [pid 1259] <... mkdirat resumed>) = 0 [pid 1258] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1260] write(3, "1000", 4 [pid 1259] rmdir("./config/usb_gadget/g1" [pid 1260] <... write resumed>) = 4 [pid 1260] close(3) = 0 [pid 1260] write(1, "executing program\n", 18) = 18 [pid 1260] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1259] <... rmdir resumed>) = 0 [pid 1260] mount(NULL, "./config", "configfs", 0, NULL [pid 1259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1260] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1259] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1261 [pid 1260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1259] exit_group(0 [pid 1260] <... mkdirat resumed>) = 0 [pid 1259] <... exit_group resumed>) = ? [pid 1258] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1260] rmdir("./config/usb_gadget/g1" [pid 1259] +++ exited with 0 +++ executing program ci2-android-5-15/strace-static-x86_64: Process 1261 attached [pid 1258] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1260] <... rmdir resumed>) = 0 [pid 1260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1260] exit_group(0) = ? executing program [pid 1260] +++ exited with 0 +++ [pid 1258] <... write resumed>) = 18 [pid 1261] set_robust_list(0x555579e166a0, 24 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1258] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1258] mount(NULL, "./config", "configfs", 0, NULL [pid 1261] <... set_robust_list resumed>) = 0 [pid 1258] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1261] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1262 attached [pid 1258] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1262] set_robust_list(0x555579e166a0, 24 [pid 1258] rmdir("./config/usb_gadget/g1" [pid 1262] <... set_robust_list resumed>) = 0 [pid 1261] <... prctl resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1262 [pid 1262] rt_sigprocmask(SIG_SETMASK, [] [pid 1258] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 1262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1261] setpgid(0, 0 [pid 1258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1261] <... setpgid resumed>) = 0 [pid 1258] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1258] exit_group(0 [pid 1262] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1263 attached [pid 1261] <... openat resumed>) = 3 [pid 1258] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1263 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1263] set_robust_list(0x555579e166a0, 24 [pid 1262] setpgid(0, 0 [pid 1261] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1263] <... set_robust_list resumed>) = 0 [pid 1261] <... write resumed>) = 4 [pid 1258] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1263] rt_sigprocmask(SIG_SETMASK, [] [pid 1262] <... setpgid resumed>) = 0 [pid 1261] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1264 [pid 1263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1261] <... close resumed>) = 0 [pid 1263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1261] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1263] <... prctl resumed>) = 0 [pid 1262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1261] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1264 attached [pid 1263] setpgid(0, 0 [pid 1261] mkdirat(AT_FDCWD, "./config", 0777 [pid 1263] <... setpgid resumed>) = 0 [pid 1261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1262] <... openat resumed>) = 3 [pid 1261] mount(NULL, "./config", "configfs", 0, NULL [pid 1264] set_robust_list(0x555579e166a0, 24 [pid 1263] <... openat resumed>) = 3 [pid 1262] write(3, "1000", 4 [pid 1264] <... set_robust_list resumed>) = 0 [pid 1263] write(3, "1000", 4 [pid 1262] <... write resumed>) = 4 [pid 1264] rt_sigprocmask(SIG_SETMASK, [] [pid 1263] <... write resumed>) = 4 [pid 1262] close(3 [pid 1261] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1263] close(3 [pid 1262] <... close resumed>) = 0 [pid 1263] <... close resumed>) = 0 [pid 1262] write(1, "executing program\n", 18 [pid 1263] write(1, "executing program\n", 18 [pid 1262] <... write resumed>) = 18 executing program executing program [pid 1263] <... write resumed>) = 18 [pid 1262] mkdirat(AT_FDCWD, "./config", 0777 [pid 1263] mkdirat(AT_FDCWD, "./config", 0777 [pid 1262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1262] mount(NULL, "./config", "configfs", 0, NULL [pid 1263] mount(NULL, "./config", "configfs", 0, NULL [pid 1262] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1263] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1262] <... mkdirat resumed>) = 0 [pid 1263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1262] rmdir("./config/usb_gadget/g1" [pid 1263] rmdir("./config/usb_gadget/g1" [pid 1262] <... rmdir resumed>) = 0 [pid 1263] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1262] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1263] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1262] exit_group(0 [pid 1263] exit_group(0 [pid 1262] <... exit_group resumed>) = ? [pid 1263] <... exit_group resumed>) = ? [pid 1262] +++ exited with 0 +++ [pid 1263] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1261] <... mkdirat resumed>) = 0 [pid 1264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1261] rmdir("./config/usb_gadget/g1" [pid 1264] <... prctl resumed>) = 0 [pid 1264] setpgid(0, 0) = 0 [pid 1264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1264] write(3, "1000", 4) = 4 [pid 1261] <... rmdir resumed>) = 0 [pid 1264] close(3 [pid 1261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1264] <... close resumed>) = 0 [pid 1264] write(1, "executing program\n", 18) = 18 executing program [pid 1264] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1264] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1261] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1264] <... mkdirat resumed>) = 0 [pid 1261] exit_group(0 [pid 1264] rmdir("./config/usb_gadget/g1") = 0 [pid 1261] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 1264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1264] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1264] <... exit_group resumed>) = ? [pid 1264] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1261] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1261, 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 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1265 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1267 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1266 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1265 attached [pid 1265] set_robust_list(0x555579e166a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1268 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1265] <... set_robust_list resumed>) = 0 [pid 1265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1265] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1268 attached ci2-android-5-15/strace-static-x86_64: Process 1267 attached [pid 1267] set_robust_list(0x555579e166a0, 24) = 0 [pid 1267] rt_sigprocmask(SIG_SETMASK, [] [pid 1268] set_robust_list(0x555579e166a0, 24 [pid 1265] <... prctl resumed>) = 0 [pid 1267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1267] setpgid(0, 0) = 0 [pid 1267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1268] <... set_robust_list resumed>) = 0 [pid 1265] setpgid(0, 0 [pid 1267] <... openat resumed>) = 3 [pid 1265] <... setpgid resumed>) = 0 [pid 1267] write(3, "1000", 4) = 4 [pid 1268] rt_sigprocmask(SIG_SETMASK, [] [pid 1267] close(3) = 0 executing program [pid 1267] write(1, "executing program\n", 18) = 18 [pid 1267] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1267] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 1266 attached [pid 1266] set_robust_list(0x555579e166a0, 24 [pid 1267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1266] <... set_robust_list resumed>) = 0 [pid 1266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1266] setpgid(0, 0) = 0 [pid 1266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1266] write(3, "1000", 4) = 4 [pid 1266] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1266] write(1, "executing program\n", 18 [pid 1267] rmdir("./config/usb_gadget/g1" [pid 1266] <... write resumed>) = 18 executing program [ 31.823112][ T1255] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.823112][ T1255] 7) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1267] <... rmdir resumed>) = 0 [pid 1265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1266] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1266] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1265] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1269 ci2-android-5-15/strace-static-x86_64: Process 1269 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1267] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1267] exit_group(0 [pid 1268] <... prctl resumed>) = 0 [pid 1267] <... exit_group resumed>) = ? [pid 1268] setpgid(0, 0 [pid 1265] write(3, "1000", 4 [pid 1269] set_robust_list(0x555579e166a0, 24 [pid 1266] rmdir("./config/usb_gadget/g1" [pid 1268] <... setpgid resumed>) = 0 [pid 1265] <... write resumed>) = 4 [pid 1267] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1267, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1269] <... set_robust_list resumed>) = 0 [pid 1268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1269] setpgid(0, 0) = 0 [pid 1269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1265] close(3 [pid 1269] write(3, "1000", 4) = 4 [pid 1269] close(3 [pid 1268] <... openat resumed>) = 3 [pid 1265] <... close resumed>) = 0 [pid 1269] <... close resumed>) = 0 executing program [pid 1269] write(1, "executing program\n", 18) = 18 [pid 1269] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1269] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1265] write(1, "executing program\n", 18 [pid 1268] write(3, "1000", 4 [pid 1265] <... write resumed>) = 18 [pid 1265] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1265] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1268] <... write resumed>) = 4 [pid 1266] <... rmdir resumed>) = 0 [pid 1268] close(3) = 0 [pid 1266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1268] write(1, "executing program\n", 18) = 18 [pid 1268] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1268] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1266] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1266] exit_group(0) = ? [pid 1269] <... mkdirat resumed>) = 0 [pid 1265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1268] rmdir("./config/usb_gadget/g1" [pid 1265] rmdir("./config/usb_gadget/g1" [pid 1269] rmdir("./config/usb_gadget/g1" [pid 1266] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1268] <... rmdir resumed>) = 0 [pid 1265] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1265] exit_group(0) = ? [pid 1265] +++ exited with 0 +++ [pid 1268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1268] exit_group(0) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1269] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1268] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1269] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1269] exit_group(0) = ? [pid 1269] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1270 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1270 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1272 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1270] set_robust_list(0x555579e166a0, 24) = 0 [pid 1270] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1271 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1273 [pid 1270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1274 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1270] setpgid(0, 0) = 0 [pid 1270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1273 attached ) = 3 [pid 1270] write(3, "1000", 4) = 4 [pid 1270] close(3) = 0 executing program [pid 1270] write(1, "executing program\n", 18) = 18 [pid 1270] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1270] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1273] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1271 attached [pid 1270] <... mkdirat resumed>) = 0 [pid 1270] rmdir("./config/usb_gadget/g1") = 0 [pid 1270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1270] exit_group(0) = ? [pid 1270] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1274 attached [pid 1274] set_robust_list(0x555579e166a0, 24) = 0 [pid 1274] rt_sigprocmask(SIG_SETMASK, [] [pid 1273] <... set_robust_list resumed>) = 0 [pid 1271] set_robust_list(0x555579e166a0, 24 [pid 1274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1274] setpgid(0, 0) = 0 [pid 1274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1273] rt_sigprocmask(SIG_SETMASK, [] [pid 1274] write(3, "1000", 4) = 4 [pid 1274] close(3) = 0 [pid 1273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1274] write(1, "executing program\n", 18) = 18 [pid 1274] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1274] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1271] <... set_robust_list resumed>) = 0 [pid 1273] setpgid(0, 0 [pid 1274] <... mkdirat resumed>) = 0 [pid 1274] rmdir("./config/usb_gadget/g1" [pid 1273] <... setpgid resumed>) = 0 [pid 1274] <... rmdir resumed>) = 0 [pid 1274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1274] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1272 attached [pid 1273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1271] rt_sigprocmask(SIG_SETMASK, [] [pid 1274] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1272] set_robust_list(0x555579e166a0, 24 [pid 1273] <... openat resumed>) = 3 [pid 1272] <... set_robust_list resumed>) = 0 [pid 1272] rt_sigprocmask(SIG_SETMASK, [] [pid 1273] write(3, "1000", 4 [pid 1271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1272] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1272] setpgid(0, 0) = 0 [pid 1272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1273] <... write resumed>) = 4 [pid 1271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1272] <... openat resumed>) = 3 [pid 1272] write(3, "1000", 4) = 4 [pid 1272] close(3) = 0 [pid 1272] write(1, "executing program\n", 18) = 18 [pid 1272] mkdirat(AT_FDCWD, "./config", 0777 [pid 1273] close(3 [pid 1271] <... prctl resumed>) = 0 [pid 1272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1272] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1273] <... close resumed>) = 0 executing program [pid 1271] setpgid(0, 0 [pid 1272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1273] write(1, "executing program\n", 18 [pid 1271] <... setpgid resumed>) = 0 executing program [pid 1273] <... write resumed>) = 18 [pid 308] <... 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, child_tidptr=0x555579e16690) = 1275 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1272] <... mkdirat resumed>) = 0 [pid 1273] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1272] rmdir("./config/usb_gadget/g1") = 0 [pid 1272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1272] exit_group(0) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1276 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1273] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1271] <... openat resumed>) = 3 [pid 1272] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1276 attached [pid 1273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1271] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1275 attached [pid 1276] set_robust_list(0x555579e166a0, 24) = 0 [pid 1276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1276] setpgid(0, 0) = 0 [pid 1276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1276] write(3, "1000", 4) = 4 [pid 1276] close(3) = 0 [pid 1276] write(1, "executing program\n", 18) = 18 [pid 1276] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1276] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1273] <... mkdirat resumed>) = 0 [pid 1271] <... write resumed>) = 4 executing program [pid 1276] rmdir("./config/usb_gadget/g1" [pid 1273] rmdir("./config/usb_gadget/g1" [pid 1271] close(3 [pid 1273] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1273] exit_group(0) = ? [pid 1275] set_robust_list(0x555579e166a0, 24 [pid 1273] +++ exited with 0 +++ [pid 1276] <... rmdir resumed>) = 0 [pid 1271] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1271] write(1, "executing program\n", 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1275] <... set_robust_list resumed>) = 0 [pid 1271] <... write resumed>) = 18 executing program [pid 1275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1271] mkdirat(AT_FDCWD, "./config", 0777 [pid 1275] setpgid(0, 0) = 0 [pid 1275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1275] <... openat resumed>) = 3 [pid 1275] write(3, "1000", 4) = 4 [pid 1275] close(3 [pid 1276] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1271] mount(NULL, "./config", "configfs", 0, NULL [pid 1275] <... close resumed>) = 0 [pid 1275] write(1, "executing program\n", 18) = 18 [pid 1275] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1275] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1271] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 1275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1276] exit_group(0 [pid 1275] <... mkdirat resumed>) = 0 [pid 1271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1271] rmdir("./config/usb_gadget/g1") = 0 [pid 1271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1271] exit_group(0) = ? [pid 1271] +++ exited with 0 +++ [pid 1275] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1275] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1275] exit_group(0) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1276] <... exit_group resumed>) = ? [pid 306] <... restart_syscall 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 1276] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1277 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1275] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1277 attached [pid 1277] set_robust_list(0x555579e166a0, 24) = 0 [pid 1277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1278 [pid 1277] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1279 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1277] setpgid(0, 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1277] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1277] write(3, "1000", 4) = 4 [pid 1277] close(3) = 0 [pid 1277] write(1, "executing program\n", 18) = 18 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1280 [pid 1277] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1277] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1280 attached [pid 1280] set_robust_list(0x555579e166a0, 24) = 0 [pid 1277] <... mkdirat resumed>) = 0 [pid 1277] rmdir("./config/usb_gadget/g1") = 0 [pid 1277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1277] exit_group(0) = ? [pid 1277] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1278 attached [pid 1278] set_robust_list(0x555579e166a0, 24) = 0 [pid 1278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1278] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1279 attached [pid 1279] set_robust_list(0x555579e166a0, 24 [pid 1278] <... prctl resumed>) = 0 [pid 1278] setpgid(0, 0 [pid 1279] <... set_robust_list resumed>) = 0 [pid 1278] <... setpgid resumed>) = 0 [pid 1279] rt_sigprocmask(SIG_SETMASK, [] [pid 1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1280] rt_sigprocmask(SIG_SETMASK, [] [pid 1279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1278] <... openat resumed>) = 3 [pid 1279] <... prctl resumed>) = 0 [pid 1279] setpgid(0, 0) = 0 [pid 1280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1278] write(3, "1000", 4) = 4 [pid 1278] close(3) = 0 [pid 1279] <... openat resumed>) = 3 [pid 1278] write(1, "executing program\n", 18) = 18 executing program [pid 1278] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1279] write(3, "1000", 4) = 4 [pid 1278] mount(NULL, "./config", "configfs", 0, NULL [pid 1279] close(3 [pid 1278] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1279] <... close resumed>) = 0 [pid 1280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1279] write(1, "executing program\n", 18) = 18 [pid 1279] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1280] <... prctl resumed>) = 0 [pid 1279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1279] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1280] setpgid(0, 0 [pid 1279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1278] <... mkdirat resumed>) = 0 [pid 1278] rmdir("./config/usb_gadget/g1") = 0 [pid 1278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1278] exit_group(0) = ? [pid 1278] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 1280] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1281 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1281 attached [pid 1281] set_robust_list(0x555579e166a0, 24) = 0 [pid 1281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1282 [pid 1281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1281] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1281] setpgid(0, 0) = 0 [pid 1281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1281] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1283 [pid 1281] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1281] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1281] <... close resumed>) = 0 [pid 1281] write(1, "executing program\n", 18) = 18 [pid 1281] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1281] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1283 attached [pid 1283] set_robust_list(0x555579e166a0, 24) = 0 [pid 1283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1280] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1282 attached [pid 1283] <... prctl resumed>) = 0 [pid 1283] setpgid(0, 0 [pid 1282] set_robust_list(0x555579e166a0, 24 [pid 1283] <... setpgid resumed>) = 0 [pid 1283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1282] <... set_robust_list resumed>) = 0 [pid 1282] rt_sigprocmask(SIG_SETMASK, [] [pid 1283] <... openat resumed>) = 3 [pid 1282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1282] setpgid(0, 0 [pid 1283] write(3, "1000", 4 [pid 1282] <... setpgid resumed>) = 0 [pid 1283] <... write resumed>) = 4 [pid 1283] close(3 [pid 1282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1283] <... close resumed>) = 0 [pid 1283] write(1, "executing program\n", 18) = 18 [pid 1283] mkdirat(AT_FDCWD, "./config", 0777 [pid 1280] write(3, "1000", 4 [pid 1282] <... openat resumed>) = 3 [pid 1283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1279] <... mkdirat resumed>) = 0 [pid 1280] <... write resumed>) = 4 executing program [pid 1281] <... mkdirat resumed>) = -1 EEXIST (File exists) [ 31.867763][ T1267] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.867763][ T1267] 7) [pid 1281] rmdir("./config/usb_gadget/g1" [pid 1280] close(3 [pid 1279] rmdir("./config/usb_gadget/g1" [pid 1281] <... rmdir resumed>) = 0 [pid 1281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1281] exit_group(0) = ? [pid 1280] <... close resumed>) = 0 [pid 1279] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1281] +++ exited with 0 +++ [pid 1280] write(1, "executing program\n", 18 [pid 1279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1283] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1282] write(3, "1000", 4) = 4 [pid 1282] close(3) = 0 [pid 1283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1280] <... write resumed>) = 18 executing program [pid 1279] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1282] write(1, "executing program\n", 18) = 18 executing program [pid 1282] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1280] mkdirat(AT_FDCWD, "./config", 