./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1901358716 <...> Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts. execve("./syz-executor1901358716", ["./syz-executor1901358716"], 0x7fff26ef1fa0 /* 10 vars */) = 0 brk(NULL) = 0x555592850000 brk(0x555592850d00) = 0x555592850d00 arch_prctl(ARCH_SET_FS, 0x555592850380) = 0 set_tid_address(0x555592850650) = 5080 set_robust_list(0x555592850660, 24) = 0 rseq(0x555592850ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1901358716", 4096) = 28 getrandom("\xed\xba\x79\xed\x6d\xef\x46\x5c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592850d00 brk(0x555592871d00) = 0x555592871d00 brk(0x555592872000) = 0x555592872000 mprotect(0x7f7385418000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached , child_tidptr=0x555592850650) = 5081 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] set_robust_list(0x555592850660, 24) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5080] <... clone resumed>, child_tidptr=0x555592850650) = 5082 [pid 5081] mkdir("./syzkaller.ruCPfK", 0700 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] set_robust_list(0x555592850660, 24) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5081] <... mkdir resumed>) = 0 [pid 5083] set_robust_list(0x555592850660, 24) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555592850650) = 5083 [pid 5082] mkdir("./syzkaller.sJREgu", 0700 [pid 5081] chmod("./syzkaller.ruCPfK", 0777 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] mkdir("./syzkaller.yciksv", 0700 [pid 5082] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5083] <... mkdir resumed>) = 0 [pid 5082] chmod("./syzkaller.sJREgu", 0777 [pid 5081] <... chmod resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555592850650) = 5084 [pid 5084] set_robust_list(0x555592850660, 24 [pid 5083] chmod("./syzkaller.yciksv", 0777 [pid 5082] <... chmod resumed>) = 0 [pid 5081] chdir("./syzkaller.ruCPfK" [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... chmod resumed>) = 0 [pid 5082] chdir("./syzkaller.sJREgu" [pid 5081] <... chdir resumed>) = 0 [pid 5085] set_robust_list(0x555592850660, 24 [pid 5083] chdir("./syzkaller.yciksv" [pid 5085] <... set_robust_list resumed>) = 0 [pid 5083] <... chdir resumed>) = 0 [pid 5081] mkdir("./0", 0777 [pid 5082] <... chdir resumed>) = 0 [pid 5082] mkdir("./0", 0777 [pid 5085] mkdir("./syzkaller.3dQHDh", 0700 [pid 5084] mkdir("./syzkaller.oBAQGY", 0700 [pid 5083] mkdir("./0", 0777 [pid 5082] <... mkdir resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x555592850650) = 5085 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] set_robust_list(0x555592850660, 24 [pid 5082] <... clone resumed>, child_tidptr=0x555592850650) = 5086 ./strace-static-x86_64: Process 5087 attached [pid 5086] <... set_robust_list resumed>) = 0 [pid 5084] <... mkdir resumed>) = 0 [pid 5087] set_robust_list(0x555592850660, 24./strace-static-x86_64: Process 5088 attached [pid 5086] chdir("./0" [pid 5087] <... set_robust_list resumed>) = 0 [pid 5088] set_robust_list(0x555592850660, 24 [pid 5081] <... clone resumed>, child_tidptr=0x555592850650) = 5087 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] chdir("./0" [pid 5084] chmod("./syzkaller.oBAQGY", 0777 [pid 5088] chdir("./0" [pid 5085] <... mkdir resumed>) = 0 [pid 5084] <... chmod resumed>) = 0 [pid 5086] <... chdir resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x555592850650) = 5088 [pid 5088] <... chdir resumed>) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] chdir("./syzkaller.oBAQGY" [pid 5088] <... prctl resumed>) = 0 [pid 5084] <... chdir resumed>) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5084] mkdir("./0", 0777 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... chdir resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... prctl resumed>) = 0 [pid 5085] chmod("./syzkaller.3dQHDh", 0777 [pid 5084] <... mkdir resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5086] setpgid(0, 0 [pid 5088] <... openat resumed>) = 3 [pid 5087] setpgid(0, 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] <... chmod resumed>) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5088] write(3, "1000", 4 [pid 5087] <... setpgid resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] chdir("./syzkaller.3dQHDh" [pid 5088] <... write resumed>) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5089] set_robust_list(0x555592850660, 24 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] <... openat resumed>) = 3 [pid 5085] <... chdir resumed>) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5085] mkdir("./0", 0777 [pid 5084] <... clone resumed>, child_tidptr=0x555592850650) = 5089 [pid 5089] chdir("./0" [pid 5086] write(3, "1000", 4 [pid 5089] <... chdir resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5086] <... write resumed>) = 4 [pid 5085] <... mkdir resumed>) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] write(3, "1000", 4 [pid 5086] close(3 [pid 5089] <... prctl