ci-upstream-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-root/syz-executor4032591690 <...> Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-root/syz-executor4032591690", ["ci-upstream-kasan-gce-root/syz-executor4032591690"], 0x7ffcca6ff8e0 /* 10 vars */) = 0 brk(NULL) = 0x555594d2b000 brk(0x555594d2bd80) = 0x555594d2bd80 arch_prctl(ARCH_SET_FS, 0x555594d2b400) = 0 set_tid_address(0x555594d2b6d0) = 5624 set_robust_list(0x555594d2b6e0, 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}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-root/syz-executor4032591690", 4096) = 55 getrandom("\x7e\x45\xdc\x9c\xf8\x16\xbc\xbf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594d2bd80 brk(0x555594d4cd80) = 0x555594d4cd80 brk(0x555594d4d000) = 0x555594d4d000 mprotect(0x7fcec3a63000, 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|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5625 attached , child_tidptr=0x555594d2b6d0) = 5625 [pid 5625] set_robust_list(0x555594d2b6e0, 24) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] getrandom( [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5625] <... getrandom resumed>"\xed\x9f\x20\x4d\xaf\xaf\x29\xef", 8, GRND_NONBLOCK) = 8 [pid 5625] mkdir("./syzkaller.1ue6Cx", 0700ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5626 attached [pid 5624] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5626 [pid 5625] <... mkdir resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5626] set_robust_list(0x555594d2b6e0, 24 [pid 5625] chmod("./syzkaller.1ue6Cx", 0777 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... chmod resumed>) = 0 [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] chdir("./syzkaller.1ue6Cx"ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5627 attached [pid 5626] getrandom( [pid 5625] <... chdir resumed>) = 0 [pid 5624] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5627 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] set_robust_list(0x555594d2b6e0, 24 [pid 5626] <... getrandom resumed>"\x85\x82\x53\x3d\xfd\x9e\xb5\xca", 8, GRND_NONBLOCK) = 8 [pid 5625] mkdir("./0", 0777 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5627] <... set_robust_list resumed>) = 0 [pid 5626] mkdir("./syzkaller.f2zlUO", 0700 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5626] <... mkdir resumed>) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5626] chmod("./syzkaller.f2zlUO", 0777 [pid 5627] getrandom("\x0c\xe5\xce\x5c\x58\x4c\x35\x21", 8, GRND_NONBLOCK) = 8 [pid 5626] <... chmod resumed>) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5627] mkdir("./syzkaller.69b30q", 0700ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5628 attached [pid 5626] chdir("./syzkaller.f2zlUO" [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5624] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5628 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] set_robust_list(0x555594d2b6e0, 24 [pid 5627] <... mkdir resumed>) = 0 [pid 5626] <... chdir resumed>) = 0 [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5627] chmod("./syzkaller.69b30q", 0777 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] <... set_robust_list resumed>) = 0 [pid 5626] mkdir("./0", 0777 [pid 5625] close(3 [pid 5627] <... chmod resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] chdir("./syzkaller.69b30q" [pid 5626] <... mkdir resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5628] getrandom( [pid 5627] <... chdir resumed>) = 0 [pid 5627] mkdir("./0", 0777 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5628] <... getrandom resumed>"\xdb\x29\xc6\x3d\x3f\xba\x1c\x67", 8, GRND_NONBLOCK) = 8 [pid 5628] mkdir("./syzkaller.7Oaa9l", 0700 [pid 5627] <... mkdir resumed>) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5629 attached [pid 5628] <... mkdir resumed>) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5626] <... openat resumed>) = 3 [pid 5624] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5629 [pid 5629] set_robust_list(0x555594d2b6e0, 24 [pid 5628] chmod("./syzkaller.7Oaa9l", 0777 [pid 5627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5626] ioctl(3, LOOP_CLR_FD [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5629] <... set_robust_list resumed>) = 0 [pid 5627] <... openat resumed>) = 3 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5630 attached [pid 5629] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... chmod resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] ioctl(3, LOOP_CLR_FD [pid 5626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5626] close(3 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5626] <... close resumed>) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5630] set_robust_list(0x555594d2b6e0, 24 [pid 5629] getrandom( [pid 5628] chdir("./syzkaller.7Oaa9l" [pid 5626] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5630 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5626] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5629] <... getrandom resumed>"\xc4\x1f\xd4\x39\x1e\x9b\x4e\xe8", 8, GRND_NONBLOCK) = 8 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] mkdir("./syzkaller.maONtn", 