0777 [pid 1282] mount(NULL, "./config", "configfs", 0, NULL [pid 1279] exit_group(0 [pid 1280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1282] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1280] mount(NULL, "./config", "configfs", 0, NULL [pid 1279] <... exit_group resumed>) = ? [pid 1283] <... mkdirat resumed>) = 0 [pid 1282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1282] rmdir("./config/usb_gadget/g1") = 0 [pid 1283] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1283] exit_group(0) = ? [pid 1280] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1282] exit_group(0) = ? [pid 1279] +++ exited with 0 +++ [pid 1280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1283] +++ exited with 0 +++ [pid 1282] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1284 [pid 305] 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 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1284 attached [pid 1284] set_robust_list(0x555579e166a0, 24) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1284] <... prctl resumed>) = 0 [pid 1284] setpgid(0, 0) = 0 [pid 1284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1284] write(3, "1000", 4) = 4 [pid 1284] close(3) = 0 [pid 1284] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1285 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1286 [pid 1284] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1287 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1284] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1280] <... mkdirat resumed>) = 0 executing program [pid 1284] mount(NULL, "./config", "configfs", 0, NULL [pid 1280] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1287 attached [pid 1284] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1285 attached [pid 1285] set_robust_list(0x555579e166a0, 24) = 0 [pid 1285] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1286 attached , NULL, 8) = 0 [pid 1285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1286] set_robust_list(0x555579e166a0, 24) = 0 [pid 1280] <... rmdir resumed>) = 0 [pid 1284] <... mkdirat resumed>) = 0 [pid 1284] rmdir("./config/usb_gadget/g1") = 0 [pid 1285] <... prctl resumed>) = 0 [pid 1285] setpgid(0, 0) = 0 [pid 1285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1286] <... prctl resumed>) = 0 [pid 1286] setpgid(0, 0) = 0 [pid 1286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1280] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1287] set_robust_list(0x555579e166a0, 24 [pid 1285] <... openat resumed>) = 3 [pid 1285] write(3, "1000", 4) = 4 [pid 1286] <... openat resumed>) = 3 [pid 1285] close(3 [pid 1280] exit_group(0 [pid 1285] <... close resumed>) = 0 [pid 1285] write(1, "executing program\n", 18) = 18 executing program [pid 1285] mkdirat(AT_FDCWD, "./config", 0777 [pid 1286] write(3, "1000", 4 [pid 1285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1280] <... exit_group resumed>) = ? [pid 1286] <... write resumed>) = 4 [pid 1284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1285] mount(NULL, "./config", "configfs", 0, NULL [pid 1286] close(3 [pid 1285] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1286] <... close resumed>) = 0 [pid 1286] write(1, "executing program\n", 18 [pid 1280] +++ exited with 0 +++ [pid 1286] <... write resumed>) = 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1286] mkdirat(AT_FDCWD, "./config", 0777 [pid 1284] exit_group(0 [pid 1285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1287] <... set_robust_list resumed>) = 0 [pid 1286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1284] <... exit_group resumed>) = ? [pid 1287] rt_sigprocmask(SIG_SETMASK, [] [pid 1286] mount(NULL, "./config", "configfs", 0, NULL [pid 1284] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1285] <... mkdirat resumed>) = 0 [pid 1285] rmdir("./config/usb_gadget/g1") = 0 [pid 1285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 304] <... restart_syscall resumed>) = 0 [pid 1285] exit_group(0) = ? [pid 1286] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] 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, child_tidptr=0x555579e16690) = 1289 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1288 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1285] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1288 attached ci2-android-5-15/strace-static-x86_64: Process 1289 attached [pid 1289] set_robust_list(0x555579e166a0, 24 [pid 1288] set_robust_list(0x555579e166a0, 24 [pid 1289] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1287] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1288] <... set_robust_list resumed>) = 0 [pid 1287] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1287] <... setpgid resumed>) = 0 [pid 1288] rt_sigprocmask(SIG_SETMASK, [] [pid 1289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1290 [pid 1288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1289] <... prctl resumed>) = 0 [pid 1289] setpgid(0, 0) = 0 [pid 1287] <... openat resumed>) = 3 [pid 1289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1287] write(3, "1000", 4 [pid 1286] <... mkdirat resumed>) = 0 [pid 1288] <... prctl resumed>) = 0 [pid 1288] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 1290 attached [pid 1287] <... write resumed>) = 4 [pid 1286] rmdir("./config/usb_gadget/g1" [pid 1288] <... setpgid resumed>) = 0 [pid 1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1288] write(3, "1000", 4) = 4 [pid 1288] close(3) = 0 [pid 1288] write(1, "executing program\n", 18) = 18 executing program [pid 1288] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1288] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1288] rmdir("./config/usb_gadget/g1" [pid 1287] close(3) = 0 [pid 1290] set_robust_list(0x555579e166a0, 24 [pid 1287] write(1, "executing program\n", 18 [pid 1286] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1286] exit_group(0) = ? [pid 1287] <... write resumed>) = 18 executing program [pid 1286] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1287] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1288] <... rmdir resumed>) = 0 [pid 1287] mount(NULL, "./config", "configfs", 0, NULL [pid 1290] <... set_robust_list resumed>) = 0 [pid 1288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1287] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1288] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1288] exit_group(0) = ? [pid 1287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1288] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1289] <... openat resumed>) = 3 [pid 1289] write(3, "1000", 4) = 4 [pid 1289] close(3) = 0 [pid 1289] write(1, "executing program\n", 18) = 18 [pid 1289] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1289] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1290] setpgid(0, 0) = 0 [pid 1287] <... mkdirat resumed>) = 0 executing program [pid 1289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1289] rmdir("./config/usb_gadget/g1" [pid 1287] rmdir("./config/usb_gadget/g1" [pid 1290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1290] write(3, "1000", 4) = 4 [pid 1290] close(3) = 0 [pid 1289] <... rmdir resumed>) = 0 [pid 1290] write(1, "executing program\n", 18 [pid 1287] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1287] exit_group(0) = ? [pid 1289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 executing program [pid 1290] <... write resumed>) = 18 [pid 1289] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1290] mkdirat(AT_FDCWD, "./config", 0777 [pid 1289] exit_group(0 [pid 1290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1290] mount(NULL, "./config", "configfs", 0, NULL [pid 1287] +++ exited with 0 +++ [pid 1289] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1290] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1290] rmdir("./config/usb_gadget/g1" [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1290] <... rmdir resumed>) = 0 [pid 1290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1290] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 1290] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1289] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1291 attached [pid 1291] set_robust_list(0x555579e166a0, 24 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1291 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1292 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1293 [pid 1291] <... set_robust_list resumed>) = 0 [pid 1291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1294 ci2-android-5-15/strace-static-x86_64: Process 1294 attached ci2-android-5-15/strace-static-x86_64: Process 1293 attached ci2-android-5-15/strace-static-x86_64: Process 1292 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1291] setpgid(0, 0) = 0 [pid 1291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1293] set_robust_list(0x555579e166a0, 24 [pid 1292] set_robust_list(0x555579e166a0, 24 [pid 1291] <... openat resumed>) = 3 [pid 1291] write(3, "1000", 4) = 4 [pid 1291] close(3) = 0 [pid 1291] write(1, "executing program\n", 18) = 18 [pid 1291] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1293] <... set_robust_list resumed>) = 0 [pid 1292] <... set_robust_list resumed>) = 0 executing program [pid 1291] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1293] rt_sigprocmask(SIG_SETMASK, [] [pid 1291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1292] rt_sigprocmask(SIG_SETMASK, [] [pid 1293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1291] <... mkdirat resumed>) = 0 [pid 1291] rmdir("./config/usb_gadget/g1") = 0 [pid 1291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1291] exit_group(0) = ? [pid 1291] +++ exited with 0 +++ [pid 1294] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1294] <... prctl resumed>) = 0 [pid 1294] setpgid(0, 0) = 0 [pid 1293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1294] write(3, "1000", 4 [pid 1293] <... prctl resumed>) = 0 [pid 1294] <... write resumed>) = 4 [pid 1294] close(3) = 0 [pid 1293] setpgid(0, 0 [pid 1292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1294] write(1, "executing program\n", 18) = 18 [pid 1294] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1294] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1293] <... setpgid resumed>) = 0 [pid 1292] <... prctl resumed>) = 0 [pid 308] <... 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, child_tidptr=0x555579e16690) = 1295 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1292] setpgid(0, 0 [pid 1294] <... mkdirat resumed>) = 0 executing program executing program [pid 1294] rmdir("./config/usb_gadget/g1") = 0 [pid 1294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1294] exit_group(0) = ? [pid 1292] <... setpgid resumed>) = 0 [pid 1293] <... openat resumed>) = 3 [pid 1293] write(3, "1000", 4 [pid 1292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1293] <... write resumed>) = 4 [pid 1292] <... openat resumed>) = 3 [pid 1293] close(3 [pid 1294] +++ exited with 0 +++ [pid 1293] <... close resumed>) = 0 [pid 1292] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1293] write(1, "executing program\n", 18 [pid 1292] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1293] <... write resumed>) = 18 [pid 1292] close(3 [pid 1293] mkdirat(AT_FDCWD, "./config", 0777 [pid 1292] <... close resumed>) = 0 [pid 1293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1292] write(1, "executing program\n", 18 [pid 1293] mount(NULL, "./config", "configfs", 0, NULL [pid 1292] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 1295 attached [pid 1293] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1292] mkdirat(AT_FDCWD, "./config", 0777 [pid 1293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1292] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1295] set_robust_list(0x555579e166a0, 24) = 0 [pid 1295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1295] setpgid(0, 0 [pid 1293] <... mkdirat resumed>) = 0 [pid 1295] <... setpgid resumed>) = 0 [pid 1295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1295] write(3, "1000", 4) = 4 [pid 1295] close(3) = 0 [pid 1295] write(1, "executing program\n", 18) = 18 [pid 1295] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1295] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 [pid 1295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1292] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1292] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1293] rmdir("./config/usb_gadget/g1" [pid 1292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1292] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1295] rmdir("./config/usb_gadget/g1" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1292] rmdir("./config/usb_gadget/g1" [pid 1293] <... rmdir resumed>) = 0 [pid 1295] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1295] exit_group(0) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1295] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1296 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1296 attached [pid 1296] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1297 [pid 1293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1292] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1296] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1293] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1292] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1293] exit_group(0 [pid 1292] exit_group(0 [pid 1293] <... exit_group resumed>) = ? executing program [pid 1296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1296] setpgid(0, 0) = 0 [pid 1296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1292] <... exit_group resumed>) = ? [pid 1296] <... openat resumed>) = 3 [pid 1296] write(3, "1000", 4) = 4 [pid 1296] close(3) = 0 [pid 1296] write(1, "executing program\n", 18) = 18 [pid 1296] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1293] +++ exited with 0 +++ [pid 1296] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1292] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1296] <... mkdirat resumed>) = 0 [pid 1296] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1297 attached ) = 0 [pid 1296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1296] exit_group(0) = ? [pid 1296] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 1297] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1297] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1298 ci2-android-5-15/strace-static-x86_64: Process 1298 attached [pid 1297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1298] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1298] <... set_robust_list resumed>) = 0 [pid 1297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1298] setpgid(0, 0) = 0 [pid 1298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1297] <... prctl resumed>) = 0 [pid 1298] <... openat resumed>) = 3 [pid 1298] write(3, "1000", 4) = 4 [pid 1298] close(3) = 0 [pid 1298] write(1, "executing program\n", 18) = 18 executing program [pid 1298] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1298] mount(NULL, "./config", "configfs", 0, NULL [pid 1297] setpgid(0, 0 [pid 1298] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1297] <... setpgid resumed>) = 0 [pid 1298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1297] write(3, "1000", 4) = 4 [pid 1298] <... mkdirat resumed>) = 0 [pid 1297] close(3) = 0 [pid 1297] write(1, "executing program\n", 18) = 18 [pid 1297] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1297] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1298] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1297] rmdir("./config/usb_gadget/g1" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1299 [pid 1298] <... rmdir resumed>) = 0 [pid 1297] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1300 [pid 1297] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1297] exit_group(0) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 1299 attached [pid 1298] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 1297] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1300 attached [pid 1299] set_robust_list(0x555579e166a0, 24 [pid 1298] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1299] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1300] set_robust_list(0x555579e166a0, 24 [pid 1299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1299] setpgid(0, 0) = 0 [pid 1299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1300] <... set_robust_list resumed>) = 0 [pid 1299] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] 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-5-15/strace-static-x86_64: Process 1301 attached [pid 1300] rt_sigprocmask(SIG_SETMASK, [] [pid 1299] <... write resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1301 ci2-android-5-15/strace-static-x86_64: Process 1302 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1302 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1302] set_robust_list(0x555579e166a0, 24 [pid 1301] set_robust_list(0x555579e166a0, 24 [pid 1300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] <... close resumed>) = 0 [pid 1299] write(1, "executing program\n", 18) = 18 executing program [pid 1299] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 1299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1299] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1302] <... set_robust_list resumed>) = 0 [pid 1301] <... set_robust_list resumed>) = 0 [pid 1299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1302] rt_sigprocmask(SIG_SETMASK, [] [pid 1301] rt_sigprocmask(SIG_SETMASK, [] [pid 1300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1299] <... mkdirat 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 1302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1300] <... prctl resumed>) = 0 [pid 1299] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1303 attached [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1300] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1303 [pid 1303] set_robust_list(0x555579e166a0, 24 [pid 1302] <... prctl resumed>) = 0 [pid 1301] <... prctl resumed>) = 0 [pid 1300] <... setpgid resumed>) = 0 [pid 1299] <... rmdir resumed>) = 0 [pid 1299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1303] <... set_robust_list resumed>) = 0 [pid 1302] setpgid(0, 0 [pid 1301] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1301] <... setpgid resumed>) = 0 [pid 1299] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] <... exit_group resumed>) = ? [pid 1303] rt_sigprocmask(SIG_SETMASK, [] [pid 1302] <... setpgid resumed>) = 0 [pid 1301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1303] setpgid(0, 0) = 0 [pid 1303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1303] <... openat resumed>) = 3 [pid 1302] <... openat resumed>) = 3 [pid 1301] <... openat resumed>) = 3 [pid 1300] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1304 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1304 [pid 1304] set_robust_list(0x555579e166a0, 24 [pid 1303] write(3, "1000", 4 [pid 1302] write(3, "1000", 4 [pid 1301] write(3, "1000", 4 [pid 1300] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1301] <... write resumed>) = 4 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1301] close(3) = 0 [pid 1300] <... write resumed>) = 4 [pid 1302] <... write resumed>) = 4 [pid 1301] write(1, "executing program\n", 18 [pid 1300] close(3 [pid 1304] <... set_robust_list resumed>) = 0 executing program [pid 1303] <... write resumed>) = 4 [pid 1302] close(3 [pid 1301] <... write resumed>) = 18 [pid 1300] <... close resumed>) = 0 [pid 1304] rt_sigprocmask(SIG_SETMASK, [] [pid 1303] close(3 [pid 1302] <... close resumed>) = 0 [pid 1301] mkdirat(AT_FDCWD, "./config", 0777 [pid 1300] write(1, "executing program\n", 18 [pid 1304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1304] setpgid(0, 0) = 0 [pid 1304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1302] write(1, "executing program\n", 18 [pid 1301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1300] <... write resumed>) = 18 [pid 1304] <... openat resumed>) = 3 [pid 1301] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1300] mkdirat(AT_FDCWD, "./config", 0777 [pid 1304] write(3, "1000", 4 [pid 1302] <... write resumed>) = 18 [pid 1301] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1303] <... close resumed>) = 0 [pid 1300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1304] <... write resumed>) = 4 [pid 1304] close(3) = 0 [pid 1304] write(1, "executing program\n", 18) = 18 executing program [pid 1304] mkdirat(AT_FDCWD, "./config", 0777 [pid 1303] write(1, "executing program\n", 18 [pid 1302] mkdirat(AT_FDCWD, "./config", 0777 [pid 1301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1300] mount(NULL, "./config", "configfs", 0, NULL [pid 1303] <... write resumed>) = 18 executing program [pid 1304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1303] mkdirat(AT_FDCWD, "./config", 0777 [pid 1302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1301] <... mkdirat resumed>) = 0 [pid 1300] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1302] mount(NULL, "./config", "configfs", 0, NULL [pid 1301] rmdir("./config/usb_gadget/g1" [pid 1300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1303] mount(NULL, "./config", "configfs", 0, NULL [pid 1302] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1301] <... rmdir resumed>) = 0 [pid 1300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1303] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1300] rmdir("./config/usb_gadget/g1" [pid 1303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1302] <... mkdirat resumed>) = 0 [pid 1301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1300] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1304] mount(NULL, "./config", "configfs", 0, NULL [pid 1303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1302] rmdir("./config/usb_gadget/g1" [pid 1300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1304] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1304] rmdir("./config/usb_gadget/g1" [pid 1303] rmdir("./config/usb_gadget/g1" [pid 1301] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1300] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1300] exit_group(0 [pid 1301] exit_group(0 [pid 1300] <... exit_group resumed>) = ? [pid 1301] <... exit_group resumed>) = ? [pid 1304] <... rmdir resumed>) = 0 [pid 1302] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1301] +++ exited with 0 +++ [pid 1300] +++ exited with 0 +++ [pid 1303] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1301, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1303] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1302] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1303] exit_group(0 [pid 1302] exit_group(0 [pid 1303] <... exit_group resumed>) = ? [pid 1302] <... exit_group resumed>) = ? [pid 1303] +++ exited with 0 +++ [pid 1302] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1302, 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 1304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1304] exit_group(0) = ? [pid 1304] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... 