resumed>) = 0 [pid 5087] <... write resumed>) = 4 [pid 5086] <... close resumed>) = 0 [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] setpgid(0, 0 [pid 5087] close(3 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5088] <... openat resumed>) = 3 [pid 5088] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5087] <... close resumed>) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 5086] <... symlink resumed>) = 0 [pid 5089] <... setpgid resumed>) = 0 [pid 5087] <... symlink resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... ioctl resumed>) = 0 [pid 5088] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0 [pid 5088] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5086] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5088] <... ioctl resumed>) = 0 [pid 5089] <... openat resumed>) = 3 [pid 5087] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5090 attached [pid 5089] write(3, "1000", 4 [pid 5088] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5087] <... openat resumed>) = 3 [pid 5086] <... openat resumed>) = 3 [pid 5089] <... write resumed>) = 4 [pid 5087] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] close(3 [pid 5090] set_robust_list(0x555592850660, 24 [pid 5089] <... close resumed>) = 0 [pid 5088] <... openat resumed>) = 4 [pid 5087] <... ioctl resumed>) = 0 [pid 5086] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5085] <... clone resumed>, child_tidptr=0x555592850650) = 5090 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] symlink("/dev/binderfs", "./binderfs" [pid 5088] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5087] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5090] chdir("./0" [pid 5088] <... ioctl resumed>) = 0 [pid 5086] <... ioctl resumed>) = 0 [pid 5090] <... chdir resumed>) = 0 [pid 5088] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... symlink resumed>) = 0 [pid 5088] <... ioctl resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5086] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5090] <... prctl resumed>) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5088] exit_group(0 [pid 5087] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5086] <... ioctl resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... exit_group resumed>) = ? [pid 5087] <... ioctl resumed>) = 0 [pid 5086] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5087] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5086] <... ioctl resumed>) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... openat resumed>) = 3 [pid 5088] +++ exited with 0 +++ [pid 5087] <... openat resumed>) = 4 [pid 5086] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5090] write(3, "1000", 4 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] <... write resumed>) = 4 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5087] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5090] close(3 [pid 5086] <... openat resumed>) = 4 [pid 5090] <... close resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5087] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5086] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5086] <... ioctl resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5087] <... ioctl resumed>) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... ioctl resumed>) = 0 [pid 5086] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5087] exit_group(0 [pid 5086] <... ioctl resumed>) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5087] <... exit_group resumed>) = ? [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5089] <... ioctl resumed>) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5090] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5087] +++ exited with 0 +++ [pid 5086] exit_group(0 [pid 5083] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5090] <... openat resumed>) = 4 [pid 5089] <... openat resumed>) = 4 [pid 5086] <... exit_group resumed>) = ? [pid 5083] <... openat resumed>) = 3 [pid 5083] newfstatat(3, "", [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5086] +++ exited with 0 +++ [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5090] <... ioctl resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5083] getdents64(3, [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] <... restart_syscall resumed>) = 0 [pid 5090] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5090] exit_group(0 [pid 5089] exit_group(0 [pid 5083] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] <... exit_group resumed>) = ? [pid 5090] +++ exited with 0 +++ [pid 5089] <... exit_group resumed>) = ? [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5089] +++ exited with 0 +++ [pid 5083] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5082] newfstatat(3, "", [pid 5081] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5085] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5083] unlink("./0/binderfs" [pid 5082] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... unlink