0700 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5631 attached [pid 5630] chdir("./0" [pid 5629] <... mkdir resumed>) = 0 [pid 5626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] set_robust_list(0x555594d2b6e0, 24 [pid 5628] <... chdir resumed>) = 0 [pid 5627] close(3 [pid 5630] <... chdir resumed>) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5630] setpgid(0, 0) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] <... set_robust_list resumed>) = 0 [pid 5629] chmod("./syzkaller.maONtn", 0777 [pid 5628] mkdir("./0", 0777 [pid 5627] <... close resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... openat resumed>) = 3 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5630] write(3, "1000", 4 [pid 5629] <... chmod resumed>) = 0 [pid 5628] <... mkdir resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5630] <... write resumed>) = 4 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5633 attached [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] close(3 [pid 5628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5631 [pid 5630] <... close resumed>) = 0 [pid 5629] chdir("./syzkaller.maONtn" [pid 5631] getrandom( [pid 5630] symlink("/dev/binderfs", "./binderfs" [pid 5629] <... chdir resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] set_robust_list(0x555594d2b6e0, 24 [pid 5631] <... getrandom resumed>"\x0c\x62\xc1\xf0\x60\xf3\x17\x6f", 8, GRND_NONBLOCK) = 8 [pid 5630] <... symlink resumed>) = 0 [pid 5628] <... openat resumed>) = 3 [pid 5626] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5633 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5634 attached [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5631] mkdir("./syzkaller.kPz4jt", 0700 [pid 5630] write(1, "executing program\n", 18 executing program [pid 5629] mkdir("./0", 0777 [pid 5628] ioctl(3, LOOP_CLR_FD [pid 5627] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5634 [pid 5634] set_robust_list(0x555594d2b6e0, 24 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... write resumed>) = 18 [pid 5629] <... mkdir resumed>) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] <... set_robust_list resumed>) = 0 [pid 5630] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... futex resumed>) = 0 [pid 5631] <... mkdir resumed>) = 0 [pid 5629] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5629] <... openat resumed>) = 3 [pid 5628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] chdir("./0" [pid 5630] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5634] <... chdir resumed>) = 0 [pid 5630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] <... prctl resumed>) = 0 [pid 5633] chdir("./0" [pid 5630] <... mmap resumed>) = 0x7fcec3969000 [pid 5630] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE [pid 5629] ioctl(3, LOOP_CLR_FD [pid 5634] setpgid(0, 0 [pid 5630] <... mprotect resumed>) = 0 [pid 5629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5628] close(3 [pid 5634] <... setpgid resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] <... chdir resumed>) = 0 [pid 5631] chmod("./syzkaller.kPz4jt", 0777 [pid 5630] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5629] close(3 [pid 5628] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] <... prctl resumed>) = 0 [pid 5628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] setpgid(0, 0 [pid 5634] <... openat resumed>) = 3 [pid 5630] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5629] <... close resumed>) = 0 [pid 5634] write(3, "1000", 4 [pid 5630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0} [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5636 attached [pid 5634] <... write resumed>) = 4 [pid 5629] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5635 attached [pid 5634] close(3 [pid 5631] <... chmod resumed>) = 0 [pid 5633] <... setpgid resumed>) = 0 [pid 5629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] 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}, 33, 0, 0x53053053 [pid 5636] set_robust_list(0x555594d2b6e0, 24 [pid 5634] <... close resumed>) = 0 [pid 5630] <... clone3 resumed> => {parent_tid=[5635]}, 88) = 5635 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5634] symlink("/dev/binderfs", "./binderfs" [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... rseq resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] <... symlink resumed>) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] chdir("./syzkaller.kPz4jt" [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] set_robust_list(0x7fcec39899a0, 24 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... openat resumed>) = 3 [pid 5631] <... chdir resumed>) = 0 [pid 5630] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5636 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5637 attached [pid 5635] <... set_robust_list resumed>) = 0 [pid 5636] chdir("./0" executing program [pid 5634] write(1, "executing program\n", 18 [pid 5631] mkdir("./0", 0777 [pid 5633] write(3, "1000", 4 [pid 5630] <... futex resumed>) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... chdir resumed>) = 0 [pid 