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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1305 attached , child_tidptr=0x555579e16690) = 1305 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1305] set_robust_list(0x555579e166a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1305] setpgid(0, 0) = 0 [pid 1305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1306 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1305] <... openat resumed>) = 3 [pid 1305] write(3, "1000", 4) = 4 [pid 1305] close(3) = 0 [pid 1305] write(1, "executing program\n", 18) = 18 executing program [pid 1305] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1305] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1305] <... mkdirat resumed>) = 0 [pid 1305] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1307 attached [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1305] <... rmdir resumed>) = 0 [pid 1305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1305] exit_group(0) = ? [pid 1305] +++ exited with 0 +++ [pid 1307] set_robust_list(0x555579e166a0, 24) = 0 [pid 1307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1307 [pid 1307] <... prctl resumed>) = 0 [pid 1307] setpgid(0, 0) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1307] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1308 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1309 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1309 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1307] <... write resumed>) = 4 [pid 1307] close(3) = 0 [pid 1307] write(1, "executing program\n", 18) = 18 executing program [pid 1307] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1307] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1309] set_robust_list(0x555579e166a0, 24 [pid 1307] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1306 attached [pid 1306] set_robust_list(0x555579e166a0, 24) = 0 [pid 1306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1306] setpgid(0, 0) = 0 [pid 1306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1307] rmdir("./config/usb_gadget/g1") = 0 [pid 1306] <... openat resumed>) = 3 [pid 1306] write(3, "1000", 4) = 4 [pid 1306] close(3) = 0 [pid 1306] write(1, "executing program\n", 18) = 18 [pid 1306] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1306] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1307] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1306] <... mkdirat resumed>) = 0 [pid 1307] exit_group(0) = ? [pid 1307] +++ exited with 0 +++ [pid 1306] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1306] <... rmdir resumed>) = 0 [pid 1306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1306] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1310 [pid 1306] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1308 attached [pid 1309] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1310 attached [pid 1308] set_robust_list(0x555579e166a0, 24) = 0 [pid 1308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1309] rt_sigprocmask(SIG_SETMASK, [] [pid 1308] <... prctl resumed>) = 0 [pid 1309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1308] setpgid(0, 0) = 0 [pid 1308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1306] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1308] <... openat resumed>) = 3 [pid 1308] write(3, "1000", 4 [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1308] <... write resumed>) = 4 [pid 1308] close(3) = 0 [pid 1308] write(1, "executing program\n", 18) = 18 executing program [pid 1308] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1308] mount(NULL, "./config", "configfs", 0, NULL [pid 1309] <... prctl resumed>) = 0 [pid 1308] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1309] setpgid(0, 0 [pid 1310] set_robust_list(0x555579e166a0, 24 [pid 1308] <... mkdirat resumed>) = 0 [pid 1308] rmdir("./config/usb_gadget/g1") = 0 [pid 1308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1308] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 1308] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1310] <... set_robust_list resumed>) = 0 [pid 1309] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1311 ci2-android-5-15/strace-static-x86_64: Process 1311 attached [pid 1311] set_robust_list(0x555579e166a0, 24) = 0 [pid 1311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1312 [pid 1311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1309] <... openat resumed>) = 3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1309] write(3, "1000", 4 [pid 1311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1311] setpgid(0, 0) = 0 [pid 1311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1311] write(3, "1000", 4) = 4 [pid 1311] close(3) = 0 [pid 1311] write(1, "executing program\n", 18) = 18 executing program [pid 1311] mkdirat(AT_FDCWD, "./config", 0777 [pid 1309] <... write resumed>) = 4 [pid 1311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1311] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1309] close(3) = 0 [pid 1309] write(1, "executing program\n", 18) = 18 [pid 1311] <... mkdirat resumed>) = 0 [pid 1311] rmdir("./config/usb_gadget/g1") = 0 [pid 1311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1311] exit_group(0) = ? [pid 1311] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1312 attached [pid 1312] set_robust_list(0x555579e166a0, 24) = 0 [pid 1312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1309] mkdirat(AT_FDCWD, "./config", 0777 [pid 1312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1312] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1312] <... setpgid resumed>) = 0 [pid 1309] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1309] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1312] <... openat resumed>) = 3 [pid 1312] write(3, "1000", 4) = 4 [pid 1312] close(3) = 0 [pid 1312] write(1, "executing program\n", 18 [pid 1309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1313 [pid 1312] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1312] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1312] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1313 attached [pid 1313] set_robust_list(0x555579e166a0, 24) = 0 [pid 1313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1313] setpgid(0, 0) = 0 [pid 1313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1313] write(3, "1000", 4) = 4 [pid 1313] close(3 executing program [pid 1309] <... mkdirat resumed>) = 0 [pid 1312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1312] rmdir("./config/usb_gadget/g1" [pid 1309] rmdir("./config/usb_gadget/g1" [pid 1310] rt_sigprocmask(SIG_SETMASK, [] [pid 1312] <... rmdir resumed>) = 0 [pid 1312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1312] exit_group(0) = ? [pid 1309] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1312] +++ exited with 0 +++ [pid 1309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1310] <... prctl resumed>) = 0 [pid 1309] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1313] <... close resumed>) = 0 [pid 1313] write(1, "executing program\n", 18) = 18 executing program [pid 1313] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1313] mount(NULL, "./config", "configfs", 0, NULL [pid 1309] exit_group(0 [pid 1310] setpgid(0, 0 [pid 1309] <... exit_group resumed>) = ? [pid 1310] <... setpgid resumed>) = 0 [pid 1313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1313] rmdir("./config/usb_gadget/g1") = 0 [pid 1313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1313] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1313] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1314 attached [pid 1314] set_robust_list(0x555579e166a0, 24) = 0 [pid 1314] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1314 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1309] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1315 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1310] <... openat resumed>) = 3 [pid 1314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1314] setpgid(0, 0) = 0 [pid 1314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1310] write(3, "1000", 4 [pid 1314] write(3, "1000", 4) = 4 [pid 1314] close(3) = 0 [pid 1314] write(1, "executing program\n", 18) = 18 executing program [pid 1314] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1314] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1310] <... write resumed>) = 4 [pid 1314] <... mkdirat resumed>) = 0 [pid 1314] rmdir("./config/usb_gadget/g1" [pid 1310] close(3) = 0 [pid 1314] <... rmdir resumed>) = 0 [pid 1314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1314] exit_group(0) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 1310] write(1, "executing program\n", 18) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1310] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1315 attached [pid 1315] set_robust_list(0x555579e166a0, 24 [pid 1310] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1316 [pid 1314] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1310] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1315] <... set_robust_list resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1310] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 1315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1315] setpgid(0, 0) = 0 [pid 1315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1316 attached [pid 1316] set_robust_list(0x555579e166a0, 24) = 0 [pid 1316] rt_sigprocmask(SIG_SETMASK, [] [pid 1315] <... openat resumed>) = 3 [pid 1316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1316] setpgid(0, 0) = 0 [pid 1316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1316] write(3, "1000", 4) = 4 [pid 1316] close(3) = 0 [pid 1316] write(1, "executing program\n", 18) = 18 [pid 1316] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1316] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 1315] write(3, "1000", 4 [pid 1310] <... mkdirat resumed>) = 0 [pid 1316] rmdir("./config/usb_gadget/g1" [pid 1310] rmdir("./config/usb_gadget/g1" [pid 1315] <... write resumed>) = 4 [pid 308] <... 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, child_tidptr=0x555579e16690) = 1317 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1317 attached [pid 1317] set_robust_list(0x555579e166a0, 24) = 0 [pid 1316] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1315] close(3 [pid 1310] <... rmdir resumed>) = 0 [pid 1316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1316] exit_group(0 [pid 1310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1316] <... exit_group resumed>) = ? [pid 1315] <... close resumed>) = 0 [pid 1317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1317] setpgid(0, 0) = 0 [pid 1317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1316] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1315] write(1, "executing program\n", 18 [pid 1310] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1310] exit_group(0 [pid 1315] <... write resumed>) = 18 [pid 1310] <... exit_group resumed>) = ? [pid 1317] <... openat resumed>) = 3 [pid 1317] write(3, "1000", 4) = 4 [pid 1317] close(3) = 0 [pid 1317] write(1, "executing program\n", 18) = 18 [pid 1317] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1310] +++ exited with 0 +++ [pid 1317] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 1315] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1317] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [ 32.009916][ T1301] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.009916][ T1301] 7) [pid 1315] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 1317] <... mkdirat resumed>) = 0 [pid 1317] rmdir("./config/usb_gadget/g1") = 0 [pid 1317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1317] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1317] <... exit_group resumed>) = ? [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555579e16690) = 1318 [pid 1315] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1317] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1318 attached [pid 307] <... restart_syscall resumed>) = 0 [pid 1318] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1318] setpgid(0, 0) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1318] write(3, "1000", 4) = 4 [pid 1318] close(3) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1318] write(1, "executing program\n", 18) = 18 [pid 1318] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1318] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1319 [pid 1318] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1315] <... mkdirat resumed>) = 0 [pid 1318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1318] rmdir("./config/usb_gadget/g1" [pid 1315] rmdir("./config/usb_gadget/g1" [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1320 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1318] <... rmdir resumed>) = 0 [pid 1318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1318] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1318] <... exit_group resumed>) = ? [pid 1315] <... rmdir resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1318] +++ exited with 0 +++ [pid 1315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1319 attached [pid 1319] set_robust_list(0x555579e166a0, 24) = 0 [pid 1319] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1315] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1315] exit_group(0 [pid 1319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1319] setpgid(0, 0) = 0 [pid 1319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 1320 attached [pid 1320] set_robust_list(0x555579e166a0, 24) = 0 [pid 1319] write(3, "1000", 4 [pid 1315] <... exit_group resumed>) = ? [pid 1319] <... write resumed>) = 4 [pid 1320] rt_sigprocmask(SIG_SETMASK, [] [pid 1319] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 1320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1315] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] 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, child_tidptr=0x555579e16690) = 1322 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1321 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1323 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1319] <... close resumed>) = 0 [pid 1319] write(1, "executing program\n", 18) = 18 executing program [pid 1319] mkdirat(AT_FDCWD, "./config", 0777 [pid 1320] <... prctl resumed>) = 0 [pid 1320] setpgid(0, 0) = 0 [pid 1320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1319] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1323 attached [pid 1319] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1323] set_robust_list(0x555579e166a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 1321 attached ci2-android-5-15/strace-static-x86_64: Process 1322 attached [pid 1323] rt_sigprocmask(SIG_SETMASK, [] [pid 1320] <... openat resumed>) = 3 [pid 1319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1321] set_robust_list(0x555579e166a0, 24 [pid 1323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1322] set_robust_list(0x555579e166a0, 24 [pid 1321] <... set_robust_list resumed>) = 0 [pid 1320] write(3, "1000", 4 [pid 1323] <... prctl resumed>) = 0 [pid 1319] <... mkdirat resumed>) = 0 [pid 1319] rmdir("./config/usb_gadget/g1") = 0 [pid 1319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1319] exit_group(0) = ? [pid 1319] +++ exited with 0 +++ [pid 1322] <... set_robust_list resumed>) = 0 [pid 1322] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1322] setpgid(0, 0) = 0 [pid 1322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1322] write(3, "1000", 4) = 4 [pid 1322] close(3) = 0 [pid 1322] write(1, "executing program\n", 18) = 18 executing program [pid 1322] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1322] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1323] setpgid(0, 0 [pid 1320] <... write resumed>) = 4 [pid 1322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1323] <... setpgid resumed>) = 0 [pid 1320] close(3 [pid 1322] <... mkdirat resumed>) = 0 [pid 1322] rmdir("./config/usb_gadget/g1") = 0 [pid 1322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1322] exit_group(0) = ? [pid 1322] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1320] <... close resumed>) = 0 [pid 1321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1321] setpgid(0, 0) = 0 [pid 1321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1321] write(3, "1000", 4) = 4 [pid 1321] close(3) = 0 [pid 1321] write(1, "executing program\n", 18) = 18 [pid 1321] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1321] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1321] rmdir("./config/usb_gadget/g1") = 0 [pid 1321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1321] exit_group(0) = ? [pid 1321] +++ exited with 0 +++ [pid 1320] write(1, "executing program\n", 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1323] <... openat resumed>) = 3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1323] write(3, "1000", 4 [pid 1320] <... write resumed>) = 18 executing program [pid 1320] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1320] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1323] <... write resumed>) = 4 [pid 1323] close(3) = 0 [pid 1323] write(1, "executing program\n", 18) = 18 [pid 1323] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1323] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1320] <... mkdirat resumed>) = 0 [pid 1323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1323] rmdir("./config/usb_gadget/g1" [pid 1320] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1323] <... rmdir resumed>) = 0 [pid 1320] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1324 [pid 1320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1325 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1326 [pid 1323] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1320] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1323] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1323] <... exit_group resumed>) = ? [pid 1320] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1324 attached ci2-android-5-15/strace-static-x86_64: Process 1325 attached [pid 1325] set_robust_list(0x555579e166a0, 24 [pid 1324] set_robust_list(0x555579e166a0, 24) = 0 [pid 1323] +++ exited with 0 +++ [pid 1325] <... set_robust_list resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1320] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1324] rt_sigprocmask(SIG_SETMASK, [] [pid 1325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1320] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1325] <... prctl resumed>) = 0 [pid 1325] setpgid(0, 0) = 0 [pid 1325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1326 attached [pid 1324] <... prctl resumed>) = 0 [pid 1326] set_robust_list(0x555579e166a0, 24 [pid 1324] setpgid(0, 0 [pid 1325] <... openat resumed>) = 3 [pid 1325] write(3, "1000", 4) = 4 [pid 1325] close(3) = 0 [pid 1326] <... set_robust_list resumed>) = 0 [pid 1325] write(1, "executing program\n", 18 [pid 1324] <... setpgid resumed>) = 0 [pid 1326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1325] <... write resumed>) = 18 [pid 1326] setpgid(0, 0) = 0 [pid 1326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1325] mkdirat(AT_FDCWD, "./config", 0777 [pid 1326] <... openat resumed>) = 3 [pid 1325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1324] <... openat resumed>) = 3 [pid 1326] write(3, "1000", 4) = 4 [pid 1326] close(3) = 0 [pid 1325] mount(NULL, "./config", "configfs", 0, NULL [pid 1326] write(1, "executing program\n", 18) = 18 executing program [pid 1326] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1326] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1325] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1324] write(3, "1000", 4) = 4 [pid 1325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1324] close(3) = 0 [pid 1324] write(1, "executing program\n", 18) = 18 executing program [pid 1324] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1324] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1326] <... mkdirat resumed>) = 0 [pid 1324] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1324] rmdir("./config/usb_gadget/g1" [pid 1326] rmdir("./config/usb_gadget/g1" [pid 1325] rmdir("./config/usb_gadget/g1" [pid 1324] <... rmdir resumed>) = 0 [pid 1324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1325] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1326] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1324] exit_group(0) = ? [pid 1325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 1325] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1326] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1325] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1326] exit_group(0 [pid 1325] <... exit_group resumed>) = ? [pid 304] 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=0x555579e16690) = 1328 [pid 1326] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1327 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1327 attached [pid 1327] set_robust_list(0x555579e166a0, 24) = 0 [pid 1327] rt_sigprocmask(SIG_SETMASK, [] [pid 1325] +++ exited with 0 +++ [pid 1326] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1324] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... 