resumed>) = 0 [pid 5081] newfstatat(3, "", [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] getdents64(3, [pid 5081] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5085] <... openat resumed>) = 3 [pid 5084] <... openat resumed>) = 3 [pid 5083] getdents64(3, [pid 5082] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5081] getdents64(3, [pid 5082] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] newfstatat(3, "", [pid 5084] newfstatat(3, "", [pid 5083] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5085] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5084] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5083] close(3 [pid 5082] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5085] getdents64(3, [pid 5084] getdents64(3, [pid 5083] <... close resumed>) = 0 [pid 5082] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5081] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5084] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5083] rmdir("./0" [pid 5082] unlink("./0/binderfs" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5081] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5085] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5084] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5083] mkdir("./1", 0777 [pid 5082] getdents64(3, [pid 5081] unlink("./0/binderfs" [pid 5085] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5084] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5085] unlink("./0/binderfs" [pid 5081] <... unlink resumed>) = 0 [pid 5085] <... unlink resumed>) = 0 [pid 5084] unlink("./0/binderfs" [pid 5082] close(3 [pid 5084] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] rmdir("./0" [pid 5081] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5091 attached [pid 5085] getdents64(3, [pid 5084] getdents64(3, [pid 5082] <... rmdir resumed>) = 0 [pid 5081] close(3 [pid 5085] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5084] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5081] <... close resumed>) = 0 [pid 5085] close(3 [pid 5084] close(3 [pid 5085] <... close resumed>) = 0 [pid 5091] set_robust_list(0x555592850660, 24 [pid 5085] rmdir("./0" [pid 5084] <... close resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x555592850650) = 5091 [pid 5082] mkdir("./1", 0777 [pid 5081] rmdir("./0" [pid 5091] <... set_robust_list resumed>) = 0 [pid 5085] <... rmdir resumed>) = 0 [pid 5084] rmdir("./0" [pid 5082] <... mkdir resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5091] chdir("./1" [pid 5085] mkdir("./1", 0777 [pid 5091] <... chdir resumed>) = 0 [pid 5085] <... mkdir resumed>) = 0 [pid 5084] <... rmdir resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] mkdir("./1", 0777 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x555592850660, 24./strace-static-x86_64: Process 5092 attached ) = 0 [pid 5093] chdir("./1") = 0 [pid 5092] set_robust_list(0x555592850660, 24 [pid 5091] <... prctl resumed>) = 0 [pid 5085] <... clone resumed>, child_tidptr=0x555592850650) = 5092 [pid 5084] mkdir("./1", 0777 [pid 5082] <... clone resumed>, child_tidptr=0x555592850650) = 5093 [pid 5081] <... mkdir resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] <... set_robust_list resumed>) = 0 [pid 5092] chdir("./1" [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] <... prctl resumed>) = 0 [pid 5091] setpgid(0, 0 [pid 5092] <... chdir resumed>) = 0 [pid 5084] <... mkdir resumed>) = 0 [pid 5093] setpgid(0, 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... setpgid resumed>) = 0 [pid 5093] <... setpgid resumed>) = 0 [pid 5092] <... prctl resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5094 attached [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] setpgid(0, 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] set_robust_list(0x555592850660, 24 [pid 5081] <... clone resumed>, child_tidptr=0x555592850650) = 5094 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5092] <... setpgid resumed>) = 0 [pid 5091] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5095 attached [pid 5094] chdir("./1" [pid 5093] write(3, "1000", 4 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] write(3, "1000", 4 [pid 5093] <... write resumed>) = 4 [pid 5095] set_robust_list(0x555592850660, 24 [pid 5094] <... chdir resumed>) = 0 [pid 5093] close(3 [pid 5091] <... write resumed>) = 4 [pid 5084] <... clone resumed>, child_tidptr=0x555592850650) = 5095 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] <... close resumed>) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5091] close(3 [pid 5095] chdir("./1" [pid 5094] <... prctl resumed>) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs" [pid 5092] write(3, "1000", 4 [pid 5091] <... close resumed>) = 0 [pid 5095] <... chdir resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 5092] <... write resumed>) = 4 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(3 [pid 5095] <... prctl resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5092] <... close resumed>) = 0 [pid 5091] <... symlink resumed>) = 0 [pid 5095] setpgid(0, 0 [pid 5093] <... openat resumed>) = 3 [pid 5091] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] <... setpgid resumed>) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5092] symlink("/dev/binderfs", "./binderfs" [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5091] <... openat resumed>) = 3 [pid 5092] <... symlink resumed>) = 0 [pid 5095] <... openat resumed>) = 3 [pid 5094] write(3, "1000", 4 [pid 5093] <... ioctl resumed>) = 0 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5092] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] write(3, "1000", 4 [pid 5094] <... write resumed>) = 4 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5092] <... openat resumed>) = 3 [pid 5095] <... write resumed>) = 4 [pid 5095] close(3 [pid 5094] close(3 [pid 5093] <... ioctl resumed>) = 0 [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5095] <... close resumed>) = 0 [pid 5094] <... close resumed>) = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5091] <... ioctl resumed>) = 0 [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... symlink resumed>) = 0 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5095] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5093] <... ioctl resumed>) = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5095] <... openat resumed>) = 3 [pid 5094] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5095] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5094] <... openat resumed>) = 3 [pid 5091] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] <... ioctl resumed>) = 0 [pid 5093] <... openat resumed>) = 4 [pid 5092] <... ioctl resumed>) = 0 [pid 5095] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5092] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5091] <... openat resumed>) = 4 [pid 5095] <... ioctl resumed>) = 0 [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5095] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5092] <... openat resumed>) = 4 [pid 5091] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5095] <... ioctl resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5091] <... ioctl resumed>) = 0 [pid 5095] <... openat resumed>) = 4 [pid 5094] <... ioctl resumed>) = 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5092] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5095] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5091] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5095] <... ioctl resumed>) = 0 [pid 5092] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5094] <... ioctl resumed>) = 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5095] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5093] exit_group(0 [pid 5091] exit_group(0 [pid 5095] exit_group(0 [pid 5094] <... ioctl resumed>) = 0 [pid 5092] exit_group(0 [pid 5095] <... exit_group resumed>) = ? [pid 5094] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5093] <... exit_group resumed>) = ? [pid 5092] <... exit_group resumed>) = ? [pid 5091] <... exit_group resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5094] <... openat resumed>) = 4 [pid 5092] +++ exited with 0 +++ [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5094] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5094] <... ioctl resumed>) = 0 [pid 5093] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5094] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5084] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5094] <... ioctl resumed>) = 0 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5094] exit_group(0) = ? [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... restart_syscall resumed>) = 0 [pid 5084] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5094] +++ exited with 0 +++ [pid 5085] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] <... openat resumed>) = 3 [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] newfstatat(3, "", [pid 5083] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... openat resumed>) = 3 [pid 5085] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] getdents64(3, [pid 5083] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] <... openat resumed>) = 3 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5085] newfstatat(3, "", [pid 5081] <... restart_syscall resumed>) = 0 [pid 5085] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5084] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5083] <... openat resumed>) = 3 [pid 5082] newfstatat(3, "", [pid 5085] getdents64(3, [pid 5084] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] newfstatat(3, "", [pid 5082] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5085] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5081] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5082] getdents64(3, [pid 