5634] <... write resumed>) = 18 [pid 5633] <... write resumed>) = 4 [pid 5630] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] close(3 [pid 5629] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5637 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] set_robust_list(0x555594d2b6e0, 24 [pid 5635] memfd_create("syzkaller", 0 [pid 5636] <... prctl resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... set_robust_list resumed>) = 0 [pid 5635] <... memfd_create resumed>) = 3 [pid 5636] setpgid(0, 0 [pid 5634] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5633] <... close resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] symlink("/dev/binderfs", "./binderfs" [pid 5631] <... mkdir resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5636] <... setpgid resumed>) = 0 [pid 5634] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... mmap resumed>) = 0x7fcebb400000 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5633] <... symlink resumed>) = 0 [pid 5637] chdir("./0" [pid 5631] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5637] <... chdir resumed>) = 0 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] <... openat resumed>) = 3 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] <... mmap resumed>) = 0x7fcec3969000 [pid 5633] write(1, "executing program\n", 18 [pid 5631] <... openat resumed>) = 3 [pid 5637] <... prctl resumed>) = 0 [pid 5633] <... write resumed>) = 18 executing program [pid 5637] setpgid(0, 0) = 0 [pid 5634] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE [pid 5633] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] write(3, "1000", 4 [pid 5634] <... mprotect resumed>) = 0 [pid 5633] <... futex resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... openat resumed>) = 3 [pid 5633] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5631] ioctl(3, LOOP_CLR_FD [pid 5636] <... write resumed>) = 4 [pid 5633] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5636] close(3 [pid 5634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5631] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... close resumed>) = 0 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0} [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5638 attached [pid 5637] write(3, "1000", 4 [pid 5636] symlink("/dev/binderfs", "./binderfs" [pid 5631] close(3 [pid 5637] <... write resumed>) = 4 [pid 5637] close(3 [pid 5636] <... symlink resumed>) = 0 [pid 5633] <... mmap resumed>) = 0x7fcec3969000 [pid 5631] <... close resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] symlink("/dev/binderfs", "./binderfs" [pid 5633] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE [pid 5631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] 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}, 33, 0, 0x53053053 [pid 5634] <... clone3 resumed> => {parent_tid=[5638]}, 88) = 5638 [pid 5638] <... rseq resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] set_robust_list(0x7fcec39899a0, 24 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... set_robust_list resumed>) = 0 executing program [pid 5636] write(1, "executing program\n", 18 [pid 5634] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... symlink resumed>) = 0 [pid 5636] <... write resumed>) = 18 [pid 5633] <... mprotect resumed>) = 0 [pid 5631] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5638] memfd_create("syzkaller", 0 [pid 5636] <... futex resumed>) = 0 [pid 5634] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5636] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... memfd_create resumed>) = 3 [pid 5636] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5638] <... mmap resumed>) = 0x7fcebb400000 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5639 attached [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0}ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5640 attached [pid 5639] set_robust_list(0x555594d2b6e0, 24 [pid 5637] write(1, "executing program\n", 18 [pid 5636] <... mmap resumed>) = 0x7fcec3969000 [pid 5633] <... clone3 resumed> => {parent_tid=[5640]}, 88) = 5640 [pid 5640] 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}, 33, 0, 0x53053053 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5637] <... write resumed>) = 18 [pid 5636] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... rseq resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... mprotect resumed>) = 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5631] <... clone resumed>, child_tidptr=0x555594d2b6d0) = 5639 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5633] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] set_robust_list(0x7fcec39899a0, 24) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0} [pid 5633] <... futex resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5641 attached [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] chdir("./0" [pid 5637] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5633] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5641] 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}, 33, 0, 0x53053053 [pid 5640] memfd_create("syzkaller", 0 [pid 5639] <... chdir resumed>) = 0 [pid 5636] <... clone3 resumed> => {parent_tid=[5641]}, 88) = 5641 [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] <... rseq resumed>) = 0 [pid 5639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] set_robust_list(0x7fcec39899a0, 24 [pid 5640] <... memfd_create resumed>) = 3 [pid 5639] <... prctl resumed>) = 0 [pid 5637] <... mmap resumed>) = 0x7fcec3969000 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5636] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] <... mmap resumed>) = 0x7fcebb400000 [pid 5639] setpgid(0, 0 [pid 5637] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE [pid 5636] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... setpgid resumed>) = 0 [pid 5637] <... mprotect resumed>) = 0 [pid 5636] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] memfd_create("syzkaller", 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... openat resumed>) = 3 [pid 5641] <... memfd_create resumed>) = 3 [pid 5639] write(3, "1000", 4 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] <... write resumed>) = 4 [pid 5637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0} [pid 5639] close(3 [pid 5641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5642 attached [pid 5642] 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}, 33, 0, 0x53053053 [pid 5641] <... mmap resumed>) = 0x7fcebb400000 [pid 5639] <... close resumed>) = 0 [pid 5637] <... clone3 resumed> => {parent_tid=[5642]}, 88) = 5642 [pid 5642] <... rseq resumed>) = 0 [pid 5639] symlink("/dev/binderfs", "./binderfs" [pid 5642] set_robust_list(0x7fcec39899a0, 24 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] <... set_robust_list resumed>) = 0 [pid 5639] <... symlink resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5642] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] write(1, "executing program\n", 18 [pid 5637] <... futex resumed>) = 0 executing program [pid 5642] memfd_create("syzkaller", 0 [pid 5639] <... write resumed>) = 18 [pid 5637] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5642] <... memfd_create resumed>) = 3 [pid 5639] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5639] rt_sigaction(SIGRT_1, {sa_handler=0x7fcec39cfc10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcec39c1be0} [pid 5642] <... mmap resumed>) = 0x7fcebb400000 [pid 5639] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcec3969000 [pid 5639] mprotect(0x7fcec396a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3989990, parent_tid=0x7fcec3989990, exit_signal=0, stack=0x7fcec3969000, stack_size=0x202c0, tls=0x7fcec39896c0}ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5643 attached [pid 5643] 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}, 33, 0, 0x53053053 [pid 5639] <... clone3 resumed> => {parent_tid=[5643]}, 88) = 5643 [pid 5643] <... rseq resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] set_robust_list(0x7fcec39899a0, 24 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5639] <... futex resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5639] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5643] memfd_create("syzkaller", 0) = 3 [pid 5643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcebb400000 [pid 5635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 [pid 5635] <... write resumed>) = 20699119 [pid 5635] munmap(0x7fcebb400000, 138412032 [pid 5642] <... write resumed>) = 20699119 [pid 5635] <... munmap resumed>) = 0 [pid 5642] munmap(0x7fcebb400000, 138412032 [pid 5635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5635] ioctl(4, LOOP_SET_FD, 3 [pid 5642] <... munmap resumed>) = 0 [pid 5642] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5642] ioctl(4, LOOP_SET_FD, 3 [pid 5635] <... ioctl resumed>) = 0 [pid 5635] close(3) = 0 [pid 5643] <... write resumed>) = 20699119 [pid 5640] <... write resumed>) = 20699119 [pid 5638] <... write resumed>) = 20699119 [pid 5635] close(4) = 0 [pid 5643] munmap(0x7fcebb400000, 138412032 [pid 5642] <... ioctl resumed>) = 0 [pid 5641] <... write resumed>) = 20699119 [pid 5640] munmap(0x7fcebb400000, 138412032 [pid 5638] munmap(0x7fcebb400000, 138412032 [pid 5635] mkdir("./file0", 0777) = 0 [pid 5642] close(3 [pid 5641] munmap(0x7fcebb400000, 138412032 [pid 5642] <... close resumed>) = 0 [pid 5642] close(4) = 0 [pid 5635] mount("/dev/loop0", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [pid 5642] mkdir("./file0", 0777) = 0 [ 87.676280][ T5635] loop0: detected capacity change from 0 to 40427 [ 87.708128][ T5642] loop4: detected capacity change from 0 to 40427 [ 87.764336][ T5635] F2FS-fs (loop0): invalid crc value [ 87.776739][ T5642] F2FS-fs (loop4): invalid crc value [ 87.803360][ T5643] loop5: detected capacity change from 0 to 40427 [pid 5642] mount("/dev/loop4", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [pid 5643] <... munmap resumed>) = 0 [pid 5640] <... munmap resumed>) = 0 [pid 5638] <... munmap resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5643] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5641] <... munmap resumed>) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5643] <... openat