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 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1329 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1329 attached ci2-android-5-15/strace-static-x86_64: Process 1328 attached [pid 1327] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1329] set_robust_list(0x555579e166a0, 24) = 0 [pid 1329] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1331 attached ci2-android-5-15/strace-static-x86_64: Process 1330 attached [pid 1328] set_robust_list(0x555579e166a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1330 [pid 1327] <... setpgid resumed>) = 0 [pid 1331] set_robust_list(0x555579e166a0, 24 [pid 1330] set_robust_list(0x555579e166a0, 24 [pid 1329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1331] <... set_robust_list resumed>) = 0 [pid 1329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1331 [pid 1330] <... set_robust_list resumed>) = 0 [pid 1328] <... set_robust_list resumed>) = 0 [pid 1327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] rt_sigprocmask(SIG_SETMASK, [] [pid 1329] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1329] setpgid(0, 0 [pid 1331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1330] rt_sigprocmask(SIG_SETMASK, [] [pid 1329] <... setpgid resumed>) = 0 [pid 1328] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] <... prctl resumed>) = 0 [pid 1330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1327] <... openat resumed>) = 3 [pid 1329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1331] setpgid(0, 0 [pid 1329] <... openat resumed>) = 3 [pid 1328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1329] write(3, "1000", 4) = 4 [pid 1329] close(3) = 0 [pid 1329] write(1, "executing program\n", 18) = 18 executing program [pid 1329] mkdirat(AT_FDCWD, "./config", 0777 [pid 1331] <... setpgid resumed>) = 0 [pid 1329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1329] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1329] <... mkdirat resumed>) = 0 [pid 1328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1327] write(3, "1000", 4 [pid 1331] <... openat resumed>) = 3 [pid 1331] write(3, "1000", 4 [pid 1330] <... prctl resumed>) = 0 [pid 1329] rmdir("./config/usb_gadget/g1" [pid 1328] <... prctl resumed>) = 0 [pid 1327] <... write resumed>) = 4 [pid 1331] <... write resumed>) = 4 [pid 1331] close(3) = 0 [pid 1331] write(1, "executing program\n", 18) = 18 executing program [pid 1331] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1331] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1330] setpgid(0, 0 [pid 1331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1331] rmdir("./config/usb_gadget/g1" [pid 1330] <... setpgid resumed>) = 0 [pid 1331] <... rmdir resumed>) = 0 [pid 1330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1329] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1328] setpgid(0, 0 [pid 1327] close(3 [pid 1331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1330] <... openat resumed>) = 3 [pid 1329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1328] <... setpgid resumed>) = 0 [pid 1327] <... close resumed>) = 0 [pid 1331] exit_group(0) = ? [pid 1328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1330] write(3, "1000", 4 [pid 1329] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1328] <... openat resumed>) = 3 [pid 1327] write(1, "executing program\n", 18 [pid 1331] +++ exited with 0 +++ [pid 1330] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1330] close(3 [pid 1329] exit_group(0 [pid 1328] write(3, "1000", 4 [pid 1327] <... write resumed>) = 18 executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1330] <... close resumed>) = 0 executing program [pid 1330] write(1, "executing program\n", 18) = 18 [pid 1330] mkdirat(AT_FDCWD, "./config", 0777 [pid 1327] mkdirat(AT_FDCWD, "./config", 0777 [pid 1329] <... exit_group resumed>) = ? [pid 1330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1328] <... write resumed>) = 4 [pid 1327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1328] close(3 [pid 1330] mount(NULL, "./config", "configfs", 0, NULL [pid 1328] <... close resumed>) = 0 [pid 1330] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1327] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1329] +++ exited with 0 +++ [pid 1328] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1328] <... write resumed>) = 18 executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1328] mkdirat(AT_FDCWD, "./config", 0777 [pid 1330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 1330] <... mkdirat resumed>) = 0 [pid 1330] rmdir("./config/usb_gadget/g1") = 0 [pid 1330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1330] exit_group(0) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1328] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1328] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1332 [pid 1328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1333 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1330] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1332 attached ci2-android-5-15/strace-static-x86_64: Process 1333 attached [pid 1333] set_robust_list(0x555579e166a0, 24 [pid 1332] set_robust_list(0x555579e166a0, 24 [pid 1333] <... set_robust_list resumed>) = 0 [pid 1332] <... set_robust_list resumed>) = 0 [pid 1333] rt_sigprocmask(SIG_SETMASK, [] [pid 1332] rt_sigprocmask(SIG_SETMASK, [] [pid 1333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1332] <... prctl resumed>) = 0 [pid 1333] <... prctl resumed>) = 0 [pid 1332] setpgid(0, 0 [pid 1333] setpgid(0, 0) = 0 [pid 1327] <... mkdirat resumed>) = 0 [pid 1328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1332] <... setpgid resumed>) = 0 [pid 1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1328] rmdir("./config/usb_gadget/g1" [pid 1327] rmdir("./config/usb_gadget/g1" [pid 1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1333] <... openat resumed>) = 3 [pid 1332] <... openat resumed>) = 3 [pid 1332] write(3, "1000", 4) = 4 [pid 1333] write(3, "1000", 4 [pid 1332] close(3) = 0 [pid 1333] <... write resumed>) = 4 [pid 1333] close(3 [pid 1332] write(1, "executing program\n", 18 [pid 1333] <... close resumed>) = 0 [pid 1332] <... write resumed>) = 18 [pid 1332] mkdirat(AT_FDCWD, "./config", 0777 [pid 1333] write(1, "executing program\n", 18) = 18 [pid 1328] <... rmdir resumed>) = 0 executing program executing program [pid 1327] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1333] mkdirat(AT_FDCWD, "./config", 0777 [pid 1332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1332] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1333] mount(NULL, "./config", "configfs", 0, NULL [pid 1327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1333] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1328] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1327] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1332] <... mkdirat resumed>) = 0 [pid 1332] rmdir("./config/usb_gadget/g1") = 0 [pid 1332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1332] exit_group(0) = ? [pid 1328] exit_group(0 [pid 1333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1327] exit_group(0 [pid 1332] +++ exited with 0 +++ [pid 1328] <... exit_group resumed>) = ? [pid 1327] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1333] <... mkdirat resumed>) = 0 [pid 1333] rmdir("./config/usb_gadget/g1") = 0 [pid 1333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1333] exit_group(0) = ? [pid 1333] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 1328] +++ exited with 0 +++ [pid 1327] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1327, 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 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1334 ci2-android-5-15/strace-static-x86_64: Process 1334 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 307] 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 1334] set_robust_list(0x555579e166a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1335 attached [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1335 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1335] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1336 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1336 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1334] <... set_robust_list resumed>) = 0 [pid 1335] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1335] rt_sigprocmask(SIG_SETMASK, [] [pid 1336] set_robust_list(0x555579e166a0, 24 [pid 1334] rt_sigprocmask(SIG_SETMASK, [] [pid 1336] <... set_robust_list resumed>) = 0 [pid 1335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1334] setpgid(0, 0) = 0 [pid 1335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1335] <... prctl resumed>) = 0 [pid 1336] rt_sigprocmask(SIG_SETMASK, [] [pid 1334] <... openat resumed>) = 3 [pid 1334] write(3, "1000", 4) = 4 [pid 1334] close(3) = 0 [pid 1334] write(1, "executing program\n", 18) = 18 [pid 1334] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1334] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1335] setpgid(0, 0 [pid 1336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1335] <... setpgid resumed>) = 0 [pid 1334] <... mkdirat resumed>) = 0 [pid 1334] rmdir("./config/usb_gadget/g1" [pid 1336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1336] setpgid(0, 0) = 0 [pid 1336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1334] <... rmdir resumed>) = 0 [pid 1336] <... openat resumed>) = 3 [pid 1334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... restart_syscall 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 1335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1337 attached [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1337 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1334] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... restart_syscall resumed>) = 0 [pid 1334] exit_group(0 [pid 1336] write(3, "1000", 4) = 4 [pid 1336] close(3) = 0 [pid 1334] <... exit_group resumed>) = ? [pid 1336] write(1, "executing program\n", 18 [pid 1335] <... openat resumed>) = 3 [pid 1336] <... write resumed>) = 18 [pid 1336] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1336] mount(NULL, "./config", "configfs", 0, NULL [pid 1335] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1337] set_robust_list(0x555579e166a0, 24 [pid 1336] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1337] <... set_robust_list resumed>) = 0 [pid 1335] <... write resumed>) = 4 [pid 1334] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1335] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1336] <... mkdirat resumed>) = 0 [pid 1336] rmdir("./config/usb_gadget/g1") = 0 [pid 1336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1336] exit_group(0) = ? [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1338 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1335] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1335] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1339 attached [pid 1337] rt_sigprocmask(SIG_SETMASK, [] [pid 1335] <... write resumed>) = 18 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1339 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1335] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1336] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1339] set_robust_list(0x555579e166a0, 24 [pid 1337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1338 attached [pid 1338] set_robust_list(0x555579e166a0, 24) = 0 [pid 1338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1338] setpgid(0, 0) = 0 [pid 1338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1335] mount(NULL, "./config", "configfs", 0, NULL [pid 1338] write(3, "1000", 4) = 4 [pid 1338] close(3) = 0 executing program [pid 1338] write(1, "executing program\n", 18) = 18 [pid 1338] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1338] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1335] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1338] rmdir("./config/usb_gadget/g1") = 0 [pid 1338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1338] exit_group(0) = ? [pid 1335] rmdir("./config/usb_gadget/g1") = -1 ENOENT (No such file or directory) [pid 1338] +++ exited with 0 +++ [pid 1335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1339] <... set_robust_list resumed>) = 0 [pid 1339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1335] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1339] setpgid(0, 0 [pid 1335] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1339] <... setpgid resumed>) = 0 [pid 1335] <... exit_group resumed>) = ? [pid 1339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1339] write(3, "1000", 4) = 4 [pid 1339] close(3) = 0 [pid 1339] write(1, "executing program\n", 18 [pid 1335] +++ exited with 0 +++ [pid 1339] <... write resumed>) = 18 executing program [pid 1339] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1339] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1337] <... prctl resumed>) = 0 [pid 1337] setpgid(0, 0) = 0 [pid 1339] <... mkdirat resumed>) = 0 [pid 1339] rmdir("./config/usb_gadget/g1" [pid 1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1337] write(3, "1000", 4) = 4 [pid 1337] close(3) = 0 [pid 1337] write(1, "executing program\n", 18) = 18 [pid 1337] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1337] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 1339] <... rmdir resumed>) = 0 [pid 1339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1339] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1339] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1340 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1341 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1339] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1337] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1341 attached [pid 1341] set_robust_list(0x555579e166a0, 24) = 0 [pid 1341] rt_sigprocmask(SIG_SETMASK, [] [pid 1337] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1340 attached [pid 1340] set_robust_list(0x555579e166a0, 24) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1340] rt_sigprocmask(SIG_SETMASK, [], 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 1340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1340] setpgid(0, 0) = 0 [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1342 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1340] <... openat resumed>) = 3 [pid 1340] write(3, "1000", 4) = 4 [pid 1340] close(3) = 0 [pid 1340] write(1, "executing program\n", 18) = 18 [pid 1340] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1340] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1337] <... rmdir resumed>) = 0 [pid 1337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1337] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1340] <... mkdirat resumed>) = 0 [pid 1340] rmdir("./config/usb_gadget/g1") = 0 [pid 1340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1340] exit_group(0) = ? [pid 1340] +++ exited with 0 +++ [pid 1337] exit_group(0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1337] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1342 attached [pid 1342] set_robust_list(0x555579e166a0, 24) = 0 [pid 1342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1342] setpgid(0, 0 [pid 1337] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1342] <... setpgid resumed>) = 0 [pid 1342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1342] write(3, "1000", 4) = 4 [pid 1342] close(3) = 0 [pid 1342] write(1, "executing program\n", 18) = 18 [pid 1342] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1342] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1342] rmdir("./config/usb_gadget/g1" [pid 1341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1342] <... rmdir resumed>) = 0 [pid 1342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1342] exit_group(0) = ? [pid 1342] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1341] <... prctl resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 1341] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1341] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1343 attached [pid 1341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1343 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1341] <... openat resumed>) = 3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1343] set_robust_list(0x555579e166a0, 24 [pid 1341] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1344 attached ) = 4 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1344 [pid 1344] set_robust_list(0x555579e166a0, 24 [pid 1341] close(3 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1344] <... set_robust_list resumed>) = 0 [pid 1341] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1343] <... set_robust_list resumed>) = 0 [pid 1341] write(1, "executing program\n", 18 [pid 1344] rt_sigprocmask(SIG_SETMASK, [] [pid 1341] <... write resumed>) = 18 [pid 1344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1341] mkdirat(AT_FDCWD, "./config", 0777 [pid 1344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1344] <... prctl resumed>) = 0 [pid 1341] mount(NULL, "./config", "configfs", 0, NULL [pid 1344] setpgid(0, 0 [pid 1343] rt_sigprocmask(SIG_SETMASK, [] [pid 1341] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1344] <... setpgid resumed>) = 0 [pid 1343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 1344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1343] setpgid(0, 0) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1343] write(3, "1000", 4) = 4 [pid 1343] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 1341] <... mkdirat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1341] rmdir("./config/usb_gadget/g1" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1344] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1345 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1346 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1343] <... close resumed>) = 0 [pid 1343] write(1, "executing program\n", 18) = 18 executing program [pid 1344] write(3, "1000", 4 [pid 1341] <... rmdir resumed>) = 0 [pid 1344] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1345 attached [pid 1344] close(3 [pid 1341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1344] <... close resumed>) = 0 [pid 1344] write(1, "executing program\n", 18 [pid 1345] set_robust_list(0x555579e166a0, 24 [pid 1343] mkdirat(AT_FDCWD, "./config", 0777 [pid 1341] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1345] <... set_robust_list resumed>) = 0 [pid 1344] <... write resumed>) = 18 [pid 1341] exit_group(0 [pid 1344] mkdirat(AT_FDCWD, "./config", 0777 [pid 1341] <... exit_group resumed>) = ? [pid 1344] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program ci2-android-5-15/strace-static-x86_64: Process 1346 attached [pid 1346] set_robust_list(0x555579e166a0, 24 [pid 1341] +++ exited with 0 +++ [pid 1344] mount(NULL, "./config", "configfs", 0, NULL [pid 1343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1345] rt_sigprocmask(SIG_SETMASK, [] [pid 1344] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1343] mount(NULL, "./config", "configfs", 0, NULL [pid 1345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1346] <... set_robust_list resumed>) = 0 [pid 1346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1346] setpgid(0, 0) = 0 [pid 1346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1345] <... prctl resumed>) = 0 [pid 1344] <... mkdirat resumed>) = 0 [pid 1343] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1345] setpgid(0, 0 [pid 1344] rmdir("./config/usb_gadget/g1" [pid 1346] <... openat resumed>) = 3 [pid 1345] <... setpgid resumed>) = 0 [pid 1343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1346] write(3, "1000", 4) = 4 [pid 1346] close(3) = 0 [pid 1344] <... rmdir resumed>) = 0 [pid 1344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1344] exit_group(0) = ? [pid 1346] write(1, "executing program\n", 18) = 18 [pid 1344] +++ exited with 0 +++ executing program [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1346] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1345] <... openat resumed>) = 3 [pid 1343] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1347 attached [pid 304] <... restart_syscall resumed>) = 0 [pid 1345] write(3, "1000", 4 [pid 1347] set_robust_list(0x555579e166a0, 24 [pid 1343] rmdir("./config/usb_gadget/g1" [pid 1347] <... set_robust_list resumed>) = 0 [pid 1345] <... write resumed>) = 4 [pid 1345] close(3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1347 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1345] <... close resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1345] write(1, "executing program\n", 18 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1348 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1345] <... write resumed>) = 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1345] mkdirat(AT_FDCWD, "./config", 0777 [pid 1346] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1343] <... rmdir resumed>) = 0 [pid 1345] mount(NULL, "./config", "configfs", 0, NULL [pid 1343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1345] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1343] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1347] rt_sigprocmask(SIG_SETMASK, [] [pid 1343] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1348 attached [pid 1348] set_robust_list(0x555579e166a0, 24) = 0 [pid 1348] rt_sigprocmask(SIG_SETMASK, [] [pid 1347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1345] <... mkdirat resumed>) = 0 [pid 1343] <... exit_group resumed>) = ? [pid 1345] rmdir("./config/usb_gadget/g1" [pid 1348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1348] setpgid(0, 0) = 0 [pid 1348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1345] <... rmdir resumed>) = 0 [pid 1343] +++ exited with 0 +++ [pid 1345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1345] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1347] <... prctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1347] setpgid(0, 0 [pid 1345] exit_group(0 [pid 1347] <... setpgid resumed>) = 0 [pid 1345] <... exit_group resumed>) = ? [pid 1347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1346] <... mkdirat resumed>) = 0 [pid 1346] rmdir("./config/usb_gadget/g1") = 0 [pid 1346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1346] exit_group(0 [pid 1345] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1347] <... openat resumed>) = 3 [pid 1346] <... exit_group resumed>) = ? [pid 1346] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1347] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1347] <... write resumed>) = 4 [pid 1347] close(3 [pid 1348] <... openat resumed>) = 3 [pid 1347] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1348] write(3, "1000", 4) = 4 [pid 1348] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1348] <... close resumed>) = 0 [pid 1348] write(1, "executing program\n", 18) = 18 [pid 1348] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1348] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1349 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1347] write(1, "executing program\n", 18 [pid 1348] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1347] <... write resumed>) = 18 executing program [pid 1347] mkdirat(AT_FDCWD, "./config", 0777 [pid 1348] <... mkdirat resumed>) = 0 [pid 1348] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1349 attached ) = 0 [pid 1348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1348] exit_group(0) = ? [pid 1347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1348] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 1347] mount(NULL, "./config", "configfs", 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1347] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1349] set_robust_list(0x555579e166a0, 24) = 0 [pid 1349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1350 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1349] setpgid(0, 0) = 0 [pid 1349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1351 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1349] <... openat resumed>) = 3 [pid 1349] write(3, "1000", 4) = 4 [pid 1349] close(3) = 0 [pid 1349] write(1, "executing program\n", 18) = 18 [pid 1349] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1349] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1350 attached [pid 1350] set_robust_list(0x555579e166a0, 24) = 0 [pid 1350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1350] setpgid(0, 0) = 0 [pid 1349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1347] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1351 attached [pid 1349] rmdir("./config/usb_gadget/g1" [pid 1347] rmdir("./config/usb_gadget/g1" [pid 1351] set_robust_list(0x555579e166a0, 24 [pid 1349] <... rmdir resumed>) = 0 [pid 1347] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1349] exit_group(0) = ? [pid 1347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1351] <... set_robust_list resumed>) = 0 [pid 1349] +++ exited with 0 +++ [pid 1350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1350] write(3, "1000", 4) = 4 [pid 1350] close(3) = 0 [pid 1350] write(1, "executing program\n", 18) = 18 [pid 1350] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1347] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1350] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1347] exit_group(0 [pid 1350] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1347] <... exit_group resumed>) = ? [pid 1350] <... mkdirat resumed>) = 0 [pid 1350] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 1350] <... rmdir resumed>) = 0 [pid 1350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1350] exit_group(0) = ? [pid 304] <... 