5085] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5085] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5081] <... openat resumed>) = 3 [pid 5085] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5081] newfstatat(3, "", [pid 5085] unlink("./1/binderfs" [pid 5081] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5085] <... unlink resumed>) = 0 [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5081] getdents64(3, [pid 5084] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5083] getdents64(3, [pid 5082] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5081] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5085] getdents64(3, [pid 5084] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5084] unlink("./1/binderfs" [pid 5083] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] close(3 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5081] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5085] <... close resumed>) = 0 [pid 5083] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5082] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5081] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5085] rmdir("./1" [pid 5084] <... unlink resumed>) = 0 [pid 5083] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5082] unlink("./1/binderfs" [pid 5081] unlink("./1/binderfs" [pid 5085] <... rmdir resumed>) = 0 [pid 5083] unlink("./1/binderfs" [pid 5084] getdents64(3, [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5084] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5085] mkdir("./2", 0777 [pid 5084] close(3 [pid 5083] <... unlink resumed>) = 0 [pid 5082] getdents64(3, [pid 5085] <... mkdir resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5083] getdents64(3, [pid 5081] getdents64(3, [pid 5082] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5083] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5084] rmdir("./1" [pid 5083] close(3 [pid 5082] close(3 [pid 5084] <... rmdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5083] rmdir("./1" [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] close(3 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] rmdir("./1" [pid 5081] <... close resumed>) = 0 ./strace-static-x86_64: Process 5096 attached [pid 5084] mkdir("./2", 0777) = 0 [pid 5081] rmdir("./1" [pid 5082] <... rmdir resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5096] set_robust_list(0x555592850660, 24 [pid 5085] <... clone resumed>, child_tidptr=0x555592850650) = 5096 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] mkdir("./2", 0777 [pid 5082] mkdir("./2", 0777 [pid 5081] mkdir("./2", 0777./strace-static-x86_64: Process 5097 attached [pid 5096] <... set_robust_list resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 5097] set_robust_list(0x555592850660, 24 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] chdir("./2" [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... chdir resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] chdir("./2" [pid 5096] <... prctl resumed>) = 0 [pid 5084] <... clone resumed>, child_tidptr=0x555592850650) = 5097 ./strace-static-x86_64: Process 5099 attached ./strace-static-x86_64: Process 5098 attached [pid 5099] set_robust_list(0x555592850660, 24 [pid 5098] set_robust_list(0x555592850660, 24 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x555592850650) = 5098 [pid 5099] chdir("./2" [pid 5097] <... chdir resumed>) = 0 [pid 5096] setpgid(0, 0./strace-static-x86_64: Process 5100 attached [pid 5099] <... chdir resumed>) = 0 [pid 5098] chdir("./2" [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... setpgid resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x555592850650) = 5099 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... chdir resumed>) = 0 [pid 5099] <... prctl resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] setpgid(0, 0 [pid 5098] <... prctl resumed>) = 0 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] setpgid(0, 0 [pid 5100] set_robust_list(0x555592850660, 24 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5098] <... setpgid resumed>) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] setpgid(0, 0 [pid 5096] write(3, "1000", 4 [pid 5081] <... clone resumed>, child_tidptr=0x555592850650) = 5100 [pid 5100] chdir("./2" [pid 5099] write(3, "1000", 4 [pid 5098] <... openat resumed>) = 3 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... write resumed>) = 4 [pid 5099] <... write resumed>) = 4 [pid 5099] close(3 [pid 5098] write(3, "1000", 4 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] close(3 [pid 5100] <... chdir resumed>) = 0 [pid 5099] <... close resumed>) = 0 [pid 5098] <... write resumed>) = 4 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] symlink("/dev/binderfs", "./binderfs" [pid 5098] close(3 [pid 5096] <... close resumed>) = 0 [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... symlink resumed>) = 0 [pid 5098] <... close resumed>) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5100] setpgid(0, 0 [pid 5097] write(3, "1000", 4 