resumed>) = 4 [pid 5641] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5640] ioctl(4, LOOP_SET_FD, 3 [pid 5643] ioctl(4, LOOP_SET_FD, 3 [pid 5641] <... openat resumed>) = 4 [pid 5638] <... openat resumed>) = 4 [pid 5641] ioctl(4, LOOP_SET_FD, 3 [pid 5643] <... ioctl resumed>) = 0 [pid 5638] ioctl(4, LOOP_SET_FD, 3 [pid 5643] close(3) = 0 [pid 5643] close(4) = 0 [pid 5643] mkdir("./file0", 0777) = 0 [pid 5643] mount("/dev/loop5", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [pid 5641] <... ioctl resumed>) = 0 [pid 5641] close(3) = 0 [pid 5641] close(4) = 0 [pid 5641] mkdir("./file0", 0777) = 0 [ 87.803497][ T5640] loop1: detected capacity change from 0 to 40427 [ 87.821378][ T5641] loop3: detected capacity change from 0 to 40427 [ 87.833453][ T5638] loop2: detected capacity change from 0 to 40427 [ 87.846283][ T5643] F2FS-fs (loop5): invalid crc value [pid 5641] mount("/dev/loop3", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [pid 5638] <... ioctl resumed>) = 0 [pid 5638] close(3 [pid 5640] <... ioctl resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5640] close(3 [pid 5638] close(4 [pid 5640] <... close resumed>) = 0 [pid 5640] close(4 [pid 5638] <... close resumed>) = 0 [pid 5638] mkdir("./file0", 0777 [pid 5640] <... close resumed>) = 0 [pid 5640] mkdir("./file0", 0777 [pid 5638] <... mkdir resumed>) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5638] mount("/dev/loop2", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [ 87.860278][ T5641] F2FS-fs (loop3): invalid crc value [ 87.905150][ T5638] F2FS-fs (loop2): invalid crc value [ 87.915239][ T5640] F2FS-fs (loop1): invalid crc value [ 88.163998][ T5642] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [pid 5640] mount("/dev/loop1", "./file0", "f2fs", 0, "lazytime,noinline_xattr,lazytime,nobarrier" [pid 5642] <... mount resumed>) = 0 [pid 5642] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5642] chdir("./file0") = 0 [ 88.230279][ T5642] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e4 [ 88.238890][ T5635] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [pid 5642] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5642] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... mount resumed>) = 0 [pid 5642] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5642] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... openat resumed>) = 3 [ 88.288526][ T5640] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 88.298187][ T5635] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 88.308250][ T5643] F2FS-fs (loop5): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 88.312308][ T5640] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e4 [ 88.327990][ T5641] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [pid 5635] chdir("./file0" [pid 5642] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 1 [pid 5635] <... chdir resumed>) = 0 [pid 5642] chmod("./file0", 000 [pid 5635] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5637] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5635] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5635] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... mount resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5642] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] <... futex resumed>) = 0 [pid 5630] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5637] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] chmod("./file0", 000 [pid 5640] <... mount resumed>) = 0 [pid 5640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5640] chdir("./file0") = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5640] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 88.343050][ T5642] F2FS-fs (loop4): Corrupted max_depth of 3: 4294967295 [ 88.352350][ T5643] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e4 [ 88.360536][ T5638] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 88.379266][ T5635] F2FS-fs (loop0): Corrupted max_depth of 3: 4294967295 [ 88.382893][ T5641] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e4 [pid 5640] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5635] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5633] <... futex resumed>) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5643] chdir("./file0" [pid 5633] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5633] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... futex resumed>) = 0 [pid 5640] chmod("./file0", 000 [pid 5643] <... chdir resumed>) = 0 [pid 5635] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5643] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5630] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5643] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5630] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = 1 [pid 5630] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... futex resumed>) = 0 [pid 5639] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5639] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] chmod("./file0", 000 [pid 