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 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1350] +++ exited with 0 +++ [pid 1351] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1352 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1350, 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 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1347] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1351] setpgid(0, 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1353 [pid 1351] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 1352 attached [pid 1351] write(3, "1000", 4 [pid 1352] set_robust_list(0x555579e166a0, 24) = 0 [pid 1352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1351] <... write resumed>) = 4 [pid 1352] setpgid(0, 0) = 0 [pid 1351] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 1353 attached [pid 1353] set_robust_list(0x555579e166a0, 24 [pid 1351] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 1353] <... set_robust_list resumed>) = 0 [pid 1351] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1351] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1353] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1351] mount(NULL, "./config", "configfs", 0, NULL [pid 1352] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1354 [pid 1351] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1352] <... write resumed>) = 4 [pid 1351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1352] close(3) = 0 [pid 1352] write(1, "executing program\n", 18) = 18 [pid 1352] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1352] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1354 attached [pid 1354] set_robust_list(0x555579e166a0, 24) = 0 [pid 1354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1353] <... prctl resumed>) = 0 [pid 1354] <... prctl resumed>) = 0 [pid 1353] setpgid(0, 0 [pid 1351] <... mkdirat resumed>) = 0 [pid 1352] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1352] rmdir("./config/usb_gadget/g1" [pid 1353] <... setpgid resumed>) = 0 [pid 1351] rmdir("./config/usb_gadget/g1" [pid 1352] <... rmdir resumed>) = 0 [pid 1352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1352] exit_group(0) = ? [pid 1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1351] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1353] <... openat resumed>) = 3 [pid 1351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1353] write(3, "1000", 4 [pid 1352] +++ exited with 0 +++ [pid 1353] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1353] close(3 [pid 1351] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1353] <... close resumed>) = 0 [pid 1353] write(1, "executing program\n", 18 [pid 1351] exit_group(0 [pid 1354] setpgid(0, 0) = 0 [pid 1354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1353] <... write resumed>) = 18 executing program [pid 1351] <... exit_group resumed>) = ? [pid 1354] <... openat resumed>) = 3 [pid 1353] mkdirat(AT_FDCWD, "./config", 0777 [pid 1354] write(3, "1000", 4) = 4 [pid 1354] close(3) = 0 [pid 1351] +++ exited with 0 +++ [pid 1354] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1354] <... write resumed>) = 18 executing program [pid 1353] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1353] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1355 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1355 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1354] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1354] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1353] <... mkdirat resumed>) = 0 [pid 1354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1354] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 1354] <... rmdir resumed>) = 0 [pid 1354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1354] exit_group(0) = ? [pid 1354] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1353] rmdir("./config/usb_gadget/g1" [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=1354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1355] set_robust_list(0x555579e166a0, 24) = 0 [pid 1355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1353] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1356 [pid 1355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1355] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1353] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1355] setpgid(0, 0) = 0 [pid 1353] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1353] <... exit_group resumed>) = ? [pid 1355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1355] write(3, "1000", 4) = 4 [pid 1355] close(3) = 0 [pid 1355] write(1, "executing program\n", 18 [pid 1353] +++ exited with 0 +++ [pid 1355] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1353, 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 306] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1355] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1355] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1357 [pid 1355] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [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 1355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1355] rmdir("./config/usb_gadget/g1" [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1358 ci2-android-5-15/strace-static-x86_64: Process 1356 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1355] <... rmdir resumed>) = 0 [pid 1355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1355] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1355] exit_group(0) = ? [pid 1355] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1356] set_robust_list(0x555579e166a0, 24) = 0 [pid 1356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1356] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 1358 attached ci2-android-5-15/strace-static-x86_64: Process 1357 attached ) = 0 [pid 1357] set_robust_list(0x555579e166a0, 24 [pid 1356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] set_robust_list(0x555579e166a0, 24 [pid 1356] <... openat resumed>) = 3 [pid 1357] <... set_robust_list resumed>) = 0 [pid 1358] <... set_robust_list resumed>) = 0 [pid 1356] write(3, "1000", 4) = 4 [pid 1356] close(3) = 0 [pid 1356] write(1, "executing program\n", 18) = 18 [pid 1356] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1356] mount(NULL, "./config", "configfs", 0, NULL [pid 1358] rt_sigprocmask(SIG_SETMASK, [] [pid 1357] rt_sigprocmask(SIG_SETMASK, [] [pid 1356] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1357] setpgid(0, 0 [pid 1358] <... prctl resumed>) = 0 [pid 1356] <... mkdirat resumed>) = 0 [pid 1356] rmdir("./config/usb_gadget/g1" [pid 1357] <... setpgid resumed>) = 0 [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1358] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 1359 attached [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1359 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1357] write(3, "1000", 4 [pid 1358] <... setpgid resumed>) = 0 [pid 1357] <... write resumed>) = 4 [pid 1357] close(3) = 0 [pid 1357] write(1, "executing program\n", 18) = 18 executing program [pid 1357] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1359] set_robust_list(0x555579e166a0, 24 [pid 1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1357] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] <... restart_syscall resumed>) = 0 [pid 1357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1356] <... rmdir resumed>) = 0 [pid 1357] <... mkdirat resumed>) = 0 [pid 1356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1357] rmdir("./config/usb_gadget/g1" [pid 1359] <... set_robust_list resumed>) = 0 [pid 1358] <... openat resumed>) = 3 [pid 1357] <... rmdir resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1360 [pid 1357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1357] exit_group(0) = ? [pid 1359] rt_sigprocmask(SIG_SETMASK, [] [pid 1358] write(3, "1000", 4 [pid 1357] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1356] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1356] exit_group(0 [pid 1359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1358] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1356] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1358] close(3 [pid 1359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1358] <... close resumed>) = 0 [pid 1358] write(1, "executing program\n", 18 [pid 1359] <... prctl resumed>) = 0 [pid 1358] <... write resumed>) = 18 executing program [pid 1359] setpgid(0, 0 [pid 1356] +++ exited with 0 +++ [pid 1358] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1359] <... setpgid resumed>) = 0 [pid 1358] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1360 attached [pid 1360] set_robust_list(0x555579e166a0, 24) = 0 [pid 1360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1358] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1360] setpgid(0, 0) = 0 [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1359] <... openat resumed>) = 3 [pid 1360] write(3, "1000", 4) = 4 [pid 1360] close(3) = 0 [pid 1360] write(1, "executing program\n", 18) = 18 [pid 1360] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1360] mount(NULL, "./config", "configfs", 0, NULL [pid 1358] <... mkdirat resumed>) = 0 [pid 1360] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1360] rmdir("./config/usb_gadget/g1" [pid 1358] rmdir("./config/usb_gadget/g1" [pid 1360] <... rmdir resumed>) = 0 [pid 1360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1360] exit_group(0) = ? executing program [pid 1360] +++ exited with 0 +++ [pid 1358] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1358] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1359] write(3, "1000", 4) = 4 [pid 1359] close(3) = 0 [pid 1358] exit_group(0 executing program [pid 1359] write(1, "executing program\n", 18) = 18 [pid 1359] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1358] <... exit_group resumed>) = ? [pid 1359] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1358] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1359] <... mkdirat resumed>) = 0 [pid 1359] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall 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 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1361 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1361 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1359] <... rmdir resumed>) = 0 [pid 1359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1359] exit_group(0) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 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 1359] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1362 attached [pid 1362] set_robust_list(0x555579e166a0, 24) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1362 [pid 1362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1363 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1362] setpgid(0, 0) = 0 [pid 1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1364 [pid 1362] <... openat resumed>) = 3 [pid 1362] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1362] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1364 attached [pid 1361] set_robust_list(0x555579e166a0, 24ci2-android-5-15/strace-static-x86_64: Process 1363 attached [pid 1363] set_robust_list(0x555579e166a0, 24) = 0 [pid 1363] rt_sigprocmask(SIG_SETMASK, [] [pid 1361] <... set_robust_list resumed>) = 0 [pid 1362] close(3 [pid 1364] set_robust_list(0x555579e166a0, 24 [pid 1363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1363] setpgid(0, 0) = 0 [pid 1363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1364] <... set_robust_list resumed>) = 0 [pid 1362] <... close resumed>) = 0 [pid 1363] <... openat resumed>) = 3 [pid 1363] write(3, "1000", 4) = 4 [pid 1363] close(3) = 0 [pid 1363] write(1, "executing program\n", 18) = 18 [pid 1363] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1363] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1362] write(1, "executing program\n", 18 [pid 1361] <... prctl resumed>) = 0 executing program [pid 1363] <... mkdirat resumed>) = 0 [pid 1363] rmdir("./config/usb_gadget/g1" [pid 1362] <... write resumed>) = 18 [pid 1363] <... rmdir resumed>) = 0 [pid 1362] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1362] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1362] <... mkdirat resumed>) = 0 [pid 1364] rt_sigprocmask(SIG_SETMASK, [] [pid 1362] rmdir("./config/usb_gadget/g1" [pid 1361] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 1363] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1364] setpgid(0, 0) = 0 [pid 1364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1362] <... rmdir resumed>) = 0 [pid 1361] <... setpgid resumed>) = 0 [pid 1364] <... openat resumed>) = 3 [pid 1364] write(3, "1000", 4) = 4 [pid 1364] close(3) = 0 [pid 1364] write(1, "executing program\n", 18) = 18 [pid 1364] mkdirat(AT_FDCWD, "./config", 0777 [pid 1361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1364] mount(NULL, "./config", "configfs", 0, NULL [pid 1361] <... openat resumed>) = 3 executing program [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1364] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1363] exit_group(0 [pid 1362] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1361] write(3, "1000", 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1365 attached [pid 1364] <... mkdirat resumed>) = 0 [pid 1363] <... exit_group resumed>) = ? [pid 1362] exit_group(0 [pid 1361] <... write resumed>) = 4 [pid 1364] rmdir("./config/usb_gadget/g1") = 0 [pid 1361] close(3 [pid 1364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1364] exit_group(0 [pid 1362] <... exit_group resumed>) = ? [pid 1361] <... close resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1365 [pid 1364] <... exit_group resumed>) = ? executing program [pid 1361] write(1, "executing program\n", 18 [pid 1365] set_robust_list(0x555579e166a0, 24 [pid 1364] +++ exited with 0 +++ [pid 1362] +++ exited with 0 +++ [pid 1361] <... write resumed>) = 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1361] mkdirat(AT_FDCWD, "./config", 0777 [pid 1365] <... set_robust_list resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1361] mount(NULL, "./config", "configfs", 0, NULL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1361] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1363] +++ exited with 0 +++ [pid 1361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1365] <... prctl resumed>) = 0 [pid 1365] setpgid(0, 0) = 0 [pid 1365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1365] write(3, "1000", 4 [pid 1361] <... mkdirat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1365] <... write resumed>) = 4 [pid 1365] close(3) = 0 [pid 1365] write(1, "executing program\n", 18) = 18 [pid 1365] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1365] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1365] rmdir("./config/usb_gadget/g1" executing program [pid 1361] rmdir("./config/usb_gadget/g1" [pid 1365] <... rmdir resumed>) = 0 [pid 1361] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1365] exit_group(0) = ? [pid 1361] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1361] exit_group(0) = ? [pid 1365] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1361] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 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 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1366 attached [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1366 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1367 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1366] set_robust_list(0x555579e166a0, 24) = 0 [pid 1366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1366] setpgid(0, 0) = 0 [pid 1366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1368 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1369 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1366] <... openat resumed>) = 3 [pid 1366] write(3, "1000", 4) = 4 [pid 1366] close(3) = 0 [pid 1366] write(1, "executing program\n", 18) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 1369 attached ci2-android-5-15/strace-static-x86_64: Process 1368 attached ci2-android-5-15/strace-static-x86_64: Process 1367 attached [pid 1366] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1366] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1369] set_robust_list(0x555579e166a0, 24 [pid 1368] set_robust_list(0x555579e166a0, 24 [pid 1367] set_robust_list(0x555579e166a0, 24 [pid 1366] <... mkdirat resumed>) = 0 [pid 1366] rmdir("./config/usb_gadget/g1" [pid 305] <... restart_syscall resumed>) = 0 [pid 1369] <... set_robust_list resumed>) = 0 [pid 1369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1369] setpgid(0, 0) = 0 [pid 1369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1369] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1369] <... write resumed>) = 4 [pid 1369] close(3) = 0 [pid 1368] <... set_robust_list resumed>) = 0 [pid 1367] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1369] write(1, "executing program\n", 18) = 18 [pid 1369] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1369] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1369] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1366] <... rmdir resumed>) = 0 [pid 1369] rmdir("./config/usb_gadget/g1") = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1370 [pid 1369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1369] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1369] <... exit_group resumed>) = ? [pid 1369] +++ exited with 0 +++ [pid 1366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1366] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1366] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1370 attached [pid 1368] rt_sigprocmask(SIG_SETMASK, [] [pid 1367] rt_sigprocmask(SIG_SETMASK, [] [pid 1366] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1370] set_robust_list(0x555579e166a0, 24 [pid 1368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] <... set_robust_list resumed>) = 0 [pid 1368] <... prctl resumed>) = 0 [pid 1370] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] setpgid(0, 0 [pid 1367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1368] <... setpgid resumed>) = 0 [pid 1370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1367] <... prctl resumed>) = 0 [pid 1370] <... prctl resumed>) = 0 [pid 1368] <... openat resumed>) = 3 [pid 1368] write(3, "1000", 4) = 4 [pid 1367] setpgid(0, 0 [pid 1368] close(3) = 0 [pid 1368] write(1, "executing program\n", 18) = 18 [pid 1368] mkdirat(AT_FDCWD, "./config", 0777 [pid 1370] setpgid(0, 0 [pid 1368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1367] <... setpgid resumed>) = 0 [pid 1368] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... restart_syscall resumed>) = 0 [pid 1368] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1370] <... setpgid resumed>) = 0 [pid 1368] <... mkdirat resumed>) = 0 [pid 1367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1368] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 1368] <... rmdir resumed>) = 0 [pid 1368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1367] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1368] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1368] <... exit_group resumed>) = ? [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 1370] <... openat resumed>) = 3 [pid 1368] +++ exited with 0 +++ [pid 1367] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1371 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1372 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1371 attached [pid 1371] set_robust_list(0x555579e166a0, 24) = 0 [pid 1371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1371] setpgid(0, 0) = 0 [pid 1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1370] write(3, "1000", 4 [pid 1367] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1372 attached [pid 1371] write(3, "1000", 4) = 4 [pid 1371] close(3) = 0 [pid 1371] write(1, "executing program\n", 18) = 18 [pid 1371] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 1371] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1367] close(3 [pid 1370] <... write resumed>) = 4 [pid 1372] set_robust_list(0x555579e166a0, 24 [pid 1370] close(3 [pid 1367] <... close resumed>) = 0 [pid 1367] write(1, "executing program\n", 18 [pid 1372] <... set_robust_list resumed>) = 0 [pid 1370] <... close resumed>) = 0 [pid 1371] <... mkdirat resumed>) = 0 executing program [pid 1371] rmdir("./config/usb_gadget/g1" [pid 1367] <... write resumed>) = 18 [pid 1367] mkdirat(AT_FDCWD, "./config", 0777 [pid 1371] <... rmdir resumed>) = 0 [pid 1371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1371] exit_group(0) = ? [pid 1367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1367] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1371] +++ exited with 0 +++ [pid 1372] rt_sigprocmask(SIG_SETMASK, [] [pid 1367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1370] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1372] setpgid(0, 0) = 0 [pid 1372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1367] <... mkdirat resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1372] <... openat resumed>) = 3 [pid 1372] write(3, "1000", 4) = 4 [pid 1372] close(3) = 0 [pid 1372] write(1, "executing program\n", 18) = 18 [pid 1372] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1372] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1372] rmdir("./config/usb_gadget/g1" [pid 1367] rmdir("./config/usb_gadget/g1" [pid 1370] <... write resumed>) = 18 executing program executing program [pid 1372] <... rmdir resumed>) = 0 [pid 1372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1372] exit_group(0) = ? [pid 1367] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1372] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1367] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1370] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1370] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1367] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1367] +++ exited with 0 +++ [pid 1370] <... mkdirat resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1373 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1370] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1370] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1370] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1374 [pid 1370] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1370] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 32.246314][ T1356] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.246314][ T1356] 7) [ 32.276581][ T1363] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.276581][ T1363] 7) ci2-android-5-15/strace-static-x86_64: Process 1374 attached [pid 1370] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1373 attached [pid 1373] set_robust_list(0x555579e166a0, 24) = 0 [pid 1373] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1375 attached [pid 1374] set_robust_list(0x555579e166a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1375 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1373] setpgid(0, 0) = 0 [pid 1373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1374] <... set_robust_list resumed>) = 0 [pid 1373] write(3, "1000", 4 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1375] set_robust_list(0x555579e166a0, 24 [pid 1374] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1376 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1373] <... write resumed>) = 4 [pid 1373] close(3) = 0 [pid 1373] write(1, "executing program\n", 18) = 18 executing program [pid 1373] mkdirat(AT_FDCWD, "./config", 0777 [pid 1375] <... set_robust_list resumed>) = 0 [pid 1374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1373] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1373] rmdir("./config/usb_gadget/g1") = 0 [pid 1373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1373] exit_group(0) = ? [pid 1373] +++ exited with 0 +++ [pid 1374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1376 attached [pid 1376] set_robust_list(0x555579e166a0, 24) = 0 [pid 1376] rt_sigprocmask(SIG_SETMASK, [] [pid 1374] setpgid(0, 0 [pid 1376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1376] setpgid(0, 0) = 0 [pid 1376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1374] <... setpgid resumed>) = 0 [pid 1376] write(3, "1000", 4) = 4 [pid 1375] rt_sigprocmask(SIG_SETMASK, [] [pid 1376] close(3) = 0 executing program [pid 1376] write(1, "executing program\n", 18) = 18 [pid 1376] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1376] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1374] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1377 attached [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1377 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1376] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1374] write(3, "1000", 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 1375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1374] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1375] <... prctl resumed>) = 0 [pid 1374] close(3 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1377] set_robust_list(0x555579e166a0, 24 [pid 1375] setpgid(0, 0 [pid 1374] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1378 attached [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1378 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1375] <... setpgid resumed>) = 0 [pid 1374] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1374] <... write resumed>) = 18 [pid 1375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1374] mkdirat(AT_FDCWD, "./config", 0777 [pid 1375] <... openat resumed>) = 3 executing program [pid 1374] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1376] <... mkdirat resumed>) = 0 [pid 1376] rmdir("./config/usb_gadget/g1") = 0 [pid 1376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1376] exit_group(0) = ? [pid 1375] write(3, "1000", 4 [pid 1374] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1375] <... write resumed>) = 4 [pid 1374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1375] close(3) = 0 [pid 1376] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1377] <... set_robust_list resumed>) = 0 [pid 1375] write(1, "executing program\n", 18 [pid 1374] <... mkdirat resumed>) = 0 [pid 1377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1377] setpgid(0, 0) = 0 [pid 1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1377] write(3, "1000", 4) = 4 [pid 1377] close(3 [pid 305] <... restart_syscall resumed>) = 0 [pid 1375] <... write resumed>) = 18 [pid 1374] rmdir("./config/usb_gadget/g1" [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1375] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1374] <... rmdir resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1379 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1377] <... close resumed>) = 0 [pid 1377] write(1, "executing program\n", 18 [pid 1375] mount(NULL, "./config", "configfs", 0, NULL [pid 1377] <... write resumed>) = 18 [pid 1377] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1377] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1375] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1377] rmdir("./config/usb_gadget/g1") = 0 [pid 1377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1377] exit_group(0) = ? [pid 1377] +++ exited with 0 +++ [pid 1375] <... mkdirat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1379 attached [pid 1379] set_robust_list(0x555579e166a0, 24) = 0 [pid 1379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... 