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 5096] <... symlink resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] <... symlink resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5097] close(3 [pid 5100] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] <... close resumed>) = 0 [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5098] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs" [pid 5099] <... ioctl resumed>) = 0 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5096] <... openat resumed>) = 3 [pid 5100] write(3, "1000", 4 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... symlink resumed>) = 0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5100] <... write resumed>) = 4 [pid 5099] <... openat resumed>) = 4 [pid 5099] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] close(3 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5100] <... close resumed>) = 0 [pid 5099] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5100] symlink("/dev/binderfs", "./binderfs" [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... openat resumed>) = 4 [pid 5100] <... symlink resumed>) = 0 [pid 5099] exit_group(0 [pid 5097] <... openat resumed>) = 3 [pid 5096] <... ioctl resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5099] <... exit_group resumed>) = ? [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5100] <... openat resumed>) = 3 [pid 5099] +++ exited with 0 +++ [pid 5098] <... ioctl resumed>) = 0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5096] <... ioctl resumed>) = 0 [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... ioctl resumed>) = 0 [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... ioctl resumed>) = 0 [pid 5098] exit_group(0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5096] <... openat resumed>) = 4 [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5098] <... exit_group resumed>) = ? [pid 5100] <... ioctl resumed>) = 0 [pid 5098] +++ exited with 0 +++ [pid 5097] <... ioctl resumed>) = 0 [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... ioctl resumed>) = 0 [pid 5100] <... openat resumed>) = 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... ioctl resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5082] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5100] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5097] <... openat resumed>) = 4 [pid 5083] <... openat resumed>) = 3 [pid 5082] <... openat resumed>) = 3 [pid 5100] <... ioctl resumed>) = 0 [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5083] newfstatat(3, "", [pid 5100] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5097] <... ioctl resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5082] newfstatat(3, "", [pid 5100] <... ioctl resumed>) = 0 [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] exit_group(0 [pid 5097] <... ioctl resumed>) = 0 [pid 5096] exit_group(0 [pid 5082] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5100] <... exit_group resumed>) = ? [pid 5097] exit_group(0 [pid 5096] <... exit_group resumed>) = ? [pid 5082] getdents64(3, [pid 5097] <... exit_group resumed>) = ? [pid 5083] getdents64(3, [pid 5082] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5082] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5082] unlink("./2/binderfs") = 0 [pid 5082] getdents64(3, 0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./2" [pid 5083] <... getdents64 resumed>0x5555928516f0 /* 3 entries */, 32768) = 80 [pid 5082] <... rmdir resumed>) = 0 [pid 5083] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5082] mkdir("./3", 0777 [pid 5083] unlink("./2/binderfs" [pid 5082] <... mkdir resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] getdents64(3, 0x5555928516f0 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./2") = 0 [ 76.787478][ T8] cfg80211: failed to load regulatory.db [ 120.285020][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2690 jiffies s: 373 root: 0x2/. [ 120.298448][ T18] rcu: blocking rcu_node structures (internal RCU debug): [ 120.305879][ T18] Sending NMI from CPU 0 to CPUs 1: [ 120.311104][ C1] NMI backtrace for cpu 1 [ 120.311116][ C1] CPU: 1 PID: 5096 Comm: syz-executor190 Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0 [ 120.311133][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 120.311143][ C1] RIP: 0010:mark_lock+0x6c/0x350 [ 120.311181][ C1] Code: 40 0f 94 c5 83 f5 09 eb 0b 89 d5 83 fa 20 0f 83 d9 02 00 00 41 be 01 00 00 00 89 e9 41 d3 e6 49 8d 5f 20 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 30 02 00 00 8b 1b 81 e3 ff 1f 00 00 48 [ 120.311193][ C1] RSP: 0018:ffffc90000a08a48 EFLAGS: 00000802 [ 120.311208][ C1] RAX: 1ffff1100f6c5529 RBX: ffff88807b62a948 RCX: 0000000000000008 [ 120.311220][ C1] RDX: 0000000000000008 RSI: ffff88807b62a928 RDI: ffff88807b629e00 [ 120.311231][ C1] RBP: 0000000000000008 R08: ffffffff92f355cf R09: 1ffffffff25e6ab9 [ 120.311242][ C1] R10: dffffc0000000000 R11: fffffbfff25e6aba R12: 0000000000000001 [ 120.311253][ C1] R13: dffffc0000000000 R14: 0000000000000100 R15: ffff88807b62a928 [ 120.311265][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 120.311278][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.311289][ C1] CR2: 00005555928596f8 CR3: 000000000e134000 CR4: 00000000003506f0 [ 120.311304][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 120.311313][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 120.311323][ C1] Call Trace: [ 120.311330][ C1] [ 120.311337][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 120.311359][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 120.311377][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 120.311400][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 120.311420][ C1] ? nmi_handle+0x14f/0x5a0 [ 120.311436][ C1] ? nmi_handle+0x2a/0x5a0 [ 120.311453][ C1] ? mark_lock+0x6c/0x350 [ 120.311469][ C1] ? default_do_nmi+0x63/0x160 [ 120.311486][ C1] ? exc_nmi+0x123/0x1f0 [ 120.311501][ C1] ? end_repeat_nmi+0xf/0x53 [ 120.311524][ C1] ? mark_lock+0x6c/0x350 [ 120.311541][ C1] ? mark_lock+0x6c/0x350 [ 120.311559][ C1] ? mark_lock+0x6c/0x350 [ 120.311576][ C1] [ 120.311581][ C1] [ 120.311589][ C1] __lock_acquire+0xc0a/0x1fd0 [ 120.311612][ C1] lock_acquire+0x1ed/0x550 [ 120.311628][ C1] ? snd_hrtimer_callback+0x54/0x370 [ 120.311650][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 120.311666][ C1] ? __pfx_lock_release+0x10/0x10 [ 120.311685][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 120.311717][ C1] _raw_spin_lock+0x2e/0x40 [ 120.311738][ C1] ? snd_hrtimer_callback+0x54/0x370 [ 120.311753][ C1] snd_hrtimer_callback+0x54/0x370 [ 120.311770][ C1] ? __pfx_snd_hrtimer_callback+0x10/0x10 [ 120.311786][ C1] __hrtimer_run_queues+0x5a5/0xd50 [ 120.311816][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 120.311837][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 120.311857][ C1] hrtimer_interrupt+0x396/0x990 [ 120.311887][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 120.311914][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 120.311934][ C1] [ 120.311939][ C1] [ 120.311945][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 120.311964][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 120.311987][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 0e a3 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 c3 ab da f5 65 8b 05 34 d8 78 74 85 c0 74 43 48 c7 04 24 0e 36 [ 120.312000][ C1] RSP: 0018:ffffc9000344f940 EFLAGS: 00000206 [ 120.312013][ C1] RAX: 0c4b427763356e00 RBX: 1ffff92000689f2c RCX: ffffffff8172edda [ 120.312024][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 120.312035][ C1] RBP: ffffc9000344f9d0 R08: ffffffff92f35587 R09: 1ffffffff25e6ab0 [ 120.312048][ C1] R10: dffffc0000000000 R11: fffffbfff25e6ab1 R12: dffffc0000000000 [ 120.312059][ C1] R13: 1ffff92000689f28 R14: ffffc9000344f960 R15: 0000000000000246 [ 120.312074][ C1] ? mark_lock+0x9a/0x350 [ 120.312094][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 120.312121][ C1] snd_timer_stop1+0x7e6/0x950 [ 120.312149][ C1] snd_timer_close_locked+0x223/0x8d0 [ 120.312171][ C1] ? __fsnotify_parent+0x20c/0x5e0 [ 120.312191][ C1] snd_timer_user_release+0x138/0x2e0 [ 120.312216][ C1] ? __pfx_snd_timer_user_release+0x10/0x10 [ 120.312240][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 120.312257][ C1] ? evm_file_release+0x140/0x1d0 [ 120.312275][ C1] ? __pfx_snd_timer_user_release+0x10/0x10 [ 120.312299][ C1] __fput+0x429/0x8a0 [ 120.312323][ C1] task_work_run+0x24f/0x310 [ 120.312347][ C1] ? __pfx_task_work_run+0x10/0x10 [ 120.312370][ C1] ? switch_task_namespaces+0xe1/0x110 [ 120.312387][ C1] do_exit+0xa1b/0x27e0 [ 120.312412][ C1] ? __pfx_do_exit+0x10/0x10 [ 120.312432][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 120.312450][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 120.312468][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 120.312489][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 120.312510][ C1] do_group_exit+0x207/0x2c0 [ 120.312533][ C1] __x64_sys_exit_group+0x3f/0x40 [ 120.312554][ C1] do_syscall_64+0xf5/0x240 [ 120.312575][ C1] ? clear_bhb_loop+0x35/0x90 [ 120.312594][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.312612][ C1] RIP: 0033:0x7f73853a3339 [ 120.312624][ C1] Code: Unable to access opcode bytes at 0x7f73853a330f. [ 120.312632][ C1] RSP: 002b:00007fff11085dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 120.312647][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73853a3339 [ 120.312658][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 120.312668][ C1] RBP: 00007f738541e370 R08: ffffffffffffffb8 R09: 0000000000000004 [ 120.312679][ C1] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f738541e370 [ 120.312693][ C1] R13: 0000000000000000 R14: 00007f738541ede0 R15: 00007f7385374280 [ 120.312711][ C1] [ 120.312718][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.613 msecs