5637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5640] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5640] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5633] <... futex resumed>) = 0 [pid 5633] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... mount resumed>) = 0 [pid 5640] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5635] <... mount resumed>) = 0 [pid 5641] chdir("./file0" [pid 5635] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... chdir resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5635] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5630] exit_group(0 [pid 5641] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5635] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5642] <... mount resumed>) = 0 [pid 5641] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5641] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] <... mount resumed>) = 0 [pid 5642] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5635] +++ exited with 0 +++ [pid 5636] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] +++ exited with 0 +++ [ 88.402750][ T5640] F2FS-fs (loop1): Corrupted max_depth of 3: 4294967295 [ 88.418111][ T5638] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e4 [ 88.418202][ T5643] F2FS-fs (loop5): Corrupted max_depth of 3: 4294967295 [pid 5637] exit_group(0 [pid 5641] <... futex resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] <... exit_group resumed>) = ? [pid 5636] <... futex resumed>) = 1 [pid 5641] chmod("./file0", 000 [pid 5638] chdir("./file0" [pid 5636] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- [pid 5639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] futex(0x7fcec3a69e3c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] <... restart_syscall resumed>) = 0 [pid 5639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcec3948000 [pid 5625] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] mprotect(0x7fcec3949000, 131072, PROT_READ|PROT_WRITE [pid 5638] <... chdir resumed>) = 0 [pid 5639] <... mprotect resumed>) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcec3968990, parent_tid=0x7fcec3968990, exit_signal=0, stack=0x7fcec3948000, stack_size=0x202c0, tls=0x7fcec39686c0} [pid 5638] <... futex resumed>) = 1 [pid 5638] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... clone3 resumed> => {parent_tid=[5674]}, 88) = 5674 [pid 5639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5639] futex(0x7fcec3a69e38, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5674 attached ) = 0 [pid 5639] futex(0x7fcec3a69e3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5674] 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}, 33, 0, 0x53053053 [pid 5634] <... futex resumed>) = 0 [pid 5674] <... rseq resumed>) = 0 [pid 5634] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] set_robust_list(0x7fcec39689a0, 24 [pid 5638] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 1 [pid 5674] <... set_robust_list resumed>) = 0 [pid 5638] chmod("./file0", 000 [pid 5634] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] +++ exited with 0 +++ [pid 5637] +++ exited with 0 +++ [pid 5625] <... openat resumed>) = 3 [pid 5674] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5625] fstat(3 [pid 5643] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5641] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5640] <... mount resumed>) = 0 [pid 5629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=49 /* 0.49 s */} --- [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5643] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5643] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5625] getdents64(3 [pid 5643] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... getdents64 resumed>, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [pid 5633] exit_group(0 [pid 5629] <... restart_syscall resumed>) = 0 [pid 5625] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... futex resumed>) = ? [pid 5633] <... exit_group resumed>) = ? [pid 5641] <... futex resumed>) = 1 [pid 5640] +++ exited with 0 +++ [pid 5636] <... futex resumed>) = 0 [pid 5633] +++ exited with 0 +++ [pid 5636] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5633, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5636] <... futex resumed>) = 0 [pid 5636] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] <... mount resumed>) = 0 [pid 5641] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5638] <... chmod resumed>) = -1 E2BIG (Argument list too long) [pid 5629] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5629] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... openat resumed>) = 3 [ 88.459970][ T5641] F2FS-fs (loop3): Corrupted max_depth of 3: 4294967295 [ 88.477994][ T5638] F2FS-fs (loop2): Corrupted max_depth of 3: 4294967295 [pid 5674] futex(0x7fcec3a69e3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5634] futex(0x7fcec3a69e28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5634] futex(0x7fcec3a69e2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] <... futex resumed>) = 1 [pid 5639] <... futex resumed>) = 0 [pid 5626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] exit_group(0 [pid 