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, child_tidptr=0x555579e16690) = 1380 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1379] <... prctl resumed>) = 0 [pid 1379] setpgid(0, 0) = 0 [pid 1379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1379] write(3, "1000", 4) = 4 [pid 1375] rmdir("./config/usb_gadget/g1" [pid 1379] close(3) = 0 [pid 1379] write(1, "executing program\n", 18) = 18 [pid 1379] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1379] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1379] rmdir("./config/usb_gadget/g1"ci2-android-5-15/strace-static-x86_64: Process 1380 attached [pid 1380] set_robust_list(0x555579e166a0, 24) = 0 [pid 1380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1380] setpgid(0, 0) = 0 [pid 1380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1380] write(3, "1000", 4) = 4 [pid 1380] close(3) = 0 [pid 1380] write(1, "executing program\n", 18) = 18 [pid 1380] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program executing program executing program executing program [pid 1380] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1378] set_robust_list(0x555579e166a0, 24) = 0 [pid 1378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1378] setpgid(0, 0) = 0 [pid 1378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1378] write(3, "1000", 4) = 4 [pid 1378] close(3) = 0 [pid 1378] write(1, "executing program\n", 18) = 18 executing program [pid 1378] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1378] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 32.342942][ T1374] ------------[ cut here ]------------ [ 32.352350][ T1374] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [ 32.363526][ T1374] WARNING: CPU: 0 PID: 1374 at lib/kobject.c:666 kobject_get+0x7c/0x120 [ 32.372224][ T1374] Modules linked in: [ 32.376191][ T1374] CPU: 1 PID: 1374 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 32.385597][ T1374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.395792][ T1374] RIP: 0010:kobject_get+0x7c/0x120 [ 32.400981][ T1374] Code: f9 fe 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 46 58 39 ff 48 8b 33 48 c7 c7 20 c6 64 85 48 89 da e8 24 f8 3a 02 <0f> 0b eb 0c e8 5b e5 f9 fe eb 4c e8 54 e5 f9 fe 4c 8d 73 38 4c 89 [ 32.420681][ T1374] RSP: 0018:ffffc90002887a18 EFLAGS: 00010246 [ 32.426747][ T1374] RAX: e724aa1229a0a900 RBX: ffff88810bf03800 RCX: ffff88810bc6cf00 [ 32.434752][ T1374] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 32.442754][ T1374] RBP: ffffc90002887a30 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 [ 32.450763][ T1374] R10: dffffc0000000000 R11: ffffed103ee065e8 R12: 1ffff110217c6c0e [ 32.458765][ T1374] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 32.466762][ T1374] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 32.475730][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.482345][ T1374] CR2: 0000200000000000 CR3: 000000010ae20000 CR4: 00000000003506a0 [ 32.490352][ T1374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.498351][ T1374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.506324][ T1374] Call Trace: [ 32.509640][ T1374] [ 32.512602][ T1374] device_add+0x2f0/0xe90 [ 32.516935][ T1374] device_create+0x26c/0x300 [ 32.521570][ T1374] ? root_device_unregister+0x80/0x80 [ 32.526970][ T1374] create_function_device+0x60/0x70 [ 32.532225][ T1374] f_midi_alloc_inst+0x1a8/0x380 [ 32.537206][ T1374] usb_get_function_instance+0xe2/0x2f0 [ 32.542805][ T1374] function_make+0x118/0x350 [ 32.547426][ T1374] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 32.553850][ T1374] ? wait_for_completion_killable_timeout+0x10/0x10 [ 32.560504][ T1374] ? __kmalloc+0x13d/0x2c0 [ 32.564933][ T1374] ? configfs_mkdir+0x444/0x9c0 [ 32.569818][ T1374] configfs_mkdir+0x50a/0x9c0 [ 32.574523][ T1374] vfs_mkdir+0x38b/0x590 [ 32.578810][ T1374] do_mkdirat+0x174/0x4d0 [ 32.583155][ T1374] __x64_sys_mkdirat+0x89/0xa0 [ 32.587953][ T1374] x64_sys_call+0x37e/0x9a0 [ 32.592476][ T1374] do_syscall_64+0x4c/0xa0 [ 32.596902][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 32.601618][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 32.606318][ T1374] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.612246][ T1374] RIP: 0033:0x7fbbb7b54639 [ 32.616681][ T1374] 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 [ 32.636361][ T1374] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 32.644859][ T1374] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 32.652925][ T1374] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 32.660957][ T1374] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 32.668989][ T1374] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000007e29 [ 32.676979][ T1374] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 32.684988][ T1374] [ 32.688036][ T1374] ---[ end trace 240261b1c8946b7f ]--- [ 32.693494][ T1374] ------------[ cut here ]------------ [ 32.698995][ T1374] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [ 32.708941][ T1374] WARNING: CPU: 1 PID: 1374 at lib/kobject.c:666 kobject_add_internal+0x12e/0xde0 [ 32.718175][ T1374] Modules linked in: [ 32.722077][ T1374] CPU: 1 PID: 1374 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 32.731306][ T1374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.741393][ T1374] RIP: 0010:kobject_add_internal+0x12e/0xde0 [ 32.747408][ T1374] Code: b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 c5 3f 39 ff 49 8b 34 24 48 c7 c7 20 c6 64 85 4c 89 e2 e8 a2 df 3a 02 <0f> 0b e9 04 01 00 00 e8 d6 cc f9 fe b8 fe ff ff ff e9 b0 09 00 00 [ 32.767149][ T1374] RSP: 0018:ffffc90002887898 EFLAGS: 00010246 [ 32.773293][ T1374] RAX: e724aa1229a0a900 RBX: ffff8881059b4600 RCX: ffff88810bc6cf00 [ 32.781308][ T1374] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 32.789383][ T1374] RBP: ffffc900028878f0 R08: ffff8881f7132f3f R09: 1ffff1103ee265e7 [ 32.797379][ T1374] R10: dffffc0000000000 R11: ffffed103ee265e8 R12: ffff88810bf03800 [ 32.805513][ T1374] R13: ffff8881059b4618 R14: 0000000000000000 R15: 1ffff11020b368c0 [ 32.813543][ T1374] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 32.822535][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.829157][ T1374] CR2: 0000200000000000 CR3: 000000010ae20000 CR4: 00000000003506a0 [ 32.837144][ T1374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.845148][ T1374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.853149][ T1374] Call Trace: [ 32.856424][ T1374] [ 32.859387][ T1374] ? kobject_set_name_vargs+0xca/0x110 [ 32.864889][ T1374] kobject_add+0x165/0x230 [ 32.869360][ T1374] ? kobject_init+0x1d0/0x1d0 [ 32.874057][ T1374] ? kobject_init+0x83/0x1d0 [ 32.878689][ T1374] get_device_parent+0x3a6/0x410 [ 32.883999][ T1374] device_add+0x308/0xe90 [ 32.888387][ T1374] device_create+0x26c/0x300 [ 32.893001][ T1374] ? root_device_unregister+0x80/0x80 [ 32.898416][ T1374] create_function_device+0x60/0x70 [ 32.903656][ T1374] f_midi_alloc_inst+0x1a8/0x380 [ 32.908631][ T1374] usb_get_function_instance+0xe2/0x2f0 [ 32.914236][ T1374] function_make+0x118/0x350 [ 32.918894][ T1374] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 32.925241][ T1374] ? wait_for_completion_killable_timeout+0x10/0x10 [ 32.931871][ T1374] ? __kmalloc+0x13d/0x2c0 [ 32.936305][ T1374] ? configfs_mkdir+0x444/0x9c0 [ 32.941191][ T1374] configfs_mkdir+0x50a/0x9c0 [ 32.945888][ T1374] vfs_mkdir+0x38b/0x590 [ 32.950190][ T1374] do_mkdirat+0x174/0x4d0 [ 32.954554][ T1374] __x64_sys_mkdirat+0x89/0xa0 [ 32.959365][ T1374] x64_sys_call+0x37e/0x9a0 [ 32.963883][ T1374] do_syscall_64+0x4c/0xa0 [ 32.968352][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 32.973045][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 32.977711][ T1374] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.983638][ T1374] RIP: 0033:0x7fbbb7b54639 [ 32.988104][ T1374] 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 [ 33.007730][ T1374] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 33.016176][ T1374] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 33.024178][ T1374] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 33.032179][ T1374] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 33.040205][ T1374] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000007e29 [ 33.048240][ T1374] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 33.056237][ T1374] [ 33.059304][ T1374] ---[ end trace 240261b1c8946b80 ]--- [ 33.064782][ T1374] ------------[ cut here ]------------ [ 33.070266][ T1374] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_put() is being called. [ 33.080196][ T1374] WARNING: CPU: 1 PID: 1374 at lib/kobject.c:760 kobject_put+0x8a/0x270 [ 33.088574][ T1374] Modules linked in: [ 33.092462][ T1374] CPU: 1 PID: 1374 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 33.101681][ T1374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.111769][ T1374] RIP: 0010:kobject_put+0x8a/0x270 [ 33.116914][ T1374] Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 18 57 39 ff 48 8b 33 48 c7 c7 a0 c6 64 85 48 89 da e8 f6 f6 3a 02 <0f> 0b eb 0f e8 2d e4 f9 fe e9 7c 01 00 00 e8 23 e4 f9 fe 4c 8d 7b [ 33.136555][ T1374] RSP: 0018:ffffc90002887860 EFLAGS: 00010246 [ 33.142657][ T1374] RAX: e724aa1229a0a900 RBX: ffff88810bf03800 RCX: ffff88810bc6cf00 [ 33.150670][ T1374] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 33.158668][ T1374] RBP: ffffc90002887888 R08: ffffc900028872c7 R09: 1ffff92000510e58 [ 33.166640][ T1374] R10: dffffc0000000000 R11: fffff52000510e59 R12: ffff88810bf03800 [ 33.174683][ T1374] R13: ffff88810bf0383c R14: 1ffff110217e0707 R15: 0000000000000000 [ 33.182678][ T1374] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 33.191661][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.198269][ T1374] CR2: 0000200000000000 CR3: 000000010ae20000 CR4: 00000000003506a0 [ 33.206239][ T1374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.214334][ T1374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.222354][ T1374] Call Trace: [ 33.225637][ T1374] [ 33.228598][ T1374] kobject_add_internal+0xb52/0xde0 [ 33.233826][ T1374] kobject_add+0x165/0x230 [ 33.238280][ T1374] ? kobject_init+0x1d0/0x1d0 [ 33.242990][ T1374] ? kobject_init+0x83/0x1d0 [ 33.247586][ T1374] get_device_parent+0x3a6/0x410 [ 33.252596][ T1374] device_add+0x308/0xe90 [ 33.256943][ T1374] device_create+0x26c/0x300 [ 33.261687][ T1374] ? root_device_unregister+0x80/0x80 [ 33.267084][ T1374] create_function_device+0x60/0x70 [ 33.272318][ T1374] f_midi_alloc_inst+0x1a8/0x380 [ 33.277277][ T1374] usb_get_function_instance+0xe2/0x2f0 [ 33.282865][ T1374] function_make+0x118/0x350 [ 33.287466][ T1374] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 33.293847][ T1374] ? wait_for_completion_killable_timeout+0x10/0x10 [ 33.300469][ T1374] ? __kmalloc+0x13d/0x2c0 [ 33.304904][ T1374] ? configfs_mkdir+0x444/0x9c0 [ 33.309798][ T1374] configfs_mkdir+0x50a/0x9c0 [ 33.314504][ T1374] vfs_mkdir+0x38b/0x590 [ 33.318797][ T1374] do_mkdirat+0x174/0x4d0 [ 33.323145][ T1374] __x64_sys_mkdirat+0x89/0xa0 [ 33.327941][ T1374] x64_sys_call+0x37e/0x9a0 [ 33.332464][ T1374] do_syscall_64+0x4c/0xa0 [ 33.336895][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 33.341591][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 33.346283][ T1374] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 33.352210][ T1374] RIP: 0033:0x7fbbb7b54639 [ 33.356643][ T1374] 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 [ 33.376362][ T1374] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 33.384802][ T1374] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 33.392817][ T1374] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 33.400830][ T1374] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 33.408834][ T1374] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000007e29 [ 33.416835][ T1374] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 33.425132][ T1374] [ 33.428182][ T1374] ---[ end trace 240261b1c8946b81 ]--- [ 33.433637][ T1374] kobject_add_internal failed for android_usb (error: -2 parent: ) [ 33.441597][ T1374] ------------[ cut here ]------------ [ 33.447061][ T1374] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_put() is being called. [ 33.456998][ T1374] WARNING: CPU: 1 PID: 1374 at lib/kobject.c:760 kobject_put+0x8a/0x270 [ 33.465463][ T1374] Modules linked in: [ 33.469471][ T1374] CPU: 1 PID: 1374 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 33.478720][ T1374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.488808][ T1374] RIP: 0010:kobject_put+0x8a/0x270 [ 33.493928][ T1374] Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 18 57 39 ff 48 8b 33 48 c7 c7 a0 c6 64 85 48 89 da e8 f6 f6 3a 02 <0f> 0b eb 0f e8 2d e4 f9 fe e9 7c 01 00 00 e8 23 e4 f9 fe 4c 8d 7b [ 33.513581][ T1374] RSP: 0018:ffffc90002887a08 EFLAGS: 00010246 [ 33.519692][ T1374] RAX: e724aa1229a0a900 RBX: ffff88810bf03800 RCX: ffff88810bc6cf00 [ 33.527678][ T1374] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 33.535673][ T1374] RBP: ffffc90002887a30 R08: ffff8881f7132f3f R09: 1ffff1103ee265e7 [ 33.543676][ T1374] R10: dffffc0000000000 R11: ffffed103ee265e8 R12: ffff88810be36068 [ 33.551696][ T1374] R13: ffff88810bf0383c R14: 1ffff110217e0707 R15: 0000000000000000 [ 33.559738][ T1374] FS: 0000555579e163c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 33.568705][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.575316][ T1374] CR2: 0000200000000000 CR3: 000000010ae20000 CR4: 00000000003506a0 [ 33.583350][ T1374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.591353][ T1374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.599359][ T1374] Call Trace: [ 33.602676][ T1374] [ 33.605604][ T1374] device_add+0x985/0xe90 [ 33.609977][ T1374] device_create+0x26c/0x300 [ 33.614610][ T1374] ? root_device_unregister+0x80/0x80 [ 33.620014][ T1374] create_function_device+0x60/0x70 [ 33.625363][ T1374] f_midi_alloc_inst+0x1a8/0x380 [ 33.630364][ T1374] usb_get_function_instance+0xe2/0x2f0 [ 33.635955][ T1374] function_make+0x118/0x350 [ 33.640583][ T1374] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 33.646946][ T1374] ? wait_for_completion_killable_timeout+0x10/0x10 [ 33.653576][ T1374] ? __kmalloc+0x13d/0x2c0 [ 33.658030][ T1374] ? configfs_mkdir+0x444/0x9c0 [ 33.662890][ T1374] configfs_mkdir+0x50a/0x9c0 [ 33.667587][ T1374] vfs_mkdir+0x38b/0x590 [ 33.671879][ T1374] do_mkdirat+0x174/0x4d0 [ 33.676323][ T1374] __x64_sys_mkdirat+0x89/0xa0 [ 33.681152][ T1374] x64_sys_call+0x37e/0x9a0 [ 33.685681][ T1374] do_syscall_64+0x4c/0xa0 [ 33.690152][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 33.694873][ T1374] ? clear_bhb_loop+0x50/0xa0 [ 33.699613][ T1374] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 33.705540][ T1374] RIP: 0033:0x7fbbb7b54639 [ 33.710058][ T1374] 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 [ 33.729725][ T1374] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 33.738174][ T1374] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [pid 1378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1374] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1374] exit_group(0) = ? [pid 1379] <... rmdir resumed>) = 0 [pid 1374] +++ exited with 0 +++ [pid 1380] <... mkdirat resumed>) = 0 [pid 1378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1375] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1380] rmdir("./config/usb_gadget/g1" [pid 1378] rmdir("./config/usb_gadget/g1" [pid 1375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1380] <... rmdir resumed>) = 0 [pid 1379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1378] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1375] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1374, si_uid=0, si_status=0, si_utime=0, si_stime=136 /* 1.36 s */} --- [pid 1380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1375] exit_group(0 [pid 1380] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1378] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1375] <... exit_group resumed>) = ? [pid 1380] exit_group(0 [pid 1378] exit_group(0 [pid 1375] +++ exited with 0 +++ [pid 1380] <... exit_group resumed>) = ? [pid 1378] <... exit_group resumed>) = ? [pid 1380] +++ exited with 0 +++ [pid 1379] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1378] +++ exited with 0 +++ [pid 1379] exit_group(0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1379] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1379] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1381 attached , [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1381 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1381] set_robust_list(0x555579e166a0, 24 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1382 attached [pid 1381] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1382 [pid 1381] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1383 attached [pid 1382] set_robust_list(0x555579e166a0, 24 [pid 1381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1383 [pid 1383] set_robust_list(0x555579e166a0, 24 [pid 1382] <... set_robust_list resumed>) = 0 [pid 1381] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1383] <... set_robust_list resumed>) = 0 [pid 1382] rt_sigprocmask(SIG_SETMASK, [] [pid 1381] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1381] <... setpgid resumed>) = 0 [pid 1382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1383] rt_sigprocmask(SIG_SETMASK, [] [pid 1382] <... prctl resumed>) = 0 [pid 1381] <... openat resumed>) = 3 [pid 1382] setpgid(0, 0 [pid 1381] write(3, "1000", 4 [pid 1382] <... setpgid resumed>) = 0 [pid 1381] <... write resumed>) = 4 [pid 1383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1381] close(3 [pid 1383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1382] <... openat resumed>) = 3 [pid 1381] <... close resumed>) = 0 [pid 1382] write(3, "1000", 4 [pid 1381] write(1, "executing program\n", 18 [pid 1382] <... write resumed>) = 4 [pid 1381] <... write resumed>) = 18 [pid 1383] <... prctl resumed>) = 0 [pid 1382] close(3 [pid 1381] mkdirat(AT_FDCWD, "./config", 0777 [pid 1382] <... close resumed>) = 0 [pid 1381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1382] write(1, "executing program\n", 18 [pid 1381] mount(NULL, "./config", "configfs", 0, NULL [pid 1382] <... write resumed>) = 18 [pid 1381] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1383] setpgid(0, 0 [pid 1382] mkdirat(AT_FDCWD, "./config", 0777 [pid 1381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1382] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1383] <... setpgid resumed>) = 0 [pid 1382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1381] <... mkdirat resumed>) = 0 [pid 1382] rmdir("./config/usb_gadget/g1" [pid 1383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1382] <... rmdir resumed>) = 0 [pid 1381] rmdir("./config/usb_gadget/g1" [pid 1382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1381] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1382] exit_group(0 [pid 1381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1382] <... exit_group resumed>) = ? [pid 1383] <... openat resumed>) = 3 [pid 1382] +++ exited with 0 +++ [pid 1381] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1383] write(3, "1000", 4 [pid 1381] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1383] <... write resumed>) = 4 [pid 1381] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1383] close(3) = 0 [pid 1383] write(1, "executing program\n", 18) = 18 [pid 1381] +++ exited with 0 +++ [pid 1383] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1383] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1384 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1384 attached executing program executing program executing program [pid 1383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1384] set_robust_list(0x555579e166a0, 24 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1384] <... set_robust_list resumed>) = 0 [pid 1384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1384] setpgid(0, 0 [pid 1383] <... mkdirat resumed>) = 0 [pid 1384] <... setpgid resumed>) = 0 [pid 1384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1384] write(3, "1000", 4) = 4 [pid 1384] close(3) = 0 [pid 1384] write(1, "executing program\n", 18) = 18 [pid 1384] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1384] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1384] rmdir("./config/usb_gadget/g1") = 0 [pid 1383] rmdir("./config/usb_gadget/g1" [pid 306] <... restart_syscall resumed>) = 0 [pid 1384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1385 [pid 1384] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1384] <... exit_group resumed>) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1385 attached [pid 1384] +++ exited with 0 +++ [pid 1383] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1386 attached executing program [pid 1385] set_robust_list(0x555579e166a0, 24 [pid 1383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1386 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1386] set_robust_list(0x555579e166a0, 24 [pid 1385] <... set_robust_list resumed>) = 0 [pid 1383] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1383] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1386] <... set_robust_list resumed>) = 0 [pid 1386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1383] <... exit_group resumed>) = ? [pid 1386] <... prctl resumed>) = 0 [pid 1386] setpgid(0, 0) = 0 [pid 1386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1386] write(3, "1000", 4) = 4 [pid 1386] close(3 [pid 1383] +++ exited with 0 +++ [pid 1386] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1387 [pid 1386] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1386] <... write resumed>) = 18 executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1386] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1386] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1385] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1387 attached [pid 1386] <... mkdirat resumed>) = 0 [pid 1385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1386] rmdir("./config/usb_gadget/g1") = 0 [pid 1385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1386] exit_group(0) = ? [pid 1386] +++ exited with 0 +++ [pid 1385] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1385] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1387] set_robust_list(0x555579e166a0, 24) = 0 [pid 1387] rt_sigprocmask(SIG_SETMASK, [] [pid 1385] <... setpgid resumed>) = 0 [pid 1387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1387] <... prctl resumed>) = 0 [pid 1387] setpgid(0, 0) = 0 [pid 1387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1385] <... openat resumed>) = 3 [pid 305] <... restart_syscall resumed>) = 0 [pid 1387] <... openat resumed>) = 3 [pid 1387] write(3, "1000", 4 [pid 1385] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1388 attached [pid 1387] <... write resumed>) = 4 [pid 1385] <... write resumed>) = 4 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1388 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1388] set_robust_list(0x555579e166a0, 24 [pid 1387] close(3 [pid 1385] close(3 [pid 1388] <... set_robust_list resumed>) = 0 [pid 1388] rt_sigprocmask(SIG_SETMASK, [] [pid 1387] <... close resumed>) = 0 [pid 1385] <... close resumed>) = 0 [pid 1388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1385] write(1, "executing program\n", 18 [pid 1388] <... prctl resumed>) = 0 executing program [pid 1388] setpgid(0, 0 [pid 1385] <... write resumed>) = 18 [pid 1388] <... setpgid resumed>) = 0 executing program [pid 1388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1385] mkdirat(AT_FDCWD, "./config", 0777 [pid 1387] write(1, "executing program\n", 18 [pid 1388] <... openat resumed>) = 3 [pid 1387] <... write resumed>) = 18 [pid 1385] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1388] write(3, "1000", 4 [pid 1385] mount(NULL, "./config", "configfs", 0, NULL [pid 1387] mkdirat(AT_FDCWD, "./config", 0777 [pid 1388] <... write resumed>) = 4 [pid 1385] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1388] close(3) = 0 [pid 1388] write(1, "executing program\n", 18) = 18 [pid 1388] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1388] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1385] <... mkdirat resumed>) = 0 [pid 1388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1388] rmdir("./config/usb_gadget/g1") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1388] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1388] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1388] +++ exited with 0 +++ [pid 1387] mount(NULL, "./config", "configfs", 0, NULL [pid 1385] rmdir("./config/usb_gadget/g1" [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|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1390 attached ci2-android-5-15/strace-static-x86_64: Process 1389 attached [pid 1387] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1385] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1389 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1390 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] set_robust_list(0x555579e166a0, 24 [pid 1389] set_robust_list(0x555579e166a0, 24 [pid 1387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1390] <... set_robust_list resumed>) = 0 [pid 1390] rt_sigprocmask(SIG_SETMASK, [] [pid 1385] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1390] setpgid(0, 0) = 0 [pid 1387] <... mkdirat resumed>) = 0 [pid 1390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1390] write(3, "1000", 4) = 4 [pid 1390] close(3) = 0 [pid 1390] write(1, "executing program\n", 18) = 18 [pid 1390] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1390] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1385] exit_group(0 [pid 1387] rmdir("./config/usb_gadget/g1" [pid 1385] <... exit_group resumed>) = ? executing program [pid 1390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1390] rmdir("./config/usb_gadget/g1") = 0 [pid 1385] +++ exited with 0 +++ [pid 1390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1387] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1390] exit_group(0) = ? [pid 1387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1389] <... set_robust_list resumed>) = 0 [pid 1387] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1390] +++ exited with 0 +++ [pid 1389] rt_sigprocmask(SIG_SETMASK, [] [pid 1387] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1391 attached [pid 1389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1387] <... exit_group resumed>) = ? [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1391 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1389] setpgid(0, 0) = 0 [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1387] +++ exited with 0 +++ [pid 1389] write(3, "1000", 4) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1389] close(3) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1389] write(1, "executing program\n", 18) = 18 [pid 1389] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1389] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1391] set_robust_list(0x555579e166a0, 24 [pid 1389] <... mkdirat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1389] rmdir("./config/usb_gadget/g1") = 0 [pid 1389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1391] <... set_robust_list resumed>) = 0 [pid 1389] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1389] exit_group(0) = ? [ 33.746166][ T1374] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 33.754176][ T1374] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 33.762171][ T1374] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000007e29 [ 33.770258][ T1374] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 33.778268][ T1374] [ 33.781284][ T1374] ---[ end trace 240261b1c8946b82 ]--- [pid 1391] rt_sigprocmask(SIG_SETMASK, [] [pid 1389] +++ exited with 0 +++ [pid 1391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1391] <... prctl resumed>) = 0 [pid 1391] setpgid(0, 0) = 0 [pid 1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1391] <... openat resumed>) = 3 [pid 1391] write(3, "1000", 4) = 4 [pid 1391] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1391] write(1, "executing program\n", 18) = 18 executing program [pid 1391] mkdirat(AT_FDCWD, "./config", 0777 [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 1391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1391] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1393 attached ci2-android-5-15/strace-static-x86_64: Process 1392 attached ) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1392 [pid 1391] rmdir("./config/usb_gadget/g1" [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 1393] set_robust_list(0x555579e166a0, 24 [pid 1392] set_robust_list(0x555579e166a0, 24 [pid 1391] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1393 [pid 1391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1391] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1391] <... exit_group resumed>) = ? [pid 1393] <... set_robust_list resumed>) = 0 [pid 1392] <... set_robust_list resumed>) = 0 [pid 1391] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1393] <... prctl resumed>) = 0 [pid 1393] setpgid(0, 0) = 0 executing program [pid 1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1393] <... openat resumed>) = 3 [pid 305] <... restart_syscall resumed>) = 0 [pid 1393] write(3, "1000", 4) = 4 [pid 1393] close(3) = 0 [pid 1393] write(1, "executing program\n", 18) = 18 [pid 1393] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1394 [pid 1393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1393] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1395 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1393] <... mkdirat resumed>) = 0 [pid 1392] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 1393] rmdir("./config/usb_gadget/g1") = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1393] exit_group(0) = ? [pid 1393] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1396 ci2-android-5-15/strace-static-x86_64: Process 1394 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1394] set_robust_list(0x555579e166a0, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1394] <... set_robust_list resumed>) = 0 [pid 1394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1394] setpgid(0, 0) = 0 [pid 1394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1395 attached [pid 1395] set_robust_list(0x555579e166a0, 24 [pid 1394] <... openat resumed>) = 3 [pid 1392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1395] <... set_robust_list resumed>) = 0 [pid 1395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1394] write(3, "1000", 4 [pid 1395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1394] <... write resumed>) = 4 [pid 1395] <... prctl resumed>) = 0 [pid 1394] close(3 [pid 1395] setpgid(0, 0 [pid 1394] <... close resumed>) = 0 [pid 1395] <... setpgid resumed>) = 0 [pid 1394] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1396 attached [pid 1395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1394] <... write resumed>) = 18 [pid 1392] <... prctl resumed>) = 0 [pid 1396] set_robust_list(0x555579e166a0, 24 [pid 1395] <... openat resumed>) = 3 [pid 1394] mkdirat(AT_FDCWD, "./config", 0777 [pid 1392] setpgid(0, 0 [pid 1395] write(3, "1000", 4 [pid 1394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1392] <... setpgid resumed>) = 0 [pid 1395] <... write resumed>) = 4 [pid 1394] mount(NULL, "./config", "configfs", 0, NULL [pid 1395] close(3 [pid 1394] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1395] <... close resumed>) = 0 executing program [pid 1394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1396] <... set_robust_list resumed>) = 0 [pid 1395] write(1, "executing program\n", 18 [pid 1394] <... mkdirat resumed>) = 0 [pid 1392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1395] <... write resumed>) = 18 executing program [pid 1394] rmdir("./config/usb_gadget/g1" [pid 1396] rt_sigprocmask(SIG_SETMASK, [] [pid 1395] mkdirat(AT_FDCWD, "./config", 0777 [pid 1394] <... rmdir resumed>) = 0 [pid 1392] <... openat resumed>) = 3 [pid 1395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1395] mount(NULL, "./config", "configfs", 0, NULL [pid 1394] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1392] write(3, "1000", 4 [pid 1396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1395] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1394] exit_group(0 [pid 1392] <... write resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 1395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1394] <... exit_group resumed>) = ? [pid 1396] <... prctl resumed>) = 0 [pid 1395] <... mkdirat resumed>) = 0 [pid 1394] +++ exited with 0 +++ [pid 1392] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1395] rmdir("./config/usb_gadget/g1" [pid 1396] setpgid(0, 0 [pid 1395] <... rmdir resumed>) = 0 [pid 1392] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1395] exit_group(0) = ? [pid 1395] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1394, 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 1392] write(1, "executing program\n", 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1396] <... setpgid resumed>) = 0 [pid 1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1397 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1396] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1392] <... write resumed>) = 18 [pid 1396] <... write resumed>) = 4 [pid 1396] close(3) = 0 [pid 1396] write(1, "executing program\n", 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1398 [pid 1396] <... write resumed>) = 18 [pid 1396] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1396] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1399 [pid 1396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1398 attached [pid 1396] <... mkdirat resumed>) = 0 [pid 1392] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1396] rmdir("./config/usb_gadget/g1") = 0 [pid 1396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1396] exit_group(0) = ? [pid 1398] set_robust_list(0x555579e166a0, 24 [pid 1396] +++ exited with 0 +++ [pid 1392] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1397 attached [pid 1397] set_robust_list(0x555579e166a0, 24) = 0 [pid 1397] rt_sigprocmask(SIG_SETMASK, [] [pid 1392] mount(NULL, "./config", "configfs", 0, NULL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1398] <... set_robust_list resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1392] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1397] <... prctl resumed>) = 0 [pid 1397] setpgid(0, 0) = 0 [pid 1397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1397] write(3, "1000", 4) = 4 [pid 1392] <... mkdirat resumed>) = 0 [pid 1397] close(3) = 0 [pid 1397] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1399 attached ) = 18 [pid 1399] set_robust_list(0x555579e166a0, 24 [pid 1397] mkdirat(AT_FDCWD, "./config", 0777 [pid 1399] <... set_robust_list resumed>) = 0 [pid 1397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1399] rt_sigprocmask(SIG_SETMASK, [] [pid 1397] mount(NULL, "./config", "configfs", 0, NULL [pid 1399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1399] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1392] rmdir("./config/usb_gadget/g1" [pid 1399] <... prctl resumed>) = 0 [pid 1397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1399] setpgid(0, 0 [pid 1397] rmdir("./config/usb_gadget/g1" [pid 1399] <... setpgid resumed>) = 0 [pid 1397] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1392] <... rmdir resumed>) = 0 [pid 1399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1399] <... openat resumed>) = 3 [pid 1397] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1399] write(3, "1000", 4 [pid 1397] exit_group(0 [pid 1392] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1398] rt_sigprocmask(SIG_SETMASK, [] [pid 1399] <... write resumed>) = 4 [pid 1397] <... exit_group resumed>) = ? [pid 1399] close(3 [pid 1398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] +++ exited with 0 +++ [pid 1392] exit_group(0 [pid 1399] <... close resumed>) = 0 [pid 1392] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1399] write(1, "executing program\n", 18 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1399] <... write resumed>) = 18 [pid 1399] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1399] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 1392] +++ exited with 0 +++ executing program [pid 1399] rmdir("./config/usb_gadget/g1" [pid 1398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1399] <... rmdir resumed>) = 0 [pid 1398] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1398] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1399] exit_group(0 [pid 1398] <... setpgid resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1399] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1399] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1400 ci2-android-5-15/strace-static-x86_64: Process 1400 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1400] set_robust_list(0x555579e166a0, 24 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1400] <... set_robust_list resumed>) = 0 [pid 1400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1400] setpgid(0, 0) = 0 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1401 [pid 304] <... restart_syscall resumed>) = 0 [pid 1400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1401 attached [pid 1401] set_robust_list(0x555579e166a0, 24) = 0 [pid 1401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1402 [pid 1401] setpgid(0, 0) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1398] <... openat resumed>) = 3 [pid 1401] <... openat resumed>) = 3 [pid 1401] write(3, "1000", 4) = 4 [pid 1401] close(3) = 0 [pid 1401] write(1, "executing program\n", 18) = 18 [pid 1400] <... openat resumed>) = 3 [pid 1401] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1401] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1400] write(3, "1000", 4 [pid 1398] write(3, "1000", 4 [pid 1401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1400] <... write resumed>) = 4 [pid 1398] <... write resumed>) = 4 [pid 1400] close(3 [pid 1398] close(3 [pid 1401] <... mkdirat resumed>) = 0 [pid 1401] rmdir("./config/usb_gadget/g1" [pid 1400] <... close resumed>) = 0 [pid 1398] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1400] write(1, "executing program\n", 18 [pid 1398] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1400] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1398] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1400] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1403 attached ) = -1 EEXIST (File exists) [pid 1398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1403 [pid 1398] mount(NULL, "./config", "configfs", 0, NULL [pid 1400] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1401] <... rmdir resumed>) = 0 [pid 1400] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1398] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1401] exit_group(0 [pid 1398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program executing program executing program [pid 1403] set_robust_list(0x555579e166a0, 24 [pid 1400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1401] <... exit_group resumed>) = ? [pid 1401] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1402 attached [pid 1403] <... set_robust_list resumed>) = 0 [pid 1400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1398] <... mkdirat resumed>) = 0 [pid 1402] set_robust_list(0x555579e166a0, 24 [pid 1400] rmdir("./config/usb_gadget/g1" [pid 1398] rmdir("./config/usb_gadget/g1" [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1402] <... set_robust_list resumed>) = 0 [pid 1400] <... rmdir resumed>) = 0 [pid 1398] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1403] setpgid(0, 0) = 0 [pid 1400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1400] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1398] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1403] write(3, "1000", 4) = 4 [pid 1403] close(3) = 0 [pid 1403] write(1, "executing program\n", 18) = 18 [pid 1403] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1403] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 1400] exit_group(0 [pid 1398] exit_group(0 [pid 1400] <... exit_group resumed>) = ? [pid 1398] <... exit_group resumed>) = ? [pid 1402] rt_sigprocmask(SIG_SETMASK, [] [pid 1400] +++ exited with 0 +++ [pid 1398] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1403] <... mkdirat resumed>) = 0 [pid 1403] rmdir("./config/usb_gadget/g1" [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1404 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1403] <... rmdir resumed>) = 0 [pid 1403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1403] exit_group(0) = ? [pid 1402] <... prctl resumed>) = 0 [pid 1402] setpgid(0, 0) = 0 [pid 1402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1403] +++ exited with 0 +++ [pid 1402] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1402] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1402] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1404 attached [pid 1404] set_robust_list(0x555579e166a0, 24 [pid 1402] close(3 [pid 1404] <... set_robust_list resumed>) = 0 [pid 1402] <... close resumed>) = 0 [pid 1404] rt_sigprocmask(SIG_SETMASK, [] [pid 1402] write(1, "executing program\n", 18 [pid 1404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1404] setpgid(0, 0) = 0 [pid 1404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1402] <... write resumed>) = 18 [pid 1404] <... openat resumed>) = 3 [pid 1404] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 1402] mkdirat(AT_FDCWD, "./config", 0777 [pid 1404] <... write resumed>) = 4 [pid 1404] close(3 [pid 1402] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1402] mount(NULL, "./config", "configfs", 0, NULL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1404] <... close resumed>) = 0 [pid 1404] write(1, "executing program\n", 18) = 18 [pid 1404] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1404] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1405 [pid 1402] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1404] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1405 attached [pid 1405] set_robust_list(0x555579e166a0, 24) = 0 [pid 1405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1405] setpgid(0, 0) = 0 [pid 1405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1405] write(3, "1000", 4) = 4 [pid 1405] close(3) = 0 [pid 1405] write(1, "executing program\n", 18) = 18 [pid 1404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1402] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1402] rmdir("./config/usb_gadget/g1" [pid 1404] rmdir("./config/usb_gadget/g1" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [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 1404] <... rmdir resumed>) = 0 [pid 1404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENOENT (No such file or directory) [pid 1404] exit_group(0) = ? [pid 1404] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555579e16690) = 1407 [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1406 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1402] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1405] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1405] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1402] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1402] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1406 attached ci2-android-5-15/strace-static-x86_64: Process 1407 attached [pid 1406] set_robust_list(0x555579e166a0, 24 [pid 1405] <... mkdirat resumed>) = 0 [pid 1402] <... exit_group resumed>) = ? [pid 1402] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1406] <... set_robust_list resumed>) = 0 [pid 1406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1406] setpgid(0, 0) = 0 [pid 1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1407] set_robust_list(0x555579e166a0, 24) = 0 [pid 1406] <... openat resumed>) = 3 [pid 1405] rmdir("./config/usb_gadget/g1" [pid 1406] write(3, "1000", 4) = 4 [pid 1406] close(3) = 0 [pid 1406] write(1, "executing program\n", 18) = 18 [pid 1406] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1406] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 1406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1406] rmdir("./config/usb_gadget/g1" [pid 1407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1407] setpgid(0, 0) = 0 [pid 1406] <... rmdir resumed>) = 0 [pid 1405] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1406] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1406] exit_group(0) = ? [pid 1407] <... openat resumed>) = 3 [pid 1407] write(3, "1000", 4 [pid 1405] <... mkdirat resumed>) = -1 ENOENT (No such file or directory) [pid 1407] <... write resumed>) = 4 [pid 1406] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1407] close(3 [pid 1405] exit_group(0) = ? [pid 1407] <... close resumed>) = 0 [pid 1405] +++ exited with 0 +++ [pid 1407] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1407] <... write resumed>) = 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 308] <... 