5638] mount(NULL, ".", NULL, MS_RDONLY|MS_REMOUNT, NULL [pid 5643] <... futex resumed>) = ? [pid 5639] <... exit_group resumed>) = ? [pid 5629] fstat(3 [pid 5626] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5674] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5641] <... mount resumed>) = 0 [pid 5629] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5626] <... openat resumed>) = 3 [pid 5639] +++ exited with 0 +++ [pid 5631] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5639, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=47 /* 0.47 s */} --- [pid 5626] fstat(3 [pid 5629] getdents64(3 [pid 5641] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... mount resumed>) = 0 [pid 5629] <... getdents64 resumed>, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [pid 5626] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5641] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5641] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] exit_group(0 [pid 5631] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5629] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5626] getdents64(3 [pid 5641] <... futex resumed>) = ? [pid 5638] futex(0x7fcec3a69e2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... exit_group resumed>) = ? [pid 5631] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] <... getdents64 resumed>, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [pid 5641] +++ exited with 0 +++ [pid 5631] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5626] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5631] <... openat resumed>) = 3 [pid 5638] <... futex resumed>) = 1 [pid 5636] +++ exited with 0 +++ [pid 5634] <... futex resumed>) = 0 [pid 5638] futex(0x7fcec3a69e28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] exit_group(0 [pid 5631] fstat(3 [pid 5634] <... exit_group resumed>) = ? [pid 5638] <... futex resumed>) = ? [pid 5631] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5631] getdents64(3 [pid 5628] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5631] <... getdents64 resumed>, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [pid 5628] <... restart_syscall resumed>) = 0 [pid 5631] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5628] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5628] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5627] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5628] <... openat resumed>) = 3 [pid 5628] fstat(3 [pid 5627] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5628] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] getdents64(3 [pid 5627] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] <... getdents64 resumed>, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [pid 5627] <... openat resumed>) = 3 [pid 5628] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5627] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5627] getdents64(3, 0x555594d2c7a0 /* 4 entries */, 32768) = 112 [ 88.579799][ T5631] ------------[ cut here ]------------ [ 88.585772][ T5631] kernel BUG at fs/f2fs/inode.c:992! [ 88.637775][ T5631] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 88.644219][ T5631] CPU: 1 UID: 0 PID: 5631 Comm: syz-executor403 Not tainted syzkaller #0 PREEMPT(full) [ 88.653930][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.663977][ T5631] RIP: 0010:f2fs_evict_inode+0x1b6b/0x1b80 [ 88.669814][ T5631] Code: fd 48 c7 c7 c0 a5 bb 8e be 04 00 00 00 e8 dd 95 5d fd 65 48 ff 43 08 e9 02 e7 ff ff e8 2e 40 79 fd 90 0f 0b e8 26 40 79 fd 90 <0f> 0b e8 1e 40 79 fd 90 0f 0b 90 e9 d1 fe ff ff 0f 1f 44 00 00 90 [ 88.689426][ T5631] RSP: 0018:ffffc900031af6c0 EFLAGS: 00010293 [ 88.695489][ T5631] RAX: ffffffff844dc26a RBX: 0000000000000002 RCX: ffff88807bb60000 [ 88.703453][ T5631] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 88.711416][ T5631] RBP: ffffc900031af870 R08: ffff88806f49161f R09: 1ffff1100de922c3 [ 88.719379][ T5631] R10: dffffc0000000000 R11: ffffed100de922c4 R12: dffffc0000000000 [ 88.727343][ T5631] R13: 1ffff1100de922c3 R14: ffff88806f491200 R15: ffff888078e8c0c0 [ 88.735306][ T5631] FS: 0000555594d2b400(0000) GS:ffff88812505e000(0000) knlGS:0000000000000000 [ 88.744223][ T5631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.750813][ T5631] CR2: 0000555594d347a8 CR3: 000000007b183000 CR4: 0000000000350ef0 [ 88.758771][ T5631] Call Trace: [ 88.762031][ T5631] [ 88.764945][ T5631] ? do_raw_spin_lock+0x12b/0x2f0 [ 88.769959][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.775585][ T5631] ? __pfx_f2fs_evict_inode+0x10/0x10 [ 88.780953][ T5631] ? do_raw_spin_lock+0x12b/0x2f0 [ 88.785964][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.791585][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.797212][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.802831][ T5631] ? do_raw_spin_unlock+0xf5/0x210 [ 88.807931][ T5631] ? __pfx_f2fs_evict_inode+0x10/0x10 [ 88.813297][ T5631] evict+0x624/0xb50 [ 88.817181][ T5631] ? __pfx_evict+0x10/0x10 [ 88.821578][ T5631] ? do_raw_spin_lock+0x12b/0x2f0 [ 