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 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1407] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1408 attached [pid 1407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555579e16690) = 1408 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1408] set_robust_list(0x555579e166a0, 24 [pid 305] <... clone resumed>, child_tidptr=0x555579e16690) = 1409 [pid 304] <... clone resumed>, child_tidptr=0x555579e16690) = 1410 ci2-android-5-15/strace-static-x86_64: Process 1411 attached [pid 308] <... clone resumed>, child_tidptr=0x555579e16690) = 1411 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1410 attached ci2-android-5-15/strace-static-x86_64: Process 1409 attached [pid 1411] set_robust_list(0x555579e166a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1407] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1408] <... set_robust_list resumed>) = 0 [pid 1411] <... set_robust_list resumed>) = 0 [pid 1410] set_robust_list(0x555579e166a0, 24 [pid 1409] set_robust_list(0x555579e166a0, 24) = 0 [pid 1411] rt_sigprocmask(SIG_SETMASK, [] [pid 1410] <... set_robust_list resumed>) = 0 [pid 1411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] rt_sigprocmask(SIG_SETMASK, [] [pid 1410] rt_sigprocmask(SIG_SETMASK, [] [pid 1411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1409] setpgid(0, 0) = 0 [pid 1409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1411] <... prctl resumed>) = 0 [pid 1410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1411] setpgid(0, 0 [pid 1410] <... prctl resumed>) = 0 [pid 1409] <... openat resumed>) = 3 [pid 1407] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1409] write(3, "1000", 4) = 4 [pid 1409] close(3) = 0 [pid 1409] write(1, "executing program\n", 18) = 18 [pid 1409] mkdirat(AT_FDCWD, "./config", 0777 [pid 1411] <... setpgid resumed>) = 0 [pid 1410] setpgid(0, 0 [pid 1409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1408] rt_sigprocmask(SIG_SETMASK, [] [pid 1411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1410] <... setpgid resumed>) = 0 [pid 1407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1409] mount(NULL, "./config", "configfs", 0, NULL [pid 1411] <... openat resumed>) = 3 [pid 1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1409] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1411] write(3, "1000", 4 [pid 1410] <... openat resumed>) = 3 [pid 1409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1407] <... mkdirat resumed>) = 0 [pid 1411] <... write resumed>) = 4 [pid 1411] close(3 [pid 1410] write(3, "1000", 4 [pid 1411] <... close resumed>) = 0 [pid 1409] rmdir("./config/usb_gadget/g1" [pid 1408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1407] rmdir("./config/usb_gadget/g1" [pid 1411] write(1, "executing program\n", 18 [pid 1410] <... write resumed>) = 4 [pid 1411] <... write resumed>) = 18 [pid 1410] close(3 [pid 1408] <... prctl resumed>) = 0 [pid 1411] mkdirat(AT_FDCWD, "./config", 0777 [pid 1410] <... close resumed>) = 0 [pid 1408] setpgid(0, 0 [pid 1411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1410] write(1, "executing program\n", 18 [pid 1411] mount(NULL, "./config", "configfs", 0, NULL [pid 1408] <... setpgid resumed>) = 0 [pid 1410] <... write resumed>) = 18 [pid 1411] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1410] mkdirat(AT_FDCWD, "./config", 0777 [pid 1411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1410] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1411] <... mkdirat resumed>) = 0 executing program executing program executing program [pid 1410] mount(NULL, "./config", "configfs", 0, NULL [pid 1409] <... rmdir resumed>) = 0 [pid 1408] <... openat resumed>) = 3 [pid 1407] <... rmdir resumed>) = -1 ENOENT (No such file or directory) [pid 1411] rmdir("./config/usb_gadget/g1" [pid 1410] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 1411] <... rmdir resumed>) = 0 [pid 1410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1408] write(3, "1000", 4 [pid 1407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 1410] <... mkdirat resumed>) = 0 [pid 1408] <... write resumed>) = 4 [pid 1410] rmdir("./config/usb_gadget/g1" executing program [pid 1408] close(3) = 0 [pid 1408] write(1, "executing program\n", 18) = 18 [pid 1408] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1408] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 1408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.920185][ T1411] ------------[ cut here ]------------ [ 33.925784][ T1411] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [ 33.935854][ T1411] WARNING: CPU: 1 PID: 1411 at lib/kobject.c:666 kobject_get+0x7c/0x120 [ 33.944416][ T1411] Modules linked in: [ 33.948722][ T1411] CPU: 0 PID: 1411 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 33.957974][ T1411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.968055][ T1411] RIP: 0010:kobject_get+0x7c/0x120 [ 33.973173][ T1411] Code: f9 fe 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 46 58 39 ff 48 8b 33 48 c7 c7 20 c6 64 85 48 89 da e8 24 f8 3a 02 <0f> 0b eb 0c e8 5b e5 f9 fe eb 4c e8 54 e5 f9 fe 4c 8d 73 38 4c 89 [ 33.992913][ T1411] RSP: 0018:ffffc900029b7a18 EFLAGS: 00010246 [ 33.999016][ T1411] RAX: 82251e0050d91600 RBX: ffff88810bf03800 RCX: ffff88810b95bb40 [ 34.006985][ T1411] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 34.015055][ T1411] RBP: ffffc900029b7a30 R08: ffff8881f7132f3f R09: 1ffff1103ee265e7 [ 34.023074][ T1411] R10: dffffc0000000000 R11: ffffed103ee265e8 R12: 1ffff11024816a0e [ 34.031089][ T1411] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 34.039100][ T1411] FS: 0000555579e163c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 34.048079][ T1411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.054781][ T1411] CR2: 0000200000000000 CR3: 000000011d711000 CR4: 00000000003506b0 [ 34.062785][ T1411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.070796][ T1411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.078805][ T1411] Call Trace: [ 34.082097][ T1411] [ 34.085030][ T1411] device_add+0x2f0/0xe90 [ 34.089430][ T1411] device_create+0x26c/0x300 [ 34.094052][ T1411] ? root_device_unregister+0x80/0x80 [ 34.099471][ T1411] create_function_device+0x60/0x70 [ 34.104690][ T1411] f_midi_alloc_inst+0x1a8/0x380 [ 34.109688][ T1411] usb_get_function_instance+0xe2/0x2f0 [ 34.115272][ T1411] function_make+0x118/0x350 [ 34.119902][ T1411] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 34.126243][ T1411] ? wait_for_completion_killable_timeout+0x10/0x10 [ 34.132879][ T1411] ? __kmalloc+0x13d/0x2c0 [ 34.137322][ T1411] ? configfs_mkdir+0x444/0x9c0 [ 34.142230][ T1411] configfs_mkdir+0x50a/0x9c0 [ 34.146928][ T1411] vfs_mkdir+0x38b/0x590 [ 34.151202][ T1411] do_mkdirat+0x174/0x4d0 [ 34.155551][ T1411] __x64_sys_mkdirat+0x89/0xa0 [ 34.160350][ T1411] x64_sys_call+0x37e/0x9a0 [ 34.164959][ T1411] do_syscall_64+0x4c/0xa0 [ 34.169408][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.174100][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.178803][ T1411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.184707][ T1411] RIP: 0033:0x7fbbb7b54639 [ 34.189167][ T1411] 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 [ 34.208801][ T1411] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 34.217212][ T1411] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 34.225229][ T1411] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 34.233237][ T1411] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 34.241248][ T1411] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000008446 [ 34.249259][ T1411] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 34.257232][ T1411] [ 34.260307][ T1411] ---[ end trace 240261b1c8946b83 ]--- [ 34.265794][ T1411] ------------[ cut here ]------------ [ 34.271330][ T1411] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [ 34.281240][ T1411] WARNING: CPU: 0 PID: 1411 at lib/kobject.c:666 kobject_add_internal+0x12e/0xde0 [ 34.290483][ T1411] Modules linked in: [ 34.294389][ T1411] CPU: 0 PID: 1411 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 34.303615][ T1411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.313735][ T1411] RIP: 0010:kobject_add_internal+0x12e/0xde0 [ 34.319771][ T1411] Code: b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 c5 3f 39 ff 49 8b 34 24 48 c7 c7 20 c6 64 85 4c 89 e2 e8 a2 df 3a 02 <0f> 0b e9 04 01 00 00 e8 d6 cc f9 fe b8 fe ff ff ff e9 b0 09 00 00 [ 34.339437][ T1411] RSP: 0018:ffffc900029b7898 EFLAGS: 00010246 [ 34.345530][ T1411] RAX: 82251e0050d91600 RBX: ffff888106df3c00 RCX: ffff88810b95bb40 [ 34.353548][ T1411] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 34.361555][ T1411] RBP: ffffc900029b78f0 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 [ 34.369582][ T1411] R10: dffffc0000000000 R11: ffffed103ee065e8 R12: ffff88810bf03800 [ 34.377571][ T1411] R13: ffff888106df3c18 R14: 0000000000000000 R15: 1ffff11020dbe780 [ 34.385603][ T1411] FS: 0000555579e163c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 34.394564][ T1411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.401265][ T1411] CR2: 0000200000000000 CR3: 000000011d711000 CR4: 00000000003506b0 [ 34.409283][ T1411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.417256][ T1411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.425258][ T1411] Call Trace: [ 34.428581][ T1411] [ 34.431512][ T1411] ? kobject_set_name_vargs+0xca/0x110 [ 34.436977][ T1411] kobject_add+0x165/0x230 [ 34.441432][ T1411] ? kobject_init+0x1d0/0x1d0 [ 34.446129][ T1411] ? kobject_init+0x83/0x1d0 [ 34.450756][ T1411] get_device_parent+0x3a6/0x410 [ 34.455729][ T1411] device_add+0x308/0xe90 [ 34.460093][ T1411] device_create+0x26c/0x300 [ 34.464720][ T1411] ? root_device_unregister+0x80/0x80 [ 34.470135][ T1411] create_function_device+0x60/0x70 [ 34.475354][ T1411] f_midi_alloc_inst+0x1a8/0x380 [ 34.480324][ T1411] usb_get_function_instance+0xe2/0x2f0 [ 34.485888][ T1411] function_make+0x118/0x350 [ 34.490501][ T1411] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 34.496840][ T1411] ? wait_for_completion_killable_timeout+0x10/0x10 [ 34.503454][ T1411] ? __kmalloc+0x13d/0x2c0 [ 34.507920][ T1411] ? configfs_mkdir+0x444/0x9c0 [ 34.512786][ T1411] configfs_mkdir+0x50a/0x9c0 [ 34.517477][ T1411] vfs_mkdir+0x38b/0x590 [ 34.521775][ T1411] do_mkdirat+0x174/0x4d0 [ 34.526127][ T1411] __x64_sys_mkdirat+0x89/0xa0 [ 34.530942][ T1411] x64_sys_call+0x37e/0x9a0 [ 34.535469][ T1411] do_syscall_64+0x4c/0xa0 [ 34.539943][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.544639][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.549359][ T1411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.555264][ T1411] RIP: 0033:0x7fbbb7b54639 [ 34.559742][ T1411] 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 [ 34.579377][ T1411] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 34.587837][ T1411] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 34.595828][ T1411] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 34.603828][ T1411] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 34.611844][ T1411] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000008446 [ 34.619858][ T1411] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 34.627890][ T1411] [ 34.630912][ T1411] ---[ end trace 240261b1c8946b84 ]--- [ 34.636363][ T1411] ------------[ cut here ]------------ [ 34.641862][ T1411] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_put() is being called. [ 34.651772][ T1411] WARNING: CPU: 0 PID: 1411 at lib/kobject.c:760 kobject_put+0x8a/0x270 [ 34.660154][ T1411] Modules linked in: [ 34.664090][ T1411] CPU: 0 PID: 1411 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 34.673434][ T1411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.683527][ T1411] RIP: 0010:kobject_put+0x8a/0x270 [ 34.688706][ T1411] Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 18 57 39 ff 48 8b 33 48 c7 c7 a0 c6 64 85 48 89 da e8 f6 f6 3a 02 <0f> 0b eb 0f e8 2d e4 f9 fe e9 7c 01 00 00 e8 23 e4 f9 fe 4c 8d 7b [ 34.708353][ T1411] RSP: 0018:ffffc900029b7860 EFLAGS: 00010246 [ 34.714419][ T1411] RAX: 82251e0050d91600 RBX: ffff88810bf03800 RCX: ffff88810b95bb40 [ 34.722602][ T1411] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 34.730648][ T1411] RBP: ffffc900029b7888 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 [ 34.738689][ T1411] R10: dffffc0000000000 R11: ffffed103ee065e8 R12: ffff88810bf03800 [ 34.746687][ T1411] R13: ffff88810bf0383c R14: 1ffff110217e0707 R15: 0000000000000000 [ 34.754745][ T1411] FS: 0000555579e163c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 34.763723][ T1411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.770360][ T1411] CR2: 0000200000000000 CR3: 000000011d711000 CR4: 00000000003506b0 [ 34.778365][ T1411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.786338][ T1411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.794365][ T1411] Call Trace: [ 34.797668][ T1411] [ 34.800662][ T1411] kobject_add_internal+0xb52/0xde0 [ 34.805909][ T1411] kobject_add+0x165/0x230 [ 34.810361][ T1411] ? kobject_init+0x1d0/0x1d0 [ 34.815055][ T1411] ? kobject_init+0x83/0x1d0 [ 34.819672][ T1411] get_device_parent+0x3a6/0x410 [ 34.824639][ T1411] device_add+0x308/0xe90 [ 34.829030][ T1411] device_create+0x26c/0x300 [ 34.833638][ T1411] ? root_device_unregister+0x80/0x80 [ 34.839051][ T1411] create_function_device+0x60/0x70 [ 34.844270][ T1411] f_midi_alloc_inst+0x1a8/0x380 [ 34.849243][ T1411] usb_get_function_instance+0xe2/0x2f0 [ 34.854818][ T1411] function_make+0x118/0x350 [ 34.859462][ T1411] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 34.865829][ T1411] ? wait_for_completion_killable_timeout+0x10/0x10 [ 34.872472][ T1411] ? __kmalloc+0x13d/0x2c0 [ 34.876916][ T1411] ? configfs_mkdir+0x444/0x9c0 [ 34.881817][ T1411] configfs_mkdir+0x50a/0x9c0 [ 34.886530][ T1411] vfs_mkdir+0x38b/0x590 [ 34.890829][ T1411] do_mkdirat+0x174/0x4d0 [ 34.895175][ T1411] __x64_sys_mkdirat+0x89/0xa0 [ 34.899972][ T1411] x64_sys_call+0x37e/0x9a0 [ 34.904488][ T1411] do_syscall_64+0x4c/0xa0 [ 34.908935][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.913629][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 34.918357][ T1411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.924263][ T1411] RIP: 0033:0x7fbbb7b54639 [ 34.928714][ T1411] 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 [ 34.948352][ T1411] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 34.956805][ T1411] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 34.964819][ T1411] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 34.972911][ T1411] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 34.980914][ T1411] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000008446 [ 34.988932][ T1411] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 34.996914][ T1411] [ 34.999964][ T1411] ---[ end trace 240261b1c8946b85 ]--- [ 35.005432][ T1411] kobject_add_internal failed for android_usb (error: -2 parent: ) [ 35.013395][ T1411] ------------[ cut here ]------------ [ 35.018872][ T1411] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_put() is being called. [ 35.028837][ T1411] WARNING: CPU: 0 PID: 1411 at lib/kobject.c:760 kobject_put+0x8a/0x270 [ 35.037173][ T1411] Modules linked in: [ 35.041103][ T1411] CPU: 0 PID: 1411 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 35.050371][ T1411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.060483][ T1411] RIP: 0010:kobject_put+0x8a/0x270 [ 35.065616][ T1411] Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 18 57 39 ff 48 8b 33 48 c7 c7 a0 c6 64 85 48 89 da e8 f6 f6 3a 02 <0f> 0b eb 0f e8 2d e4 f9 fe e9 7c 01 00 00 e8 23 e4 f9 fe 4c 8d 7b [ 35.085285][ T1411] RSP: 0018:ffffc900029b7a08 EFLAGS: 00010246 [ 35.091387][ T1411] RAX: 82251e0050d91600 RBX: ffff88810bf03800 RCX: ffff88810b95bb40 [ 35.099395][ T1411] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 35.107386][ T1411] RBP: ffffc900029b7a30 R08: ffffc900029b7467 R09: 1ffff92000536e8c [ 35.115429][ T1411] R10: dffffc0000000000 R11: fffff52000536e8d R12: ffff8881240b5068 [ 35.123426][ T1411] R13: ffff88810bf0383c R14: 1ffff110217e0707 R15: 0000000000000000 [ 35.131446][ T1411] FS: 0000555579e163c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 35.140441][ T1411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.147048][ T1411] CR2: 0000200000000000 CR3: 000000011d711000 CR4: 00000000003506b0 [ 35.155062][ T1411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.163068][ T1411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.171106][ T1411] Call Trace: [ 35.174403][ T1411] [ 35.177347][ T1411] device_add+0x985/0xe90 [ 35.181718][ T1411] device_create+0x26c/0x300 [ 35.186340][ T1411] ? root_device_unregister+0x80/0x80 [ 35.191786][ T1411] create_function_device+0x60/0x70 [ 35.197022][ T1411] f_midi_alloc_inst+0x1a8/0x380 [ 35.202016][ T1411] usb_get_function_instance+0xe2/0x2f0 [ 35.207605][ T1411] function_make+0x118/0x350 [ 35.212253][ T1411] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 35.218612][ T1411] ? wait_for_completion_killable_timeout+0x10/0x10 [ 35.225219][ T1411] ? __kmalloc+0x13d/0x2c0 [ 35.229673][ T1411] ? configfs_mkdir+0x444/0x9c0 [ 35.234546][ T1411] configfs_mkdir+0x50a/0x9c0 [ 35.239254][ T1411] vfs_mkdir+0x38b/0x590 [ 35.243514][ T1411] do_mkdirat+0x174/0x4d0 [ 35.247888][ T1411] __x64_sys_mkdirat+0x89/0xa0 [ 35.252680][ T1411] x64_sys_call+0x37e/0x9a0 [ 35.257193][ T1411] do_syscall_64+0x4c/0xa0 [ 35.261645][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 35.266472][ T1411] ? clear_bhb_loop+0x50/0xa0 [ 35.271184][ T1411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.277102][ T1411] RIP: 0033:0x7fbbb7b54639 [ 35.281555][ T1411] 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 [ 35.301206][ T1411] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 35.309643][ T1411] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 35.317635][ T1411] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [pid 1408] rmdir("./config/usb_gadget/g1" [pid 1411] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 1411] exit_group(0) = ? [pid 1411] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1411, si_uid=0, si_status=0, si_utime=0, si_stime=135 /* 1.35 s */} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 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=0x555579e16690) = 1412 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1412 attached [pid 1412] set_robust_list(0x555579e166a0, 24) = 0 [pid 1412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 35.325657][ T1411] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 35.333694][ T1411] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000008446 [ 35.341722][ T1411] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 35.349723][ T1411] [ 35.352737][ T1411] ---[ end trace 240261b1c8946b86 ]--- [ 35.358324][ T1409] ------------[ cut here ]------------ [ 35.363871][ T1409] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [pid 1412] setpgid(0, 0) = 0 [pid 1412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1412] write(3, "1000", 4) = 4 [pid 1412] close(3) = 0 executing program [pid 1412] write(1, "executing program\n", 18) = 18 [pid 1412] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 1412] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 35.374108][ T1409] WARNING: CPU: 0 PID: 1409 at lib/kobject.c:666 kobject_get+0x7c/0x120 [ 35.383001][ T1409] Modules linked in: [ 35.387182][ T1409] CPU: 0 PID: 1409 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 35.396420][ T1409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.406516][ T1409] RIP: 0010:kobject_get+0x7c/0x120 [ 35.411744][ T1409] Code: f9 fe 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 46 58 39 ff 48 8b 33 48 c7 c7 20 c6 64 85 48 89 da e8 24 f8 3a 02 <0f> 0b eb 0c e8 5b e5 f9 fe eb 4c e8 54 e5 f9 fe 4c 8d 73 38 4c 89 [ 35.431461][ T1409] RSP: 0018:ffffc90002977a18 EFLAGS: 00010246 [ 35.437560][ T1409] RAX: bdef57bd47dfff00 RBX: ffff88810bf03800 RCX: ffff88810be1cf00 [ 35.445590][ T1409] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 35.453591][ T1409] RBP: ffffc90002977a30 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 [ 35.461599][ T1409] R10: dffffc0000000000 R11: ffffed103ee065e8 R12: 1ffff1102371c00e [ 35.469606][ T1409] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 35.477588][ T1409] FS: 0000555579e163c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 35.486583][ T1409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.493194][ T1409] CR2: 0000200000000000 CR3: 000000010f46c000 CR4: 00000000003506b0 [ 35.501217][ T1409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.509215][ T1409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.517181][ T1409] Call Trace: [ 35.520496][ T1409] [ 35.523446][ T1409] device_add+0x2f0/0xe90 [ 35.527836][ T1409] device_create+0x26c/0x300 [ 35.532462][ T1409] ? root_device_unregister+0x80/0x80 [ 35.537911][ T1409] create_function_device+0x60/0x70 [ 35.543132][ T1409] f_midi_alloc_inst+0x1a8/0x380 [ 35.548103][ T1409] usb_get_function_instance+0xe2/0x2f0 [ 35.553687][ T1409] function_make+0x118/0x350 [ 35.558318][ T1409] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 35.564669][ T1409] ? wait_for_completion_killable_timeout+0x10/0x10 [ 35.571334][ T1409] ? __kmalloc+0x13d/0x2c0 [ 35.575783][ T1409] ? configfs_mkdir+0x444/0x9c0 [ 35.580693][ T1409] configfs_mkdir+0x50a/0x9c0 [ 35.585385][ T1409] vfs_mkdir+0x38b/0x590 [ 35.589667][ T1409] do_mkdirat+0x174/0x4d0 [ 35.594015][ T1409] __x64_sys_mkdirat+0x89/0xa0 [ 35.598816][ T1409] x64_sys_call+0x37e/0x9a0 [ 35.603350][ T1409] do_syscall_64+0x4c/0xa0 [ 35.607911][ T1409] ? clear_bhb_loop+0x50/0xa0 [ 35.612609][ T1409] ? clear_bhb_loop+0x50/0xa0 [ 35.617296][ T1409] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.623232][ T1409] RIP: 0033:0x7fbbb7b54639 [ 35.627688][ T1409] 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 [ 35.647338][ T1409] RSP: 002b:00007ffe69827a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 35.655774][ T1409] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007fbbb7b54639 [ 35.663791][ T1409] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 35.671802][ T1409] RBP: 0031672f74656764 R08: 0000000000000009 R09: 0000000000000009 [ 35.679812][ T1409] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000008441 [ 35.687822][ T1409] R13: 00007ffe69827a9c R14: 00007ffe69827ab0 R15: 00007ffe69827aa0 [ 35.695820][ T1409] [ 35.698879][ T1409] ---[ end trace 240261b1c8946b87 ]--- [ 35.704351][ T1409] ------------[ cut here ]------------ [ 35.709840][ T1409] kobject: '' (ffff88810bf03800): is not initialized, yet kobject_get() is being called. [ 35.719769][ T1409] WARNING: CPU: 0 PID: 1409 at lib/kobject.c:666 kobject_add_internal+0x12e/0xde0 [ 35.729101][ T1409] Modules linked in: [ 35.733016][ T1409] CPU: 0 PID: 1409 Comm: syz-executor234 Tainted: G B W syzkaller #0 [ 35.742267][ T1409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.752348][ T1409] RIP: 0010:kobject_add_internal+0x12e/0xde0 [ 35.758369][ T1409] Code: b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 c5 3f 39 ff 49 8b 34 24 48 c7 c7 20 c6 64 85 4c 89 e2 e8 a2 df 3a 02 <0f> 0b e9 04 01 00 00 e8 d6 cc f9 fe b8 fe ff ff ff e9 b0 09 00 00 [ 35.778006][ T1409] RSP: 0018:ffffc90002977898 EFLAGS: 00010246 [ 35.784072][ T1409] RAX: bdef57bd47dfff00 RBX: ffff888106df3000 RCX: ffff88810be1cf00 [ 35.792087][ T1409] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 35.800095][ T1409] RBP: ffffc900029778f0 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 [ 35.808096][ T1409] R10: dffffc0000000000 R11: ffffed103ee065e8 R12: ffff88810bf03800 [ 35.816085][ T1409] R13: ffff888106df3018 R14: 0000000000000000 R15: 1ffff11020dbe600