88.826588][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.832208][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.837831][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.843448][ T5631] ? do_raw_spin_unlock+0xf5/0x210 [ 88.848546][ T5631] evict_inodes+0x7e3/0x870 [ 88.853039][ T5631] ? __pfx_cgroup_writeback_umount+0x10/0x10 [ 88.859018][ T5631] ? __pfx_evict_inodes+0x10/0x10 [ 88.864029][ T5631] ? lockdep_hardirqs_on+0x7a/0x110 [ 88.869226][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.874844][ T5631] ? sync_filesystem+0x10b/0x230 [ 88.879777][ T5631] generic_shutdown_super+0xaa/0x2d0 [ 88.885055][ T5631] kill_block_super+0x44/0x90 [ 88.889727][ T5631] kill_f2fs_super+0x3eb/0x700 [ 88.894482][ T5631] ? __pfx_kill_f2fs_super+0x10/0x10 [ 88.899761][ T5631] ? call_rcu+0x64b/0x8b0 [ 88.904083][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.909701][ T5631] ? lockdep_hardirqs_on+0x7a/0x110 [ 88.914881][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.920509][ T5631] deactivate_locked_super+0xbc/0x130 [ 88.925874][ T5631] cleanup_mnt+0x3d3/0x460 [ 88.930288][ T5631] task_work_run+0x1d9/0x270 [ 88.934875][ T5631] ? __pfx_task_work_run+0x10/0x10 [ 88.939996][ T5631] ? path_umount+0x24f/0xb40 [ 88.944577][ T5631] ptrace_notify+0x27c/0x2b0 [ 88.949158][ T5631] ? __pfx_ptrace_notify+0x10/0x10 [ 88.954254][ T5631] ? srso_alias_return_thunk+0x5/0xfbef5 [ 88.959872][ T5631] ? __x64_sys_umount+0x12a/0x170 [ 88.964883][ T5631] ? __pfx___x64_sys_umount+0x10/0x10 [ 88.970245][ T5631] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.976294][ T5631] ptrace_report_syscall_exit+0x2d/0x50 [ 88.981838][ T5631] do_syscall_64+0x4f0/0x580 [ 88.986413][ T5631] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.992465][ T5631] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.998341][ T5631] RIP: 0033:0x7fcec39bcd47 [ 89.002738][ T5631] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 88 bd 0a 00 00 00 00 00 eb 96 e8 91 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 [ 89.022326][ T5631] RSP: 002b:00007ffe03dea878 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 89.030727][ T5631] RAX: 0000000000000000 RBX: 0000000000015287 RCX: 00007fcec39bcd47 [ 89.038682][ T5631] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe03dea930 [ 89.046634][ T5631] RBP: 00007ffe03dea930 R08: 00007ffe03deb930 R09: 00000000ffffffff [ 89.054590][ T5631] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe03deb9e0 [ 89.062543][ T5631] R13: 0000555594d2c770 R14: 431bde82d7b634db R15: 00007ffe03deb984 [ 89.070507][ T5631] [ 89.073503][ T5631] Modules linked in: [ 89.077702][ T5631] ---[ end trace 0000000000000000 ]--- [pid 5627] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5625] <... umount2 resumed>) = 0 [pid 5627] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] newfstatat(AT_FDCWD, "./0/file0" [pid 5625] newfstatat(AT_FDCWD, "./0/file0" [pid 5627] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5627] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5625] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5627] <... openat resumed>) = 4 [pid 5625] <... openat resumed>) = 4 [pid 5627] fstat(4 [pid 5625] fstat(4 [pid 5627] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5627] getdents64(4 [pid 5625] getdents64(4 [pid 5627] <... getdents64 resumed>, 0x555594d347e0 /* 2 entries */, 32768) = 48 [pid 5625] <... getdents64 resumed>, 0x555594d347e0 /* 2 entries */, 32768) = 48 [pid 5627] getdents64(4 [pid 5625] getdents64(4 [pid 5627] <... getdents64 resumed>, 0x555594d347e0 /* 0 entries */, 32768) = 0 [pid 5625] <... getdents64 resumed>, 0x555594d347e0 /* 0 entries */, 32768) = 0 [pid 5627] close(4 [pid 5625] close(4 [pid 5627] <... close resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5627] rmdir("./0/file0" [pid 5625] rmdir("./0/file0" [pid 5629] <... umount2 resumed>) = 0 [pid 5627] <... rmdir resumed>) = 0 [pid 5625] <... rmdir resumed>) = 0 [pid 5625] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5629] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5629] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] unlink("./0/binderfs") = 0 [pid 5625] getdents64(3, 0x555594d2c7a0 /* 0 entries */, 32768) = 0 [pid 5625] close(3) = 0 [pid 5625] rmdir("./0") = 0 [pid 5625] mkdir("./1", 0777 [pid 5629] newfstatat(AT_FDCWD, "./0/file0" [pid 5625] <... mkdir resumed>) = 0 [pid 5629] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5627] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5629] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... openat resumed>) = 3 [pid 5627] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5627] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] <... ioctl resumed>) = 0 [pid 5627] unlink("./0/binderfs" [pid 5625] close(3 [pid 5627] <... unlink resumed>) = 0 [pid 5627] getdents64(3, 0x555594d2c7a0 /* 0 entries */, 32768) = 0 [pid 5627] close(3) = 0 [pid 5629] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] rmdir("./0" [pid 5629] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5627] <... rmdir resumed>) = 0 [pid 5626] <... umount2 resumed>) = 0 [pid 5629] fstat(4 [pid 5626] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW