./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2179991909 <...> 6 entries */, 32768) = 176 [pid 4857] <... symlink resumed>) = 0 [pid 4856] close(3 [pid 4855] close(15 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4856] <... close resumed>) = 0 [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(21 [pid 4853] close(26 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] <... openat resumed>) = 3 [pid 4856] symlink("/dev/binderfs", "./binderfs" [pid 4855] close(16 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./196/binderfs", [pid 4857] write(3, "1000", 4 [pid 4856] <... symlink resumed>) = 0 [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(22 [pid 4853] close(27 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4857] <... write resumed>) = 4 [pid 4856] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4855] close(17 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./196/binderfs" [pid 4857] close(3 [pid 4856] <... socket resumed>) = 3 [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(23 [pid 4853] close(28 [pid 4857] <... close resumed>) = 0 [pid 4856] close(3 [pid 4855] close(18 [pid 3485] <... unlink resumed>) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4857] symlink("/dev/binderfs", "./binderfs" [pid 4856] <... close resumed>) = 0 [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(24 [pid 4853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4857] <... symlink resumed>) = 0 [pid 4856] close(4 [pid 4855] close(19 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] close(29 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(25 [pid 4853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./196/cgroup", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4857] <... socket resumed>) = 3 [pid 4856] close(5 [pid 4855] close(20 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4857] close(3 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(26 [pid 4853] <... write resumed>) = 335 [pid 3485] unlink("./196/cgroup" [pid 4857] <... close resumed>) = 0 [pid 4856] close(6 [pid 4855] close(21 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] exit_group(0 [pid 4857] close(4 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(27 [pid 4853] <... exit_group resumed>) = ? [pid 3485] <... unlink resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(7 [pid 4855] close(22 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4857] close(5 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] +++ exited with 0 +++ [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4854] close(28 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(8 [pid 4857] close(6 [pid 4855] close(23 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] close(29 [pid 3485] lstat("./196/cgroup.net", [pid 4857] close(7 [pid 4856] close(9 [pid 4855] close(24 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4854] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] unlink("./196/cgroup.net" [pid 4857] close(8 [pid 4856] close(10 [pid 4855] close(25 [pid 4854] <... write resumed>) = 335 [pid 3485] <... unlink resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] exit_group(0 [pid 3485] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4857] close(9 [pid 4855] close(26 [pid 4854] <... exit_group resumed>) = ? [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4854] +++ exited with 0 +++ [pid 3485] lstat("./196/cgroup.cpu", [pid 4857] close(10 [pid 4856] close(11 [pid 4855] close(27 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] unlink("./196/cgroup.cpu" [pid 3481] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4857] close(11 [pid 4856] close(12 [pid 4855] close(28 [pid 3486] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 4857] close(12 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] close(29 [pid 3486] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(13 [pid 4855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] close(3 [pid 4857] close(13 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] fstat(3, [pid 3485] <... close resumed>) = 0 [pid 3481] <... openat resumed>) = 3 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(14 [pid 4855] <... write resumed>) = 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] rmdir("./196" [pid 3481] fstat(3, [pid 4857] close(14 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] exit_group(0 [pid 3486] getdents64(3, [pid 3485] <... rmdir resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(15 [pid 4855] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] mkdir("./197", 0777 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4857] close(15 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4855] +++ exited with 0 +++ [pid 3486] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] getdents64(3, [pid 4856] close(16 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(17 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... mkdir resumed>) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] close(16 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./199/binderfs", [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] lstat("./180/binderfs", ./strace-static-x86_64: Process 4858 attached [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(18 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4858] set_robust_list(0x5555564df6e0, 24 [pid 4857] close(17 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./199/binderfs" [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 200 [pid 3481] unlink("./180/binderfs" [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(19 [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4858] <... set_robust_list resumed>) = 0 [pid 4857] close(18 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./180/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] chdir("./197" [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(20 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] <... chdir resumed>) = 0 [pid 4857] close(19 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] lstat("./180/cgroup", [pid 4856] close(21 [pid 3486] lstat("./199/cgroup", [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... openat resumed>) = 3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4857] close(20 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] fstat(3, [pid 3481] unlink("./180/cgroup" [pid 4858] <... prctl resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(22 [pid 3486] unlink("./199/cgroup" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4858] setpgid(0, 0 [pid 4857] close(21 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3481] <... unlink resumed>) = 0 [pid 4858] <... setpgid resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4858] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4857] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] <... symlink resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(23 [pid 3486] lstat("./199/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./180/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4857] close(23 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./188/binderfs", [pid 4858] <... symlink resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(24 [pid 3486] unlink("./199/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4857] close(24 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./188/binderfs" [pid 4858] <... symlink resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(25 [pid 3483] <... unlink resumed>) = 0 [pid 4858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4857] close(25 [pid 3483] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] <... openat resumed>) = 3 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] write(3, "1000", 4 [pid 4857] close(26 [pid 3483] lstat("./188/cgroup", [pid 4858] <... write resumed>) = 4 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] lstat("./180/cgroup.net", [pid 4858] close(3 [pid 4857] close(27 [pid 3483] unlink("./188/cgroup" [pid 4858] <... close resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] close(26 [pid 3486] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4858] symlink("/dev/binderfs", "./binderfs" [pid 4857] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] <... symlink resumed>) = 0 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./199/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./180/cgroup.net" [pid 4858] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4857] close(29 [pid 4856] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./188/cgroup.net", [pid 4858] <... socket resumed>) = 3 [pid 4857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./199/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4858] close(3 [pid 4857] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3483] unlink("./188/cgroup.net" [pid 3481] <... unlink resumed>) = 0 [pid 4858] <... close resumed>) = 0 [pid 4857] <... write resumed>) = 335 [pid 4856] close(28 [pid 3486] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3481] umount2("./180/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] close(4 [pid 4857] exit_group(0 [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4857] <... exit_group resumed>) = ? [pid 4856] close(29 [pid 3486] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] close(5 [pid 4857] +++ exited with 0 +++ [pid 4856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3483] lstat("./188/cgroup.cpu", [pid 3481] lstat("./180/cgroup.cpu", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] rmdir("./199" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4858] close(6 [pid 4856] <... write resumed>) = 335 [pid 3481] unlink("./180/cgroup.cpu" [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4856] exit_group(0 [pid 3486] <... rmdir resumed>) = 0 [pid 3483] unlink("./188/cgroup.cpu" [pid 3481] <... unlink resumed>) = 0 [pid 4858] close(7 [pid 4856] <... exit_group resumed>) = ? [pid 3486] mkdir("./200", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] getdents64(3, [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] close(8 [pid 4856] +++ exited with 0 +++ [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4859 attached [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] close(3 [pid 3482] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4859] set_robust_list(0x5555564df6e0, 24 [pid 4858] close(9 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 3483] <... close resumed>) = 0 [pid 3481] close(3 [pid 4859] <... set_robust_list resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./188" [pid 3482] <... openat resumed>) = 3 [pid 4859] chdir("./200" [pid 4858] close(10 [pid 3484] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... rmdir resumed>) = 0 [pid 3482] fstat(3, [pid 3481] <... close resumed>) = 0 [pid 4859] <... chdir resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] mkdir("./189", 0777 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] rmdir("./180" [pid 4859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4858] close(11 [pid 3484] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... mkdir resumed>) = 0 [pid 3482] getdents64(3, [pid 3481] <... rmdir resumed>) = 0 [pid 4859] <... prctl resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] mkdir("./181", 0777 [pid 4859] setpgid(0, 0 [pid 4858] close(12 [pid 3484] <... openat resumed>) = 3 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4860 attached [pid 4859] <... setpgid resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] fstat(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... mkdir resumed>) = 0 [pid 4860] set_robust_list(0x5555564df6e0, 24 [pid 4859] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4858] close(13 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 192 [pid 3482] lstat("./182/binderfs", [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4860] <... set_robust_list resumed>) = 0 [pid 4859] <... symlink resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4861 attached [pid 4859] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4858] close(14 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4861] set_robust_list(0x5555564df6e0, 24 [pid 4860] chdir("./189" [pid 4859] <... symlink resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./182/binderfs" [pid 4861] <... set_robust_list resumed>) = 0 [pid 4860] <... chdir resumed>) = 0 [pid 4859] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4858] close(15 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 184 [pid 4861] chdir("./181" [pid 4860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4859] <... symlink resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./191/binderfs", [pid 3482] <... unlink resumed>) = 0 [pid 4861] <... chdir resumed>) = 0 [pid 4860] <... prctl resumed>) = 0 [pid 4859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4858] close(16 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4860] setpgid(0, 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4861] <... prctl resumed>) = 0 [pid 4860] <... setpgid resumed>) = 0 [pid 4859] <... openat resumed>) = 3 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./191/binderfs" [pid 3482] lstat("./182/cgroup", [pid 4861] setpgid(0, 0 [pid 4860] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4859] write(3, "1000", 4 [pid 4858] close(17 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4861] <... setpgid resumed>) = 0 [pid 4860] <... symlink resumed>) = 0 [pid 4859] <... write resumed>) = 4 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./182/cgroup" [pid 4861] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4860] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4859] close(3 [pid 4858] close(18 [pid 3484] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 4861] <... symlink resumed>) = 0 [pid 4860] <... symlink resumed>) = 0 [pid 4859] <... close resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4861] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4860] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4859] symlink("/dev/binderfs", "./binderfs" [pid 4858] close(19 [pid 3484] lstat("./191/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4861] <... symlink resumed>) = 0 [pid 4860] <... symlink resumed>) = 0 [pid 4859] <... symlink resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] lstat("./182/cgroup.net", [pid 4861] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4859] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4858] close(20 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4861] <... symlink resumed>) = 0 [pid 4860] <... openat resumed>) = 3 [pid 4859] <... socket resumed>) = 3 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./191/cgroup" [pid 3482] unlink("./182/cgroup.net" [pid 4861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4860] write(3, "1000", 4 [pid 4859] close(3 [pid 4858] close(21 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4861] <... openat resumed>) = 3 [pid 4860] <... write resumed>) = 4 [pid 4859] <... close resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4861] write(3, "1000", 4 [pid 4860] close(3 [pid 4859] close(4 [pid 4858] close(22 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4861] <... write resumed>) = 4 [pid 4860] <... close resumed>) = 0 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./191/cgroup.net", [pid 3482] lstat("./182/cgroup.cpu", [pid 4861] close(3 [pid 4860] symlink("/dev/binderfs", "./binderfs" [pid 4859] close(5 [pid 4858] close(23 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4861] <... close resumed>) = 0 [pid 4860] <... symlink resumed>) = 0 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./191/cgroup.net" [pid 4861] symlink("/dev/binderfs", "./binderfs" [pid 4860] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4859] close(6 [pid 4858] close(24 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./182/cgroup.cpu" [pid 4861] <... symlink resumed>) = 0 [pid 4860] <... socket resumed>) = 3 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4861] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4859] close(7 [pid 4858] close(25 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 4860] close(3 [pid 4861] <... socket resumed>) = 3 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./191/cgroup.cpu", [pid 3482] getdents64(3, [pid 4861] close(3 [pid 4860] <... close resumed>) = 0 [pid 4859] close(8 [pid 4858] close(26 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4861] <... close resumed>) = 0 [pid 4860] close(4 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./191/cgroup.cpu" [pid 3482] close(3 [pid 4861] close(4 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(9 [pid 4858] close(27 [pid 3484] <... unlink resumed>) = 0 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(5 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3482] <... close resumed>) = 0 [pid 4861] close(5 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(10 [pid 4858] close(28 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] rmdir("./182" [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(6 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 4859] close(11 [pid 4858] close(29 [pid 3484] <... close resumed>) = 0 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./191" write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4861] close(6 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(12 [pid 4858] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(7 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... write resumed>) = 335 [pid 3484] mkdir("./192", 0777 [pid 3482] mkdir("./183", 0777 [pid 4861] close(7 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(13 [pid 4858] exit_group(0 [pid 3484] <... mkdir resumed>) = 0 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... exit_group resumed>) = ? [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4862 attached [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(8 [pid 4859] close(14 [pid 4858] +++ exited with 0 +++ [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4862] set_robust_list(0x5555564df6e0, 24 [pid 4861] close(8 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 195 [pid 4862] <... set_robust_list resumed>) = 0 [pid 4859] close(15 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4862] chdir("./192" [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(9 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4863 attached [pid 4862] <... chdir resumed>) = 0 [pid 4861] close(9 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(16 [pid 4863] set_robust_list(0x5555564df6e0, 24 [pid 4862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(10 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 186 [pid 4863] <... set_robust_list resumed>) = 0 [pid 4862] <... prctl resumed>) = 0 [pid 4859] close(17 [pid 3485] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4861] close(10 [pid 4863] chdir("./183" [pid 4862] setpgid(0, 0 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] <... setpgid resumed>) = 0 [pid 4859] close(18 [pid 4863] <... chdir resumed>) = 0 [pid 4862] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(11 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4862] <... symlink resumed>) = 0 [pid 4861] close(11 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(19 [pid 3485] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4863] <... prctl resumed>) = 0 [pid 4862] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(12 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4863] setpgid(0, 0 [pid 4862] <... symlink resumed>) = 0 [pid 4861] close(12 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(20 [pid 3485] <... openat resumed>) = 3 [pid 4862] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4860] close(13 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4863] <... setpgid resumed>) = 0 [pid 4862] <... symlink resumed>) = 0 [pid 4861] close(13 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(21 [pid 3485] fstat(3, [pid 4863] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(14 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4863] <... symlink resumed>) = 0 [pid 4862] <... openat resumed>) = 3 [pid 4861] close(14 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(22 [pid 4862] write(3, "1000", 4 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(15 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 4863] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4862] <... write resumed>) = 4 [pid 4859] close(23 [pid 4862] close(3 [pid 4861] close(15 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4862] <... close resumed>) = 0 [pid 4859] close(24 [pid 4863] <... symlink resumed>) = 0 [pid 4862] symlink("/dev/binderfs", "./binderfs" [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(16 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4862] <... symlink resumed>) = 0 [pid 4861] close(16 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(25 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] <... symlink resumed>) = 0 [pid 4862] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(17 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./197/binderfs", [pid 4863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4862] <... socket resumed>) = 3 [pid 4861] close(17 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(26 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4863] <... openat resumed>) = 3 [pid 4862] close(3 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(18 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./197/binderfs" [pid 4863] write(3, "1000", 4 [pid 4862] <... close resumed>) = 0 [pid 4861] close(18 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] close(27 [pid 4863] <... write resumed>) = 4 [pid 4862] close(4 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4863] close(3 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(19 [pid 4859] close(28 [pid 3485] <... unlink resumed>) = 0 [pid 4863] <... close resumed>) = 0 [pid 4862] close(5 [pid 4861] close(19 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] symlink("/dev/binderfs", "./binderfs" [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(20 [pid 4859] close(29 [pid 4863] <... symlink resumed>) = 0 [pid 4862] close(6 [pid 4859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITEwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(20 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] lstat("./197/cgroup", [pid 4863] <... socket resumed>) = 3 [pid 4862] close(7 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(21 [pid 4859] <... write resumed>) = 335 [pid 4863] close(3 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(21 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] exit_group(0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4863] <... close resumed>) = 0 [pid 4862] close(8 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(22 [pid 4859] <... exit_group resumed>) = ? [pid 4863] close(4 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(22 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4859] +++ exited with 0 +++ [pid 3485] unlink("./197/cgroup" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(9 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(23 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4863] close(5 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(23 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(10 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(24 [pid 4863] close(6 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(24 [pid 3485] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(11 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4863] close(7 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(25 [pid 4860] close(25 [pid 3486] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(12 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4863] close(8 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(26 [pid 3486] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] lstat("./197/cgroup.net", [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(13 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(26 [pid 3486] <... openat resumed>) = 3 [pid 4863] close(9 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(27 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(14 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(27 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4863] close(10 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(28 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] unlink("./197/cgroup.net" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(15 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] close(28 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4863] close(11 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(29 [pid 3486] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(16 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] close(12write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4860] close(29 [pid 3486] lstat("./200/binderfs", [pid 3485] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(17 [pid 4861] <... write resumed>) = 335 [pid 4860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4863] close(13 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] exit_group(0 [pid 3486] unlink("./200/binderfs" [pid 4860] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(18 [pid 4861] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4860] <... write resumed>) = 335 [pid 4863] close(14 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] +++ exited with 0 +++ [pid 3486] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./197/cgroup.cpu", [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(19 [pid 4860] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] close(15 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] <... exit_group resumed>) = ? [pid 3486] lstat("./200/cgroup", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4863] close(16 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./200/cgroup" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(21 [pid 4860] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./197/cgroup.cpu" [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4863] close(17 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... restart_syscall resumed>) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 4863] close(18 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./200/cgroup.net", [pid 3485] getdents64(3, [pid 3483] <... restart_syscall resumed>) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(23 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] close(19 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./200/cgroup.net" [pid 3485] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3483] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4863] close(20 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./197" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... openat resumed>) = 3 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] fstat(3, [pid 4863] close(21 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./200/cgroup.cpu", [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] mkdir("./198", 0777 [pid 3483] fstat(3, [pid 3481] getdents64(3, [pid 4863] close(22 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./200/cgroup.cpu" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3481] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4863] close(23 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(28 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./181/binderfs", ./strace-static-x86_64: Process 4864 attached [pid 4863] close(24 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4864] set_robust_list(0x5555564df6e0, 24 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(29 [pid 3486] <... close resumed>) = 0 [pid 3483] lstat("./189/binderfs", [pid 3481] unlink("./181/binderfs" [pid 4864] <... set_robust_list resumed>) = 0 [pid 4863] close(25 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./200"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 201 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4864] chdir("./198" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... rmdir resumed>) = 0 [pid 3483] unlink("./189/binderfs" [pid 3481] umount2("./181/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4864] <... chdir resumed>) = 0 [pid 4863] close(26 [pid 4862] <... write resumed>) = 335 [pid 3486] mkdir("./201", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] exit_group(0 [pid 3486] <... mkdir resumed>) = 0 [pid 3483] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./181/cgroup", [pid 4864] <... prctl resumed>) = 0 [pid 4863] close(27 [pid 4862] <... exit_group resumed>) = ? [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4865 attached [pid 4864] setpgid(0, 0 [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] +++ exited with 0 +++ [pid 3483] lstat("./189/cgroup", [pid 3481] unlink("./181/cgroup" [pid 4865] set_robust_list(0x5555564df6e0, 24 [pid 4864] <... setpgid resumed>) = 0 [pid 4863] close(28 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4865] <... set_robust_list resumed>) = 0 [pid 4864] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] unlink("./189/cgroup" [pid 3481] umount2("./181/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4865] chdir("./201" [pid 4864] <... symlink resumed>) = 0 [pid 4863] close(29 [pid 3484] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4865] <... chdir resumed>) = 0 [pid 4864] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./181/cgroup.net", [pid 4865] prctl(PR_SET_PDEATHSIG, SIGKILLwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4864] <... symlink resumed>) = 0 [pid 4863] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3484] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4865] <... prctl resumed>) = 0 [pid 4864] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4863] <... write resumed>) = 335 [pid 3484] <... openat resumed>) = 3 [pid 3483] lstat("./189/cgroup.net", [pid 3481] unlink("./181/cgroup.net" [pid 4865] setpgid(0, 0 [pid 4864] <... symlink resumed>) = 0 [pid 4863] exit_group(0 [pid 3484] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4865] <... setpgid resumed>) = 0 [pid 4864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4863] <... exit_group resumed>) = ? [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./189/cgroup.net" [pid 3481] umount2("./181/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4865] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4864] <... openat resumed>) = 3 [pid 4863] +++ exited with 0 +++ [pid 4865] <... symlink resumed>) = 0 [pid 4864] write(3, "1000", 4 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4865] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4864] <... write resumed>) = 4 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./181/cgroup.cpu", [pid 4865] <... symlink resumed>) = 0 [pid 4864] close(3 [pid 3484] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4865] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4864] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./189/cgroup.cpu", [pid 3482] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./181/cgroup.cpu" [pid 4865] <... symlink resumed>) = 0 [pid 4864] symlink("/dev/binderfs", "./binderfs" [pid 3484] lstat("./192/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4864] <... symlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./189/cgroup.cpu" [pid 3482] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] getdents64(3, [pid 4865] <... openat resumed>) = 3 [pid 4864] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3484] unlink("./192/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4865] write(3, "1000", 4 [pid 4864] <... socket resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] fstat(3, [pid 3481] close(3 [pid 4865] <... write resumed>) = 4 [pid 4864] close(3 [pid 3484] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... close resumed>) = 0 [pid 4865] close(3 [pid 4864] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 3482] getdents64(3, [pid 3481] rmdir("./181" [pid 4865] <... close resumed>) = 0 [pid 4864] close(4 [pid 3484] lstat("./192/cgroup", [pid 3483] <... close resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... rmdir resumed>) = 0 [pid 4865] symlink("/dev/binderfs", "./binderfs" [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] rmdir("./189" [pid 3482] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] mkdir("./182", 0777 [pid 4865] <... symlink resumed>) = 0 [pid 4864] close(5 [pid 3484] unlink("./192/cgroup" [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4865] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3483] mkdir("./190", 0777 [pid 3482] lstat("./183/binderfs", [pid 3481] <... mkdir resumed>) = 0 [pid 4865] <... socket resumed>) = 3 [pid 4864] close(6 [pid 3484] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4866 attached [pid 4865] close(3 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] unlink("./183/binderfs" [pid 4866] set_robust_list(0x5555564df6e0, 24 [pid 4865] <... close resumed>) = 0 [pid 4864] close(7 [pid 3484] lstat("./192/cgroup.net", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4866] <... set_robust_list resumed>) = 0 [pid 4865] close(4 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 185 [pid 4866] chdir("./182" [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(8 [pid 3484] unlink("./192/cgroup.net" [pid 3482] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4867 attached [pid 4866] <... chdir resumed>) = 0 [pid 4865] close(5 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] set_robust_list(0x5555564df6e0, 24 [pid 4866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(9 [pid 3484] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./183/cgroup", [pid 4866] <... prctl resumed>) = 0 [pid 4865] close(6 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 193 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4867] <... set_robust_list resumed>) = 0 [pid 4866] setpgid(0, 0 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(10 [pid 3484] lstat("./192/cgroup.cpu", [pid 3482] unlink("./183/cgroup" [pid 4867] chdir("./190" [pid 4866] <... setpgid resumed>) = 0 [pid 4865] close(7 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4867] <... chdir resumed>) = 0 [pid 4866] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(11 [pid 3484] unlink("./192/cgroup.cpu" [pid 3482] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4866] <... symlink resumed>) = 0 [pid 4865] close(8 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] <... prctl resumed>) = 0 [pid 4866] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(12 [pid 3484] getdents64(3, [pid 3482] lstat("./183/cgroup.net", [pid 4867] setpgid(0, 0 [pid 4866] <... symlink resumed>) = 0 [pid 4865] close(9 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4866] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(13 [pid 3484] close(3 [pid 3482] unlink("./183/cgroup.net" [pid 4867] <... setpgid resumed>) = 0 [pid 4866] <... symlink resumed>) = 0 [pid 4865] close(10 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4867] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(14 [pid 3484] rmdir("./192" [pid 3482] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4867] <... symlink resumed>) = 0 [pid 4866] <... openat resumed>) = 3 [pid 4865] close(11 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4866] write(3, "1000", 4 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(15 [pid 3484] mkdir("./193", 0777 [pid 3482] lstat("./183/cgroup.cpu", [pid 4867] <... symlink resumed>) = 0 [pid 4866] <... write resumed>) = 4 [pid 4865] close(12 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4867] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4866] close(3 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(16 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./183/cgroup.cpu"./strace-static-x86_64: Process 4868 attached [pid 4867] <... symlink resumed>) = 0 [pid 4866] <... close resumed>) = 0 [pid 4865] close(13 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4868] set_robust_list(0x5555564df6e0, 24 [pid 4867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4866] symlink("/dev/binderfs", "./binderfs" [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(17 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 196 [pid 3482] getdents64(3, [pid 4868] <... set_robust_list resumed>) = 0 [pid 4867] <... openat resumed>) = 3 [pid 4866] <... symlink resumed>) = 0 [pid 4865] close(14 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4868] chdir("./193" [pid 4867] write(3, "1000", 4 [pid 4866] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(18 [pid 3482] close(3 [pid 4868] <... chdir resumed>) = 0 [pid 4867] <... write resumed>) = 4 [pid 4866] <... socket resumed>) = 3 [pid 4865] close(15 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 4868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4867] close(3 [pid 4866] close(3 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(19 [pid 3482] rmdir("./183" [pid 4868] <... prctl resumed>) = 0 [pid 4867] <... close resumed>) = 0 [pid 4866] <... close resumed>) = 0 [pid 4865] close(16 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] setpgid(0, 0 [pid 4867] symlink("/dev/binderfs", "./binderfs" [pid 3482] <... rmdir resumed>) = 0 [pid 4868] <... setpgid resumed>) = 0 [pid 4867] <... symlink resumed>) = 0 [pid 4866] close(4 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(20 [pid 4868] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4867] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(17 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./184", 0777 [pid 4868] <... symlink resumed>) = 0 [pid 4867] <... socket resumed>) = 3 [pid 4866] close(5 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(21 [pid 4868] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4867] close(3 [pid 4868] <... symlink resumed>) = 0 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(18 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 4868] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4867] <... close resumed>) = 0 [pid 4866] close(6 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(22 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4869 attached [pid 4868] <... symlink resumed>) = 0 [pid 4867] close(4 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(19 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] set_robust_list(0x5555564df6e0, 24 [pid 4868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(7 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(23 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 187 [pid 4869] <... set_robust_list resumed>) = 0 [pid 4867] close(5 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(20 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(8 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(24 [pid 4869] chdir("./184" [pid 4868] <... openat resumed>) = 3 [pid 4867] close(6 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(21 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... chdir resumed>) = 0 [pid 4868] write(3, "1000", 4 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(9 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(25 [pid 4869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4868] <... write resumed>) = 4 [pid 4867] close(7 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(22 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... prctl resumed>) = 0 [pid 4868] close(3 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(10 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(26 [pid 4869] setpgid(0, 0 [pid 4868] <... close resumed>) = 0 [pid 4867] close(8 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(23 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... setpgid resumed>) = 0 [pid 4868] symlink("/dev/binderfs", "./binderfs" [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(11 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(27 [pid 4869] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(24 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... symlink resumed>) = 0 [pid 4867] close(9 [pid 4866] close(12 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(28write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4869] <... symlink resumed>) = 0 [pid 4868] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(25 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4868] <... socket resumed>) = 3 [pid 4867] close(10 [pid 4866] close(13 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] close(29 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(26 [pid 4869] <... symlink resumed>) = 0 [pid 4864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4868] close(3 [pid 4866] close(14 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4868] <... close resumed>) = 0 [pid 4867] close(11 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(27 [pid 4864] <... write resumed>) = 335 [pid 4869] <... symlink resumed>) = 0 [pid 4868] close(4 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(15 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] exit_group(0 [pid 4869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(12 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(28 [pid 4864] <... exit_group resumed>) = ? [pid 4869] <... openat resumed>) = 3 [pid 4868] close(5 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(16 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] +++ exited with 0 +++ [pid 4869] write(3, "1000", 4 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(13 [pid 4869] <... write resumed>) = 4 [pid 4868] close(6 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] close(29 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4869] close(3 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(14 [pid 4866] close(17 [pid 4865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 4869] <... close resumed>) = 0 [pid 4868] close(7 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... restart_syscall resumed>) = 0 [pid 4869] symlink("/dev/binderfs", "./binderfs" [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(15 [pid 4869] <... symlink resumed>) = 0 [pid 4868] close(8 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4869] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(16 [pid 4866] close(18 [pid 4865] <... write resumed>) = 335 [pid 3485] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] <... socket resumed>) = 3 [pid 4868] close(9 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] exit_group(0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] close(3 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(17 [pid 4866] close(19 [pid 4865] <... exit_group resumed>) = ? [pid 3485] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4869] <... close resumed>) = 0 [pid 4868] close(10 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] +++ exited with 0 +++ [pid 3485] <... openat resumed>) = 3 [pid 4869] close(4 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(18 [pid 4866] close(20 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3485] fstat(3, [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(11 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4869] close(5 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(19 [pid 4866] close(21 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(12 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 4869] close(6 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(20 [pid 4866] close(22 [pid 3486] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(13 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] close(7 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(21 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4866] close(23 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(14 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] lstat("./198/binderfs", [pid 4869] close(8 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(22 [pid 4866] close(24 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(15 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] unlink("./198/binderfs" [pid 4869] close(9 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(23 [pid 4866] close(25 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(16 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] close(10 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(24 [pid 4866] close(26 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(17 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./198/cgroup", [pid 4869] close(11 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(25 [pid 4866] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(18 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./198/cgroup" [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] close(12 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(26 [pid 3486] lstat("./201/binderfs", [pid 3485] <... unlink resumed>) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(19 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] close(13 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(20 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] close(28 [pid 3486] unlink("./201/binderfs" [pid 3485] lstat("./198/cgroup.net", [pid 4869] close(14 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(28 [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(21 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./198/cgroup.net" [pid 4869] close(15 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(29 [pid 4866] close(29 [pid 3486] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(22 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] close(16 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(23write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4867] <... write resumed>) = 335 [pid 4866] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] lstat("./201/cgroup", [pid 3485] lstat("./198/cgroup.cpu", [pid 4869] close(17 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] exit_group(0 [pid 4866] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(24 [pid 4867] <... exit_group resumed>) = ? [pid 3485] unlink("./198/cgroup.cpu" [pid 4869] close(18 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] +++ exited with 0 +++ [pid 4866] exit_group(0 [pid 3486] unlink("./201/cgroup" [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(25 [pid 4866] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 4869] close(19 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] +++ exited with 0 +++ [pid 3486] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4869] close(20 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./201/cgroup.net", [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4869] close(21 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./201/cgroup.net" [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] close(28 [pid 3485] close(3 [pid 3483] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] close(22 [pid 3486] <... unlink resumed>) = 0 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... close resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] close(23 [pid 3486] lstat("./201/cgroup.cpu", [pid 4868] close(29 [pid 3485] rmdir("./198" [pid 3483] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./201/cgroup.cpu" [pid 3481] <... openat resumed>) = 3 [pid 4869] close(24 [pid 4868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3481] fstat(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] getdents64(3, [pid 3485] mkdir("./199", 0777 [pid 3483] fstat(3, [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4869] close(25 [pid 4868] <... write resumed>) = 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] getdents64(3, [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] exit_group(0 [pid 3486] close(3 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4869] close(26 [pid 4868] <... exit_group resumed>) = ? [pid 3486] <... close resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3481] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./201" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] close(27 [pid 4868] +++ exited with 0 +++ [pid 3486] <... rmdir resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] lstat("./182/binderfs", [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./202", 0777 [pid 3483] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4870 attached [pid 4869] close(28 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./182/binderfs" [pid 4870] set_robust_list(0x5555564df6e0, 24 [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 202 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] lstat("./190/binderfs", [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4871 attached [pid 4870] <... set_robust_list resumed>) = 0 [pid 4869] close(29 [pid 3484] <... restart_syscall resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4871] set_robust_list(0x5555564df6e0, 24 [pid 4870] chdir("./199" [pid 4869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4871] <... set_robust_list resumed>) = 0 [pid 4870] <... chdir resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4869] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3483] unlink("./190/binderfs" [pid 3481] lstat("./182/cgroup", [pid 4871] chdir("./202" [pid 4870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4869] <... write resumed>) = 335 [pid 3484] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4871] <... chdir resumed>) = 0 [pid 4870] <... prctl resumed>) = 0 [pid 4869] exit_group(0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3481] unlink("./182/cgroup" [pid 4871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4870] setpgid(0, 0 [pid 4869] <... exit_group resumed>) = ? [pid 3484] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4871] <... prctl resumed>) = 0 [pid 4870] <... setpgid resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3481] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4871] setpgid(0, 0 [pid 4870] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3484] fstat(3, [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4871] <... setpgid resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 4869] +++ exited with 0 +++ [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./182/cgroup.net", [pid 4871] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4870] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3484] getdents64(3, [pid 3483] lstat("./190/cgroup", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3481] unlink("./182/cgroup.net" [pid 4871] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4870] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3484] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./190/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4871] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] lstat("./193/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3481] lstat("./182/cgroup.cpu", [pid 4871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4870] write(3, "1000", 4 [pid 3484] unlink("./193/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4871] <... openat resumed>) = 3 [pid 4870] <... write resumed>) = 4 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./190/cgroup.net", [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] unlink("./182/cgroup.cpu" [pid 4871] write(3, "1000", 4 [pid 4870] close(3 [pid 3484] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] getdents64(3, [pid 3481] <... unlink resumed>) = 0 [pid 4871] <... write resumed>) = 4 [pid 4870] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./190/cgroup.net" [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] getdents64(3, [pid 4871] close(3 [pid 4870] symlink("/dev/binderfs", "./binderfs" [pid 3484] lstat("./193/cgroup", [pid 3482] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4871] <... close resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] close(3 [pid 4871] symlink("/dev/binderfs", "./binderfs" [pid 4870] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3484] unlink("./193/cgroup" [pid 3483] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./184/binderfs", [pid 3481] <... close resumed>) = 0 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... socket resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] rmdir("./182" [pid 4871] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4870] close(3 [pid 3484] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./190/cgroup.cpu", [pid 3482] unlink("./184/binderfs" [pid 3481] <... rmdir resumed>) = 0 [pid 4871] <... socket resumed>) = 3 [pid 4870] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] mkdir("./183", 0777 [pid 4871] close(3 [pid 4870] close(4 [pid 3484] lstat("./193/cgroup.net", [pid 3483] unlink("./190/cgroup.cpu" [pid 3482] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4871] <... close resumed>) = 0 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... mkdir resumed>) = 0 [pid 4871] close(4 [pid 4870] close(5 [pid 3484] unlink("./193/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./184/cgroup", [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4872 attached [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4872] set_robust_list(0x5555564df6e0, 24 [pid 4871] close(5 [pid 4870] close(6 [pid 3484] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] unlink("./184/cgroup" [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 186 [pid 4872] <... set_robust_list resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3) = 0 [pid 3483] rmdir("./190" [pid 4871] close(6 [pid 4870] close(7 [pid 4872] chdir("./183" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4872] <... chdir resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./193/cgroup.cpu", [pid 3483] mkdir("./191", 0777 [pid 3482] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4871] close(7 [pid 4870] close(8 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4872] <... prctl resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./193/cgroup.cpu" [pid 3482] lstat("./184/cgroup.net", [pid 4872] setpgid(0, 0 [pid 4871] close(8 [pid 4870] close(9 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4872] <... setpgid resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./184/cgroup.net" [pid 4872] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4871] close(9 [pid 4870] close(10 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4873 attached [pid 4872] <... symlink resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3482] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4873] set_robust_list(0x5555564df6e0, 24 [pid 4872] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4871] close(10 [pid 4870] close(11 [pid 3484] <... close resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 194 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4872] <... symlink resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./193" [pid 3482] lstat("./184/cgroup.cpu", [pid 4873] <... set_robust_list resumed>) = 0 [pid 4872] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4871] close(11 [pid 4870] close(12 [pid 3484] <... rmdir resumed>) = 0 [pid 4873] chdir("./191" [pid 4872] <... symlink resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./194", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4873] <... chdir resumed>) = 0 [pid 4872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4871] close(12 [pid 4870] close(13 [pid 3482] unlink("./184/cgroup.cpu" [pid 4873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4872] <... openat resumed>) = 3 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 4873] <... prctl resumed>) = 0 [pid 4873] setpgid(0, 0 [pid 3482] <... unlink resumed>) = 0 [pid 4871] close(13 [pid 4873] <... setpgid resumed>) = 0 [pid 4872] write(3, "1000", 4 [pid 4870] close(14 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] getdents64(3, [pid 4873] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4872] <... write resumed>) = 4 [pid 4871] close(14 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... symlink resumed>) = 0 [pid 4872] close(3 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(15 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4874 attached [pid 4873] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4872] <... close resumed>) = 0 [pid 4871] close(15 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 4874] set_robust_list(0x5555564df6e0, 24 [pid 4873] <... symlink resumed>) = 0 [pid 4872] symlink("/dev/binderfs", "./binderfs" [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(16 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 197 [pid 3482] <... close resumed>) = 0 [pid 4874] <... set_robust_list resumed>) = 0 [pid 4873] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4872] <... symlink resumed>) = 0 [pid 4871] close(16 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./184" [pid 4874] chdir("./194" [pid 4873] <... symlink resumed>) = 0 [pid 4872] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(17 [pid 3482] <... rmdir resumed>) = 0 [pid 4874] <... chdir resumed>) = 0 [pid 4873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4872] <... socket resumed>) = 3 [pid 4871] close(17 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./185", 0777 [pid 4874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4873] <... openat resumed>) = 3 [pid 4872] close(3 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(18 [pid 3482] <... mkdir resumed>) = 0 [pid 4874] <... prctl resumed>) = 0 [pid 4873] write(3, "1000", 4 [pid 4872] <... close resumed>) = 0 [pid 4871] close(18 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4875 attached [pid 4874] setpgid(0, 0 [pid 4873] <... write resumed>) = 4 [pid 4872] close(4 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(19 [pid 4875] set_robust_list(0x5555564df6e0, 24 [pid 4874] <... setpgid resumed>) = 0 [pid 4873] close(3 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(19 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 188 [pid 4875] <... set_robust_list resumed>) = 0 [pid 4874] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4873] <... close resumed>) = 0 [pid 4872] close(5 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(20 [pid 4875] chdir("./185" [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(20 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... chdir resumed>) = 0 [pid 4874] <... symlink resumed>) = 0 [pid 4873] symlink("/dev/binderfs", "./binderfs" [pid 4872] close(6 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(21 [pid 4875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4874] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4873] <... symlink resumed>) = 0 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(21 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... prctl resumed>) = 0 [pid 4872] close(7 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(22 [pid 4875] setpgid(0, 0 [pid 4874] <... symlink resumed>) = 0 [pid 4873] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(22 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... setpgid resumed>) = 0 [pid 4874] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4873] <... socket resumed>) = 3 [pid 4872] close(8 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(23 [pid 4875] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4873] close(3 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(23 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... symlink resumed>) = 0 [pid 4874] <... symlink resumed>) = 0 [pid 4873] <... close resumed>) = 0 [pid 4872] close(9 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(24 [pid 4875] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4873] close(4 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(24 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... symlink resumed>) = 0 [pid 4874] <... openat resumed>) = 3 [pid 4872] close(10 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(25 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4874] write(3, "1000", 4 [pid 4873] close(5 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(25 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... symlink resumed>) = 0 [pid 4874] <... write resumed>) = 4 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(11 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(26 [pid 4875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4874] close(3 [pid 4873] close(6 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(26 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... openat resumed>) = 3 [pid 4874] <... close resumed>) = 0 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] write(3, "1000", 4 [pid 4874] symlink("/dev/binderfs", "./binderfs" [pid 4873] close(7 [pid 4872] close(12 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(27 [pid 4875] <... write resumed>) = 4 [pid 4874] <... symlink resumed>) = 0 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(27 [pid 4875] close(3 [pid 4874] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4873] close(8 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... close resumed>) = 0 [pid 4874] <... socket resumed>) = 3 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(13 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] symlink("/dev/binderfs", "./binderfs" [pid 4874] close(3 [pid 4873] close(9 [pid 4870] close(28 [pid 4875] <... symlink resumed>) = 0 [pid 4874] <... close resumed>) = 0 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(28 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4874] close(4 [pid 4873] close(10 [pid 4872] close(14 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(29 [pid 4875] <... socket resumed>) = 3 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(29 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4875] close(3 [pid 4874] close(5 [pid 4873] close(11 [pid 4872] close(15 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4875] <... close resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4870] <... write resumed>) = 335 [pid 4875] close(4 [pid 4874] close(6 [pid 4873] close(12 [pid 4872] close(16 [pid 4871] <... write resumed>) = 335 [pid 4870] exit_group(0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] exit_group(0 [pid 4870] <... exit_group resumed>) = ? [pid 4875] close(5 [pid 4874] close(7 [pid 4873] close(13 [pid 4872] close(17 [pid 4871] <... exit_group resumed>) = ? [pid 4870] +++ exited with 0 +++ [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] +++ exited with 0 +++ [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4875] close(6 [pid 4874] close(8 [pid 4873] close(14 [pid 4872] close(18 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4875] close(7 [pid 4874] close(9 [pid 4872] close(19 [pid 3486] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(15 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] close(8 [pid 4874] close(10 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(20 [pid 3486] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(16 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] close(9 [pid 4874] close(11 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(21 [pid 3486] fstat(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(17 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4875] close(10 [pid 4874] close(12 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(22 [pid 3486] getdents64(3, [pid 3485] <... openat resumed>) = 3 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(18 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] fstat(3, [pid 4875] close(11 [pid 4874] close(13 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(23 [pid 3486] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(19 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 4875] close(12 [pid 4874] close(14 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(24 [pid 3486] lstat("./202/binderfs", [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(20 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] close(13 [pid 4874] close(15 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(25 [pid 3486] unlink("./202/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(21 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./199/binderfs", [pid 4875] close(14 [pid 4874] close(16 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(26 [pid 3486] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(22 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./199/binderfs" [pid 4875] close(15 [pid 4874] close(17 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(27 [pid 3486] lstat("./202/cgroup", [pid 3485] <... unlink resumed>) = 0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(23 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] close(16 [pid 4874] close(18 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(28 [pid 3486] unlink("./202/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(24 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] close(17 [pid 4874] close(19 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./199/cgroup", [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] close(25 [pid 4872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4875] close(18 [pid 4872] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./199/cgroup" [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] close(20 [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... write resumed>) = 335 [pid 3486] lstat("./202/cgroup.net", [pid 4875] close(19 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... exit_group resumed>) = ? [pid 3486] unlink("./202/cgroup.net" [pid 3485] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] close(20 [pid 4874] close(21 [pid 4873] close(26 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] close(21 [pid 4874] close(22 [pid 4873] close(27 [pid 3486] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./199/cgroup.net", [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4874] close(23 [pid 4873] close(28 [pid 4875] close(22 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./202/cgroup.cpu", [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] close(24 [pid 4873] close(29 [pid 3485] unlink("./199/cgroup.net" [pid 4875] close(23 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4874] close(25 [pid 4873] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] unlink("./202/cgroup.cpu" [pid 3485] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... restart_syscall resumed>) = 0 [pid 4875] close(24 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] close(26 [pid 4873] exit_group(0 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 3485] lstat("./199/cgroup.cpu", [pid 4875] close(25 [pid 4874] close(27 [pid 4873] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 4874] close(28 [pid 3485] unlink("./199/cgroup.cpu" [pid 4875] close(26 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] close(29 [pid 3486] <... close resumed>) = 0 [pid 4874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 4874] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 4875] close(27 [pid 4874] <... exit_group resumed>) = ? [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] +++ exited with 0 +++ [pid 3486] rmdir("./202" [pid 3485] getdents64(3, [pid 3483] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4875] close(28 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... openat resumed>) = 3 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./203", 0777 [pid 3485] close(3 [pid 3483] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] fstat(3, [pid 4875] close(29 [pid 3485] <... close resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4875] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] rmdir("./199" [pid 3483] fstat(3, [pid 3481] getdents64(3, [pid 4875] <... write resumed>) = 335 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4875] exit_group(0 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4875] <... exit_group resumed>) = ? [pid 3483] getdents64(3, [pid 3481] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4875] +++ exited with 0 +++ [pid 3485] mkdir("./200", 0777 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4876 attached [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 206 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./183/binderfs", [pid 4876] set_robust_list(0x5555564df6e0, 24 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... openat resumed>) = 3 [pid 3483] lstat("./191/binderfs", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4877 attached [pid 4876] <... set_robust_list resumed>) = 0 [pid 3484] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 3481] unlink("./183/binderfs" [pid 4877] set_robust_list(0x5555564df6e0, 24 [pid 4876] chdir("./203" [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./191/binderfs" [pid 3482] <... restart_syscall resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4877] <... set_robust_list resumed>) = 0 [pid 4876] <... chdir resumed>) = 0 [pid 3484] getdents64(3, [pid 4877] chdir("./200" [pid 4876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] <... unlink resumed>) = 0 [pid 3481] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4877] <... chdir resumed>) = 0 [pid 4876] <... prctl resumed>) = 0 [pid 3484] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4876] setpgid(0, 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./183/cgroup", [pid 4877] <... prctl resumed>) = 0 [pid 4876] <... setpgid resumed>) = 0 [pid 3484] lstat("./194/binderfs", [pid 3483] lstat("./191/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4877] setpgid(0, 0 [pid 4876] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] unlink("./183/cgroup" [pid 4877] <... setpgid resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 3484] unlink("./194/binderfs" [pid 3483] unlink("./191/cgroup" [pid 3482] <... openat resumed>) = 3 [pid 4877] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4876] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] fstat(3, [pid 3481] <... unlink resumed>) = 0 [pid 4877] <... symlink resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 3484] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4877] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4876] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4877] <... symlink resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 4877] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] lstat("./194/cgroup", [pid 3483] lstat("./191/cgroup.net", [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] lstat("./183/cgroup.net", [pid 4877] <... symlink resumed>) = 0 [pid 4876] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4876] write(3, "1000", 4 [pid 3484] unlink("./194/cgroup" [pid 3483] unlink("./191/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./183/cgroup.net" [pid 4877] <... openat resumed>) = 3 [pid 4876] <... write resumed>) = 4 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./185/binderfs", [pid 3481] <... unlink resumed>) = 0 [pid 4877] write(3, "1000", 4 [pid 4876] close(3 [pid 3484] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4877] <... write resumed>) = 4 [pid 4876] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./185/binderfs" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4877] close(3 [pid 4876] symlink("/dev/binderfs", "./binderfs" [pid 3484] lstat("./194/cgroup.net", [pid 3483] lstat("./191/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 3481] lstat("./183/cgroup.cpu", [pid 4877] <... close resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4877] symlink("/dev/binderfs", "./binderfs" [pid 4876] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3484] unlink("./194/cgroup.net" [pid 3483] unlink("./191/cgroup.cpu" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./183/cgroup.cpu" [pid 4877] <... symlink resumed>) = 0 [pid 4876] <... socket resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./185/cgroup", [pid 3481] <... unlink resumed>) = 0 [pid 4877] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4876] close(3 [pid 3484] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] getdents64(3, [pid 4877] <... socket resumed>) = 3 [pid 4876] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] unlink("./185/cgroup" [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4877] close(3 [pid 4876] close(4 [pid 3484] lstat("./194/cgroup.cpu", [pid 3483] close(3 [pid 3482] <... unlink resumed>) = 0 [pid 3481] close(3 [pid 4877] <... close resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... close resumed>) = 0 [pid 4877] close(4 [pid 4876] close(5 [pid 3484] unlink("./194/cgroup.cpu" [pid 3483] rmdir("./191" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] rmdir("./183" [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 4877] close(5 [pid 4876] close(6 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] lstat("./185/cgroup.net", [pid 3484] getdents64(3, [pid 3481] <... rmdir resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(6 [pid 4876] close(7 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] mkdir("./192", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] mkdir("./184", 0777 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] unlink("./185/cgroup.net" [pid 3481] <... mkdir resumed>) = 0 [pid 4877] close(7 [pid 4876] close(8 [pid 3482] <... unlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4877] close(8 [pid 4876] close(9 [pid 3484] rmdir("./194"./strace-static-x86_64: Process 4879 attached ./strace-static-x86_64: Process 4878 attached [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4879] set_robust_list(0x5555564df6e0, 24 [pid 4878] set_robust_list(0x5555564df6e0, 24 [pid 4877] close(9 [pid 4876] close(10 [pid 3484] mkdir("./195", 0777 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 195 [pid 3482] lstat("./185/cgroup.cpu", [pid 4879] <... set_robust_list resumed>) = 0 [pid 4878] <... set_robust_list resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 187 [pid 4879] chdir("./184" [pid 4878] chdir("./192" [pid 4877] close(10 [pid 4876] close(11 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./185/cgroup.cpu"./strace-static-x86_64: Process 4880 attached [pid 4879] <... chdir resumed>) = 0 [pid 4878] <... chdir resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4880] set_robust_list(0x5555564df6e0, 24 [pid 4879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4877] close(11 [pid 4876] close(12 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 198 [pid 3482] getdents64(3, [pid 4880] <... set_robust_list resumed>) = 0 [pid 4879] <... prctl resumed>) = 0 [pid 4878] <... prctl resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4880] chdir("./195" [pid 4879] setpgid(0, 0 [pid 4878] setpgid(0, 0 [pid 4877] close(12 [pid 4876] close(13 [pid 3482] close(3 [pid 4880] <... chdir resumed>) = 0 [pid 4879] <... setpgid resumed>) = 0 [pid 4878] <... setpgid resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 4880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4879] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4878] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4877] close(13 [pid 4876] close(14 [pid 3482] rmdir("./185" [pid 4880] <... prctl resumed>) = 0 [pid 4879] <... symlink resumed>) = 0 [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 4880] setpgid(0, 0 [pid 4879] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4878] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4877] close(14 [pid 4876] close(15 [pid 3482] mkdir("./186", 0777 [pid 4880] <... setpgid resumed>) = 0 [pid 4879] <... symlink resumed>) = 0 [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4879] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4878] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4877] close(15 [pid 4876] close(16 [pid 3482] <... mkdir resumed>) = 0 [pid 4880] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4879] <... symlink resumed>) = 0 [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... symlink resumed>) = 0 [pid 4879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4877] close(16 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4880] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4876] close(17 [pid 4880] write(3, "1000", 4 [pid 4879] <... openat resumed>) = 3 [pid 4878] <... openat resumed>) = 3 [pid 4880] <... write resumed>) = 4 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] close(3 [pid 4879] write(3, "1000", 4 [pid 4878] write(3, "1000", 4 [pid 4877] close(17 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4881 attached [pid 4880] <... close resumed>) = 0 [pid 4879] <... write resumed>) = 4 [pid 4878] <... write resumed>) = 4 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(18 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 189 [pid 4881] set_robust_list(0x5555564df6e0, 24 [pid 4880] symlink("/dev/binderfs", "./binderfs" [pid 4879] close(3 [pid 4878] close(3 [pid 4877] close(18 [pid 4881] <... set_robust_list resumed>) = 0 [pid 4879] <... close resumed>) = 0 [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... symlink resumed>) = 0 [pid 4879] symlink("/dev/binderfs", "./binderfs" [pid 4878] symlink("/dev/binderfs", "./binderfs" [pid 4877] close(19 [pid 4876] close(19 [pid 4881] chdir("./186" [pid 4880] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4879] <... symlink resumed>) = 0 [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4878] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4877] close(20 [pid 4879] <... socket resumed>) = 3 [pid 4878] <... socket resumed>) = 3 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... chdir resumed>) = 0 [pid 4879] close(3 [pid 4878] close(3 [pid 4877] close(21 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4880] <... socket resumed>) = 3 [pid 4879] <... close resumed>) = 0 [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... prctl resumed>) = 0 [pid 4880] close(3 [pid 4879] close(4 [pid 4878] close(4 [pid 4877] close(22 [pid 4876] close(20 [pid 4881] setpgid(0, 0 [pid 4880] <... close resumed>) = 0 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... setpgid resumed>) = 0 [pid 4880] close(4 [pid 4879] close(5 [pid 4878] close(5 [pid 4877] close(23 [pid 4876] close(21 [pid 4881] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(6 [pid 4878] close(6 [pid 4877] close(24 [pid 4881] <... symlink resumed>) = 0 [pid 4880] close(5 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(22 [pid 4881] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(7 [pid 4878] close(7 [pid 4877] close(25 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... symlink resumed>) = 0 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4880] close(6 [pid 4879] close(8 [pid 4878] close(8 [pid 4877] close(26 [pid 4876] close(23 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... symlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(9 [pid 4878] close(9 [pid 4877] close(27 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4880] close(7 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(24 [pid 4881] <... openat resumed>) = 3 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(10 [pid 4878] close(10 [pid 4877] close(28 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] write(3, "1000", 4 [pid 4880] close(8 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(25 [pid 4881] <... write resumed>) = 4 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(11 [pid 4878] close(11 [pid 4877] close(29 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(3 [pid 4880] close(9 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(26 [pid 4881] <... close resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(12 [pid 4878] close(12write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4877] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] symlink("/dev/binderfs", "./binderfs" [pid 4880] close(10 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... write resumed>) = 335 [pid 4876] close(27 [pid 4879] close(13 [pid 4878] close(13 [pid 4877] exit_group(0 [pid 4881] <... symlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... exit_group resumed>) = ? [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4880] close(11 [pid 4879] close(14 [pid 4878] close(14 [pid 4877] +++ exited with 0 +++ [pid 4876] close(28 [pid 4881] <... socket resumed>) = 3 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(3 [pid 4880] close(12 [pid 4879] close(15 [pid 4878] close(15 [pid 4876] close(29 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4881] <... close resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 4881] close(4 [pid 4880] close(13 [pid 4879] close(16 [pid 4878] close(16 [pid 4876] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... restart_syscall resumed>) = 0 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... write resumed>) = 335 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(17 [pid 4878] close(17 [pid 4876] exit_group(0 [pid 4881] close(5 [pid 4880] close(14 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... exit_group resumed>) = ? [pid 3485] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(18 [pid 4878] close(18 [pid 4876] +++ exited with 0 +++ [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] close(6 [pid 4880] close(15 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3485] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(19 [pid 4878] close(19 [pid 3485] <... openat resumed>) = 3 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] fstat(3, [pid 4881] close(7 [pid 4880] close(16 [pid 4879] close(20 [pid 4878] close(20 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 4879] close(21 [pid 4878] close(21 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4880] close(17 [pid 4881] close(8 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(22 [pid 4878] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] close(9 [pid 4880] close(18 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] lstat("./200/binderfs", [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(23 [pid 4878] close(23 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4881] close(10 [pid 4880] close(19 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] unlink("./200/binderfs" [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(24 [pid 4878] close(24 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] close(20 [pid 4881] close(11 [pid 4879] close(25 [pid 4878] close(25 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./200/cgroup", [pid 4881] close(12 [pid 4880] close(21 [pid 4879] close(26 [pid 4878] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./203/binderfs", [pid 3485] unlink("./200/cgroup" [pid 4881] close(13 [pid 4880] close(22 [pid 4879] close(27 [pid 4878] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./203/binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 4881] close(14 [pid 4880] close(23 [pid 4879] close(28 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(28 [pid 4881] close(15 [pid 4880] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] close(16 [pid 4880] close(25 [pid 4879] close(29 [pid 4878] close(29 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] close(17 [pid 4880] close(26 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./203/cgroup", [pid 3485] lstat("./200/cgroup.net", [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(18 [pid 4880] close(27 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(19 [pid 4880] close(28 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(20 [pid 4880] close(29 [pid 4879] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... write resumed>) = 335 [pid 4878] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4881] close(21 [pid 4880] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4879] exit_group(0 [pid 4878] <... write resumed>) = 335 [pid 3486] unlink("./203/cgroup" [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... write resumed>) = 335 [pid 3485] unlink("./200/cgroup.net" [pid 4879] <... exit_group resumed>) = ? [pid 4881] close(22 [pid 4880] exit_group(0 [pid 4878] exit_group(0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... exit_group resumed>) = ? [pid 4878] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 4881] close(23 [pid 4880] +++ exited with 0 +++ [pid 4879] +++ exited with 0 +++ [pid 3485] <... unlink resumed>) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4881] close(24 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... restart_syscall resumed>) = 0 [pid 3481] <... restart_syscall resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4881] close(25 [pid 4878] +++ exited with 0 +++ [pid 3486] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] close(26 [pid 3486] lstat("./203/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./200/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] close(27 [pid 3484] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./203/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3481] <... openat resumed>) = 3 [pid 4881] close(28 [pid 3484] fstat(3, [pid 3481] fstat(3, [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4881] close(29 [pid 3486] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./200/cgroup.cpu" [pid 3484] getdents64(3, [pid 3483] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] getdents64(3, [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4881] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] lstat("./203/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] exit_group(0 [pid 3484] lstat("./195/binderfs", [pid 3481] lstat("./184/binderfs", [pid 4881] <... exit_group resumed>) = ? [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4881] +++ exited with 0 +++ [pid 3486] unlink("./203/cgroup.cpu" [pid 3485] getdents64(3, [pid 3484] unlink("./195/binderfs" [pid 3483] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] unlink("./184/binderfs" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3486] getdents64(3, [pid 3485] close(3 [pid 3483] fstat(3, [pid 3484] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3481] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... close resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 3486] close(3 [pid 3485] rmdir("./200" [pid 3484] lstat("./195/cgroup", [pid 3483] getdents64(3, [pid 3482] <... restart_syscall resumed>) = 0 [pid 3481] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./203" [pid 3485] mkdir("./201", 0777 [pid 3484] unlink("./195/cgroup" [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] lstat("./184/cgroup", [pid 3486] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./184/cgroup" [pid 3486] mkdir("./204", 0777 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./195/cgroup.net", [pid 3483] lstat("./192/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./195/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] lstat("./184/cgroup.net", ./strace-static-x86_64: Process 4882 attached [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./192/binderfs" [pid 3482] <... openat resumed>) = 3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 3481] unlink("./184/cgroup.net" [pid 4882] set_robust_list(0x5555564df6e0, 24 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4882] <... set_robust_list resumed>) = 0 [pid 3484] lstat("./195/cgroup.cpu", [pid 3483] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 3481] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4883 attached [pid 4882] chdir("./201" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4883] set_robust_list(0x5555564df6e0, 24 [pid 4882] <... chdir resumed>) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 207 [pid 3484] unlink("./195/cgroup.cpu" [pid 3481] lstat("./184/cgroup.cpu", [pid 4883] <... set_robust_list resumed>) = 0 [pid 4882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./192/cgroup", [pid 3482] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4883] chdir("./204" [pid 4882] <... prctl resumed>) = 0 [pid 3484] getdents64(3, [pid 3481] unlink("./184/cgroup.cpu" [pid 4883] <... chdir resumed>) = 0 [pid 4882] setpgid(0, 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4882] <... setpgid resumed>) = 0 [pid 3484] close(3 [pid 3481] getdents64(3, [pid 4883] <... prctl resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./192/cgroup" [pid 3482] lstat("./186/binderfs", [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4883] setpgid(0, 0 [pid 4882] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3484] rmdir("./195" [pid 3481] close(3 [pid 4883] <... setpgid resumed>) = 0 [pid 4882] <... symlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... close resumed>) = 0 [pid 4883] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4882] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3484] mkdir("./196", 0777 [pid 3483] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./186/binderfs" [pid 3481] rmdir("./184" [pid 4883] <... symlink resumed>) = 0 [pid 4882] <... symlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... rmdir resumed>) = 0 [pid 4883] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4882] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./192/cgroup.net", [pid 3482] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] mkdir("./185", 0777 [pid 4883] <... symlink resumed>) = 0 [pid 4882] <... symlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3483] unlink("./192/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4884 attached [pid 4883] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4882] <... openat resumed>) = 3 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 199 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4884] set_robust_list(0x5555564df6e0, 24 [pid 4883] <... symlink resumed>) = 0 [pid 4882] write(3, "1000", 4 [pid 3483] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./186/cgroup", [pid 4884] <... set_robust_list resumed>) = 0 [pid 4883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4882] <... write resumed>) = 4 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4884] chdir("./196" [pid 4882] close(3 [pid 3483] lstat("./192/cgroup.cpu", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4885 attached [pid 4884] <... chdir resumed>) = 0 [pid 4883] <... openat resumed>) = 3 [pid 4882] <... close resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4885] set_robust_list(0x5555564df6e0, 24 [pid 4884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4883] write(3, "1000", 4 [pid 4882] symlink("/dev/binderfs", "./binderfs" [pid 3483] unlink("./192/cgroup.cpu" [pid 3482] unlink("./186/cgroup" [pid 4885] <... set_robust_list resumed>) = 0 [pid 4884] <... prctl resumed>) = 0 [pid 4883] <... write resumed>) = 4 [pid 4882] <... symlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 188 [pid 4882] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3483] getdents64(3, [pid 4885] chdir("./185" [pid 4882] <... socket resumed>) = 3 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4885] <... chdir resumed>) = 0 [pid 4884] setpgid(0, 0 [pid 4883] close(3 [pid 4882] close(3 [pid 3483] close(3 [pid 3482] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4884] <... setpgid resumed>) = 0 [pid 4883] <... close resumed>) = 0 [pid 4882] <... close resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4885] <... prctl resumed>) = 0 [pid 4884] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4883] symlink("/dev/binderfs", "./binderfs" [pid 4882] close(4 [pid 3483] rmdir("./192" [pid 4885] setpgid(0, 0 [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... symlink resumed>) = 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] lstat("./186/cgroup.net", [pid 4885] <... setpgid resumed>) = 0 [pid 4884] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4883] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4882] close(5 [pid 3483] mkdir("./193", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4885] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... socket resumed>) = 3 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] unlink("./186/cgroup.net" [pid 4882] close(6 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4886 attached [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4886] set_robust_list(0x5555564df6e0, 24 [pid 4885] <... symlink resumed>) = 0 [pid 4884] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4883] close(3 [pid 4882] close(7 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 196 [pid 4886] <... set_robust_list resumed>) = 0 [pid 4885] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4883] <... close resumed>) = 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] chdir("./193" [pid 4884] <... symlink resumed>) = 0 [pid 4882] close(8 [pid 4886] <... chdir resumed>) = 0 [pid 4885] <... symlink resumed>) = 0 [pid 4884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4883] close(4 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4885] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4884] <... openat resumed>) = 3 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(9 [pid 4886] <... prctl resumed>) = 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./186/cgroup.cpu", [pid 4886] setpgid(0, 0 [pid 4885] <... symlink resumed>) = 0 [pid 4883] close(5 [pid 4882] close(10 [pid 4886] <... setpgid resumed>) = 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4882] close(11 [pid 4886] <... symlink resumed>) = 0 [pid 4885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4884] write(3, "1000", 4 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4886] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4885] <... openat resumed>) = 3 [pid 4884] <... write resumed>) = 4 [pid 4883] close(6 [pid 4882] close(12 [pid 3482] unlink("./186/cgroup.cpu" [pid 4886] <... symlink resumed>) = 0 [pid 4885] write(3, "1000", 4 [pid 4884] close(3 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4886] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4885] <... write resumed>) = 4 [pid 4884] <... close resumed>) = 0 [pid 4883] close(7 [pid 3482] getdents64(3, [pid 4886] <... symlink resumed>) = 0 [pid 4885] close(3 [pid 4884] symlink("/dev/binderfs", "./binderfs" [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(13 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4885] <... close resumed>) = 0 [pid 4884] <... symlink resumed>) = 0 [pid 4883] close(8 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 4886] <... openat resumed>) = 3 [pid 4885] symlink("/dev/binderfs", "./binderfs" [pid 4884] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(14 [pid 4886] write(3, "1000", 4 [pid 4885] <... symlink resumed>) = 0 [pid 4884] <... socket resumed>) = 3 [pid 4883] close(9 [pid 3482] <... close resumed>) = 0 [pid 4885] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4884] close(3 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./186" [pid 4886] <... write resumed>) = 4 [pid 4885] <... socket resumed>) = 3 [pid 4884] <... close resumed>) = 0 [pid 4883] close(10 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] close(3 [pid 4885] close(3 [pid 4884] close(4 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(15 [pid 3482] <... rmdir resumed>) = 0 [pid 4886] <... close resumed>) = 0 [pid 4885] <... close resumed>) = 0 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(11 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./187", 0777 [pid 4886] symlink("/dev/binderfs", "./binderfs" [pid 4885] close(4 [pid 4884] close(5 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(16 [pid 3482] <... mkdir resumed>) = 0 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(12 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4887 attached [pid 4886] <... symlink resumed>) = 0 [pid 4885] close(5 [pid 4884] close(6 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] set_robust_list(0x5555564df6e0, 24 [pid 4886] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(13 [pid 4882] close(17 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 190 [pid 4887] <... set_robust_list resumed>) = 0 [pid 4886] <... socket resumed>) = 3 [pid 4885] close(6 [pid 4884] close(7 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] chdir("./187" [pid 4886] close(3 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(14 [pid 4887] <... chdir resumed>) = 0 [pid 4886] <... close resumed>) = 0 [pid 4885] close(7 [pid 4884] close(8 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(18 [pid 4887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4886] close(4 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(15 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... prctl resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(8 [pid 4884] close(9 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(19 [pid 4887] setpgid(0, 0 [pid 4886] close(5 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(16 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... setpgid resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(9 [pid 4884] close(10 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(20 [pid 4887] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4886] close(6 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(17 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... symlink resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(10 [pid 4884] close(11 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(21 [pid 4887] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4886] close(7 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(18 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... symlink resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(22 [pid 4887] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4886] close(8 [pid 4885] close(11 [pid 4884] close(12 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... symlink resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(19 [pid 4882] close(23 [pid 4887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4886] close(9 [pid 4885] close(12 [pid 4884] close(13 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... openat resumed>) = 3 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(20 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] write(3, "1000", 4 [pid 4886] close(10 [pid 4885] close(13 [pid 4884] close(14 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... write resumed>) = 4 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(21 [pid 4887] close(3 [pid 4886] close(11 [pid 4885] close(14 [pid 4884] close(15 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(24 [pid 4887] <... close resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(22 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] symlink("/dev/binderfs", "./binderfs" [pid 4886] close(12 [pid 4885] close(15 [pid 4884] close(16 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(25 [pid 4887] <... symlink resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(23 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4886] close(13 [pid 4885] close(16 [pid 4884] close(17 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... socket resumed>) = 3 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(24 [pid 4882] close(26 [pid 4887] close(3 [pid 4886] close(14 [pid 4885] close(17 [pid 4884] close(18 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = 0 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(25 [pid 4887] close(4 [pid 4886] close(15 [pid 4885] close(18 [pid 4884] close(19 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(27 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(26 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(5 [pid 4886] close(16 [pid 4885] close(19 [pid 4884] close(20 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(27 [pid 4882] close(28 [pid 4887] close(6 [pid 4886] close(17 [pid 4885] close(20 [pid 4884] close(21 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(28 [pid 4887] close(7 [pid 4886] close(18 [pid 4885] close(21 [pid 4884] close(22 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(29 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] close(29 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(8 [pid 4886] close(19 [pid 4885] close(22 [pid 4884] close(23 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4882] <... write resumed>) = 335 [pid 4887] close(9 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4886] close(20 [pid 4885] close(23 [pid 4884] close(24 [pid 4883] <... write resumed>) = 335 [pid 4882] exit_group(0 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] exit_group(0 [pid 4882] <... exit_group resumed>) = ? [pid 4887] close(10 [pid 4886] close(21 [pid 4885] close(24 [pid 4884] close(25 [pid 4883] <... exit_group resumed>) = ? [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] +++ exited with 0 +++ [pid 4882] +++ exited with 0 +++ [pid 4887] close(11 [pid 4886] close(22 [pid 4885] close(25 [pid 4884] close(26 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(12 [pid 4886] close(23 [pid 4885] close(26 [pid 4884] close(27 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 4887] close(13 [pid 4886] close(24 [pid 4885] close(27 [pid 4884] close(28 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3486] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] close(14 [pid 4886] close(25 [pid 4885] close(28 [pid 4884] close(29 [pid 3486] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(15 [pid 4886] close(26 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] close(16write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(29 [pid 4884] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] fstat(3, [pid 3485] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] close(27 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... write resumed>) = 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 4887] close(17 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4884] exit_group(0 [pid 3486] getdents64(3, [pid 3485] fstat(3, [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] close(28 [pid 4885] <... write resumed>) = 335 [pid 4884] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4887] close(18 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] exit_group(0 [pid 4884] +++ exited with 0 +++ [pid 3486] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] close(29 [pid 4885] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4887] close(19 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./204/binderfs", [pid 3485] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4887] close(20 [pid 4886] <... write resumed>) = 335 [pid 4885] +++ exited with 0 +++ [pid 3486] unlink("./204/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./201/binderfs", [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4887] close(21 [pid 4886] <... exit_group resumed>) = ? [pid 3486] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./201/binderfs" [pid 3484] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] close(22 [pid 3486] lstat("./204/cgroup", [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4887] close(23) = -1 EBADF (Bad file descriptor) [pid 4886] +++ exited with 0 +++ [pid 3486] unlink("./204/cgroup" [pid 3485] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./201/cgroup", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4887] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... openat resumed>) = 3 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] lstat("./204/cgroup.net", [pid 3484] getdents64(3, [pid 4887] close(26 [pid 3485] unlink("./201/cgroup" [pid 3481] fstat(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] close(27 [pid 3486] unlink("./204/cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] getdents64(3, [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./196/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4887] close(28 [pid 3486] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./201/cgroup.net", [pid 3484] unlink("./196/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] close(29 [pid 3486] lstat("./204/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3481] lstat("./185/binderfs", [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./201/cgroup.net" [pid 3484] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4887] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] unlink("./204/cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3481] unlink("./185/binderfs" [pid 4887] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3484] lstat("./196/cgroup", [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4887] exit_group(0 [pid 3486] getdents64(3, [pid 3485] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4887] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./196/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] +++ exited with 0 +++ [pid 3486] close(3 [pid 3485] lstat("./201/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./193/binderfs", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3481] lstat("./185/cgroup", [pid 3486] rmdir("./204" [pid 3485] unlink("./201/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./193/binderfs" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./196/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3481] unlink("./185/cgroup" [pid 3486] mkdir("./205", 0777 [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./196/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./193/cgroup", [pid 3481] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... close resumed>) = 0 [pid 3484] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./201" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4888 attached [pid 3483] unlink("./193/cgroup" [pid 3482] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./185/cgroup.net", [pid 4888] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 208 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] lstat("./196/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4888] <... set_robust_list resumed>) = 0 [pid 3485] mkdir("./202", 0777 [pid 3483] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] unlink("./185/cgroup.net" [pid 4888] chdir("./205" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 3481] <... unlink resumed>) = 0 [pid 4888] <... chdir resumed>) = 0 [pid 3483] lstat("./193/cgroup.net", [pid 3482] fstat(3, [pid 3481] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] unlink("./196/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4888] <... prctl resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] unlink("./193/cgroup.net" [pid 3482] getdents64(3, [pid 3481] lstat("./185/cgroup.cpu", [pid 4888] setpgid(0, 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4888] <... setpgid resumed>) = 0 [pid 3483] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./185/cgroup.cpu"./strace-static-x86_64: Process 4889 attached [pid 4888] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4889] set_robust_list(0x5555564df6e0, 24 [pid 4888] <... symlink resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./193/cgroup.cpu", [pid 3482] lstat("./187/binderfs", [pid 3481] getdents64(3, [pid 4889] <... set_robust_list resumed>) = 0 [pid 4888] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4889] chdir("./202" [pid 4888] <... symlink resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./193/cgroup.cpu" [pid 3482] unlink("./187/binderfs" [pid 3481] close(3 [pid 4889] <... chdir resumed>) = 0 [pid 4888] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] rmdir("./196" [pid 3483] <... unlink resumed>) = 0 [pid 4889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4888] <... symlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... close resumed>) = 0 [pid 4889] <... prctl resumed>) = 0 [pid 4888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] mkdir("./197", 0777 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] rmdir("./185" [pid 4889] setpgid(0, 0 [pid 4888] <... openat resumed>) = 3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] close(3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... rmdir resumed>) = 0 [pid 4889] <... setpgid resumed>) = 0 [pid 4888] write(3, "1000", 4 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... close resumed>) = 0 [pid 3482] lstat("./187/cgroup", [pid 3481] mkdir("./186", 0777./strace-static-x86_64: Process 4890 attached [pid 4889] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4888] <... write resumed>) = 4 [pid 3483] rmdir("./193" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4890] set_robust_list(0x5555564df6e0, 24 [pid 4889] <... symlink resumed>) = 0 [pid 4888] close(3 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 200 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] unlink("./187/cgroup" [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4890] <... set_robust_list resumed>) = 0 [pid 4889] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4888] <... close resumed>) = 0 [pid 3483] mkdir("./194", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 4890] chdir("./197"./strace-static-x86_64: Process 4891 attached ) = 0 [pid 4889] <... symlink resumed>) = 0 [pid 4888] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... mkdir resumed>) = 0 [pid 3482] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 189 [pid 4891] set_robust_list(0x5555564df6e0, 24 [pid 4890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4889] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4888] <... symlink resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4892 attached [pid 4891] <... set_robust_list resumed>) = 0 [pid 4890] <... prctl resumed>) = 0 [pid 4889] <... symlink resumed>) = 0 [pid 4888] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3482] lstat("./187/cgroup.net", [pid 4892] set_robust_list(0x5555564df6e0, 24 [pid 4891] chdir("./186" [pid 4890] setpgid(0, 0 [pid 4889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4888] <... socket resumed>) = 3 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 197 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4892] <... set_robust_list resumed>) = 0 [pid 4891] <... chdir resumed>) = 0 [pid 4890] <... setpgid resumed>) = 0 [pid 4889] <... openat resumed>) = 3 [pid 4888] close(3 [pid 3482] unlink("./187/cgroup.net" [pid 4892] chdir("./194" [pid 4891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4890] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4889] write(3, "1000", 4 [pid 4888] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4892] <... chdir resumed>) = 0 [pid 4891] <... prctl resumed>) = 0 [pid 4890] <... symlink resumed>) = 0 [pid 4889] <... write resumed>) = 4 [pid 4888] close(4 [pid 3482] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4891] setpgid(0, 0 [pid 4890] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4889] close(3 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] <... prctl resumed>) = 0 [pid 4891] <... setpgid resumed>) = 0 [pid 4890] <... symlink resumed>) = 0 [pid 4889] <... close resumed>) = 0 [pid 4888] close(5 [pid 3482] lstat("./187/cgroup.cpu", [pid 4892] setpgid(0, 0 [pid 4891] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4890] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4889] symlink("/dev/binderfs", "./binderfs" [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4892] <... setpgid resumed>) = 0 [pid 4891] <... symlink resumed>) = 0 [pid 4890] <... symlink resumed>) = 0 [pid 4889] <... symlink resumed>) = 0 [pid 4888] close(6 [pid 3482] unlink("./187/cgroup.cpu" [pid 4892] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4891] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4889] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4892] <... symlink resumed>) = 0 [pid 4891] <... symlink resumed>) = 0 [pid 4890] <... openat resumed>) = 3 [pid 4889] <... socket resumed>) = 3 [pid 4888] close(7 [pid 3482] getdents64(3, [pid 4892] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4891] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4890] write(3, "1000", 4 [pid 4889] close(3 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4892] <... symlink resumed>) = 0 [pid 4891] <... symlink resumed>) = 0 [pid 4890] <... write resumed>) = 4 [pid 4889] <... close resumed>) = 0 [pid 4888] close(8 [pid 3482] close(3 [pid 4892] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4890] close(3 [pid 4889] close(4 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 4892] <... symlink resumed>) = 0 [pid 4891] <... openat resumed>) = 3 [pid 4890] <... close resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(9 [pid 3482] rmdir("./187" [pid 4892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4891] write(3, "1000", 4 [pid 4890] symlink("/dev/binderfs", "./binderfs" [pid 4889] close(5 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 4892] <... openat resumed>) = 3 [pid 4891] <... write resumed>) = 4 [pid 4890] <... symlink resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(10 [pid 3482] mkdir("./188", 0777 [pid 4892] write(3, "1000", 4 [pid 4891] close(3 [pid 4890] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4889] close(6 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] <... write resumed>) = 4 [pid 4891] <... close resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 4892] close(3 [pid 4891] symlink("/dev/binderfs", "./binderfs" [pid 4890] <... socket resumed>) = 3 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(11 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4892] <... close resumed>) = 0 ./strace-static-x86_64: Process 4893 attached [pid 4892] symlink("/dev/binderfs", "./binderfs" [pid 4891] <... symlink resumed>) = 0 [pid 4890] close(3 [pid 4889] close(7 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] set_robust_list(0x5555564df6e0, 24 [pid 4891] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4890] <... close resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(12 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 191 [pid 4893] <... set_robust_list resumed>) = 0 [pid 4892] <... symlink resumed>) = 0 [pid 4891] <... socket resumed>) = 3 [pid 4890] close(4 [pid 4889] close(8 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] chdir("./188" [pid 4892] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4891] close(3 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... chdir resumed>) = 0 [pid 4892] <... socket resumed>) = 3 [pid 4890] close(5 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(13 [pid 4891] <... close resumed>) = 0 [pid 4893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4892] close(3 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(9 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... prctl resumed>) = 0 [pid 4892] <... close resumed>) = 0 [pid 4891] close(4 [pid 4890] close(6 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(14 [pid 4893] setpgid(0, 0 [pid 4892] close(4 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(10 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... setpgid resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(5 [pid 4890] close(7 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(15 [pid 4893] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4892] close(5 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(11 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... symlink resumed>) = 0 [pid 4892] close(6 [pid 4891] close(6 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(8 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(16 [pid 4893] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4892] close(7 [pid 4891] close(7 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(12 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... symlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(9 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(17 [pid 4893] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4892] close(8 [pid 4891] close(8 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(13 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... symlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(10 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(18 [pid 4893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4892] close(9 [pid 4891] close(9 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(14 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... openat resumed>) = 3 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(11 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(19 [pid 4893] write(3, "1000", 4 [pid 4892] close(10 [pid 4891] close(10 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(15 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... write resumed>) = 4 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(12 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(20 [pid 4893] close(3 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(11 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(16 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = 0 [pid 4892] close(11 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(13 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(21 [pid 4893] symlink("/dev/binderfs", "./binderfs" [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(12 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(17 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... symlink resumed>) = 0 [pid 4892] close(12 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(14 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(22 [pid 4893] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(13 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(18 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... socket resumed>) = 3 [pid 4892] close(13 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(15 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(23 [pid 4893] close(3 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(14 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(19 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = 0 [pid 4892] close(14 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(16 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(24 [pid 4893] close(4 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(15 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(20 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(15 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(17 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(5 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(16 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(16 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(25 [pid 4893] close(6 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(21 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(17 [pid 4890] close(18 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(7 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(17 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(18 [pid 4893] close(8 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(19 [pid 4893] close(9 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(20 [pid 4893] close(10 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(21 [pid 4893] close(11 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(22 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(22 [pid 4888] close(26 [pid 4893] close(12 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(18 [pid 4890] close(19 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(23 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(13 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(24 [pid 4891] close(19 [pid 4890] close(20 [pid 4889] close(23 [pid 4888] close(27 [pid 4893] close(14 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(25 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(15 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(20 [pid 4890] close(21 [pid 4889] close(24 [pid 4888] close(28 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(26 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(16 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(21 [pid 4890] close(22 [pid 4889] close(25 [pid 4888] close(29 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(27 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4893] close(17 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(22 [pid 4890] close(23 [pid 4889] close(26 [pid 4888] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(28 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... write resumed>) = 335 [pid 4893] close(18 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(23 [pid 4890] close(24 [pid 4889] close(27 [pid 4888] exit_group(0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(29 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... exit_group resumed>) = ? [pid 4893] close(19 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(24 [pid 4890] close(25 [pid 4889] close(28 [pid 4888] +++ exited with 0 +++ [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4891] close(25 [pid 4890] close(26 [pid 4889] close(29 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4893] close(20 [pid 4892] <... write resumed>) = 335 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... restart_syscall resumed>) = 0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] exit_group(0 [pid 4891] close(26 [pid 4890] close(27 [pid 4889] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4893] close(21 [pid 4892] <... exit_group resumed>) = ? [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... write resumed>) = 335 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(27 [pid 4890] close(28 [pid 4889] exit_group(0 [pid 3486] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4893] close(22 [pid 4892] +++ exited with 0 +++ [pid 4891] close(28 [pid 4890] close(29 [pid 4889] +++ exited with 0 +++ [pid 3486] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4893] close(23 [pid 4891] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4890] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... write resumed>) = 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 4893] close(24write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4891] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4890] exit_group(0 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3486] getdents64(3, [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... write resumed>) = 335 [pid 4890] <... exit_group resumed>) = ? [pid 4893] close(25 [pid 4891] exit_group(0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4893] close(26 [pid 3485] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... exit_group resumed>) = ? [pid 3486] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 3483] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4893] close(27 [pid 4891] +++ exited with 0 +++ [pid 4890] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3483] <... openat resumed>) = 3 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./205/binderfs", [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] fstat(3, [pid 4893] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./205/binderfs" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] getdents64(3, [pid 3481] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4893] close(29 [pid 3485] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... restart_syscall resumed>) = 0 [pid 3483] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4893] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./202/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... openat resumed>) = 3 [pid 4893] <... write resumed>) = 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] lstat("./194/binderfs", [pid 3481] fstat(3, [pid 4893] exit_group(0 [pid 3486] lstat("./205/cgroup", [pid 3485] unlink("./202/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4893] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./194/binderfs" [pid 3481] getdents64(3, [pid 3486] unlink("./205/cgroup" [pid 3484] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4893] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3486] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] lstat("./205/cgroup.net", [pid 3485] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./205/cgroup.net" [pid 3485] lstat("./202/cgroup", [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3481] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./202/cgroup" [pid 3484] lstat("./197/binderfs", [pid 3483] lstat("./194/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./205/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./197/binderfs" [pid 3486] unlink("./205/cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] lstat("./186/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] getdents64(3, [pid 3485] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./194/cgroup" [pid 3482] <... openat resumed>) = 3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./197/cgroup", [pid 3486] close(3 [pid 3485] lstat("./202/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./197/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 3482] fstat(3, [pid 3481] unlink("./186/binderfs" [pid 3486] rmdir("./205" [pid 3485] unlink("./202/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 3486] mkdir("./206", 0777 [pid 3485] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 3481] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./197/cgroup.net", [pid 3483] lstat("./194/cgroup.net", [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./202/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4894 attached [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./197/cgroup.net" [pid 3483] unlink("./194/cgroup.net" [pid 4894] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 209 [pid 3485] unlink("./202/cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 4894] <... set_robust_list resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 4894] chdir("./206" [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4894] <... chdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./197/cgroup.cpu", [pid 3482] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./186/cgroup", [pid 4894] <... prctl resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./197/cgroup.cpu" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4894] setpgid(0, 0 [pid 3485] rmdir("./202" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./188/binderfs", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4894] <... setpgid resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] lstat("./194/cgroup.cpu", [pid 4894] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] mkdir("./203", 0777 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] unlink("./186/cgroup" [pid 4894] <... symlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./188/binderfs" [pid 4894] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... close resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4895 attached [pid 4894] <... symlink resumed>) = 0 [pid 3484] rmdir("./197" [pid 4895] set_robust_list(0x5555564df6e0, 24 [pid 4894] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 206 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./194/cgroup.cpu" [pid 3481] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4895] <... set_robust_list resumed>) = 0 [pid 4894] <... symlink resumed>) = 0 [pid 3484] mkdir("./198", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 4895] chdir("./203" [pid 4894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4895] <... chdir resumed>) = 0 [pid 4894] <... openat resumed>) = 3 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4896 attached [pid 4895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4894] write(3, "1000", 4 [pid 3483] getdents64(3, [pid 3481] lstat("./186/cgroup.net", [pid 4896] set_robust_list(0x5555564df6e0, 24 [pid 4895] <... prctl resumed>) = 0 [pid 4894] <... write resumed>) = 4 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 201 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4896] <... set_robust_list resumed>) = 0 [pid 4895] setpgid(0, 0 [pid 4894] close(3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4896] chdir("./198" [pid 4895] <... setpgid resumed>) = 0 [pid 4894] <... close resumed>) = 0 [pid 3483] close(3 [pid 3482] lstat("./188/cgroup", [pid 4896] <... chdir resumed>) = 0 [pid 4895] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4894] symlink("/dev/binderfs", "./binderfs" [pid 3481] unlink("./186/cgroup.net" [pid 4896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... symlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4896] <... prctl resumed>) = 0 [pid 4895] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4894] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3481] <... unlink resumed>) = 0 [pid 4896] setpgid(0, 0 [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... socket resumed>) = 3 [pid 3483] rmdir("./194" [pid 3482] unlink("./188/cgroup" [pid 3481] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4896] <... setpgid resumed>) = 0 [pid 4895] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4894] close(3 [pid 4896] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... close resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 4896] <... symlink resumed>) = 0 [pid 4895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4894] close(4 [pid 3483] mkdir("./195", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4896] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4895] <... openat resumed>) = 3 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... symlink resumed>) = 0 [pid 4895] write(3, "1000", 4 [pid 4894] close(5 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./186/cgroup.cpu", [pid 4896] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4895] <... write resumed>) = 4 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... symlink resumed>) = 0 [pid 4895] close(3 [pid 4894] close(6 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4895] <... close resumed>) = 0 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... openat resumed>) = 3 [pid 4895] symlink("/dev/binderfs", "./binderfs" [pid 4894] close(7 [pid 3482] lstat("./188/cgroup.net", [pid 3481] unlink("./186/cgroup.cpu"./strace-static-x86_64: Process 4897 attached [pid 4896] write(3, "1000", 4 [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4897] set_robust_list(0x5555564df6e0, 24 [pid 4896] <... write resumed>) = 4 [pid 4895] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4894] close(8 [pid 3481] <... unlink resumed>) = 0 [pid 4897] <... set_robust_list resumed>) = 0 [pid 4896] close(3 [pid 4895] <... socket resumed>) = 3 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 198 [pid 3482] unlink("./188/cgroup.net" [pid 4897] chdir("./195" [pid 4896] <... close resumed>) = 0 [pid 4895] close(3 [pid 4894] close(9 [pid 3481] getdents64(3, [pid 4897] <... chdir resumed>) = 0 [pid 4896] symlink("/dev/binderfs", "./binderfs" [pid 4895] <... close resumed>) = 0 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] close(3 [pid 4897] <... prctl resumed>) = 0 [pid 4895] close(4 [pid 4894] close(10 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... close resumed>) = 0 [pid 4897] setpgid(0, 0 [pid 4896] <... symlink resumed>) = 0 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./188/cgroup.cpu", [pid 3481] rmdir("./186" [pid 4897] <... setpgid resumed>) = 0 [pid 4896] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4895] close(5 [pid 4894] close(11 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... rmdir resumed>) = 0 [pid 4897] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4896] <... socket resumed>) = 3 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./188/cgroup.cpu" [pid 3481] mkdir("./187", 0777 [pid 4897] <... symlink resumed>) = 0 [pid 4896] close(3 [pid 4895] close(6 [pid 4894] close(12 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4897] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4896] <... close resumed>) = 0 [pid 3482] getdents64(3, [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4898 attached [pid 4897] <... symlink resumed>) = 0 [pid 4896] close(4 [pid 4895] close(7 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4898] set_robust_list(0x5555564df6e0, 24 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 190 [pid 4898] <... set_robust_list resumed>) = 0 [pid 4897] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4896] close(5 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(13 [pid 3482] <... close resumed>) = 0 [pid 4898] chdir("./187" [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./188" [pid 4898] <... chdir resumed>) = 0 [pid 4897] <... symlink resumed>) = 0 [pid 4896] close(6 [pid 4895] close(8 [pid 4894] close(14 [pid 3482] <... rmdir resumed>) = 0 [pid 4898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./189", 0777 [pid 4898] <... prctl resumed>) = 0 [pid 4897] <... openat resumed>) = 3 [pid 4896] close(7 [pid 4895] close(9 [pid 4894] close(15 [pid 3482] <... mkdir resumed>) = 0 [pid 4898] setpgid(0, 0 [pid 4897] write(3, "1000", 4 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4898] <... setpgid resumed>) = 0 [pid 4897] <... write resumed>) = 4 [pid 4896] close(8 [pid 4895] close(10 [pid 4894] close(16./strace-static-x86_64: Process 4899 attached [pid 4898] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(3 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 192 [pid 4899] set_robust_list(0x5555564df6e0, 24 [pid 4896] close(9 [pid 4895] close(11 [pid 4894] close(17 [pid 4898] <... symlink resumed>) = 0 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... set_robust_list resumed>) = 0 [pid 4899] chdir("./189" [pid 4898] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4897] <... close resumed>) = 0 [pid 4896] close(10 [pid 4895] close(12 [pid 4894] close(18 [pid 4899] <... chdir resumed>) = 0 [pid 4897] symlink("/dev/binderfs", "./binderfs" [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... symlink resumed>) = 0 [pid 4896] close(11 [pid 4895] close(13 [pid 4899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4898] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4897] <... symlink resumed>) = 0 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(19 [pid 4899] <... prctl resumed>) = 0 [pid 4897] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4896] close(12 [pid 4899] setpgid(0, 0 [pid 4898] <... symlink resumed>) = 0 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(14 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... socket resumed>) = 3 [pid 4899] <... setpgid resumed>) = 0 [pid 4898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4896] close(13 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(20 [pid 4899] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4898] <... openat resumed>) = 3 [pid 4897] close(3 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(15 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... symlink resumed>) = 0 [pid 4898] write(3, "1000", 4 [pid 4897] <... close resumed>) = 0 [pid 4896] close(14 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(21 [pid 4899] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4898] <... write resumed>) = 4 [pid 4897] close(4 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(16 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(15 [pid 4899] <... symlink resumed>) = 0 [pid 4898] close(3 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(22 [pid 4899] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4898] <... close resumed>) = 0 [pid 4897] close(5 [pid 4896] close(16 [pid 4895] close(17 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... symlink resumed>) = 0 [pid 4898] symlink("/dev/binderfs", "./binderfs" [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(23 [pid 4899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4898] <... symlink resumed>) = 0 [pid 4897] close(6 [pid 4896] close(17 [pid 4895] close(18 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... openat resumed>) = 3 [pid 4898] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(24 [pid 4899] write(3, "1000", 4 [pid 4898] <... socket resumed>) = 3 [pid 4897] close(7 [pid 4896] close(18 [pid 4895] close(19 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... write resumed>) = 4 [pid 4898] close(3 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(25 [pid 4899] close(3 [pid 4898] <... close resumed>) = 0 [pid 4897] close(8 [pid 4896] close(19 [pid 4895] close(20 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = 0 [pid 4898] close(4 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(26 [pid 4899] symlink("/dev/binderfs", "./binderfs" [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(9 [pid 4896] close(20 [pid 4895] close(21 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... symlink resumed>) = 0 [pid 4898] close(5 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(27 [pid 4899] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(10 [pid 4896] close(21 [pid 4895] close(22 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... socket resumed>) = 3 [pid 4898] close(6 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(28 [pid 4899] close(3 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(11 [pid 4896] close(22 [pid 4895] close(23 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = 0 [pid 4898] close(7 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(29 [pid 4899] close(4 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(12 [pid 4896] close(23 [pid 4895] close(24 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(8 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4899] close(5 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(13 [pid 4896] close(24 [pid 4895] close(25 [pid 4894] <... write resumed>) = 335 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(9 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] exit_group(0 [pid 4899] close(6 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(14 [pid 4896] close(25 [pid 4895] close(26 [pid 4894] <... exit_group resumed>) = ? [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(10 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] +++ exited with 0 +++ [pid 4899] close(7 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(15 [pid 4896] close(26 [pid 4895] close(27 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(11 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(8 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(16 [pid 4896] close(27 [pid 4895] close(28 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(12 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] close(9 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(17 [pid 4896] close(28 [pid 4895] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(13 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4899] close(10 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(18 [pid 4896] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4895] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... openat resumed>) = 3 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(14 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... write resumed>) = 335 [pid 3486] fstat(3, [pid 4899] close(11 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(19write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4896] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4895] exit_group(0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(15 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... write resumed>) = 335 [pid 4895] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 4899] close(12 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(20 [pid 4896] exit_group(0 [pid 4895] +++ exited with 0 +++ [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(16 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4899] close(13 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(21 [pid 4896] +++ exited with 0 +++ [pid 3486] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(17 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4899] close(14 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(22 [pid 3486] lstat("./206/binderfs", [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(18 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] close(15 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(23 [pid 3486] unlink("./206/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(19 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(16 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(20 [pid 4897] close(24 [pid 3486] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 4899] close(17 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3484] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(21 [pid 4897] close(25 [pid 3486] lstat("./206/cgroup", [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] close(18 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(22 [pid 4897] close(26 [pid 3484] <... openat resumed>) = 3 [pid 4899] close(19 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./206/cgroup" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] fstat(3, [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(23 [pid 4897] close(27 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] close(20 [pid 4898] close(24 [pid 4897] close(28 [pid 3486] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./203/binderfs", [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4899] close(21 [pid 4898] close(25 [pid 4897] close(29 [pid 3486] lstat("./206/cgroup.net", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./203/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] close(22 [pid 4898] close(26 [pid 4897] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] unlink("./206/cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./198/binderfs", [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4899] close(23 [pid 4898] close(27 [pid 4897] exit_group(0 [pid 3486] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./198/binderfs" [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./203/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 4899] close(24 [pid 4898] close(28 [pid 4897] +++ exited with 0 +++ [pid 3486] lstat("./206/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./203/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4899] close(25 [pid 4898] close(29 [pid 3486] unlink("./206/cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./198/cgroup", [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4899] close(26 [pid 4898] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./198/cgroup" [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... write resumed>) = 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./203/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 4899] close(27 [pid 4898] exit_group(0 [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... exit_group resumed>) = ? [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./203/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] close(28 [pid 4898] +++ exited with 0 +++ [pid 3486] rmdir("./206" [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./198/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4899] close(29 [pid 3486] mkdir("./207", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./198/cgroup.net" [pid 3483] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./203/cgroup.cpu", [pid 3483] <... openat resumed>) = 3 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4899] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, ./strace-static-x86_64: Process 4900 attached [pid 4899] <... write resumed>) = 335 [pid 3485] unlink("./203/cgroup.cpu" [pid 3484] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4900] set_robust_list(0x5555564df6e0, 24 [pid 4899] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4900] <... set_robust_list resumed>) = 0 [pid 4899] <... exit_group resumed>) = ? [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 210 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, 0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4899] +++ exited with 0 +++ [pid 4900] chdir("./207" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./198/cgroup.cpu", [pid 3483] lstat("./195/binderfs", [pid 3481] <... openat resumed>) = 3 [pid 4900] <... chdir resumed>) = 0 [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./198/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] fstat(3, [pid 4900] <... prctl resumed>) = 0 [pid 3485] rmdir("./203" [pid 3483] unlink("./195/binderfs" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] getdents64(3, [pid 3483] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./195/cgroup", [pid 3482] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] fstat(3, [pid 3481] lstat("./187/binderfs", [pid 4900] setpgid(0, 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] unlink("./195/cgroup" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4900] <... setpgid resumed>) = 0 [pid 3485] mkdir("./204", 0777 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4900] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... mkdir resumed>) = 0 [pid 3484] close(3 [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 3481] unlink("./187/binderfs" [pid 4900] <... symlink resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... close resumed>) = 0 [pid 4900] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] rmdir("./198" [pid 3483] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4901 attached [pid 4900] <... symlink resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 207 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4901] set_robust_list(0x5555564df6e0, 24 [pid 4900] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] mkdir("./199", 0777 [pid 3482] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4901] <... set_robust_list resumed>) = 0 [pid 4900] <... symlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] lstat("./195/cgroup.net", [pid 4900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4902 attached [pid 4901] chdir("./204" [pid 4900] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4902] set_robust_list(0x5555564df6e0, 24 [pid 4901] <... chdir resumed>) = 0 [pid 4900] write(3, "1000", 4 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 202 [pid 4902] <... set_robust_list resumed>) = 0 [pid 4901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4900] <... write resumed>) = 4 [pid 3483] unlink("./195/cgroup.net" [pid 3482] lstat("./189/binderfs", [pid 3481] lstat("./187/cgroup", [pid 4902] chdir("./199" [pid 4901] <... prctl resumed>) = 0 [pid 4900] close(3 [pid 4902] <... chdir resumed>) = 0 [pid 4900] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4901] setpgid(0, 0 [pid 4900] symlink("/dev/binderfs", "./binderfs" [pid 3483] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./189/binderfs" [pid 4902] <... prctl resumed>) = 0 [pid 4901] <... setpgid resumed>) = 0 [pid 4900] <... symlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./187/cgroup" [pid 4902] setpgid(0, 0 [pid 4901] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4900] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3483] lstat("./195/cgroup.cpu", [pid 3482] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] <... setpgid resumed>) = 0 [pid 4900] <... socket resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4902] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4901] <... symlink resumed>) = 0 [pid 4900] close(3 [pid 3482] lstat("./189/cgroup", [pid 4902] <... symlink resumed>) = 0 [pid 4901] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4900] <... close resumed>) = 0 [pid 3483] unlink("./195/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4900] close(4 [pid 3482] unlink("./189/cgroup" [pid 4902] <... symlink resumed>) = 0 [pid 4901] <... symlink resumed>) = 0 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4902] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4901] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4900] close(5 [pid 3483] getdents64(3, [pid 3482] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] <... symlink resumed>) = 0 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./187/cgroup.net", [pid 4902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4901] <... symlink resumed>) = 0 [pid 4900] close(6 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] lstat("./189/cgroup.net", [pid 4902] <... openat resumed>) = 3 [pid 4901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4902] write(3, "1000", 4 [pid 4901] <... openat resumed>) = 3 [pid 4900] close(7 [pid 3483] <... close resumed>) = 0 [pid 3482] unlink("./189/cgroup.net" [pid 4902] <... write resumed>) = 4 [pid 4901] write(3, "1000", 4 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./195" [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./187/cgroup.net" [pid 4902] close(3 [pid 4901] <... write resumed>) = 4 [pid 4900] close(8 [pid 3482] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] <... close resumed>) = 0 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4902] symlink("/dev/binderfs", "./binderfs" [pid 4900] close(9 [pid 3482] lstat("./189/cgroup.cpu", [pid 4902] <... symlink resumed>) = 0 [pid 4901] close(3 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4902] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4901] <... close resumed>) = 0 [pid 4900] close(10 [pid 3483] mkdir("./196", 0777 [pid 3482] unlink("./189/cgroup.cpu" [pid 3481] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] <... socket resumed>) = 3 [pid 4901] symlink("/dev/binderfs", "./binderfs" [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4902] close(3 [pid 4900] close(11 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] getdents64(3, [pid 3481] lstat("./187/cgroup.cpu", [pid 4902] <... close resumed>) = 0 [pid 4901] <... symlink resumed>) = 0 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4902] close(4 [pid 4901] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4900] close(12 [pid 3482] close(3 [pid 3481] unlink("./187/cgroup.cpu"./strace-static-x86_64: Process 4903 attached [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... socket resumed>) = 3 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4903] set_robust_list(0x5555564df6e0, 24 [pid 4902] close(5 [pid 4900] close(13 [pid 3482] rmdir("./189" [pid 3481] getdents64(3, [pid 4903] <... set_robust_list resumed>) = 0 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(3 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 199 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4903] chdir("./196" [pid 4902] close(6 [pid 4901] <... close resumed>) = 0 [pid 4900] close(14 [pid 3482] mkdir("./190", 0777 [pid 3481] close(3 [pid 4903] <... chdir resumed>) = 0 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(4 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 4903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4902] close(7 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... close resumed>) = 0 [pid 4903] <... prctl resumed>) = 0 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(5 [pid 4900] close(15 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4904 attached [pid 4903] setpgid(0, 0 [pid 4902] close(8 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] rmdir("./187" [pid 4904] set_robust_list(0x5555564df6e0, 24 [pid 4903] <... setpgid resumed>) = 0 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(6 [pid 4900] close(16 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 193 [pid 4904] <... set_robust_list resumed>) = 0 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] chdir("./190" [pid 4901] close(7 [pid 4904] <... chdir resumed>) = 0 [pid 4902] close(9 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... rmdir resumed>) = 0 [pid 4904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4903] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(8 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... prctl resumed>) = 0 [pid 4903] <... symlink resumed>) = 0 [pid 4902] close(10 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(17 [pid 3481] mkdir("./188", 0777 [pid 4904] setpgid(0, 0 [pid 4903] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(9 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... setpgid resumed>) = 0 [pid 4903] <... symlink resumed>) = 0 [pid 4902] close(11 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(18 [pid 3481] <... mkdir resumed>) = 0 [pid 4904] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4903] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(10 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4905 attached [pid 4904] <... symlink resumed>) = 0 [pid 4903] <... symlink resumed>) = 0 [pid 4902] close(12 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(19 [pid 4905] set_robust_list(0x5555564df6e0, 24 [pid 4904] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(11 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 191 [pid 4905] <... set_robust_list resumed>) = 0 [pid 4903] <... openat resumed>) = 3 [pid 4902] close(13 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(20 [pid 4905] chdir("./188" [pid 4904] <... symlink resumed>) = 0 [pid 4903] write(3, "1000", 4 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(12 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... chdir resumed>) = 0 [pid 4904] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4903] <... write resumed>) = 4 [pid 4902] close(14 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(21 [pid 4905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4903] close(3 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... prctl resumed>) = 0 [pid 4904] <... symlink resumed>) = 0 [pid 4903] <... close resumed>) = 0 [pid 4902] close(15 [pid 4901] close(13 [pid 4900] close(22 [pid 4905] setpgid(0, 0 [pid 4904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4903] symlink("/dev/binderfs", "./binderfs" [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... setpgid resumed>) = 0 [pid 4904] <... openat resumed>) = 3 [pid 4903] <... symlink resumed>) = 0 [pid 4902] close(16 [pid 4900] close(23 [pid 4903] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... socket resumed>) = 3 [pid 4902] close(17 [pid 4900] close(24 [pid 4903] close(3 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(14 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4904] write(3, "1000", 4 [pid 4903] <... close resumed>) = 0 [pid 4902] close(18 [pid 4900] close(25 [pid 4903] close(4 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(19 [pid 4900] close(26 [pid 4903] close(5 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... write resumed>) = 4 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(20 [pid 4900] close(27 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... symlink resumed>) = 0 [pid 4904] close(3 [pid 4903] close(6 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(15 [pid 4905] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4904] <... close resumed>) = 0 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(21 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(28 [pid 4903] close(7 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... symlink resumed>) = 0 [pid 4904] symlink("/dev/binderfs", "./binderfs" [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(22 [pid 4901] close(16 [pid 4900] close(29 [pid 4903] close(8 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... symlink resumed>) = 0 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4905] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4904] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(23 [pid 4901] close(17 [pid 4900] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4905] <... symlink resumed>) = 0 [pid 4903] close(9 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... write resumed>) = 335 [pid 4904] <... socket resumed>) = 3 [pid 4905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4904] close(3 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(24 [pid 4901] close(18 [pid 4900] exit_group(0 [pid 4905] <... openat resumed>) = 3 [pid 4904] <... close resumed>) = 0 [pid 4903] close(10 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... exit_group resumed>) = ? [pid 4905] write(3, "1000", 4 [pid 4904] close(4 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(25 [pid 4901] close(19 [pid 4900] +++ exited with 0 +++ [pid 4905] <... write resumed>) = 4 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(11 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(3 [pid 4904] close(5 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(26 [pid 4901] close(20 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(12 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4905] <... close resumed>) = 0 [pid 4905] symlink("/dev/binderfs", "./binderfs" [pid 4904] close(6 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(27 [pid 4901] close(21 [pid 3486] <... restart_syscall resumed>) = 0 [pid 4905] <... symlink resumed>) = 0 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(13 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4904] close(7 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(28 [pid 4901] close(22 [pid 4905] <... socket resumed>) = 3 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(14 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(3 [pid 4904] close(8 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(29 [pid 4901] close(23 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] <... close resumed>) = 0 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4903] close(15 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4905] close(4 [pid 4904] close(9 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(24 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(16 [pid 4902] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 4905] close(5 [pid 4904] close(10 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... write resumed>) = 335 [pid 4901] close(25 [pid 3486] fstat(3, [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(17 [pid 4902] exit_group(0 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(6 [pid 4904] close(11 [pid 4901] close(26 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(7 [pid 4904] close(12 [pid 4901] close(27 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(8 [pid 4904] close(13 [pid 4901] close(28 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... exit_group resumed>) = ? [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4905] close(9 [pid 4904] close(14 [pid 4903] close(18 [pid 4901] close(29 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 4905] close(10 [pid 4904] close(15 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] +++ exited with 0 +++ [pid 4901] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(19 [pid 4901] <... write resumed>) = 335 [pid 3486] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(11 [pid 4904] close(16 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4903] close(20 [pid 4901] <... exit_group resumed>) = ? [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./207/binderfs", [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 4905] close(12 [pid 4904] close(17 [pid 4903] close(21 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./207/binderfs" [pid 4905] close(13 [pid 4904] close(18 [pid 4903] close(22 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(14 [pid 4904] close(19 [pid 4903] close(23 [pid 4901] +++ exited with 0 +++ [pid 3486] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4905] close(15 [pid 4904] close(20 [pid 4903] close(24 [pid 3486] lstat("./207/cgroup", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... openat resumed>) = 3 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] fstat(3, [pid 4905] close(16 [pid 4904] close(21 [pid 4903] close(25 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(26 [pid 3486] unlink("./207/cgroup" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4903] close(27 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./199/binderfs", [pid 4905] close(17 [pid 4904] close(22 [pid 4903] close(28 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] unlink("./199/binderfs" [pid 4905] close(18 [pid 4904] close(23 [pid 4903] close(29 [pid 3486] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(19write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4904] close(24 [pid 4903] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] lstat("./207/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./199/cgroup", [pid 3485] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4905] close(20 [pid 4904] close(25 [pid 4903] exit_group(0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... exit_group resumed>) = ? [pid 3486] unlink("./207/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] unlink("./199/cgroup" [pid 4905] close(21 [pid 4904] close(26 [pid 4903] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 3484] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4905] close(22 [pid 4904] close(27 [pid 3486] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3484] lstat("./199/cgroup.net", [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] close(23 [pid 4904] close(28 [pid 3486] lstat("./207/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] unlink("./199/cgroup.net" [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(24 [pid 4904] close(29 [pid 3486] unlink("./207/cgroup.cpu"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./204/binderfs", [pid 3483] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4905] close(25 [pid 4904] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... write resumed>) = 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./204/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, [pid 4905] close(26 [pid 4904] exit_group(0 [pid 3486] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... exit_group resumed>) = ? [pid 3486] <... close resumed>) = 0 [pid 3485] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 4905] close(27 [pid 4904] +++ exited with 0 +++ [pid 3486] rmdir("./207" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./199/cgroup.cpu", [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] lstat("./204/cgroup", [pid 3483] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4905] close(28 [pid 3486] mkdir("./208", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] unlink("./204/cgroup" [pid 3484] unlink("./199/cgroup.cpu" [pid 3483] lstat("./196/binderfs", [pid 4905] close(29 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] unlink("./196/binderfs"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4905] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4906 attached [pid 4905] <... write resumed>) = 335 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 211 [pid 3485] lstat("./204/cgroup.net", [pid 3484] close(3 [pid 3483] <... unlink resumed>) = 0 [pid 4906] set_robust_list(0x5555564df6e0, 24 [pid 4905] exit_group(0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4906] <... set_robust_list resumed>) = 0 [pid 4905] <... exit_group resumed>) = ? [pid 3485] unlink("./204/cgroup.net" [pid 3484] rmdir("./199" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4906] chdir("./208" [pid 4905] +++ exited with 0 +++ [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4906] <... chdir resumed>) = 0 [pid 3485] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 3483] lstat("./196/cgroup", [pid 3482] <... openat resumed>) = 3 [pid 4906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] mkdir("./200", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4906] <... prctl resumed>) = 0 [pid 3485] lstat("./204/cgroup.cpu", [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./196/cgroup" [pid 3482] fstat(3, [pid 4906] setpgid(0, 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 [pid 4906] <... setpgid resumed>) = 0 [pid 3485] unlink("./204/cgroup.cpu" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 4907 attached [pid 4906] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 4907] set_robust_list(0x5555564df6e0, 24 [pid 4906] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4907] <... set_robust_list resumed>) = 0 [pid 4906] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./196/cgroup.net", [pid 4907] chdir("./200" [pid 4906] <... symlink resumed>) = 0 [pid 3485] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4907] <... chdir resumed>) = 0 [pid 4906] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... close resumed>) = 0 [pid 3483] unlink("./196/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4906] <... symlink resumed>) = 0 [pid 3485] rmdir("./204" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4907] <... prctl resumed>) = 0 [pid 4906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... rmdir resumed>) = 0 [pid 3482] lstat("./190/binderfs", [pid 3481] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4907] setpgid(0, 0 [pid 4906] <... openat resumed>) = 3 [pid 3485] mkdir("./205", 0777 [pid 3483] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4907] <... setpgid resumed>) = 0 [pid 4906] write(3, "1000", 4 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... openat resumed>) = 3 [pid 4907] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4906] <... write resumed>) = 4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./196/cgroup.cpu", [pid 3482] unlink("./190/binderfs"./strace-static-x86_64: Process 4908 attached [pid 4907] <... symlink resumed>) = 0 [pid 4906] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] fstat(3, [pid 4908] set_robust_list(0x5555564df6e0, 24 [pid 4907] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4906] <... close resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 208 [pid 3483] unlink("./196/cgroup.cpu" [pid 3482] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4908] <... set_robust_list resumed>) = 0 [pid 4907] <... symlink resumed>) = 0 [pid 4906] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4908] chdir("./205" [pid 4907] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4906] <... symlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] lstat("./190/cgroup", [pid 4908] <... chdir resumed>) = 0 [pid 4907] <... symlink resumed>) = 0 [pid 4906] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] getdents64(3, [pid 4908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4906] <... socket resumed>) = 3 [pid 3483] close(3 [pid 3482] unlink("./190/cgroup" [pid 4908] <... prctl resumed>) = 0 [pid 4907] <... openat resumed>) = 3 [pid 4906] close(3 [pid 3483] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4908] setpgid(0, 0 [pid 4907] write(3, "1000", 4 [pid 4906] <... close resumed>) = 0 [pid 3483] rmdir("./196" [pid 3482] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4908] <... setpgid resumed>) = 0 [pid 4907] <... write resumed>) = 4 [pid 4906] close(4 [pid 3481] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4908] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4907] close(3 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4908] <... symlink resumed>) = 0 [pid 4907] <... close resumed>) = 0 [pid 4906] close(5 [pid 3483] mkdir("./197", 0777 [pid 3481] lstat("./188/binderfs", [pid 4908] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./190/cgroup.net", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4908] <... symlink resumed>) = 0 [pid 4907] symlink("/dev/binderfs", "./binderfs" [pid 4906] close(6 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] unlink("./188/binderfs" [pid 4908] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4907] <... symlink resumed>) = 0 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./190/cgroup.net" [pid 3481] <... unlink resumed>) = 0 [pid 4908] <... symlink resumed>) = 0 [pid 3481] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4907] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4906] close(7 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4908] <... openat resumed>) = 3 [pid 3481] lstat("./188/cgroup", ./strace-static-x86_64: Process 4909 attached [pid 4908] write(3, "1000", 4 [pid 4907] <... socket resumed>) = 3 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4909] set_robust_list(0x5555564df6e0, 24 [pid 4908] <... write resumed>) = 4 [pid 4907] close(3 [pid 4906] close(8 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 200 [pid 3482] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./188/cgroup" [pid 4909] <... set_robust_list resumed>) = 0 [pid 4908] close(3 [pid 4907] <... close resumed>) = 0 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4909] chdir("./197" [pid 4908] <... close resumed>) = 0 [pid 4907] close(4 [pid 4906] close(9 [pid 3482] lstat("./190/cgroup.cpu", [pid 3481] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4909] <... chdir resumed>) = 0 [pid 4908] symlink("/dev/binderfs", "./binderfs" [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4908] <... symlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] lstat("./188/cgroup.net", [pid 4909] <... prctl resumed>) = 0 [pid 4908] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4907] close(5 [pid 4906] close(10 [pid 3482] unlink("./190/cgroup.cpu" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4909] setpgid(0, 0 [pid 4908] <... socket resumed>) = 3 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] unlink("./188/cgroup.net" [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... setpgid resumed>) = 0 [pid 4908] close(3 [pid 4907] close(6 [pid 4906] close(11 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4909] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4908] <... close resumed>) = 0 [pid 3481] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4909] <... symlink resumed>) = 0 [pid 4908] close(4 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4909] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(7 [pid 4906] close(12 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] lstat("./188/cgroup.cpu", [pid 4909] <... symlink resumed>) = 0 [pid 4908] close(5 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4909] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 3481] unlink("./188/cgroup.cpu" [pid 4909] <... symlink resumed>) = 0 [pid 4908] close(6 [pid 4907] close(8 [pid 4906] close(13 [pid 3482] <... close resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] getdents64(3, [pid 4909] <... openat resumed>) = 3 [pid 4908] close(7 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4909] write(3, "1000", 4 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] close(3 [pid 4909] <... write resumed>) = 4 [pid 4908] close(8 [pid 3481] <... close resumed>) = 0 [pid 4909] close(3 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] rmdir("./188" [pid 4909] <... close resumed>) = 0 [pid 4908] close(9 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./190" [pid 3481] <... rmdir resumed>) = 0 [pid 4909] symlink("/dev/binderfs", "./binderfs" [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(9 [pid 4906] close(14 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] mkdir("./189", 0777 [pid 4909] <... symlink resumed>) = 0 [pid 4908] close(10 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./191", 0777 [pid 3481] <... mkdir resumed>) = 0 [pid 4909] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(10 [pid 4906] close(15 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4910 attached [pid 4909] <... socket resumed>) = 3 [pid 4908] close(11 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 4910] set_robust_list(0x5555564df6e0, 24 [pid 4909] close(3 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(11 [pid 4906] close(16 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 192 [pid 4910] <... set_robust_list resumed>) = 0 [pid 4909] <... close resumed>) = 0 [pid 4908] close(12 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4911 attached [pid 4910] chdir("./189" [pid 4909] close(4 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(12 [pid 4906] close(17 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(13 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] set_robust_list(0x5555564df6e0, 24 [pid 4910] <... chdir resumed>) = 0 [pid 4909] close(5 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(13 [pid 4906] close(18 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 194 [pid 4911] <... set_robust_list resumed>) = 0 [pid 4910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(14 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] chdir("./191" [pid 4910] <... prctl resumed>) = 0 [pid 4909] close(6 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(14 [pid 4906] close(19 [pid 4911] <... chdir resumed>) = 0 [pid 4910] setpgid(0, 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(15 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4910] <... setpgid resumed>) = 0 [pid 4909] close(7 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(15 [pid 4906] close(20 [pid 4911] <... prctl resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(16 [pid 4910] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] setpgid(0, 0 [pid 4910] <... symlink resumed>) = 0 [pid 4909] close(8 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(16 [pid 4906] close(21 [pid 4911] <... setpgid resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(17 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4911] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4909] close(9 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(17 [pid 4906] close(22 [pid 4911] <... symlink resumed>) = 0 [pid 4910] <... symlink resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(18 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4909] close(10 [pid 4910] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(18 [pid 4906] close(23 [pid 4911] <... symlink resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(19 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... symlink resumed>) = 0 [pid 4909] close(11 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(19 [pid 4906] close(24 [pid 4911] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(20 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(12 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(20 [pid 4906] close(25 [pid 4911] <... symlink resumed>) = 0 [pid 4910] <... openat resumed>) = 3 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(21 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4910] write(3, "1000", 4 [pid 4909] close(13 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(21 [pid 4906] close(26 [pid 4911] <... openat resumed>) = 3 [pid 4910] <... write resumed>) = 4 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(22 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] write(3, "1000", 4 [pid 4910] close(3 [pid 4909] close(14 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(22 [pid 4906] close(27 [pid 4911] <... write resumed>) = 4 [pid 4910] <... close resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(23 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(3 [pid 4910] symlink("/dev/binderfs", "./binderfs" [pid 4909] close(15 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(23 [pid 4906] close(28 [pid 4911] <... close resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(24 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... symlink resumed>) = 0 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] symlink("/dev/binderfs", "./binderfs" [pid 4909] close(16 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(24 [pid 4906] close(29 [pid 4911] <... symlink resumed>) = 0 [pid 4910] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(25 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4911] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4910] <... socket resumed>) = 3 [pid 4909] close(17 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(25 [pid 4906] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(26 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... write resumed>) = 335 [pid 4911] <... socket resumed>) = 3 [pid 4910] close(3 [pid 4909] close(18 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(26 [pid 4906] exit_group(0 [pid 4911] close(3 [pid 4910] <... close resumed>) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(27 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... exit_group resumed>) = ? [pid 4911] <... close resumed>) = 0 [pid 4910] close(4 [pid 4909] close(19 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(27 [pid 4906] +++ exited with 0 +++ [pid 4911] close(4 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(28 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(5 [pid 4909] close(20 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(28 [pid 4911] close(5 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(29 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(6 [pid 4909] close(21 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4907] close(29 [pid 4911] close(6 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(7 [pid 4909] close(22 [pid 4908] <... write resumed>) = 335 [pid 4907] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4911] close(7write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(8 [pid 4909] close(23 [pid 4908] exit_group(0 [pid 4907] <... write resumed>) = 335 [pid 4911] close(8 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] <... exit_group resumed>) = ? [pid 4907] exit_group(0 [pid 3486] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(9 [pid 4909] close(24 [pid 4911] close(9 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... exit_group resumed>) = ? [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(10 [pid 4909] close(25 [pid 4908] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] close(10 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] +++ exited with 0 +++ [pid 3486] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(11 [pid 4909] close(26 [pid 3486] <... openat resumed>) = 3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4911] close(11 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(12 [pid 4909] close(27 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 4911] close(12) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(28 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] close(13 [pid 4910] close(13 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4911] close(14 [pid 4910] close(14 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./208/binderfs", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 4911] close(15 [pid 4910] close(15 [pid 4909] <... write resumed>) = 335 [pid 3486] unlink("./208/binderfs" [pid 3485] fstat(3, [pid 3484] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] close(16 [pid 4910] close(16 [pid 4909] <... exit_group resumed>) = ? [pid 3486] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3484] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... openat resumed>) = 3 [pid 4911] close(17 [pid 4910] close(17 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] +++ exited with 0 +++ [pid 3486] lstat("./208/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4910] close(18 [pid 3485] lstat("./205/binderfs", [pid 3484] getdents64(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4911] close(18 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(19 [pid 3486] unlink("./208/cgroup" [pid 3485] unlink("./205/binderfs" [pid 3484] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] close(19 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4910] close(20 [pid 3485] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./200/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4911] close(20 [pid 4910] close(21 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./205/cgroup", [pid 3484] unlink("./200/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./208/cgroup.net", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 4911] close(21 [pid 4910] close(22 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./205/cgroup" [pid 3484] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./208/cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 4911] close(22 [pid 4910] close(23 [pid 3485] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./200/cgroup", [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] close(23 [pid 4910] close(24 [pid 3486] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./205/cgroup.net", [pid 3484] unlink("./200/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./197/binderfs", [pid 4910] close(25 [pid 3485] unlink("./205/cgroup.net" [pid 3484] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4911] close(24 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./197/binderfs" [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(26 [pid 3486] lstat("./208/cgroup.cpu", [pid 3485] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./200/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 4911] close(25 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(27 [pid 3486] unlink("./208/cgroup.cpu" [pid 3485] lstat("./205/cgroup.cpu", [pid 3484] unlink("./200/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] close(26 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(28 [pid 3486] getdents64(3, [pid 3485] unlink("./205/cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./197/cgroup", [pid 4911] close(27 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(29 [pid 3486] close(3 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./197/cgroup" [pid 4911] close(28 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./200/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] rmdir("./208" [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] close(29 [pid 4910] <... write resumed>) = 335 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./200/cgroup.cpu" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] exit_group(0 [pid 3486] mkdir("./209", 0777 [pid 3485] rmdir("./205" [pid 4911] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4910] <... exit_group resumed>) = ? [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./197/cgroup.net", [pid 4911] <... write resumed>) = 335 [pid 3485] mkdir("./206", 0777 [pid 4911] exit_group(0 [pid 4910] +++ exited with 0 +++ [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... mkdir resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4911] <... exit_group resumed>) = ? [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4913 attached ./strace-static-x86_64: Process 4912 attached [pid 4911] +++ exited with 0 +++ [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] unlink("./197/cgroup.net" [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4913] set_robust_list(0x5555564df6e0, 24 [pid 4912] set_robust_list(0x5555564df6e0, 24 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 209 [pid 3484] close(3 [pid 4912] <... set_robust_list resumed>) = 0 [pid 4912] chdir("./209" [pid 3483] <... unlink resumed>) = 0 [pid 4913] <... set_robust_list resumed>) = 0 [pid 4912] <... chdir resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4913] chdir("./206" [pid 4912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 212 [pid 3484] rmdir("./200" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4912] <... prctl resumed>) = 0 [pid 4913] <... chdir resumed>) = 0 [pid 4912] setpgid(0, 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] lstat("./197/cgroup.cpu", [pid 3481] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4912] <... setpgid resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4912] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3481] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4913] <... prctl resumed>) = 0 [pid 4912] <... symlink resumed>) = 0 [pid 3484] mkdir("./201", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... openat resumed>) = 3 [pid 4912] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3481] fstat(3, [pid 4913] setpgid(0, 0 [pid 4912] <... symlink resumed>) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4912] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3481] getdents64(3, [pid 4913] <... setpgid resumed>) = 0 [pid 4912] <... symlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./197/cgroup.cpu" [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3481] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4913] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4912] <... openat resumed>) = 3 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4912] write(3, "1000", 4 [pid 3481] lstat("./189/binderfs", [pid 4912] <... write resumed>) = 4 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4912] close(3 [pid 3481] unlink("./189/binderfs"./strace-static-x86_64: Process 4914 attached [pid 4912] <... close resumed>) = 0 [pid 3482] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4914] set_robust_list(0x5555564df6e0, 24 [pid 4913] <... symlink resumed>) = 0 [pid 4912] symlink("/dev/binderfs", "./binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3481] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4914] <... set_robust_list resumed>) = 0 [pid 4913] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4912] <... symlink resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4914] chdir("./201" [pid 4912] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3481] lstat("./189/cgroup", [pid 4914] <... chdir resumed>) = 0 [pid 4912] <... socket resumed>) = 3 [pid 3483] close(3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4912] close(3 [pid 3482] <... openat resumed>) = 3 [pid 3481] unlink("./189/cgroup" [pid 4914] <... prctl resumed>) = 0 [pid 4913] <... symlink resumed>) = 0 [pid 4912] <... close resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] fstat(3, [pid 3481] <... unlink resumed>) = 0 [pid 4914] setpgid(0, 0 [pid 4913] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4912] close(4 [pid 3483] rmdir("./197" [pid 3481] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4914] <... setpgid resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4914] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4913] <... symlink resumed>) = 0 [pid 4912] close(5 [pid 3481] lstat("./189/cgroup.net", [pid 4914] <... symlink resumed>) = 0 [pid 4913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] getdents64(3, [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4914] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4913] <... openat resumed>) = 3 [pid 4912] close(6 [pid 3483] mkdir("./198", 0777 [pid 3481] unlink("./189/cgroup.net" [pid 4914] <... symlink resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... unlink resumed>) = 0 [pid 4914] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4912] close(7 [pid 3481] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4914] <... symlink resumed>) = 0 [pid 4913] write(3, "1000", 4 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4913] <... write resumed>) = 4 [pid 4912] close(8 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./189/cgroup.cpu", [pid 4914] <... openat resumed>) = 3 [pid 4913] close(3 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./191/binderfs", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4914] write(3, "1000", 4 [pid 4912] close(9 [pid 3481] unlink("./189/cgroup.cpu"./strace-static-x86_64: Process 4915 attached [pid 4914] <... write resumed>) = 4 [pid 4913] <... close resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4915] set_robust_list(0x5555564df6e0, 24 [pid 4914] close(3 [pid 4912] close(10 [pid 4913] symlink("/dev/binderfs", "./binderfs" [pid 3481] getdents64(3, [pid 4915] <... set_robust_list resumed>) = 0 [pid 4914] <... close resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 201 [pid 3482] unlink("./191/binderfs" [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4915] chdir("./198" [pid 4914] symlink("/dev/binderfs", "./binderfs" [pid 4913] <... symlink resumed>) = 0 [pid 4912] close(11 [pid 3481] close(3 [pid 4915] <... chdir resumed>) = 0 [pid 4914] <... symlink resumed>) = 0 [pid 4913] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... close resumed>) = 0 [pid 4915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4914] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4913] <... socket resumed>) = 3 [pid 4912] close(12 [pid 3482] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] rmdir("./189" [pid 4915] <... prctl resumed>) = 0 [pid 4914] <... socket resumed>) = 3 [pid 4913] close(3 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... rmdir resumed>) = 0 [pid 4915] setpgid(0, 0 [pid 4914] close(3 [pid 4913] <... close resumed>) = 0 [pid 4912] close(13 [pid 3482] lstat("./191/cgroup", [pid 3481] mkdir("./190", 0777 [pid 4915] <... setpgid resumed>) = 0 [pid 4914] <... close resumed>) = 0 [pid 4913] close(4 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4915] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4914] close(4 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(14 [pid 3482] unlink("./191/cgroup" [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4916 attached [pid 4915] <... symlink resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(5 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4916] set_robust_list(0x5555564df6e0, 24 [pid 4915] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4914] close(5 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(15 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 193 [pid 4916] <... set_robust_list resumed>) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(6 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] chdir("./190" [pid 4915] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4914] close(6 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(16 [pid 4916] <... chdir resumed>) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(7 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4914] close(7 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(17 [pid 3482] lstat("./191/cgroup.net", [pid 4916] <... prctl resumed>) = 0 [pid 4915] <... openat resumed>) = 3 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(8 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] setpgid(0, 0 [pid 4915] write(3, "1000", 4 [pid 4914] close(8 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(18 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4916] <... setpgid resumed>) = 0 [pid 4915] <... write resumed>) = 4 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(9 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./191/cgroup.net" [pid 4916] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4915] close(3 [pid 4914] close(9 [pid 4912] close(19 [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... close resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4915] symlink("/dev/binderfs", "./binderfs" [pid 4914] close(10 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(20 [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(10 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4916] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4915] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4914] close(11 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(21 [pid 3482] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... socket resumed>) = 3 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(11 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4915] close(3 [pid 4914] close(12 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(22 [pid 4916] <... openat resumed>) = 3 [pid 4915] <... close resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(12 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./191/cgroup.cpu", [pid 4916] write(3, "1000", 4 [pid 4915] close(4 [pid 4914] close(13 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(23 [pid 4916] <... write resumed>) = 4 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(13 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4916] close(3 [pid 4915] close(5 [pid 4914] close(14 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./191/cgroup.cpu" [pid 4916] <... close resumed>) = 0 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(14 [pid 4912] close(24 [pid 3482] <... unlink resumed>) = 0 [pid 4916] symlink("/dev/binderfs", "./binderfs" [pid 4915] close(6 [pid 4914] close(15 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 4913] close(15 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(25 [pid 3482] close(3 [pid 4916] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4915] close(7 [pid 4914] close(16 [pid 4913] close(16 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./191" [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(17 [pid 4912] close(26 [pid 3482] <... rmdir resumed>) = 0 [pid 4916] <... socket resumed>) = 3 [pid 4915] close(8 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(17 [pid 3482] mkdir("./192", 0777 [pid 4916] close(3 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(18 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 4916] <... close resumed>) = 0 [pid 4915] close(9 [pid 4914] close(18 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(27 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4917 attached [pid 4916] close(4 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(19 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] set_robust_list(0x5555564df6e0, 24 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(10 [pid 4914] close(19 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(28 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 195 [pid 4917] <... set_robust_list resumed>) = 0 [pid 4916] close(5 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(20 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] chdir("./192" [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(11 [pid 4914] close(20 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(29 [pid 4917] <... chdir resumed>) = 0 [pid 4916] close(6 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(21 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(12 [pid 4914] close(21 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... prctl resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4916] close(7 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(22 [pid 4912] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4917] setpgid(0, 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(13 [pid 4914] close(22 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... write resumed>) = 335 [pid 4917] <... setpgid resumed>) = 0 [pid 4916] close(8 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(23 [pid 4912] exit_group(0 [pid 4917] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(14 [pid 4914] close(23 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... exit_group resumed>) = ? [pid 4917] <... symlink resumed>) = 0 [pid 4916] close(9 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(24 [pid 4917] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... symlink resumed>) = 0 [pid 4913] close(25 [pid 4914] close(24 [pid 4912] +++ exited with 0 +++ [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4915] close(15 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4916] close(10 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... symlink resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(25 [pid 4913] close(26 [pid 4917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4916] close(11 [pid 4915] close(16 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... openat resumed>) = 3 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(26 [pid 4913] close(27 [pid 3486] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] write(3, "1000", 4 [pid 4916] close(12 [pid 4915] close(17 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] <... write resumed>) = 4 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(27 [pid 4913] close(28 [pid 3486] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4917] close(3 [pid 4916] close(13 [pid 4915] close(18 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 4917] <... close resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(28 [pid 4913] close(29 [pid 3486] fstat(3, [pid 4917] symlink("/dev/binderfs", "./binderfs" [pid 4916] close(14 [pid 4915] close(19 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4917] <... symlink resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(29 [pid 3486] getdents64(3, [pid 4917] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4916] close(15 [pid 4915] close(20 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4917] <... socket resumed>) = 3 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4913] <... write resumed>) = 335 [pid 3486] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] close(3 [pid 4916] close(16 [pid 4915] close(21 [pid 4914] <... write resumed>) = 335 [pid 4913] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] <... close resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] exit_group(0 [pid 4913] <... exit_group resumed>) = ? [pid 3486] lstat("./209/binderfs", [pid 4917] close(4 [pid 4916] close(17 [pid 4915] close(22 [pid 4914] <... exit_group resumed>) = ? [pid 4913] +++ exited with 0 +++ [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4917] close(5) = -1 EBADF (Bad file descriptor) [pid 4917] close(6 [pid 4916] close(18 [pid 4915] close(23 [pid 3486] unlink("./209/binderfs" [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] +++ exited with 0 +++ [pid 4917] close(7 [pid 4916] close(19 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(8 [pid 4916] close(20 [pid 4915] close(24 [pid 3486] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 4917] close(9 [pid 4916] close(21 [pid 4915] close(25 [pid 3486] lstat("./209/cgroup", [pid 3485] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... restart_syscall resumed>) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] close(10 [pid 4916] close(22 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4915] close(26 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./209/cgroup" [pid 3485] <... openat resumed>) = 3 [pid 4917] close(11 [pid 4916] close(23 [pid 4915] close(27 [pid 3485] fstat(3, [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] close(12 [pid 4916] close(24 [pid 4915] close(28 [pid 3486] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] close(13 [pid 4916] close(25 [pid 4915] close(29 [pid 3486] lstat("./209/cgroup.net", [pid 3485] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 4917] close(14 [pid 4916] close(26write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4915] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] unlink("./209/cgroup.net" [pid 3485] lstat("./206/binderfs", [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... write resumed>) = 335 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] fstat(3, [pid 4917] close(15 [pid 4916] close(27 [pid 4915] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./206/binderfs" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... exit_group resumed>) = ? [pid 3486] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 4917] close(16 [pid 4916] close(28 [pid 4915] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./209/cgroup.cpu", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] close(17 [pid 4916] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./206/cgroup", [pid 3484] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./209/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4917] close(18 [pid 4916] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./206/cgroup" [pid 3484] lstat("./201/binderfs", [pid 3483] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... write resumed>) = 335 [pid 3486] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] close(19 [pid 4916] exit_group(0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./201/binderfs" [pid 3483] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... exit_group resumed>) = ? [pid 3486] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 4917] close(20 [pid 3484] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] lstat("./201/cgroup", [pid 3483] getdents64(3, [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] +++ exited with 0 +++ [pid 3486] <... close resumed>) = 0 [pid 3485] lstat("./206/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4917] close(21 [pid 3484] unlink("./201/cgroup" [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./209" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4917] close(22 [pid 3484] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./198/binderfs", [pid 3481] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./201/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./206/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./198/binderfs" [pid 3481] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4917] close(23 [pid 3486] mkdir("./210", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./201/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... openat resumed>) = 3 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] fstat(3, [pid 4917] close(24 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./206/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./198/cgroup", [pid 3481] getdents64(3, ./strace-static-x86_64: Process 4918 attached [pid 4917] close(25 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./201/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4918] set_robust_list(0x5555564df6e0, 24 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 213 [pid 3485] unlink("./206/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./198/cgroup" [pid 3481] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4918] <... set_robust_list resumed>) = 0 [pid 4917] close(26 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./201/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] chdir("./210" [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 4917] close(27 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4918] <... chdir resumed>) = 0 [pid 3481] lstat("./190/binderfs", [pid 4918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4917] close(28 [pid 3485] <... close resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] <... prctl resumed>) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./206" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./198/cgroup.net", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4918] setpgid(0, 0 [pid 4917] close(29 [pid 3485] <... rmdir resumed>) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./207", 0777write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] unlink("./190/binderfs" [pid 4918] <... setpgid resumed>) = 0 [pid 4917] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... mkdir resumed>) = 0 [pid 4917] <... write resumed>) = 335 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./198/cgroup.net"./strace-static-x86_64: Process 4919 attached [pid 4918] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4917] exit_group(0 [pid 3484] rmdir("./201" [pid 3481] <... unlink resumed>) = 0 [pid 4917] <... exit_group resumed>) = ? [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 210 [pid 4919] set_robust_list(0x5555564df6e0, 24 [pid 4918] <... symlink resumed>) = 0 [pid 4917] +++ exited with 0 +++ [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3481] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4919] <... set_robust_list resumed>) = 0 [pid 3483] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4919] chdir("./207" [pid 4918] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] mkdir("./202", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./190/cgroup", [pid 4919] <... chdir resumed>) = 0 [pid 3483] lstat("./198/cgroup.cpu", [pid 4918] <... symlink resumed>) = 0 [pid 4919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3482] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4919] <... prctl resumed>) = 0 [pid 4918] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./198/cgroup.cpu" [pid 3482] fstat(3, [pid 3481] unlink("./190/cgroup" [pid 4919] setpgid(0, 0 [pid 4918] <... symlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4919] <... setpgid resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 4919] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] lstat("./192/binderfs", [pid 3481] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4919] <... symlink resumed>) = 0 [pid 3482] unlink("./192/binderfs" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4920 attached [pid 4919] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4918] <... openat resumed>) = 3 [pid 3483] close(3 [pid 3482] <... unlink resumed>) = 0 [pid 4920] set_robust_list(0x5555564df6e0, 24 [pid 3482] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./190/cgroup.net", [pid 4920] <... set_robust_list resumed>) = 0 [pid 4919] <... symlink resumed>) = 0 [pid 4918] write(3, "1000", 4 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 3483] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4920] chdir("./202" [pid 4919] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4918] <... write resumed>) = 4 [pid 3482] lstat("./192/cgroup", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4920] <... chdir resumed>) = 0 [pid 3483] rmdir("./198" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4919] <... symlink resumed>) = 0 [pid 4918] close(3 [pid 3482] unlink("./192/cgroup" [pid 3481] unlink("./190/cgroup.net" [pid 4920] <... prctl resumed>) = 0 [pid 4919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4918] <... close resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4920] setpgid(0, 0 [pid 4919] <... openat resumed>) = 3 [pid 4918] symlink("/dev/binderfs", "./binderfs" [pid 3483] mkdir("./199", 0777 [pid 3482] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4920] <... setpgid resumed>) = 0 [pid 4919] write(3, "1000", 4 [pid 4918] <... symlink resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4919] <... write resumed>) = 4 [pid 4918] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] lstat("./190/cgroup.cpu", ./strace-static-x86_64: Process 4921 attached [pid 4920] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4919] close(3 [pid 4918] <... socket resumed>) = 3 [pid 3482] lstat("./192/cgroup.net", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4921] set_robust_list(0x5555564df6e0, 24 [pid 4919] <... close resumed>) = 0 [pid 4918] close(3 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 202 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] unlink("./190/cgroup.cpu" [pid 4921] <... set_robust_list resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] symlink("/dev/binderfs", "./binderfs" [pid 4918] <... close resumed>) = 0 [pid 3482] unlink("./192/cgroup.net" [pid 3481] <... unlink resumed>) = 0 [pid 4921] chdir("./199" [pid 4920] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4919] <... symlink resumed>) = 0 [pid 4918] close(4 [pid 3481] getdents64(3, [pid 4921] <... chdir resumed>) = 0 [pid 4919] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... socket resumed>) = 3 [pid 4918] close(5 [pid 3482] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] close(3 [pid 4921] <... prctl resumed>) = 0 [pid 4920] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4919] close(3 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... close resumed>) = 0 [pid 4921] setpgid(0, 0 [pid 4919] <... close resumed>) = 0 [pid 4918] close(6 [pid 3481] rmdir("./190" [pid 4921] <... setpgid resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] close(4 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./192/cgroup.cpu", [pid 3481] <... rmdir resumed>) = 0 [pid 4921] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(7 [pid 3481] mkdir("./191", 0777 [pid 4921] <... symlink resumed>) = 0 [pid 4920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4919] close(5 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4921] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4920] <... openat resumed>) = 3 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(8 [pid 3482] unlink("./192/cgroup.cpu" [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4922 attached [pid 4921] <... symlink resumed>) = 0 [pid 4920] write(3, "1000", 4 [pid 4919] close(6 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4922] set_robust_list(0x5555564df6e0, 24 [pid 4921] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4920] <... write resumed>) = 4 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(9 [pid 3482] getdents64(3, [pid 4922] <... set_robust_list resumed>) = 0 [pid 4920] close(3 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 194 [pid 4922] chdir("./191" [pid 4921] <... symlink resumed>) = 0 [pid 4920] <... close resumed>) = 0 [pid 4919] close(7 [pid 3482] close(3 [pid 4922] <... chdir resumed>) = 0 [pid 4920] symlink("/dev/binderfs", "./binderfs" [pid 3482] <... close resumed>) = 0 [pid 4922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] rmdir("./192" [pid 4922] <... prctl resumed>) = 0 [pid 4921] <... openat resumed>) = 3 [pid 4920] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4919] close(8 [pid 4918] close(10 [pid 3482] <... rmdir resumed>) = 0 [pid 4922] setpgid(0, 0 [pid 4921] write(3, "1000", 4 [pid 4920] <... socket resumed>) = 3 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./193", 0777 [pid 4922] <... setpgid resumed>) = 0 [pid 4921] <... write resumed>) = 4 [pid 4920] close(3 [pid 4919] close(9 [pid 4918] close(11 [pid 3482] <... mkdir resumed>) = 0 [pid 4922] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4921] close(3 [pid 4920] <... close resumed>) = 0 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... symlink resumed>) = 0 [pid 4920] close(4 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4922] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4923 attached [pid 4922] <... symlink resumed>) = 0 [pid 4921] <... close resumed>) = 0 [pid 4920] close(5 [pid 4919] close(10 [pid 4918] close(12 [pid 4923] set_robust_list(0x5555564df6e0, 24 [pid 4922] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4921] symlink("/dev/binderfs", "./binderfs" [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... set_robust_list resumed>) = 0 [pid 4922] <... symlink resumed>) = 0 [pid 4920] close(6 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 196 [pid 4922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] chdir("./193" [pid 4922] <... openat resumed>) = 3 [pid 4921] <... symlink resumed>) = 0 [pid 4920] close(7 [pid 4919] close(11 [pid 4918] close(13 [pid 4923] <... chdir resumed>) = 0 [pid 4922] write(3, "1000", 4 [pid 4921] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4922] <... write resumed>) = 4 [pid 4921] <... socket resumed>) = 3 [pid 4920] close(8 [pid 4919] close(12 [pid 4918] close(14 [pid 4923] <... prctl resumed>) = 0 [pid 4922] close(3 [pid 4921] close(3 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] setpgid(0, 0 [pid 4922] <... close resumed>) = 0 [pid 4921] <... close resumed>) = 0 [pid 4920] close(9 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... setpgid resumed>) = 0 [pid 4922] symlink("/dev/binderfs", "./binderfs" [pid 4921] close(4 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] close(13 [pid 4918] close(15 [pid 4923] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4922] <... symlink resumed>) = 0 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] close(10 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... symlink resumed>) = 0 [pid 4922] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4921] close(5 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] close(14 [pid 4918] close(16 [pid 4923] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4922] <... socket resumed>) = 3 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] close(11 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... symlink resumed>) = 0 [pid 4922] close(3 [pid 4921] close(6 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] close(15 [pid 4918] close(17 [pid 4923] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4922] <... close resumed>) = 0 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] close(12 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... symlink resumed>) = 0 [pid 4921] close(7 [pid 4919] close(16 [pid 4918] close(18 [pid 4923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4922] close(4 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... openat resumed>) = 3 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(8 [pid 4920] close(13 [pid 4919] close(17 [pid 4918] close(19 [pid 4923] write(3, "1000", 4 [pid 4922] close(5 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... write resumed>) = 4 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(9 [pid 4920] close(14 [pid 4919] close(18 [pid 4918] close(20 [pid 4923] close(3 [pid 4922] close(6 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = 0 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(10 [pid 4920] close(15 [pid 4919] close(19 [pid 4918] close(21 [pid 4923] symlink("/dev/binderfs", "./binderfs" [pid 4922] close(7 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... symlink resumed>) = 0 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(11 [pid 4920] close(16 [pid 4919] close(20 [pid 4918] close(22 [pid 4923] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4922] close(8 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... socket resumed>) = 3 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(12 [pid 4920] close(17 [pid 4919] close(21 [pid 4918] close(23 [pid 4923] close(3 [pid 4922] close(9 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = 0 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(13 [pid 4920] close(18 [pid 4919] close(22 [pid 4918] close(24 [pid 4923] close(4 [pid 4922] close(10 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(14 [pid 4920] close(19 [pid 4919] close(23 [pid 4918] close(25 [pid 4923] close(5 [pid 4922] close(11 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(15 [pid 4920] close(20 [pid 4919] close(24 [pid 4918] close(26 [pid 4923] close(6 [pid 4922] close(12 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(16 [pid 4920] close(21 [pid 4919] close(25 [pid 4918] close(27 [pid 4923] close(7 [pid 4922] close(13 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(17 [pid 4920] close(22 [pid 4919] close(26 [pid 4918] close(28 [pid 4923] close(8 [pid 4922] close(14 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(18 [pid 4920] close(23 [pid 4919] close(27 [pid 4918] close(29 [pid 4923] close(9 [pid 4922] close(15 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(19 [pid 4920] close(24 [pid 4919] close(28 [pid 4918] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4923] close(10 [pid 4922] close(16 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... write resumed>) = 335 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(20 [pid 4920] close(25 [pid 4919] close(29 [pid 4918] exit_group(0 [pid 4923] close(11 [pid 4922] close(17 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(21 [pid 4920] close(26 [pid 4919] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4918] +++ exited with 0 +++ [pid 4923] close(12 [pid 4922] close(18 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... write resumed>) = 335 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(22 [pid 4920] close(27 [pid 4919] exit_group(0 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4923] close(13 [pid 4922] close(19 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(23 [pid 4919] <... exit_group resumed>) = ? [pid 3486] <... restart_syscall resumed>) = 0 [pid 4923] close(14 [pid 4922] close(20 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] close(28 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] close(21) = -1 EBADF (Bad file descriptor) [pid 4922] close(22) = -1 EBADF (Bad file descriptor) [pid 4922] close(23) = -1 EBADF (Bad file descriptor) [pid 4922] close(24) = -1 EBADF (Bad file descriptor) [pid 4922] close(25) = -1 EBADF (Bad file descriptor) [pid 4922] close(26 [pid 4919] +++ exited with 0 +++ [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(24 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(15 [pid 4922] close(27 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] close(29 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(25 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] restart_syscall(<... resuming interrupted clone ...>write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4923] close(16 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... restart_syscall resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] close(28 [pid 4921] close(26 [pid 4920] <... write resumed>) = 335 [pid 3486] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4923] close(17 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] exit_group(0 [pid 3486] <... openat resumed>) = 3 [pid 4922] close(29) = -1 EBADF (Bad file descriptor) [pid 4922] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... write resumed>) = 335 [pid 4921] close(27 [pid 4923] close(18 [pid 4922] exit_group(0 [pid 4920] <... exit_group resumed>) = ? [pid 3486] fstat(3, [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... exit_group resumed>) = ? [pid 4923] close(19 [pid 4922] +++ exited with 0 +++ [pid 4921] close(28 [pid 4920] +++ exited with 0 +++ [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4923] close(20 [pid 4921] close(29 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] <... openat resumed>) = 3 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... restart_syscall resumed>) = 0 [pid 4923] close(21) = -1 EBADF (Bad file descriptor) [pid 4921] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 3481] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] close(22 [pid 4921] <... write resumed>) = 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] exit_group(0 [pid 3486] lstat("./210/binderfs", [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4923] close(23 [pid 4921] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... openat resumed>) = 3 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] +++ exited with 0 +++ [pid 3486] unlink("./210/binderfs" [pid 3485] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3481] fstat(3, [pid 4923] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./207/binderfs", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3481] getdents64(3, [pid 4923] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] <... restart_syscall resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./210/cgroup", [pid 3485] unlink("./207/binderfs" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./210/cgroup" [pid 3485] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./191/binderfs", [pid 4923] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./202/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./207/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] unlink("./191/binderfs" [pid 4923] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./202/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 3481] <... unlink resumed>) = 0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./210/cgroup.net", [pid 3485] unlink("./207/cgroup" [pid 4923] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./210/cgroup.net" [pid 3483] getdents64(3, [pid 4923] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] exit_group(0 [pid 3486] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./207/cgroup.net", [pid 3484] lstat("./202/cgroup", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] +++ exited with 0 +++ [pid 3486] lstat("./210/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./199/binderfs", [pid 3481] lstat("./191/cgroup", [pid 3486] unlink("./210/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./207/cgroup.net" [pid 3484] unlink("./202/cgroup" [pid 3483] unlink("./199/binderfs" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3482] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] getdents64(3, 0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./191/cgroup" [pid 3482] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./193/binderfs" [pid 3481] <... unlink resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] close(3 [pid 3485] lstat("./207/cgroup.cpu", [pid 3484] lstat("./202/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./193/cgroup", [pid 3481] lstat("./191/cgroup.net", [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./199/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] rmdir("./210" [pid 3485] unlink("./207/cgroup.cpu" [pid 3484] unlink("./202/cgroup.net" [pid 3482] unlink("./193/cgroup" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3482] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./191/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./193/cgroup.net" [pid 3483] unlink("./199/cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3482] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./193/cgroup.cpu", [pid 3486] mkdir("./211", 0777 [pid 3485] getdents64(3, [pid 3484] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3485] close(3 [pid 3484] lstat("./202/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./193/cgroup.cpu" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./199/cgroup.net", [pid 3482] <... unlink resumed>) = 0 [pid 3481] lstat("./191/cgroup.cpu", ./strace-static-x86_64: Process 4924 attached [pid 3485] rmdir("./207" [pid 3484] unlink("./202/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] getdents64(3, [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4924] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 214 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./199/cgroup.net" [pid 3481] unlink("./191/cgroup.cpu" [pid 4924] <... set_robust_list resumed>) = 0 [pid 3485] mkdir("./208", 0777 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4924] chdir("./211" [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] close(3 [pid 3481] <... unlink resumed>) = 0 [pid 4924] <... chdir resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 4924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3482] rmdir("./193" [pid 3481] getdents64(3, ./strace-static-x86_64: Process 4925 attached [pid 4924] <... prctl resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./199/cgroup.cpu", [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4925] set_robust_list(0x5555564df6e0, 24 [pid 4924] setpgid(0, 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 211 [pid 3484] rmdir("./202" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] close(3 [pid 4925] <... set_robust_list resumed>) = 0 [pid 4924] <... setpgid resumed>) = 0 [pid 3482] mkdir("./194", 0777 [pid 4925] chdir("./208" [pid 4924] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./199/cgroup.cpu" [pid 3481] <... close resumed>) = 0 [pid 4925] <... chdir resumed>) = 0 [pid 3484] mkdir("./203", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 3481] rmdir("./191" [pid 4925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4924] <... symlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... mkdir resumed>) = 0 [pid 3481] <... rmdir resumed>) = 0 [pid 4925] <... prctl resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4924] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] mkdir("./192", 0777./strace-static-x86_64: Process 4926 attached [pid 4925] setpgid(0, 0 [pid 4924] <... symlink resumed>) = 0 [pid 3483] close(3 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... mkdir resumed>) = 0 [pid 4926] set_robust_list(0x5555564df6e0, 24 [pid 4925] <... setpgid resumed>) = 0 [pid 4924] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 206 [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 4927 attached [pid 4926] <... set_robust_list resumed>) = 0 [pid 4925] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4924] <... symlink resumed>) = 0 [pid 3483] rmdir("./199" [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 197 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4927] set_robust_list(0x5555564df6e0, 24 [pid 4926] chdir("./203" [pid 4924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4926] <... chdir resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 4924] <... openat resumed>) = 3 [pid 4926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4924] write(3, "1000", 4 [pid 4927] <... set_robust_list resumed>) = 0 [pid 4926] <... prctl resumed>) = 0 [pid 4925] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4924] <... write resumed>) = 4 [pid 3483] <... rmdir resumed>) = 0 [pid 4926] setpgid(0, 0 [pid 4924] close(3./strace-static-x86_64: Process 4928 attached [pid 4926] <... setpgid resumed>) = 0 [pid 4924] <... close resumed>) = 0 [pid 4927] chdir("./194" [pid 4928] set_robust_list(0x5555564df6e0, 24 [pid 4927] <... chdir resumed>) = 0 [pid 4926] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4925] <... symlink resumed>) = 0 [pid 4924] symlink("/dev/binderfs", "./binderfs" [pid 3483] mkdir("./200", 0777 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 195 [pid 4928] <... set_robust_list resumed>) = 0 [pid 4927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4926] <... symlink resumed>) = 0 [pid 4925] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4924] <... symlink resumed>) = 0 [pid 4928] chdir("./192" [pid 4926] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4924] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4928] <... chdir resumed>) = 0 [pid 4927] <... prctl resumed>) = 0 [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 4924] <... socket resumed>) = 3 [pid 3483] <... mkdir resumed>) = 0 [pid 4928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4927] setpgid(0, 0 [pid 4926] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4924] close(3 [pid 4928] <... prctl resumed>) = 0 [pid 4927] <... setpgid resumed>) = 0 [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... openat resumed>) = 3 [pid 4924] <... close resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4928] setpgid(0, 0 [pid 4927] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4924] close(4 [pid 4925] write(3, "1000", 4./strace-static-x86_64: Process 4929 attached [pid 4928] <... setpgid resumed>) = 0 [pid 4926] <... openat resumed>) = 3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] set_robust_list(0x5555564df6e0, 24 [pid 4928] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4927] <... symlink resumed>) = 0 [pid 4926] write(3, "1000", 4 [pid 4925] <... write resumed>) = 4 [pid 4924] close(5 [pid 4929] <... set_robust_list resumed>) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 4926] <... write resumed>) = 4 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 4929] chdir("./200" [pid 4928] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4926] close(3 [pid 4925] close(3 [pid 4924] close(6 [pid 4929] <... chdir resumed>) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... close resumed>) = 0 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4928] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4927] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4926] symlink("/dev/binderfs", "./binderfs" [pid 4925] <... close resumed>) = 0 [pid 4924] close(7 [pid 4929] <... prctl resumed>) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... symlink resumed>) = 0 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] setpgid(0, 0 [pid 4928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4926] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4925] symlink("/dev/binderfs", "./binderfs" [pid 4924] close(8 [pid 4929] <... setpgid resumed>) = 0 [pid 4928] <... openat resumed>) = 3 [pid 4926] <... socket resumed>) = 3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4928] write(3, "1000", 4 [pid 4927] <... openat resumed>) = 3 [pid 4926] close(3 [pid 4925] <... symlink resumed>) = 0 [pid 4924] close(9 [pid 4929] <... symlink resumed>) = 0 [pid 4928] <... write resumed>) = 4 [pid 4927] write(3, "1000", 4 [pid 4926] <... close resumed>) = 0 [pid 4925] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4928] close(3 [pid 4927] <... write resumed>) = 4 [pid 4926] close(4 [pid 4924] close(10 [pid 4929] <... symlink resumed>) = 0 [pid 4928] <... close resumed>) = 0 [pid 4927] close(3 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... socket resumed>) = 3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4928] symlink("/dev/binderfs", "./binderfs" [pid 4926] close(5 [pid 4924] close(11 [pid 4929] <... symlink resumed>) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... close resumed>) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4928] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4927] symlink("/dev/binderfs", "./binderfs" [pid 4926] close(6 [pid 4924] close(12 [pid 4929] <... openat resumed>) = 3 [pid 4928] <... socket resumed>) = 3 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = 0 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] write(3, "1000", 4 [pid 4928] close(3 [pid 4927] <... symlink resumed>) = 0 [pid 4926] close(7 [pid 4925] close(4 [pid 4924] close(13 [pid 4929] <... write resumed>) = 4 [pid 4928] <... close resumed>) = 0 [pid 4927] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(3 [pid 4928] close(4 [pid 4927] <... socket resumed>) = 3 [pid 4926] close(8 [pid 4925] close(5 [pid 4924] close(14 [pid 4929] <... close resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(3 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] symlink("/dev/binderfs", "./binderfs" [pid 4928] close(5 [pid 4927] <... close resumed>) = 0 [pid 4926] close(9 [pid 4925] close(6 [pid 4924] close(15 [pid 4929] <... symlink resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(4 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4928] close(6 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(10 [pid 4925] close(7 [pid 4924] close(16 [pid 4929] <... socket resumed>) = 3 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(5 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(3 [pid 4928] close(7 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(11 [pid 4925] close(8 [pid 4924] close(17 [pid 4929] <... close resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(6 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(4 [pid 4928] close(8 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(12 [pid 4925] close(9 [pid 4924] close(18 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(7 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(5 [pid 4928] close(9 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(13 [pid 4925] close(10 [pid 4924] close(19 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(8 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(6 [pid 4928] close(10 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(14 [pid 4925] close(11 [pid 4924] close(20 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(9 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(7 [pid 4928] close(11 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(15 [pid 4925] close(12 [pid 4924] close(21 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(8 [pid 4928] close(12 [pid 4926] close(16 [pid 4925] close(13 [pid 4924] close(22 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(10 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(9 [pid 4928] close(13 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(17 [pid 4925] close(14 [pid 4924] close(23 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(10 [pid 4928] close(14 [pid 4926] close(18 [pid 4925] close(15 [pid 4924] close(24 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(11 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(11 [pid 4928] close(15 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(19 [pid 4925] close(16 [pid 4924] close(25 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(12 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(12 [pid 4928] close(16 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(20 [pid 4925] close(17 [pid 4924] close(26 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(13 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(13 [pid 4928] close(17 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(21 [pid 4925] close(18 [pid 4924] close(27 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(14 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(14 [pid 4928] close(18 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(22 [pid 4925] close(19 [pid 4924] close(28 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(15 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(15 [pid 4928] close(19 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(23 [pid 4925] close(20 [pid 4924] close(29 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(16 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] close(16 [pid 4928] close(20 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(24write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4925] close(21 [pid 4924] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(17 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... write resumed>) = 335 [pid 4929] close(17 [pid 4928] close(21 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(25 [pid 4925] close(22 [pid 4924] exit_group(0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(18 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... exit_group resumed>) = ? [pid 4929] close(18 [pid 4928] close(22 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(26 [pid 4925] close(23 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(19 [pid 4929] close(19 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(23 [pid 4927] close(20 [pid 4926] close(27 [pid 4925] close(24 [pid 4924] +++ exited with 0 +++ [pid 4929] close(20 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(24 [pid 4927] close(21 [pid 4926] close(28 [pid 4925] close(25 [pid 4929] close(21 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(25 [pid 4927] close(22 [pid 4926] close(29 [pid 4925] close(26 [pid 4929] close(22 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(26 [pid 4927] close(23 [pid 3486] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4926] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4929] close(23 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(27 [pid 4927] close(24 [pid 4926] <... write resumed>) = 335 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4929] close(24 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] exit_group(0 [pid 4925] close(28 [pid 3486] <... openat resumed>) = 3 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] close(28 [pid 4927] close(25 [pid 4926] <... exit_group resumed>) = ? [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 4929] close(25 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4928] close(29 [pid 4927] close(26 [pid 3486] getdents64(3, [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(29 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4929] close(26 [pid 4928] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4927] close(27 [pid 4926] +++ exited with 0 +++ [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... write resumed>) = 335 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4929] close(27 [pid 4928] exit_group(0 [pid 4927] close(28 [pid 4925] <... write resumed>) = 335 [pid 3486] lstat("./211/binderfs", [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... exit_group resumed>) = ? [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... restart_syscall resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4929] close(28 [pid 4928] +++ exited with 0 +++ [pid 4927] close(29 [pid 4925] <... exit_group resumed>) = ? [pid 3486] unlink("./211/binderfs" [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 4929] close(29 [pid 4927] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... write resumed>) = 335 [pid 4925] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] restart_syscall(<... resuming interrupted clone ...>write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4929] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4927] exit_group(0 [pid 3486] lstat("./211/cgroup", [pid 3484] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... restart_syscall resumed>) = 0 [pid 4929] <... write resumed>) = 335 [pid 4927] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... openat resumed>) = 3 [pid 4929] exit_group(0 [pid 4927] +++ exited with 0 +++ [pid 3486] unlink("./211/cgroup" [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] fstat(3, [pid 4929] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3481] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] +++ exited with 0 +++ [pid 3486] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] lstat("./211/cgroup.net", [pid 3485] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] <... openat resumed>) = 3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] fstat(3, [pid 3486] unlink("./211/cgroup.net" [pid 3485] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] lstat("./203/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] getdents64(3, [pid 3486] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 3484] unlink("./203/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 3482] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3481] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./211/cgroup.cpu", [pid 3485] getdents64(3, [pid 3484] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] fstat(3, [pid 3481] lstat("./192/binderfs", [pid 3486] unlink("./211/cgroup.cpu" [pid 3485] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./203/cgroup", [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] unlink("./192/binderfs" [pid 3486] getdents64(3, [pid 3485] lstat("./208/binderfs", [pid 3484] unlink("./203/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 3481] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] close(3 [pid 3485] unlink("./208/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./200/binderfs", [pid 3482] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./211" [pid 3485] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./194/binderfs", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./200/binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./194/binderfs") = 0 [pid 3481] lstat("./192/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./203/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./194/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] lstat("./208/cgroup", [pid 3483] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./194/cgroup" [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./203/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./192/cgroup" [pid 3486] mkdir("./212", 0777 [pid 3485] unlink("./208/cgroup" [pid 3482] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./200/cgroup", [pid 3482] unlink("./194/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 3482] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./194/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./194/cgroup.cpu") = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./200/cgroup" [pid 3482] getdents64(3, [pid 3481] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4930 attached [pid 3485] lstat("./208/cgroup.net", [pid 3484] lstat("./203/cgroup.cpu", [pid 3483] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] lstat("./192/cgroup.net", [pid 4930] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 215 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] close(3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4930] <... set_robust_list resumed>) = 0 [pid 3485] unlink("./208/cgroup.net" [pid 3484] unlink("./203/cgroup.cpu" [pid 3483] lstat("./200/cgroup.net", [pid 3482] <... close resumed>) = 0 [pid 3481] unlink("./192/cgroup.net" [pid 4930] chdir("./212" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] rmdir("./194" [pid 4930] <... chdir resumed>) = 0 [pid 3485] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] unlink("./200/cgroup.net" [pid 3481] <... unlink resumed>) = 0 [pid 4930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4930] setpgid(0, 0) = 0 [pid 3485] lstat("./208/cgroup.cpu", [pid 3484] close(3 [pid 3483] <... unlink resumed>) = 0 [pid 3482] mkdir("./195", 0777 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4930] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./192/cgroup.cpu", [pid 4930] <... symlink resumed>) = 0 [pid 4930] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3485] unlink("./208/cgroup.cpu" [pid 3484] rmdir("./203" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... mkdir resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4930] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] lstat("./200/cgroup.cpu", [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] unlink("./192/cgroup.cpu" [pid 4930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] getdents64(3, [pid 3484] mkdir("./204", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4931 attached [pid 4930] <... openat resumed>) = 3 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./200/cgroup.cpu" [pid 3481] <... unlink resumed>) = 0 [pid 4931] set_robust_list(0x5555564df6e0, 24 [pid 4930] write(3, "1000", 4 [pid 3485] close(3 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 [pid 4931] <... set_robust_list resumed>) = 0 [pid 4930] <... write resumed>) = 4 [pid 3485] <... close resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 198 [pid 3481] getdents64(3, ./strace-static-x86_64: Process 4932 attached [pid 4931] chdir("./195" [pid 4930] close(3 [pid 3485] rmdir("./208" [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 207 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4932] set_robust_list(0x5555564df6e0, 24 [pid 4931] <... chdir resumed>) = 0 [pid 4930] <... close resumed>) = 0 [pid 3483] close(3 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4930] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... close resumed>) = 0 [pid 4931] <... prctl resumed>) = 0 [pid 4930] <... symlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] rmdir("./200" [pid 3481] close(3 [pid 4932] <... set_robust_list resumed>) = 0 [pid 4931] setpgid(0, 0 [pid 4930] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3485] mkdir("./209", 0777 [pid 3483] <... rmdir resumed>) = 0 [pid 4931] <... setpgid resumed>) = 0 [pid 4930] <... socket resumed>) = 3 [pid 3483] mkdir("./201", 0777 [pid 3481] <... close resumed>) = 0 [pid 4932] chdir("./204" [pid 4931] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4930] close(3 [pid 3483] <... mkdir resumed>) = 0 [pid 4932] <... chdir resumed>) = 0 [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] rmdir("./192" [pid 4932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4931] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4930] close(4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4933 attached [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] set_robust_list(0x5555564df6e0, 24 [pid 4932] <... prctl resumed>) = 0 [pid 4931] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4930] close(5 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 [pid 3481] <... rmdir resumed>) = 0 [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4934 attached [pid 4933] <... set_robust_list resumed>) = 0 [pid 4932] setpgid(0, 0 [pid 4931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4930] close(6 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 212 [pid 3481] mkdir("./193", 0777 [pid 4934] set_robust_list(0x5555564df6e0, 24 [pid 4933] chdir("./201" [pid 4932] <... setpgid resumed>) = 0 [pid 4931] <... openat resumed>) = 3 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... mkdir resumed>) = 0 [pid 4934] <... set_robust_list resumed>) = 0 [pid 4933] <... chdir resumed>) = 0 [pid 4932] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4931] write(3, "1000", 4 [pid 4930] close(7 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4935 attached [pid 4934] chdir("./209" [pid 4933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4932] <... symlink resumed>) = 0 [pid 4931] <... write resumed>) = 4 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] set_robust_list(0x5555564df6e0, 24 [pid 4934] <... chdir resumed>) = 0 [pid 4933] <... prctl resumed>) = 0 [pid 4932] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4931] close(3 [pid 4930] close(8 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 196 [pid 4935] <... set_robust_list resumed>) = 0 [pid 4934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4933] setpgid(0, 0 [pid 4932] <... symlink resumed>) = 0 [pid 4931] <... close resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] chdir("./193" [pid 4934] <... prctl resumed>) = 0 [pid 4933] <... setpgid resumed>) = 0 [pid 4932] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4935] <... chdir resumed>) = 0 [pid 4934] setpgid(0, 0 [pid 4933] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4932] <... symlink resumed>) = 0 [pid 4931] symlink("/dev/binderfs", "./binderfs" [pid 4930] close(9 [pid 4935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4934] <... setpgid resumed>) = 0 [pid 4933] <... symlink resumed>) = 0 [pid 4932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4935] <... prctl resumed>) = 0 [pid 4934] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4933] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4932] <... openat resumed>) = 3 [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] setpgid(0, 0 [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... symlink resumed>) = 0 [pid 4932] write(3, "1000", 4 [pid 4935] <... setpgid resumed>) = 0 [pid 4934] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4933] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4932] <... write resumed>) = 4 [pid 4931] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4930] close(10 [pid 4935] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... symlink resumed>) = 0 [pid 4932] close(3 [pid 4935] <... symlink resumed>) = 0 [pid 4934] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4932] <... close resumed>) = 0 [pid 4931] <... socket resumed>) = 3 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... openat resumed>) = 3 [pid 4932] symlink("/dev/binderfs", "./binderfs" [pid 4935] <... symlink resumed>) = 0 [pid 4934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4933] write(3, "1000", 4 [pid 4932] <... symlink resumed>) = 0 [pid 4931] close(3 [pid 4930] close(11 [pid 4935] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4934] <... openat resumed>) = 3 [pid 4933] <... write resumed>) = 4 [pid 4932] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4931] <... close resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... symlink resumed>) = 0 [pid 4934] write(3, "1000", 4 [pid 4933] close(3 [pid 4932] <... socket resumed>) = 3 [pid 4935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4934] <... write resumed>) = 4 [pid 4933] <... close resumed>) = 0 [pid 4932] close(3 [pid 4931] close(4 [pid 4930] close(12 [pid 4935] <... openat resumed>) = 3 [pid 4934] close(3 [pid 4933] symlink("/dev/binderfs", "./binderfs" [pid 4932] <... close resumed>) = 0 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] write(3, "1000", 4 [pid 4934] <... close resumed>) = 0 [pid 4933] <... symlink resumed>) = 0 [pid 4932] close(4 [pid 4935] <... write resumed>) = 4 [pid 4934] symlink("/dev/binderfs", "./binderfs" [pid 4933] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(5 [pid 4930] close(13 [pid 4935] close(3 [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... socket resumed>) = 3 [pid 4932] close(5 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = 0 [pid 4934] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4933] close(3 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(6 [pid 4930] close(14 [pid 4935] symlink("/dev/binderfs", "./binderfs" [pid 4934] <... socket resumed>) = 3 [pid 4933] <... close resumed>) = 0 [pid 4932] close(6 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... symlink resumed>) = 0 [pid 4934] close(3 [pid 4933] close(4 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(7 [pid 4930] close(15 [pid 4935] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4934] <... close resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(7 [pid 4935] <... socket resumed>) = 3 [pid 4934] close(4 [pid 4933] close(5 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(3 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(8 [pid 4935] <... close resumed>) = 0 [pid 4934] close(5 [pid 4933] close(6 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(8 [pid 4930] close(16 [pid 4935] close(4 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(9 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(6 [pid 4933] close(7 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(5 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(10 [pid 4931] close(9 [pid 4930] close(17 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(7 [pid 4933] close(8 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(6 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(11 [pid 4931] close(10 [pid 4930] close(18 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(8 [pid 4933] close(9 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(7 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(12 [pid 4931] close(11 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(9 [pid 4933] close(10 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(8 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(13 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(19 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(10 [pid 4933] close(11 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(12 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(9 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(14 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(11 [pid 4933] close(12 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(20 [pid 4935] close(10 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(15 [pid 4931] close(13 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(12 [pid 4933] close(13 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(11 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(16 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(21 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(13 [pid 4933] close(14 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(14 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(12 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(17 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(22 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(14 [pid 4933] close(15 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(13 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(18 [pid 4931] close(15 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(15 [pid 4933] close(16 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(14 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(19 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(23 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(16 [pid 4933] close(17 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(16 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(15 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(20 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(24 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(17 [pid 4933] close(18 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(17 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(16 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(21 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(25 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(18 [pid 4933] close(19 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(18 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(17 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(22 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(26 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(19 [pid 4933] close(20 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(19 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(18 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(23 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] close(27 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(20 [pid 4933] close(21 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(20 [pid 4935] close(19 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(24 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(21 [pid 4933] close(22 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(21 [pid 4930] close(28 [pid 4935] close(20 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(25 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(22 [pid 4933] close(23 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(22 [pid 4930] close(29 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(21 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(26 [pid 4931] close(23write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4930] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(23 [pid 4933] close(24 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... write resumed>) = 335 [pid 4935] close(22 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(27 [pid 4931] close(24 [pid 4930] exit_group(0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(24 [pid 4933] close(25 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(23 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(28 [pid 4931] close(25 [pid 4930] <... exit_group resumed>) = ? [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(25 [pid 4933] close(26 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(24 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(29 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(26 [pid 4933] close(27 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(26 [pid 4930] +++ exited with 0 +++ write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4935] close(25 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(27 [pid 4933] close(28 [pid 4932] <... write resumed>) = 335 [pid 4931] close(27 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4935] close(26 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] exit_group(0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(28 [pid 4933] close(29 [pid 4932] <... exit_group resumed>) = ? [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4935] close(27 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(28 [pid 3486] <... restart_syscall resumed>) = 0 [pid 4932] +++ exited with 0 +++ [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(29 [pid 4933] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4931] close(29 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4935] close(28 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... write resumed>) = 335 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4934] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4933] exit_group(0 [pid 4931] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] close(29 [pid 4934] <... write resumed>) = 335 [pid 4933] <... exit_group resumed>) = ? [pid 4931] <... write resumed>) = 335 [pid 3486] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] exit_group(0 [pid 4931] exit_group(0 [pid 3486] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4931] <... exit_group resumed>) = ? [pid 3486] fstat(3, [pid 3484] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4935] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4934] <... exit_group resumed>) = ? [pid 4933] +++ exited with 0 +++ [pid 4931] +++ exited with 0 +++ [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 4935] <... write resumed>) = 335 [pid 3486] getdents64(3, [pid 3484] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4935] exit_group(0 [pid 4934] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4935] <... exit_group resumed>) = ? [pid 3486] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] lstat("./212/binderfs", [pid 3484] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./212/binderfs" [pid 3484] lstat("./204/binderfs", [pid 3483] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./204/binderfs" [pid 3483] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] lstat("./212/cgroup", [pid 3484] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... openat resumed>) = 3 [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 3486] unlink("./212/cgroup" [pid 3485] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./204/cgroup", [pid 3483] getdents64(3, [pid 3482] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... restart_syscall resumed>) = 0 [pid 3486] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] unlink("./204/cgroup" [pid 3483] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 3486] lstat("./212/cgroup.net", [pid 3485] fstat(3, [pid 3484] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./201/binderfs", [pid 3482] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./212/cgroup.net" [pid 3485] getdents64(3, [pid 3484] lstat("./204/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./195/binderfs", [pid 3481] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] fstat(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./195/binderfs" [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./209/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./201/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 3481] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] unlink("./204/cgroup.net" [pid 3482] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./212/cgroup.cpu", [pid 3485] unlink("./209/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./195/cgroup", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./212/cgroup.cpu" [pid 3485] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] lstat("./193/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./195/cgroup" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] lstat("./209/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./201/cgroup", [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./193/binderfs" [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./204/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./201/cgroup" [pid 3482] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./209/cgroup" [pid 3484] unlink("./204/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] rmdir("./212" [pid 3485] <... unlink resumed>) = 0 [pid 3482] lstat("./195/cgroup.net", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] lstat("./193/cgroup", [pid 3486] mkdir("./213", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./195/cgroup.net" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./209/cgroup.net", [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./201/cgroup.net", [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./193/cgroup" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4936 attached [pid 3485] unlink("./209/cgroup.net" [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./201/cgroup.net" [pid 3482] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4936] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 216 [pid 3485] <... unlink resumed>) = 0 [pid 3484] rmdir("./204" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... set_robust_list resumed>) = 0 [pid 3485] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 3483] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./195/cgroup.cpu", [pid 3481] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4936] chdir("./213" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] mkdir("./205", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... chdir resumed>) = 0 [pid 3485] lstat("./209/cgroup.cpu", [pid 3483] lstat("./201/cgroup.cpu", [pid 3482] unlink("./195/cgroup.cpu" [pid 3481] lstat("./193/cgroup.net", [pid 4936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4936] <... prctl resumed>) = 0 [pid 3485] unlink("./209/cgroup.cpu" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./201/cgroup.cpu" [pid 3482] getdents64(3, [pid 3481] unlink("./193/cgroup.net" [pid 4936] setpgid(0, 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4936] <... setpgid resumed>) = 0 [pid 3485] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 3481] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4936] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... close resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... symlink resumed>) = 0 [pid 3485] close(3 [pid 3483] getdents64(3, [pid 3482] rmdir("./195" [pid 3481] lstat("./193/cgroup.cpu", ./strace-static-x86_64: Process 4937 attached [pid 4936] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... close resumed>) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4937] set_robust_list(0x5555564df6e0, 24 [pid 4936] <... symlink resumed>) = 0 [pid 3485] rmdir("./209" [pid 3483] close(3 [pid 3482] mkdir("./196", 0777 [pid 3481] unlink("./193/cgroup.cpu" [pid 4937] <... set_robust_list resumed>) = 0 [pid 4936] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 208 [pid 3483] <... close resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4937] chdir("./205" [pid 4936] <... symlink resumed>) = 0 [pid 3485] mkdir("./210", 0777 [pid 3483] rmdir("./201" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] getdents64(3, [pid 4937] <... chdir resumed>) = 0 [pid 4936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... mkdir resumed>) = 0 [pid 4937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4936] <... openat resumed>) = 3 [pid 3483] <... rmdir resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4937] <... prctl resumed>) = 0 [pid 4936] write(3, "1000", 4 [pid 3483] mkdir("./202", 0777 [pid 3481] close(3./strace-static-x86_64: Process 4938 attached [pid 4937] setpgid(0, 0 [pid 4936] <... write resumed>) = 4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4937] <... setpgid resumed>) = 0 [pid 4936] close(3 [pid 3481] <... close resumed>) = 0 [pid 4937] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4936] <... close resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3481] rmdir("./193" [pid 4937] <... symlink resumed>) = 0 [pid 3481] <... rmdir resumed>) = 0 [pid 4938] set_robust_list(0x5555564df6e0, 24 [pid 4937] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4936] symlink("/dev/binderfs", "./binderfs" [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 199 [pid 3481] mkdir("./194", 0777./strace-static-x86_64: Process 4939 attached [pid 4937] <... symlink resumed>) = 0 [pid 4939] set_robust_list(0x5555564df6e0, 24 [pid 4938] <... set_robust_list resumed>) = 0 [pid 4936] <... symlink resumed>) = 0 [pid 4939] <... set_robust_list resumed>) = 0 [pid 4939] chdir("./210" [pid 3481] <... mkdir resumed>) = 0 [pid 4939] <... chdir resumed>) = 0 [pid 4939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4938] chdir("./196" [pid 4936] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4939] <... prctl resumed>) = 0 [pid 4939] setpgid(0, 0 [pid 4938] <... chdir resumed>) = 0 [pid 4937] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4936] <... socket resumed>) = 3 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 213 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4939] <... setpgid resumed>) = 0 [pid 4938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4936] close(3 [pid 4939] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4937] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4940 attached [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... prctl resumed>) = 0 [pid 4936] <... close resumed>) = 0 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4940] set_robust_list(0x5555564df6e0, 24 [pid 4939] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 4941 attached [pid 4940] <... set_robust_list resumed>) = 0 [pid 4939] <... symlink resumed>) = 0 [pid 4938] setpgid(0, 0 [pid 4937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4936] close(4 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 4941] set_robust_list(0x5555564df6e0, 24 [pid 4940] chdir("./202" [pid 4939] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4940] <... chdir resumed>) = 0 [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... setpgid resumed>) = 0 [pid 4937] <... openat resumed>) = 3 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... set_robust_list resumed>) = 0 [pid 4940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4938] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4937] write(3, "1000", 4 [pid 4936] close(5 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 197 [pid 4941] chdir("./194" [pid 4940] <... prctl resumed>) = 0 [pid 4939] <... openat resumed>) = 3 [pid 4941] <... chdir resumed>) = 0 [pid 4940] setpgid(0, 0 [pid 4939] write(3, "1000", 4 [pid 4938] <... symlink resumed>) = 0 [pid 4937] <... write resumed>) = 4 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4940] <... setpgid resumed>) = 0 [pid 4939] <... write resumed>) = 4 [pid 4938] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4937] close(3 [pid 4936] close(6 [pid 4941] <... prctl resumed>) = 0 [pid 4940] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4939] close(3 [pid 4938] <... symlink resumed>) = 0 [pid 4937] <... close resumed>) = 0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] setpgid(0, 0 [pid 4940] <... symlink resumed>) = 0 [pid 4939] <... close resumed>) = 0 [pid 4938] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4937] symlink("/dev/binderfs", "./binderfs" [pid 4936] close(7 [pid 4941] <... setpgid resumed>) = 0 [pid 4940] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4939] symlink("/dev/binderfs", "./binderfs" [pid 4938] <... symlink resumed>) = 0 [pid 4937] <... symlink resumed>) = 0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4937] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4936] close(8 [pid 4941] <... symlink resumed>) = 0 [pid 4940] <... symlink resumed>) = 0 [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... openat resumed>) = 3 [pid 4937] <... socket resumed>) = 3 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4940] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4939] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4938] write(3, "1000", 4 [pid 4937] close(3 [pid 4936] close(9 [pid 4941] <... symlink resumed>) = 0 [pid 4939] <... socket resumed>) = 3 [pid 4938] <... write resumed>) = 4 [pid 4937] <... close resumed>) = 0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(3 [pid 4938] close(3 [pid 4937] close(4 [pid 4936] close(10 [pid 4941] <... symlink resumed>) = 0 [pid 4940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4938] <... close resumed>) = 0 [pid 4939] <... close resumed>) = 0 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4940] <... openat resumed>) = 3 [pid 4939] close(4 [pid 4938] symlink("/dev/binderfs", "./binderfs" [pid 4937] close(5 [pid 4936] close(11 [pid 4941] <... openat resumed>) = 3 [pid 4940] write(3, "1000", 4 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... symlink resumed>) = 0 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] write(3, "1000", 4 [pid 4940] <... write resumed>) = 4 [pid 4939] close(5 [pid 4938] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4937] close(6 [pid 4936] close(12 [pid 4941] <... write resumed>) = 4 [pid 4940] close(3 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... socket resumed>) = 3 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(3 [pid 4940] <... close resumed>) = 0 [pid 4939] close(6 [pid 4938] close(3 [pid 4937] close(7 [pid 4936] close(13 [pid 4941] <... close resumed>) = 0 [pid 4940] symlink("/dev/binderfs", "./binderfs" [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = 0 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] symlink("/dev/binderfs", "./binderfs" [pid 4938] close(4 [pid 4937] close(8 [pid 4936] close(14 [pid 4941] <... symlink resumed>) = 0 [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(7 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4940] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(5 [pid 4937] close(9 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... socket resumed>) = 3 [pid 4940] <... socket resumed>) = 3 [pid 4939] close(8 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(15 [pid 4941] close(3 [pid 4940] close(3 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(6 [pid 4941] <... close resumed>) = 0 [pid 4940] <... close resumed>) = 0 [pid 4939] close(9 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(10 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(4 [pid 4940] close(4 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(7 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(16 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(10 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(11 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(5 [pid 4940] close(5 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(8 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(17 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(11 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(12 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(6 [pid 4940] close(6 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(9 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(18 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(12 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(13 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(7 [pid 4940] close(7 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(10 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(19 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(13 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(14 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(8 [pid 4940] close(8 [pid 4938] close(11 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(20 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(15 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(9 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(12 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(21 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(9 [pid 4939] close(14 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(16 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(10 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(13 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(22 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(10 [pid 4939] close(15 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(17 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(11 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(14 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(23 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(11 [pid 4939] close(16 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(18 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(12 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(15 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(24 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(12 [pid 4939] close(17 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(13 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(16 [pid 4937] close(19 [pid 4936] close(25 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(13 [pid 4939] close(18 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(14 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(17 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(26 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(14 [pid 4939] close(19 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(20 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(15 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(18 [pid 4936] close(27 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(15 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(16 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(20 [pid 4938] close(19 [pid 4936] close(28 [pid 4937] close(21 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(16 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(17 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(21 [pid 4938] close(20 [pid 4937] close(22 [pid 4936] close(29 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(17 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(18 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] close(22write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4938] close(21 [pid 4937] close(23 [pid 4936] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(18 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... write resumed>) = 335 [pid 4941] close(19 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(22 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] exit_group(0 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(19 [pid 4939] close(23 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(24 [pid 4936] <... exit_group resumed>) = ? [pid 4941] close(20 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(23 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] +++ exited with 0 +++ [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(20 [pid 4939] close(24 [pid 4937] close(25 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4941] close(21 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(21 [pid 4939] close(25 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(26 [pid 3486] <... restart_syscall resumed>) = 0 [pid 4941] close(22 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(24 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(22 [pid 4939] close(26 [pid 4938] close(25 [pid 4937] close(27 [pid 4941] close(23 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(23 [pid 4939] close(27 [pid 4938] close(26 [pid 4937] close(28 [pid 3486] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(24 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(27 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(24 [pid 4939] close(28 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(29 [pid 3486] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4941] close(25 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(28 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(25 [pid 4939] close(29 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4941] close(26 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(29 [pid 4937] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] fstat(3, [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4940] close(26 [pid 4939] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... write resumed>) = 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4941] close(27 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... write resumed>) = 335 [pid 4938] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(27 [pid 4939] exit_group(0 [pid 4938] <... write resumed>) = 335 [pid 4937] exit_group(0 [pid 3486] getdents64(3, [pid 4941] close(28 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... exit_group resumed>) = ? [pid 4938] exit_group(0 [pid 4937] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(28 [pid 4938] <... exit_group resumed>) = ? [pid 4941] close(29 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] +++ exited with 0 +++ [pid 4938] +++ exited with 0 +++ [pid 4937] +++ exited with 0 +++ [pid 3486] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4941] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./213/binderfs", [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4941] <... write resumed>) = 335 [pid 4940] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4941] exit_group(0 [pid 4940] <... write resumed>) = 335 [pid 3486] unlink("./213/binderfs" [pid 3482] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4941] <... exit_group resumed>) = ? [pid 4940] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4941] +++ exited with 0 +++ [pid 4940] <... exit_group resumed>) = ? [pid 3486] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4940] +++ exited with 0 +++ [pid 3486] lstat("./213/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] unlink("./213/cgroup" [pid 3485] <... openat resumed>) = 3 [pid 3484] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] getdents64(3, [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3485] fstat(3, [pid 3484] fstat(3, [pid 3483] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] getdents64(3, [pid 3483] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./196/binderfs", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./213/cgroup.net", [pid 3485] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./196/binderfs" [pid 3481] <... openat resumed>) = 3 [pid 3486] unlink("./213/cgroup.net" [pid 3485] lstat("./210/binderfs", [pid 3484] lstat("./205/binderfs", [pid 3483] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 3481] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./210/binderfs" [pid 3484] unlink("./205/binderfs" [pid 3483] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./196/cgroup", [pid 3481] getdents64(3, [pid 3486] lstat("./213/cgroup.cpu", [pid 3485] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./202/binderfs", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./196/cgroup" [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] unlink("./213/cgroup.cpu" [pid 3485] lstat("./210/cgroup", [pid 3484] lstat("./205/cgroup", [pid 3483] unlink("./202/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] getdents64(3, [pid 3485] unlink("./210/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] lstat("./196/cgroup.net", [pid 3486] close(3 [pid 3485] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./205/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./196/cgroup.net" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./213" [pid 3485] lstat("./210/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] lstat("./194/binderfs", [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] mkdir("./214", 0777 [pid 3485] unlink("./210/cgroup.net" [pid 3484] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] lstat("./196/cgroup.cpu", [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./202/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] unlink("./194/binderfs"./strace-static-x86_64: Process 4942 attached [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./205/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./196/cgroup.cpu" [pid 4942] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 217 [pid 3485] lstat("./210/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4942] <... set_robust_list resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./202/cgroup" [pid 3482] getdents64(3, [pid 3481] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./210/cgroup.cpu" [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4942] chdir("./214" [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./205/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4942] <... chdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... close resumed>) = 0 [pid 3481] lstat("./194/cgroup", [pid 4942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] rmdir("./196" [pid 4942] <... prctl resumed>) = 0 [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./202/cgroup.net", [pid 3482] <... rmdir resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4942] setpgid(0, 0 [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./205/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./197", 0777 [pid 3481] unlink("./194/cgroup" [pid 4942] <... setpgid resumed>) = 0 [pid 3485] rmdir("./210" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./202/cgroup.net" [pid 3482] <... mkdir resumed>) = 0 [pid 4942] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./205/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4942] <... symlink resumed>) = 0 [pid 3485] mkdir("./211", 0777 [pid 3483] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4942] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4943 attached [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./202/cgroup.cpu", ./strace-static-x86_64: Process 4944 attached [pid 4943] set_robust_list(0x5555564df6e0, 24 [pid 4942] <... symlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 200 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4944] set_robust_list(0x5555564df6e0, 24 [pid 4943] <... set_robust_list resumed>) = 0 [pid 4942] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 214 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] unlink("./202/cgroup.cpu" [pid 4944] <... set_robust_list resumed>) = 0 [pid 4943] chdir("./197" [pid 4942] <... symlink resumed>) = 0 [pid 3484] close(3 [pid 3483] <... unlink resumed>) = 0 [pid 3481] lstat("./194/cgroup.net", [pid 4944] chdir("./211" [pid 4943] <... chdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3484] <... close resumed>) = 0 [pid 4944] <... chdir resumed>) = 0 [pid 4943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] rmdir("./205" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4943] <... prctl resumed>) = 0 [pid 3483] close(3 [pid 4943] setpgid(0, 0 [pid 3483] <... close resumed>) = 0 [pid 4943] <... setpgid resumed>) = 0 [pid 3483] rmdir("./202" [pid 4944] <... prctl resumed>) = 0 [pid 4943] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4942] <... openat resumed>) = 3 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3481] unlink("./194/cgroup.net" [pid 4944] setpgid(0, 0 [pid 4943] <... symlink resumed>) = 0 [pid 4942] write(3, "1000", 4 [pid 3484] mkdir("./206", 0777 [pid 3483] mkdir("./203", 0777 [pid 4944] <... setpgid resumed>) = 0 [pid 4943] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4942] <... write resumed>) = 4 [pid 3483] <... mkdir resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4944] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4943] <... symlink resumed>) = 0 [pid 4942] close(3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4945 attached [pid 4944] <... symlink resumed>) = 0 [pid 4943] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4942] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] set_robust_list(0x5555564df6e0, 24 [pid 4944] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4943] <... symlink resumed>) = 0 [pid 4942] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 206 ./strace-static-x86_64: Process 4946 attached [pid 4945] <... set_robust_list resumed>) = 0 [pid 4943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] set_robust_list(0x5555564df6e0, 24 [pid 4945] chdir("./203" [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... openat resumed>) = 3 [pid 4942] <... symlink resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 209 [pid 4946] <... set_robust_list resumed>) = 0 [pid 4945] <... chdir resumed>) = 0 [pid 4944] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4943] write(3, "1000", 4 [pid 3481] lstat("./194/cgroup.cpu", [pid 4946] chdir("./206" [pid 4945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4943] <... write resumed>) = 4 [pid 4942] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4946] <... chdir resumed>) = 0 [pid 4945] <... prctl resumed>) = 0 [pid 4944] <... symlink resumed>) = 0 [pid 4943] close(3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4945] setpgid(0, 0 [pid 4944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4943] <... close resumed>) = 0 [pid 4942] <... socket resumed>) = 3 [pid 4946] <... prctl resumed>) = 0 [pid 4945] <... setpgid resumed>) = 0 [pid 4944] <... openat resumed>) = 3 [pid 4943] symlink("/dev/binderfs", "./binderfs" [pid 4942] close(3 [pid 3481] unlink("./194/cgroup.cpu" [pid 4946] setpgid(0, 0 [pid 4945] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4944] write(3, "1000", 4 [pid 4943] <... symlink resumed>) = 0 [pid 4942] <... close resumed>) = 0 [pid 4946] <... setpgid resumed>) = 0 [pid 4945] <... symlink resumed>) = 0 [pid 4944] <... write resumed>) = 4 [pid 4943] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4942] close(4 [pid 3481] <... unlink resumed>) = 0 [pid 4946] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4944] close(3 [pid 4943] <... socket resumed>) = 3 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... symlink resumed>) = 0 [pid 4944] <... close resumed>) = 0 [pid 4943] close(3 [pid 4942] close(5 [pid 3481] getdents64(3, [pid 4946] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4945] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4944] symlink("/dev/binderfs", "./binderfs" [pid 4943] <... close resumed>) = 0 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... symlink resumed>) = 0 [pid 4943] close(4 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4946] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(6 [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... openat resumed>) = 3 [pid 4944] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4943] close(5 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] close(3 [pid 4946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4945] write(3, "1000", 4 [pid 4944] <... socket resumed>) = 3 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(7 [pid 3481] <... close resumed>) = 0 [pid 4946] <... openat resumed>) = 3 [pid 4945] <... write resumed>) = 4 [pid 4944] close(3 [pid 4943] close(6 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] rmdir("./194" [pid 4946] write(3, "1000", 4 [pid 4945] close(3 [pid 4944] <... close resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(8 [pid 4946] <... write resumed>) = 4 [pid 4945] <... close resumed>) = 0 [pid 4944] close(4 [pid 4943] close(7 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... rmdir resumed>) = 0 [pid 4946] close(3 [pid 4945] symlink("/dev/binderfs", "./binderfs" [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(9 [pid 4946] <... close resumed>) = 0 [pid 4945] <... symlink resumed>) = 0 [pid 4944] close(5 [pid 4943] close(8 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] mkdir("./195", 0777 [pid 4946] symlink("/dev/binderfs", "./binderfs" [pid 4945] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(10 [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... socket resumed>) = 3 [pid 4944] close(6 [pid 4943] close(9 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... mkdir resumed>) = 0 [pid 4946] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4945] close(3 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(11 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4946] <... socket resumed>) = 3 [pid 4945] <... close resumed>) = 0 [pid 4944] close(7 [pid 4943] close(10 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(3 [pid 4945] close(4 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4947 attached [pid 4946] <... close resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(11 [pid 4942] close(12 [pid 4947] set_robust_list(0x5555564df6e0, 24 [pid 4946] close(4 [pid 4945] close(5 [pid 4944] close(8 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... set_robust_list resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(12 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 198 [pid 4947] chdir("./195" [pid 4946] close(5 [pid 4945] close(6 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(13 [pid 4947] <... chdir resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(9 [pid 4943] close(13 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4946] close(6 [pid 4945] close(7 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(14 [pid 4947] <... prctl resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(10 [pid 4943] close(14 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] setpgid(0, 0 [pid 4946] close(7 [pid 4945] close(8 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(15 [pid 4947] <... setpgid resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(11 [pid 4943] close(15 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(16 [pid 4944] close(12 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(17 [pid 4944] close(13 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(18 [pid 4944] close(14 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(8 [pid 4947] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4945] close(9 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(19 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(15 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... symlink resumed>) = 0 [pid 4946] close(9 [pid 4945] close(10 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(16 [pid 4942] close(20 [pid 4947] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(16 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(21 [pid 4947] <... symlink resumed>) = 0 [pid 4946] close(10 [pid 4945] close(11 [pid 4944] close(17 [pid 4943] close(17 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(22 [pid 4946] close(11 [pid 4945] close(12 [pid 4944] close(18 [pid 4943] close(18 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... symlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(23 [pid 4947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4946] close(12 [pid 4945] close(13 [pid 4944] close(19 [pid 4943] close(19 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(24 [pid 4947] <... openat resumed>) = 3 [pid 4946] close(13 [pid 4945] close(14 [pid 4944] close(20 [pid 4943] close(20 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] write(3, "1000", 4 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(25 [pid 4946] close(14 [pid 4945] close(15 [pid 4944] close(21 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(21 [pid 4947] <... write resumed>) = 4 [pid 4947] close(3 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(26 [pid 4947] <... close resumed>) = 0 [pid 4946] close(15 [pid 4945] close(16 [pid 4944] close(22 [pid 4943] close(22 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] symlink("/dev/binderfs", "./binderfs" [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(27 [pid 4947] <... symlink resumed>) = 0 [pid 4946] close(16 [pid 4944] close(23 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(17 [pid 4947] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(23 [pid 4942] close(28 [pid 4947] <... socket resumed>) = 3 [pid 4946] close(17 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(24 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(3 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(18 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(24 [pid 4942] close(29 [pid 4947] <... close resumed>) = 0 [pid 4946] close(18 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(25 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(4write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(19 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(25 [pid 4942] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(19 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(26 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... write resumed>) = 335 [pid 4947] close(5 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(20 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(26 [pid 4942] exit_group(0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(20 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(27 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... exit_group resumed>) = ? [pid 4947] close(6 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(21 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(27 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(21 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(28 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] +++ exited with 0 +++ [pid 4947] close(7 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(22 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(28 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(22 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(29 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4947] close(8 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(23 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] close(29 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(23 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] close(9 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(24 [pid 4944] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4943] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(24 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... write resumed>) = 335 [pid 4943] <... write resumed>) = 335 [pid 3486] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4947] close(10 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(25 [pid 4944] exit_group(0 [pid 4943] exit_group(0 [pid 3486] <... openat resumed>) = 3 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(25 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... exit_group resumed>) = ? [pid 4943] <... exit_group resumed>) = ? [pid 3486] fstat(3, [pid 4947] close(11 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(26 [pid 4944] +++ exited with 0 +++ [pid 4943] +++ exited with 0 +++ [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(26 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4947] close(12 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(27 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(27 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... restart_syscall resumed>) = 0 [pid 4947] close(13 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(28 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./214/binderfs", [pid 4947] close(14 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] close(29 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./214/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4947] close(15 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4945] <... write resumed>) = 335 [pid 3486] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 4947] close(16 [pid 4946] <... write resumed>) = 335 [pid 4945] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] exit_group(0 [pid 4945] <... exit_group resumed>) = ? [pid 3486] lstat("./214/cgroup", [pid 4947] close(17 [pid 4946] <... exit_group resumed>) = ? [pid 4945] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] +++ exited with 0 +++ [pid 3486] unlink("./214/cgroup" [pid 3485] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4947] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./214/cgroup.net", [pid 3485] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./214/cgroup.net" [pid 3485] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 3482] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4947] close(21 [pid 3482] <... openat resumed>) = 3 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, [pid 3482] fstat(3, [pid 4947] close(22 [pid 3486] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./211/binderfs", [pid 3484] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] getdents64(3, [pid 4947] close(23 [pid 3486] lstat("./214/cgroup.cpu", [pid 3485] unlink("./211/binderfs" [pid 3484] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] getdents64(3, [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3482] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] close(24 [pid 3486] unlink("./214/cgroup.cpu" [pid 3485] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./197/binderfs", [pid 4947] close(25 [pid 3486] getdents64(3, [pid 3485] lstat("./211/cgroup", [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./203/binderfs", [pid 3482] unlink("./197/binderfs" [pid 4947] close(26 [pid 3486] close(3 [pid 3485] unlink("./211/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 4947] close(27 [pid 3486] rmdir("./214" [pid 3485] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./203/binderfs" [pid 3482] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./206/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... rmdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] lstat("./197/cgroup", [pid 4947] close(28 [pid 3486] mkdir("./215", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./206/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./211/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./197/cgroup" [pid 4947] close(29 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./211/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ./strace-static-x86_64: Process 4948 attached [pid 4947] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3484] lstat("./206/cgroup", [pid 3483] lstat("./203/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4948] set_robust_list(0x5555564df6e0, 24 [pid 4947] <... write resumed>) = 335 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 218 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] lstat("./197/cgroup.net", [pid 4948] <... set_robust_list resumed>) = 0 [pid 4947] exit_group(0 [pid 3485] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./206/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4948] chdir("./215" [pid 4947] <... exit_group resumed>) = ? [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./197/cgroup.net" [pid 4948] <... chdir resumed>) = 0 [pid 3484] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./203/cgroup" [pid 3482] <... unlink resumed>) = 0 [pid 4948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4947] +++ exited with 0 +++ [pid 3485] lstat("./211/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4948] <... prctl resumed>) = 0 [pid 3484] lstat("./206/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4948] setpgid(0, 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./197/cgroup.cpu", [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4948] <... setpgid resumed>) = 0 [pid 3485] unlink("./211/cgroup.cpu" [pid 3484] unlink("./206/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4948] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./203/cgroup.net", [pid 3482] unlink("./197/cgroup.cpu" [pid 3481] <... restart_syscall resumed>) = 0 [pid 4948] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4948] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 4948] <... symlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./206/cgroup.cpu", [pid 3483] unlink("./203/cgroup.net" [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4948] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4948] <... symlink resumed>) = 0 [pid 3484] unlink("./206/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 3481] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./197" [pid 3481] <... openat resumed>) = 3 [pid 4948] <... openat resumed>) = 3 [pid 3485] rmdir("./211" [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... rmdir resumed>) = 0 [pid 3481] fstat(3, [pid 4948] write(3, "1000", 4 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] mkdir("./198", 0777 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4948] <... write resumed>) = 4 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] close(3 [pid 3483] lstat("./203/cgroup.cpu", [pid 3482] <... mkdir resumed>) = 0 [pid 3481] getdents64(3, [pid 4948] close(3 [pid 3484] <... close resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4949 attached [pid 4948] <... close resumed>) = 0 [pid 3485] mkdir("./212", 0777 [pid 3484] rmdir("./206" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4949] set_robust_list(0x5555564df6e0, 24 [pid 4948] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 201 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4949] <... set_robust_list resumed>) = 0 [pid 4948] <... symlink resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] mkdir("./207", 0777 [pid 3483] unlink("./203/cgroup.cpu" [pid 3481] lstat("./195/binderfs", ./strace-static-x86_64: Process 4950 attached [pid 4949] chdir("./198" [pid 4948] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3484] <... mkdir resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4950] set_robust_list(0x5555564df6e0, 24 [pid 4949] <... chdir resumed>) = 0 [pid 4948] <... socket resumed>) = 3 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 215 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 [pid 3481] unlink("./195/binderfs"./strace-static-x86_64: Process 4951 attached [pid 4950] <... set_robust_list resumed>) = 0 [pid 4949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4948] close(3 [pid 3483] getdents64(3, [pid 3481] <... unlink resumed>) = 0 [pid 4951] set_robust_list(0x5555564df6e0, 24 [pid 4950] chdir("./212" [pid 4949] <... prctl resumed>) = 0 [pid 4948] <... close resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 210 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4951] <... set_robust_list resumed>) = 0 [pid 4950] <... chdir resumed>) = 0 [pid 4949] setpgid(0, 0 [pid 4948] close(4 [pid 3483] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] chdir("./207" [pid 4950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4949] <... setpgid resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... close resumed>) = 0 [pid 3481] lstat("./195/cgroup", [pid 4951] <... chdir resumed>) = 0 [pid 4950] <... prctl resumed>) = 0 [pid 4949] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4948] close(5 [pid 3483] rmdir("./203" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4950] setpgid(0, 0 [pid 4949] <... symlink resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] unlink("./195/cgroup" [pid 4951] <... prctl resumed>) = 0 [pid 4950] <... setpgid resumed>) = 0 [pid 4949] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4948] close(6 [pid 3483] <... rmdir resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4951] setpgid(0, 0 [pid 4950] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4949] <... symlink resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./204", 0777 [pid 3481] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4951] <... setpgid resumed>) = 0 [pid 4950] <... symlink resumed>) = 0 [pid 4949] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4948] close(7 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4950] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4949] <... symlink resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 3481] lstat("./195/cgroup.net", [pid 4951] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4950] <... symlink resumed>) = 0 [pid 4949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4948] close(8 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4951] <... symlink resumed>) = 0 [pid 4950] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4949] <... openat resumed>) = 3 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] unlink("./195/cgroup.net"./strace-static-x86_64: Process 4952 attached [pid 4951] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4950] <... symlink resumed>) = 0 [pid 4949] write(3, "1000", 4 [pid 4948] close(9 [pid 4952] set_robust_list(0x5555564df6e0, 24 [pid 4951] <... symlink resumed>) = 0 [pid 4950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4949] <... write resumed>) = 4 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 207 [pid 3481] <... unlink resumed>) = 0 [pid 4952] <... set_robust_list resumed>) = 0 [pid 4951] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4950] <... openat resumed>) = 3 [pid 4949] close(3 [pid 4948] close(10 [pid 4952] chdir("./204" [pid 4951] <... symlink resumed>) = 0 [pid 4950] write(3, "1000", 4 [pid 4949] <... close resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4952] <... chdir resumed>) = 0 [pid 4951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4950] <... write resumed>) = 4 [pid 4949] symlink("/dev/binderfs", "./binderfs" [pid 4948] close(11 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4951] <... openat resumed>) = 3 [pid 4950] close(3 [pid 4949] <... symlink resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] lstat("./195/cgroup.cpu", [pid 4952] <... prctl resumed>) = 0 [pid 4951] write(3, "1000", 4 [pid 4950] <... close resumed>) = 0 [pid 4949] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4948] close(12 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4952] setpgid(0, 0 [pid 4951] <... write resumed>) = 4 [pid 4950] symlink("/dev/binderfs", "./binderfs" [pid 4949] <... socket resumed>) = 3 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] unlink("./195/cgroup.cpu" [pid 4952] <... setpgid resumed>) = 0 [pid 4951] close(3 [pid 4950] <... symlink resumed>) = 0 [pid 4949] close(3 [pid 4948] close(13 [pid 4952] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4951] <... close resumed>) = 0 [pid 4950] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4949] <... close resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4952] <... symlink resumed>) = 0 [pid 4951] symlink("/dev/binderfs", "./binderfs" [pid 4950] <... socket resumed>) = 3 [pid 4949] close(4 [pid 4948] close(14 [pid 3481] getdents64(3, [pid 4952] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4950] close(3 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... symlink resumed>) = 0 [pid 4950] <... close resumed>) = 0 [pid 4949] close(5 [pid 4948] close(15 [pid 3481] close(3 [pid 4952] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4951] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4950] close(4 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... socket resumed>) = 3 [pid 3481] <... close resumed>) = 0 [pid 4952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4951] close(3 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(6 [pid 4948] close(16 [pid 3481] rmdir("./195" [pid 4952] <... openat resumed>) = 3 [pid 4951] <... close resumed>) = 0 [pid 4950] close(5 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(4) = -1 EBADF (Bad file descriptor) [pid 4951] close(5) = -1 EBADF (Bad file descriptor) [pid 4951] close(6) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(7) = -1 EBADF (Bad file descriptor) [pid 4951] close(8 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(7 [pid 4948] close(17 [pid 4952] write(3, "1000", 4 [pid 3481] <... rmdir resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(6 [pid 4952] <... write resumed>) = 4 [pid 4951] close(9 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] mkdir("./196", 0777 [pid 4952] close(3 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(7 [pid 4949] close(8 [pid 4948] close(18 [pid 4952] <... close resumed>) = 0 [pid 4951] close(10 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] symlink("/dev/binderfs", "./binderfs" [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(8 [pid 4949] close(9 [pid 4952] <... symlink resumed>) = 0 [pid 4951] close(11 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(19 [pid 3481] <... mkdir resumed>) = 0 [pid 4952] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(9 [pid 4949] close(10 [pid 4952] <... socket resumed>) = 3 [pid 4951] close(12 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4952] close(3 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(10./strace-static-x86_64: Process 4953 attached [pid 4952] <... close resumed>) = 0 [pid 4951] close(13 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(11 [pid 4948] close(20 [pid 4953] set_robust_list(0x5555564df6e0, 24 [pid 4952] close(4 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(11 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... set_robust_list resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(14 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(12 [pid 4948] close(21 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 199 [pid 4953] chdir("./196" [pid 4952] close(5 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(12 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... chdir resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(15 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(13 [pid 4948] close(22 [pid 4953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4952] close(6 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(13 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(14 [pid 4948] close(23 [pid 4953] <... prctl resumed>) = 0 [pid 4952] close(7 [pid 4951] close(16 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] setpgid(0, 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(14 [pid 4949] close(15 [pid 4948] close(24 [pid 4953] <... setpgid resumed>) = 0 [pid 4952] close(8 [pid 4951] close(17 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(15 [pid 4949] close(16 [pid 4948] close(25 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] close(9 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(18 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(17 [pid 4948] close(26 [pid 4953] <... symlink resumed>) = 0 [pid 4952] close(10 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(16 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(19 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(18 [pid 4948] close(27 [pid 4952] close(11 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... symlink resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(20 [pid 4950] close(17 [pid 4949] close(19 [pid 4948] close(28 [pid 4953] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4952] close(12 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... symlink resumed>) = 0 [pid 4949] close(20 [pid 4948] close(29 [pid 4951] close(21 [pid 4953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4952] close(13 [pid 4950] close(18 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4953] <... openat resumed>) = 3 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(22 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(21 [pid 4948] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4953] write(3, "1000", 4 [pid 4952] close(14 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(19 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... write resumed>) = 335 [pid 4953] <... write resumed>) = 4 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(23 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(22 [pid 4948] exit_group(0 [pid 4953] close(3 [pid 4952] close(15 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(20 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... exit_group resumed>) = ? [pid 4953] <... close resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(24 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(23 [pid 4953] symlink("/dev/binderfs", "./binderfs" [pid 4952] close(16 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(21 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] +++ exited with 0 +++ [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(24 [pid 4953] <... symlink resumed>) = 0 [pid 4952] close(17 [pid 4951] close(25 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4953] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(22 [pid 4949] close(25 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 4953] <... socket resumed>) = 3 [pid 4952] close(18 [pid 4951] close(26 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... restart_syscall resumed>) = 0 [pid 4953] close(3 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(23 [pid 4949] close(26 [pid 4953] <... close resumed>) = 0 [pid 4952] close(19 [pid 4951] close(27 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(4 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(24 [pid 4949] close(27 [pid 3486] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4952] close(20 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(28 [pid 4952] close(21 [pid 4951] close(28 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(5 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(25 [pid 4949] close(29 [pid 3486] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] close(22 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 4953] close(6 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] close(23 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(26 [pid 4949] <... write resumed>) = 335 [pid 3486] fstat(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4953] close(7 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] exit_group(0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] close(24 [pid 4951] <... write resumed>) = 335 [pid 4950] close(27 [pid 4949] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 4953] close(8 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] exit_group(0 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4952] close(25 [pid 4950] close(28 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... exit_group resumed>) = ? [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4953] close(9 [pid 4952] close(26 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] +++ exited with 0 +++ [pid 3486] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3482] <... restart_syscall resumed>) = 0 [pid 4953] close(10 [pid 4952] close(27 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(29 [pid 3486] lstat("./215/binderfs", [pid 4953] close(11 [pid 4952] close(28 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] unlink("./215/binderfs" [pid 4953] close(12 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] close(29 [pid 4950] exit_group(0 [pid 3486] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] close(13 [pid 4950] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] +++ exited with 0 +++ [pid 3486] lstat("./215/cgroup", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4953] close(14 [pid 4952] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... openat resumed>) = 3 [pid 3482] <... openat resumed>) = 3 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... write resumed>) = 335 [pid 3486] unlink("./215/cgroup" [pid 3484] fstat(3, [pid 4953] close(15 [pid 4952] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3482] fstat(3, [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... exit_group resumed>) = ? [pid 3486] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4953] close(16 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./215/cgroup.net", [pid 4953] close(17 [pid 4952] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3482] getdents64(3, [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./215/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4953] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 3483] <... restart_syscall resumed>) = 0 [pid 4953] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./215/cgroup.cpu", [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4953] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./215/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4953] close(21 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./207/binderfs", [pid 3483] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./198/binderfs", [pid 4953] close(22 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./212/binderfs", [pid 3484] unlink("./207/binderfs" [pid 3483] fstat(3, [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4953] close(23 [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./212/binderfs" [pid 3483] getdents64(3, [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./215" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./198/binderfs" [pid 4953] close(24 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./216", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] close(25 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./212/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./204/binderfs", [pid 3482] <... unlink resumed>) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./207/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4954 attached [pid 4953] close(26 [pid 3485] unlink("./212/cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./204/binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4954] set_robust_list(0x5555564df6e0, 24 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 219 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./207/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./198/cgroup", [pid 4954] <... set_robust_list resumed>) = 0 [pid 4953] close(27 [pid 3485] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] close(28 [pid 3485] lstat("./212/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./204/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4954] chdir("./216" [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] <... chdir resumed>) = 0 [pid 4953] close(29 [pid 3485] unlink("./212/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./198/cgroup" [pid 4954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./207/cgroup.net", [pid 3483] unlink("./204/cgroup" [pid 3482] <... unlink resumed>) = 0 [pid 4954] <... prctl resumed>) = 0 [pid 4953] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3485] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 4954] setpgid(0, 0 [pid 4953] <... write resumed>) = 335 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] <... setpgid resumed>) = 0 [pid 4953] exit_group(0 [pid 3485] lstat("./212/cgroup.cpu", [pid 3484] unlink("./207/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4954] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4953] <... exit_group resumed>) = ? [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./204/cgroup.net", [pid 3482] lstat("./198/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 4954] <... symlink resumed>) = 0 [pid 4953] +++ exited with 0 +++ [pid 3485] unlink("./212/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4954] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./204/cgroup.net" [pid 3482] unlink("./198/cgroup.net" [pid 4954] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4954] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./207/cgroup.cpu", [pid 3483] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4954] <... symlink resumed>) = 0 [pid 3485] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... restart_syscall resumed>) = 0 [pid 4954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./204/cgroup.cpu", [pid 3482] lstat("./198/cgroup.cpu", [pid 3485] rmdir("./212" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4954] <... openat resumed>) = 3 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./207/cgroup.cpu" [pid 3483] unlink("./204/cgroup.cpu" [pid 3482] unlink("./198/cgroup.cpu" [pid 3481] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] write(3, "1000", 4 [pid 3485] mkdir("./213", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4954] <... write resumed>) = 4 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] getdents64(3, [pid 3481] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4954] close(3 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] getdents64(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4955 attached [pid 4954] <... close resumed>) = 0 [pid 3483] close(3 [pid 3482] close(3 [pid 3481] fstat(3, [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 216 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4955] set_robust_list(0x5555564df6e0, 24 [pid 4954] symlink("/dev/binderfs", "./binderfs" [pid 3484] close(3 [pid 3483] rmdir("./204" [pid 3482] rmdir("./198" [pid 3481] getdents64(3, [pid 4955] <... set_robust_list resumed>) = 0 [pid 4954] <... symlink resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4955] chdir("./213" [pid 4954] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3484] rmdir("./207" [pid 3483] mkdir("./205", 0777 [pid 3482] mkdir("./199", 0777 [pid 3481] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4955] <... chdir resumed>) = 0 [pid 4954] <... socket resumed>) = 3 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 4955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4954] close(3 [pid 3484] mkdir("./208", 0777 [pid 3482] <... mkdir resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4955] <... prctl resumed>) = 0 [pid 4954] <... close resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4955] setpgid(0, 0 [pid 4954] close(4 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] lstat("./196/binderfs", ./strace-static-x86_64: Process 4956 attached [pid 4955] <... setpgid resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4958 attached ./strace-static-x86_64: Process 4957 attached [pid 4956] set_robust_list(0x5555564df6e0, 24 [pid 4955] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4954] close(5 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 211 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 208 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4958] set_robust_list(0x5555564df6e0, 24 [pid 4957] set_robust_list(0x5555564df6e0, 24 [pid 4956] <... set_robust_list resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 202 [pid 3481] unlink("./196/binderfs" [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... set_robust_list resumed>) = 0 [pid 4957] <... set_robust_list resumed>) = 0 [pid 4956] chdir("./205" [pid 4955] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4954] close(6 [pid 4958] chdir("./199" [pid 4957] chdir("./208" [pid 4956] <... chdir resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4958] <... chdir resumed>) = 0 [pid 4957] <... chdir resumed>) = 0 [pid 4956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4955] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4954] close(7 [pid 4958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4956] <... prctl resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] <... prctl resumed>) = 0 [pid 4957] <... prctl resumed>) = 0 [pid 4956] setpgid(0, 0 [pid 4955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4954] close(8 [pid 4958] setpgid(0, 0 [pid 4957] setpgid(0, 0 [pid 4956] <... setpgid resumed>) = 0 [pid 4955] <... openat resumed>) = 3 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... setpgid resumed>) = 0 [pid 4955] write(3, "1000", 4 [pid 4954] close(9 [pid 4958] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4957] <... setpgid resumed>) = 0 [pid 4956] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4955] <... write resumed>) = 4 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] lstat("./196/cgroup", [pid 4958] <... symlink resumed>) = 0 [pid 4957] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4955] close(3 [pid 4954] close(10 [pid 4958] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... close resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... symlink resumed>) = 0 [pid 4956] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4955] symlink("/dev/binderfs", "./binderfs" [pid 4954] close(11 [pid 4958] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4957] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] unlink("./196/cgroup" [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... symlink resumed>) = 0 [pid 4956] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4955] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4954] close(12 [pid 3481] <... unlink resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4957] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./196/cgroup.net", [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... socket resumed>) = 3 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4958] <... openat resumed>) = 3 [pid 4955] close(3 [pid 4954] close(13 [pid 3481] unlink("./196/cgroup.net" [pid 4958] write(3, "1000", 4 [pid 4957] <... symlink resumed>) = 0 [pid 4956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4955] <... close resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4958] <... write resumed>) = 4 [pid 4955] close(4 [pid 4954] close(14 [pid 3481] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] close(3 [pid 4957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4956] <... openat resumed>) = 3 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... close resumed>) = 0 [pid 4955] close(5 [pid 4954] close(15 [pid 3481] lstat("./196/cgroup.cpu", [pid 4958] symlink("/dev/binderfs", "./binderfs" [pid 4957] <... openat resumed>) = 3 [pid 4956] write(3, "1000", 4 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] unlink("./196/cgroup.cpu" [pid 4958] <... symlink resumed>) = 0 [pid 4957] write(3, "1000", 4 [pid 4956] <... write resumed>) = 4 [pid 4955] close(6 [pid 4954] close(16 [pid 3481] <... unlink resumed>) = 0 [pid 4958] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4957] <... write resumed>) = 4 [pid 4956] close(3 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] getdents64(3, [pid 4958] <... socket resumed>) = 3 [pid 4955] close(7 [pid 4954] close(17 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4957] close(3 [pid 4956] <... close resumed>) = 0 [pid 4958] close(3 [pid 3481] close(3 [pid 4957] <... close resumed>) = 0 [pid 4956] symlink("/dev/binderfs", "./binderfs" [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... close resumed>) = 0 [pid 4958] <... close resumed>) = 0 [pid 4957] symlink("/dev/binderfs", "./binderfs" [pid 3481] rmdir("./196" [pid 4958] close(4 [pid 4957] <... symlink resumed>) = 0 [pid 4956] <... symlink resumed>) = 0 [pid 4955] close(8 [pid 4954] close(18 [pid 3481] <... rmdir resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4956] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] mkdir("./197", 0777 [pid 4958] close(5 [pid 4957] <... socket resumed>) = 3 [pid 4956] <... socket resumed>) = 3 [pid 4955] close(9 [pid 4954] close(19 [pid 3481] <... mkdir resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(3 [pid 4956] close(3 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4958] close(6 [pid 4957] <... close resumed>) = 0 [pid 4956] <... close resumed>) = 0 [pid 4955] close(10 [pid 4954] close(20./strace-static-x86_64: Process 4959 attached [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 200 [pid 4959] set_robust_list(0x5555564df6e0, 24 [pid 4958] close(7 [pid 4957] close(4 [pid 4956] close(4 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... set_robust_list resumed>) = 0 [pid 4959] chdir("./197") = 0 [pid 4959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(11 [pid 4954] close(21 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... prctl resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(5 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] setpgid(0, 0 [pid 4958] close(8 [pid 4957] close(5 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(12 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... setpgid resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(6 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(22 [pid 4959] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4958] close(9 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(6 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... symlink resumed>) = 0 [pid 4955] close(13 [pid 4959] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(7 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(23 [pid 4959] <... symlink resumed>) = 0 [pid 4958] close(10 [pid 4957] close(7 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(14 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(8 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... symlink resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(8 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(15 [pid 4954] close(24 [pid 4959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4958] close(11 [pid 4956] close(9 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... openat resumed>) = 3 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(9 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(16 [pid 4954] close(25 [pid 4958] close(12 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(10 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] write(3, "1000", 4 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(10 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] close(17 [pid 4959] <... write resumed>) = 4 [pid 4958] close(13 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(11 [pid 4954] close(26 [pid 4959] close(3 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(11 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = 0 [pid 4958] close(14 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(12 [pid 4955] close(18 [pid 4954] close(27 [pid 4959] symlink("/dev/binderfs", "./binderfs" [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(12 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... symlink resumed>) = 0 [pid 4958] close(15 [pid 4959] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(13 [pid 4955] close(19 [pid 4954] close(28 [pid 4959] <... socket resumed>) = 3 [pid 4958] close(16 [pid 4957] close(13 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(3 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(14 [pid 4955] close(20 [pid 4954] close(29 [pid 4959] <... close resumed>) = 0 [pid 4958] close(17 [pid 4957] close(14 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(4 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(15 [pid 4955] close(21 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(18 [pid 4957] close(15 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4959] close(5 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(16 [pid 4955] close(22 [pid 4954] <... write resumed>) = 335 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(19 [pid 4957] close(16 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] exit_group(0 [pid 4959] close(6 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(17 [pid 4955] close(23 [pid 4954] <... exit_group resumed>) = ? [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(20 [pid 4957] close(17 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(7) = -1 EBADF (Bad file descriptor) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(18 [pid 4955] close(24 [pid 4954] +++ exited with 0 +++ [pid 4959] close(8 [pid 4958] close(21 [pid 4957] close(18 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(19 [pid 4955] close(25 [pid 4959] close(9 [pid 4958] close(22 [pid 4957] close(19 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(20 [pid 4955] close(26 [pid 4959] close(10 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(20 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(23 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(21 [pid 4955] close(27 [pid 4959] close(11 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(21 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(24 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(22 [pid 4955] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] close(12 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(22 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(25 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(23 [pid 4955] close(29 [pid 4959] close(13 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(23 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(26 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(24 [pid 4955] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] fstat(3, [pid 4959] close(14 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(24 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... write resumed>) = 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(25 [pid 4955] exit_group(0 [pid 4957] close(25 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... exit_group resumed>) = ? [pid 4959] close(15 [pid 4958] close(27 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(26 [pid 4955] +++ exited with 0 +++ [pid 3486] getdents64(3, [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(26 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(16 [pid 4958] close(28 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(27 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(27 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4959] close(17 [pid 4958] close(29 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(28 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./216/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] close(18 [pid 4958] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... write resumed>) = 335 [pid 4957] close(29 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./216/binderfs" [pid 3485] <... openat resumed>) = 3 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4959] close(19 [pid 4958] exit_group(0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... exit_group resumed>) = ? [pid 4957] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4956] <... write resumed>) = 335 [pid 3486] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4959] close(20 [pid 4957] <... write resumed>) = 335 [pid 4956] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 4957] exit_group(0 [pid 4956] <... exit_group resumed>) = ? [pid 3486] lstat("./216/cgroup", [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] +++ exited with 0 +++ [pid 4957] <... exit_group resumed>) = ? [pid 4956] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4959] close(21 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] +++ exited with 0 +++ [pid 3486] unlink("./216/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4959] close(22) = -1 EBADF (Bad file descriptor) [pid 4959] close(23 [pid 3486] <... unlink resumed>) = 0 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./213/binderfs", [pid 4959] close(24) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4959] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./213/binderfs" [pid 3483] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./216/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] close(26 [pid 3485] <... unlink resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] close(27 [pid 3482] <... openat resumed>) = 3 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(28 [pid 3482] fstat(3, [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./216/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] close(29) = -1 EBADF (Bad file descriptor) [pid 4959] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 4959] exit_group(0) = ? [pid 4959] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./213/cgroup", [pid 3483] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./213/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] lstat("./216/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./216/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./199/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./213/cgroup.net", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./199/binderfs" [pid 3481] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./213/cgroup.net" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./205/binderfs", [pid 3482] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./205/binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./208/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./199/cgroup", [pid 3481] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] close(3 [pid 3485] lstat("./213/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... openat resumed>) = 3 [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./208/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./199/cgroup" [pid 3486] rmdir("./216" [pid 3485] unlink("./213/cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./205/cgroup", [pid 3482] <... unlink resumed>) = 0 [pid 3481] fstat(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... rmdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./205/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] mkdir("./217", 0777 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./208/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./199/cgroup.net", [pid 3481] getdents64(3, [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./208/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./199/cgroup.net" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] rmdir("./213" [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./205/cgroup.net", [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4960 attached [pid 3485] <... rmdir resumed>) = 0 [pid 3484] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] mkdir("./214", 0777 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./205/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4960] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 220 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] lstat("./208/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./199/cgroup.cpu", [pid 4960] <... set_robust_list resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4961 attached [pid 4960] chdir("./217" [pid 3484] unlink("./208/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./199/cgroup.cpu" [pid 3481] lstat("./197/binderfs", [pid 4961] set_robust_list(0x5555564df6e0, 24 [pid 4960] <... chdir resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 217 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./205/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 4961] <... set_robust_list resumed>) = 0 [pid 4960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] getdents64(3, [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4961] chdir("./214" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./205/cgroup.cpu" [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] unlink("./197/binderfs" [pid 4961] <... chdir resumed>) = 0 [pid 4960] <... prctl resumed>) = 0 [pid 3484] lstat("./208/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 3481] <... unlink resumed>) = 0 [pid 4961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4960] setpgid(0, 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] getdents64(3, [pid 3482] <... close resumed>) = 0 [pid 3481] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4961] <... prctl resumed>) = 0 [pid 4960] <... setpgid resumed>) = 0 [pid 3484] unlink("./208/cgroup.cpu" [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] rmdir("./199" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4961] setpgid(0, 0 [pid 4960] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] <... unlink resumed>) = 0 [pid 3483] close(3 [pid 3482] <... rmdir resumed>) = 0 [pid 3481] lstat("./197/cgroup", [pid 4961] <... setpgid resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... close resumed>) = 0 [pid 3482] mkdir("./200", 0777 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4961] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4960] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] rmdir("./205" [pid 3482] <... mkdir resumed>) = 0 [pid 3481] unlink("./197/cgroup" [pid 4961] <... symlink resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 3484] close(3 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4962 attached [pid 4961] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4960] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] <... close resumed>) = 0 [pid 3483] mkdir("./206", 0777 [pid 3481] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4962] set_robust_list(0x5555564df6e0, 24 [pid 4961] <... symlink resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 3484] rmdir("./208" [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4962] <... set_robust_list resumed>) = 0 [pid 4961] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4962] chdir("./200" [pid 4961] <... symlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] lstat("./197/cgroup.net", ./strace-static-x86_64: Process 4963 attached [pid 4962] <... chdir resumed>) = 0 [pid 4961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4960] <... openat resumed>) = 3 [pid 3484] mkdir("./209", 0777 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4963] set_robust_list(0x5555564df6e0, 24 [pid 4962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4961] <... openat resumed>) = 3 [pid 4960] write(3, "1000", 4 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 209 [pid 3481] unlink("./197/cgroup.net" [pid 4963] <... set_robust_list resumed>) = 0 [pid 4962] <... prctl resumed>) = 0 [pid 4961] write(3, "1000", 4 [pid 4960] <... write resumed>) = 4 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4964 attached [pid 4963] chdir("./206" [pid 4962] setpgid(0, 0 [pid 4961] <... write resumed>) = 4 [pid 4960] close(3 [pid 3481] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] set_robust_list(0x5555564df6e0, 24 [pid 4963] <... chdir resumed>) = 0 [pid 4962] <... setpgid resumed>) = 0 [pid 4961] close(3 [pid 4960] <... close resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 212 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] <... set_robust_list resumed>) = 0 [pid 4963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4962] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4961] <... close resumed>) = 0 [pid 4960] symlink("/dev/binderfs", "./binderfs" [pid 3481] lstat("./197/cgroup.cpu", [pid 4964] chdir("./209" [pid 4963] <... prctl resumed>) = 0 [pid 4961] symlink("/dev/binderfs", "./binderfs" [pid 4962] <... symlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4963] setpgid(0, 0 [pid 4961] <... symlink resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 3481] unlink("./197/cgroup.cpu" [pid 4964] <... chdir resumed>) = 0 [pid 4963] <... setpgid resumed>) = 0 [pid 4962] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4961] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4960] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3481] <... unlink resumed>) = 0 [pid 4964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4963] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4962] <... symlink resumed>) = 0 [pid 4961] <... socket resumed>) = 3 [pid 4960] <... socket resumed>) = 3 [pid 3481] getdents64(3, [pid 4964] <... prctl resumed>) = 0 [pid 4963] <... symlink resumed>) = 0 [pid 4962] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4961] close(3 [pid 4960] close(3 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4964] setpgid(0, 0 [pid 4963] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4961] <... close resumed>) = 0 [pid 3481] close(3 [pid 4964] <... setpgid resumed>) = 0 [pid 4963] <... symlink resumed>) = 0 [pid 4962] <... symlink resumed>) = 0 [pid 4961] close(4 [pid 4960] <... close resumed>) = 0 [pid 3481] <... close resumed>) = 0 [pid 4964] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4963] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] rmdir("./197" [pid 4960] close(4 [pid 4964] <... symlink resumed>) = 0 [pid 4963] <... symlink resumed>) = 0 [pid 4962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4961] close(5 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... rmdir resumed>) = 0 [pid 4963] <... openat resumed>) = 3 [pid 4962] <... openat resumed>) = 3 [pid 4961] close(6 [pid 4960] close(5 [pid 3481] mkdir("./198", 0777 [pid 4964] <... symlink resumed>) = 0 [pid 4963] write(3, "1000", 4 [pid 4962] write(3, "1000", 4 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... mkdir resumed>) = 0 [pid 4963] <... write resumed>) = 4 [pid 4961] close(7 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4965 attached [pid 4964] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4963] close(3 [pid 4962] <... write resumed>) = 4 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(6 [pid 4965] set_robust_list(0x5555564df6e0, 24 [pid 4963] <... close resumed>) = 0 [pid 4961] close(8 [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 201 [pid 4965] <... set_robust_list resumed>) = 0 [pid 4964] <... symlink resumed>) = 0 [pid 4963] symlink("/dev/binderfs", "./binderfs" [pid 4962] close(3 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] chdir("./198" [pid 4964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4963] <... symlink resumed>) = 0 [pid 4962] <... close resumed>) = 0 [pid 4961] close(9 [pid 4960] close(7 [pid 4965] <... chdir resumed>) = 0 [pid 4964] <... openat resumed>) = 3 [pid 4963] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4962] symlink("/dev/binderfs", "./binderfs" [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4964] write(3, "1000", 4 [pid 4963] <... socket resumed>) = 3 [pid 4961] close(10 [pid 4965] <... prctl resumed>) = 0 [pid 4964] <... write resumed>) = 4 [pid 4963] close(3 [pid 4962] <... symlink resumed>) = 0 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(8 [pid 4965] setpgid(0, 0 [pid 4964] close(3 [pid 4963] <... close resumed>) = 0 [pid 4962] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4961] close(11 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... setpgid resumed>) = 0 [pid 4964] <... close resumed>) = 0 [pid 4963] close(4 [pid 4962] <... socket resumed>) = 3 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(9 [pid 4965] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4964] symlink("/dev/binderfs", "./binderfs" [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(3 [pid 4961] close(12 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... symlink resumed>) = 0 [pid 4963] close(5 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4964] <... symlink resumed>) = 0 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = 0 [pid 4961] close(13 [pid 4960] close(10 [pid 4965] <... symlink resumed>) = 0 [pid 4964] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4963] close(6 [pid 4962] close(4 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4964] <... socket resumed>) = 3 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(14 [pid 4960] close(11 [pid 4965] <... symlink resumed>) = 0 [pid 4964] close(3 [pid 4963] close(7 [pid 4962] close(5 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = 0 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(15 [pid 4960] close(12 [pid 4965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4964] close(4 [pid 4962] close(6 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... openat resumed>) = 3 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(8 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(13 [pid 4965] write(3, "1000", 4 [pid 4964] close(5 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(7 [pid 4961] close(16 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... write resumed>) = 4 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(9 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(14 [pid 4965] close(3 [pid 4964] close(6 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(8 [pid 4961] close(17 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = 0 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(10 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(15 [pid 4965] symlink("/dev/binderfs", "./binderfs" [pid 4964] close(7 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(9 [pid 4961] close(18 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... symlink resumed>) = 0 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(11 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(16 [pid 4965] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4964] close(8 [pid 4962] close(10 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... socket resumed>) = 3 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(19 [pid 4960] close(17 [pid 4963] close(12 [pid 4965] close(3 [pid 4964] close(9 [pid 4962] close(11 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = 0 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(18 [pid 4965] close(4 [pid 4964] close(10 [pid 4963] close(13 [pid 4962] close(12 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(20 [pid 4960] close(19 [pid 4965] close(5 [pid 4964] close(11 [pid 4962] close(13 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(14 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(20 [pid 4965] close(6 [pid 4964] close(12 [pid 4962] close(14 [pid 4961] close(21 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(21 [pid 4964] close(13 [pid 4962] close(15 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(22 [pid 4964] close(14 [pid 4962] close(16 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(23 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(15 [pid 4963] close(15 [pid 4962] close(17 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(7 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(22 [pid 4960] close(24 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(16 [pid 4963] close(16 [pid 4962] close(18 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(8 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(25 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(17 [pid 4963] close(17 [pid 4962] close(19 [pid 4961] close(23 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(9 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(26 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(18 [pid 4963] close(18 [pid 4962] close(20 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(10 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(27 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(19 [pid 4963] close(19 [pid 4962] close(21 [pid 4961] close(24 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(11 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(28 [pid 4964] close(20 [pid 4962] close(22 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(20 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(25 [pid 4960] close(29 [pid 4965] close(12 [pid 4964] close(21 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(23 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(21 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(26 [pid 4960] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4965] close(13 [pid 4964] close(22 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(24 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... write resumed>) = 335 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(22 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(27 [pid 4960] exit_group(0 [pid 4965] close(14 [pid 4964] close(23 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(25 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... exit_group resumed>) = ? [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(23 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(28 [pid 4965] close(15 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(24 [pid 4960] +++ exited with 0 +++ [pid 4965] close(16 [pid 4964] close(24 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(26 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(25 [pid 4965] close(17 [pid 4964] close(25 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(29 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(26 [pid 4962] close(27 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(18write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4964] close(26 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(27 [pid 4962] close(28 [pid 4961] <... write resumed>) = 335 [pid 4965] close(19 [pid 4964] close(27 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4961] exit_group(0 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] close(20 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4962] close(29 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(28 [pid 4963] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4961] <... exit_group resumed>) = ? [pid 3486] <... openat resumed>) = 3 [pid 4965] close(21 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(29 [pid 4963] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4965] close(22 [pid 4963] <... write resumed>) = 335 [pid 4962] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] getdents64(3, [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] exit_group(0 [pid 4962] <... write resumed>) = 335 [pid 4961] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4965] close(23 [pid 4964] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4963] <... exit_group resumed>) = ? [pid 4962] exit_group(0 [pid 3486] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... write resumed>) = 335 [pid 4963] +++ exited with 0 +++ [pid 4962] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4965] close(24 [pid 4964] exit_group(0 [pid 3486] lstat("./217/binderfs", [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 4965] close(25 [pid 4962] +++ exited with 0 +++ [pid 3486] unlink("./217/binderfs" [pid 4964] <... exit_group resumed>) = ? [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4965] close(26 [pid 3486] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4965] close(27 [pid 4964] +++ exited with 0 +++ [pid 3486] lstat("./217/cgroup", [pid 3485] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... openat resumed>) = 3 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] fstat(3, [pid 4965] close(28 [pid 3486] unlink("./217/cgroup" [pid 3485] fstat(3, [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] getdents64(3, [pid 4965] close(29 [pid 3486] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... restart_syscall resumed>) = 0 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4965] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] lstat("./217/cgroup.net", [pid 3485] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./206/binderfs", [pid 3484] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4965] exit_group(0 [pid 3486] unlink("./217/cgroup.net" [pid 3485] lstat("./214/binderfs", [pid 3484] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... exit_group resumed>) = ? [pid 3484] fstat(3, [pid 3482] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] unlink("./206/binderfs" [pid 3482] fstat(3, [pid 3486] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./214/binderfs" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./209/binderfs", [pid 3482] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./209/binderfs" [pid 3482] lstat("./200/binderfs", [pid 4965] +++ exited with 0 +++ [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./200/binderfs" [pid 3486] lstat("./217/cgroup.cpu", [pid 3485] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./209/cgroup", [pid 3483] lstat("./206/cgroup", [pid 3482] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./217/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./209/cgroup" [pid 3482] lstat("./200/cgroup", [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./214/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./206/cgroup" [pid 3482] unlink("./200/cgroup" [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./214/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 3484] lstat("./209/cgroup.net", [pid 3482] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./209/cgroup.net" [pid 3482] lstat("./200/cgroup.net", [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3485] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] rmdir("./217" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./200/cgroup.net" [pid 3481] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... rmdir resumed>) = 0 [pid 3485] lstat("./214/cgroup.net", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... openat resumed>) = 3 [pid 3486] mkdir("./218", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./209/cgroup.cpu", [pid 3483] lstat("./206/cgroup.net", [pid 3482] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] fstat(3, [pid 3486] <... mkdir resumed>) = 0 [pid 3485] unlink("./214/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./209/cgroup.cpu" [pid 3482] lstat("./200/cgroup.cpu", [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./206/cgroup.net" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 4966 attached [pid 3485] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./200/cgroup.cpu" [pid 3481] getdents64(3, [pid 4966] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 221 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4966] <... set_robust_list resumed>) = 0 [pid 3485] lstat("./214/cgroup.cpu", [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4966] chdir("./218" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] close(3 [pid 3483] lstat("./206/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4966] <... chdir resumed>) = 0 [pid 3485] unlink("./214/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] lstat("./198/binderfs", [pid 4966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./206/cgroup.cpu" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4966] <... prctl resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 3481] unlink("./198/binderfs" [pid 4966] setpgid(0, 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] rmdir("./209" [pid 3483] getdents64(3, [pid 3481] <... unlink resumed>) = 0 [pid 4966] <... setpgid resumed>) = 0 [pid 3485] close(3 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4966] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... close resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] close(3 [pid 3482] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4966] <... symlink resumed>) = 0 [pid 3485] rmdir("./214" [pid 3483] <... close resumed>) = 0 [pid 3481] lstat("./198/cgroup", [pid 4966] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] mkdir("./210", 0777 [pid 3483] rmdir("./206" [pid 3482] <... close resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4966] <... symlink resumed>) = 0 [pid 3485] mkdir("./215", 0777 [pid 3481] unlink("./198/cgroup" [pid 4966] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] rmdir("./200" [pid 3481] <... unlink resumed>) = 0 [pid 4966] <... symlink resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4967 attached [pid 4966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] <... rmdir resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4967] set_robust_list(0x5555564df6e0, 24 [pid 4966] <... openat resumed>) = 3 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 218 [pid 3483] mkdir("./207", 0777 [pid 3481] lstat("./198/cgroup.net", ./strace-static-x86_64: Process 4968 attached [pid 4967] <... set_robust_list resumed>) = 0 [pid 4966] write(3, "1000", 4 [pid 3482] mkdir("./201", 0777 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4968] set_robust_list(0x5555564df6e0, 24 [pid 4967] chdir("./215" [pid 4966] <... write resumed>) = 4 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 213 [pid 3483] <... mkdir resumed>) = 0 [pid 3481] unlink("./198/cgroup.net" [pid 4968] <... set_robust_list resumed>) = 0 [pid 4967] <... chdir resumed>) = 0 [pid 4966] close(3 [pid 3482] <... mkdir resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4968] chdir("./210" [pid 4967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4966] <... close resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4968] <... chdir resumed>) = 0 [pid 4967] <... prctl resumed>) = 0 [pid 4966] symlink("/dev/binderfs", "./binderfs" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4967] setpgid(0, 0 [pid 4966] <... symlink resumed>) = 0 [pid 3481] lstat("./198/cgroup.cpu", [pid 4968] <... prctl resumed>) = 0 [pid 4967] <... setpgid resumed>) = 0 [pid 4966] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4969 attached [pid 4968] setpgid(0, 0 [pid 4967] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4966] <... socket resumed>) = 3 [pid 3481] unlink("./198/cgroup.cpu"./strace-static-x86_64: Process 4970 attached [pid 4969] set_robust_list(0x5555564df6e0, 24 [pid 4968] <... setpgid resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] close(3 [pid 3481] <... unlink resumed>) = 0 [pid 4970] set_robust_list(0x5555564df6e0, 24 [pid 4969] <... set_robust_list resumed>) = 0 [pid 4968] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4967] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4966] <... close resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 [pid 3481] getdents64(3, [pid 4970] <... set_robust_list resumed>) = 0 [pid 4969] chdir("./201" [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] close(4 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 210 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4970] chdir("./207" [pid 4969] <... chdir resumed>) = 0 [pid 4968] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4967] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] close(3 [pid 4970] <... chdir resumed>) = 0 [pid 4969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] close(5 [pid 3481] <... close resumed>) = 0 [pid 4970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4969] <... prctl resumed>) = 0 [pid 4968] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] rmdir("./198" [pid 4970] <... prctl resumed>) = 0 [pid 4969] setpgid(0, 0 [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... openat resumed>) = 3 [pid 4966] close(6 [pid 3481] <... rmdir resumed>) = 0 [pid 4970] setpgid(0, 0 [pid 4969] <... setpgid resumed>) = 0 [pid 4968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4967] write(3, "1000", 4 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] mkdir("./199", 0777 [pid 4970] <... setpgid resumed>) = 0 [pid 4969] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4968] <... openat resumed>) = 3 [pid 4967] <... write resumed>) = 4 [pid 4966] close(7 [pid 3481] <... mkdir resumed>) = 0 [pid 4970] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4969] <... symlink resumed>) = 0 [pid 4968] write(3, "1000", 4 [pid 4967] close(3 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4971 attached [pid 4970] <... symlink resumed>) = 0 [pid 4969] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4968] <... write resumed>) = 4 [pid 4967] <... close resumed>) = 0 [pid 4966] close(8 [pid 4971] set_robust_list(0x5555564df6e0, 24 [pid 4970] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4969] <... symlink resumed>) = 0 [pid 4968] close(3 [pid 4967] symlink("/dev/binderfs", "./binderfs" [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 202 [pid 4971] <... set_robust_list resumed>) = 0 [pid 4970] <... symlink resumed>) = 0 [pid 4969] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4968] <... close resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] close(9 [pid 4971] chdir("./199" [pid 4970] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4969] <... symlink resumed>) = 0 [pid 4968] symlink("/dev/binderfs", "./binderfs" [pid 4967] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... chdir resumed>) = 0 [pid 4970] <... symlink resumed>) = 0 [pid 4969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... socket resumed>) = 3 [pid 4966] close(10 [pid 4971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4969] <... openat resumed>) = 3 [pid 4968] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4967] close(3 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... prctl resumed>) = 0 [pid 4970] <... openat resumed>) = 3 [pid 4969] write(3, "1000", 4 [pid 4968] <... socket resumed>) = 3 [pid 4967] <... close resumed>) = 0 [pid 4966] close(11 [pid 4971] setpgid(0, 0 [pid 4970] write(3, "1000", 4 [pid 4969] <... write resumed>) = 4 [pid 4968] close(3 [pid 4967] close(4 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... setpgid resumed>) = 0 [pid 4970] <... write resumed>) = 4 [pid 4969] close(3 [pid 4968] <... close resumed>) = 0 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(12 [pid 4971] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4970] close(3 [pid 4969] <... close resumed>) = 0 [pid 4968] close(4 [pid 4967] close(5 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... symlink resumed>) = 0 [pid 4970] <... close resumed>) = 0 [pid 4969] symlink("/dev/binderfs", "./binderfs" [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(13 [pid 4971] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4970] symlink("/dev/binderfs", "./binderfs" [pid 4969] <... symlink resumed>) = 0 [pid 4968] close(5 [pid 4967] close(6 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... symlink resumed>) = 0 [pid 4969] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(14 [pid 4971] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4970] <... symlink resumed>) = 0 [pid 4969] <... socket resumed>) = 3 [pid 4968] close(6 [pid 4967] close(7 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... symlink resumed>) = 0 [pid 4970] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4969] close(3 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(15 [pid 4971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4970] <... socket resumed>) = 3 [pid 4969] <... close resumed>) = 0 [pid 4968] close(7 [pid 4967] close(8 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... openat resumed>) = 3 [pid 4970] close(3 [pid 4969] close(4 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(16 [pid 4971] write(3, "1000", 4 [pid 4970] <... close resumed>) = 0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(8 [pid 4967] close(9 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... write resumed>) = 4 [pid 4970] close(4 [pid 4969] close(5 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(17 [pid 4971] close(3 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(9 [pid 4967] close(10 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = 0 [pid 4970] close(5 [pid 4969] close(6 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(18 [pid 4971] symlink("/dev/binderfs", "./binderfs" [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(10 [pid 4967] close(11 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... symlink resumed>) = 0 [pid 4970] close(6 [pid 4969] close(7 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(19 [pid 4971] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(11 [pid 4967] close(12 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... socket resumed>) = 3 [pid 4970] close(7 [pid 4969] close(8 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(20 [pid 4971] close(3 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(12 [pid 4967] close(13 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = 0 [pid 4970] close(8 [pid 4969] close(9 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(21 [pid 4971] close(4 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(13 [pid 4967] close(14 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(9 [pid 4969] close(10 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(22 [pid 4971] close(5 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(14 [pid 4967] close(15 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(10 [pid 4969] close(11 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(23 [pid 4971] close(6 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(15 [pid 4967] close(16 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(11 [pid 4969] close(12 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(24 [pid 4971] close(7 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(16 [pid 4967] close(17 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(12 [pid 4969] close(13 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(25 [pid 4971] close(8 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(17 [pid 4967] close(18 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(13 [pid 4969] close(14 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(26 [pid 4971] close(9 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(18 [pid 4967] close(19 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(14 [pid 4969] close(15 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(27 [pid 4971] close(10 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(19 [pid 4967] close(20 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(15 [pid 4969] close(16 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(28 [pid 4971] close(11 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(20 [pid 4967] close(21 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(16 [pid 4969] close(17 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(29 [pid 4971] close(12 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(21 [pid 4967] close(22 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(17 [pid 4969] close(18 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4971] close(13 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(18write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(22 [pid 4967] close(23 [pid 4966] <... write resumed>) = 335 [pid 4971] close(14 [pid 4970] close(19 [pid 4969] close(19 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] exit_group(0 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(23 [pid 4967] close(24 [pid 4966] <... exit_group resumed>) = ? [pid 4971] close(15 [pid 4970] close(20 [pid 4969] close(20 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(21 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(24 [pid 4967] close(25 [pid 4966] +++ exited with 0 +++ [pid 4971] close(16 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(21 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(22 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(25 [pid 4967] close(26 [pid 4971] close(17 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(22 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(23 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(26 [pid 4967] close(27 [pid 4971] close(18 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(23 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(24 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(27 [pid 4967] close(28 [pid 4971] close(19 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(24 [pid 4970] close(25) = -1 EBADF (Bad file descriptor) [pid 4970] close(26 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4971] close(20 [pid 4970] close(27 [pid 4969] close(25 [pid 4968] close(28 [pid 4967] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4971] close(21 [pid 4970] close(28 [pid 4969] close(26 [pid 4968] close(29 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... openat resumed>) = 3 [pid 4971] close(22 [pid 4970] close(29 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... write resumed>) = 335 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... write resumed>) = 335 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4969] close(27 [pid 4968] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4967] exit_group(0 [pid 4971] close(23 [pid 4970] exit_group(0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... write resumed>) = 335 [pid 4967] <... exit_group resumed>) = ? [pid 3486] fstat(3, [pid 4970] <... exit_group resumed>) = ? [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] +++ exited with 0 +++ [pid 4971] close(24 [pid 4969] close(28 [pid 4968] exit_group(0 [pid 4967] +++ exited with 0 +++ [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 4971] close(25 [pid 4969] close(29 [pid 4968] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4971] close(26write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4969] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... write resumed>) = 335 [pid 3486] lstat("./218/binderfs", [pid 3485] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4971] close(27 [pid 4969] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... exit_group resumed>) = ? [pid 3486] unlink("./218/binderfs" [pid 3485] fstat(3, [pid 3483] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4971] close(28 [pid 4969] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3483] fstat(3, [pid 4971] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./218/cgroup", [pid 3485] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4971] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 4971] <... write resumed>) = 335 [pid 3486] unlink("./218/cgroup" [pid 3485] lstat("./215/binderfs", [pid 3484] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... restart_syscall resumed>) = 0 [pid 4971] exit_group(0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4971] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./215/binderfs" [pid 3484] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4971] +++ exited with 0 +++ [pid 3486] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] lstat("./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] lstat("./207/binderfs", [pid 3482] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./218/cgroup.net") = 0 [pid 3485] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./207/binderfs" [pid 3482] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./215/cgroup", [pid 3484] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./218/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./218/cgroup.cpu" [pid 3481] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./215/cgroup" [pid 3484] lstat("./210/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 3481] fstat(3, [pid 3486] getdents64(3, [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] getdents64(3, [pid 3486] close(3 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3486] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] rmdir("./218" [pid 3483] lstat("./207/cgroup", [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./210/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] getdents64(3, [pid 3481] lstat("./199/binderfs", [pid 3486] mkdir("./219", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./215/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./207/cgroup" [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] unlink("./199/binderfs" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4972 attached [pid 3485] unlink("./215/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4972] set_robust_list(0x5555564df6e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 222 [pid 3485] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] <... set_robust_list resumed>) = 0 [pid 3485] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./210/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] lstat("./199/cgroup", [pid 4972] chdir("./219" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./207/cgroup.net", [pid 3482] lstat("./201/binderfs", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4972] <... chdir resumed>) = 0 [pid 3485] lstat("./215/cgroup.cpu", [pid 3481] unlink("./199/cgroup" [pid 4972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./210/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4972] <... prctl resumed>) = 0 [pid 3485] unlink("./215/cgroup.cpu" [pid 3481] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4972] setpgid(0, 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./207/cgroup.net" [pid 3482] unlink("./201/binderfs" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] <... setpgid resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./199/cgroup.net", [pid 4972] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 3481] unlink("./199/cgroup.net" [pid 4972] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./210/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 3485] rmdir("./215" [pid 3481] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4972] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./207/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] <... symlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./210/cgroup.net" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] mkdir("./216", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./201/cgroup", [pid 3481] lstat("./199/cgroup.cpu", [pid 4972] <... openat resumed>) = 3 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./207/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4972] write(3, "1000", 4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./199/cgroup.cpu"./strace-static-x86_64: Process 4973 attached [pid 4972] <... write resumed>) = 4 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./201/cgroup" [pid 3481] <... unlink resumed>) = 0 [pid 4973] set_robust_list(0x5555564df6e0, 24 [pid 4972] close(3 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 219 [pid 3484] lstat("./210/cgroup.cpu", [pid 3483] getdents64(3, [pid 3481] getdents64(3, [pid 4973] <... set_robust_list resumed>) = 0 [pid 4972] <... close resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4973] chdir("./216" [pid 4972] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3481] close(3 [pid 4973] <... chdir resumed>) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 3484] unlink("./210/cgroup.cpu" [pid 3483] close(3 [pid 3482] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... close resumed>) = 0 [pid 4973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4972] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 3481] rmdir("./199" [pid 4973] <... prctl resumed>) = 0 [pid 4972] <... socket resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... rmdir resumed>) = 0 [pid 4973] setpgid(0, 0 [pid 4972] close(3 [pid 3481] mkdir("./200", 0777 [pid 4973] <... setpgid resumed>) = 0 [pid 4972] <... close resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] rmdir("./207" [pid 3482] lstat("./201/cgroup.net", [pid 3481] <... mkdir resumed>) = 0 [pid 4973] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4972] close(4 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4974 attached [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4974] set_robust_list(0x5555564df6e0, 24 [pid 4973] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4972] close(5 [pid 3484] close(3 [pid 3483] mkdir("./208", 0777 [pid 3482] unlink("./201/cgroup.net" [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 203 [pid 4974] <... set_robust_list resumed>) = 0 [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 4974] chdir("./200" [pid 4973] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4972] close(6 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4974] <... chdir resumed>) = 0 [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./210" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4975 attached [pid 4974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4972] close(7 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4975] set_robust_list(0x5555564df6e0, 24 [pid 4974] <... prctl resumed>) = 0 [pid 4973] <... openat resumed>) = 3 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./211", 0777 [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 211 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4975] <... set_robust_list resumed>) = 0 [pid 4974] setpgid(0, 0 [pid 4973] write(3, "1000", 4 [pid 4972] close(8 [pid 4975] chdir("./208" [pid 4974] <... setpgid resumed>) = 0 [pid 4973] <... write resumed>) = 4 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 4975] <... chdir resumed>) = 0 [pid 4974] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4973] close(3 [pid 4972] close(9 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] lstat("./201/cgroup.cpu", [pid 4975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4974] <... symlink resumed>) = 0 [pid 4973] <... close resumed>) = 0 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... prctl resumed>) = 0 [pid 4974] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4973] symlink("/dev/binderfs", "./binderfs" [pid 4972] close(10./strace-static-x86_64: Process 4976 attached [pid 4975] setpgid(0, 0 [pid 4974] <... symlink resumed>) = 0 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4976] set_robust_list(0x5555564df6e0, 24 [pid 4975] <... setpgid resumed>) = 0 [pid 4974] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4973] <... symlink resumed>) = 0 [pid 4972] close(11 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 214 [pid 4976] <... set_robust_list resumed>) = 0 [pid 4975] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4974] <... symlink resumed>) = 0 [pid 4973] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./201/cgroup.cpu" [pid 4976] chdir("./211" [pid 4975] <... symlink resumed>) = 0 [pid 4974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4973] <... socket resumed>) = 3 [pid 4972] close(12 [pid 4976] <... chdir resumed>) = 0 [pid 4975] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4974] <... openat resumed>) = 3 [pid 4973] close(3 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4975] <... symlink resumed>) = 0 [pid 4974] write(3, "1000", 4 [pid 4973] <... close resumed>) = 0 [pid 4972] close(13 [pid 4976] <... prctl resumed>) = 0 [pid 4975] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4974] <... write resumed>) = 4 [pid 4973] close(4 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 4976] setpgid(0, 0 [pid 4975] <... symlink resumed>) = 0 [pid 4974] close(3 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(14 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4976] <... setpgid resumed>) = 0 [pid 4975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4974] <... close resumed>) = 0 [pid 4973] close(5 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... openat resumed>) = 3 [pid 4974] symlink("/dev/binderfs", "./binderfs" [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(15 [pid 3482] close(3 [pid 4976] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4975] write(3, "1000", 4 [pid 4974] <... symlink resumed>) = 0 [pid 4973] close(6 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... symlink resumed>) = 0 [pid 4975] <... write resumed>) = 4 [pid 4974] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(16 [pid 3482] <... close resumed>) = 0 [pid 4976] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4975] close(3 [pid 4974] <... socket resumed>) = 3 [pid 4973] close(7 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./201" [pid 4976] <... symlink resumed>) = 0 [pid 4975] <... close resumed>) = 0 [pid 4974] close(3 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(17 [pid 4976] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4975] symlink("/dev/binderfs", "./binderfs" [pid 4974] <... close resumed>) = 0 [pid 4973] close(8 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 4976] <... symlink resumed>) = 0 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(18 [pid 3482] mkdir("./202", 0777 [pid 4976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4975] <... symlink resumed>) = 0 [pid 4974] close(4 [pid 4973] close(9 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 4976] <... openat resumed>) = 3 [pid 4975] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(19 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4976] write(3, "1000", 4 [pid 4975] <... socket resumed>) = 3 [pid 4974] close(5 [pid 4973] close(10 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4977 attached [pid 4976] <... write resumed>) = 4 [pid 4975] close(3 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(20 [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 4977] set_robust_list(0x5555564df6e0, 24 [pid 4976] close(3 [pid 4975] <... close resumed>) = 0 [pid 4974] close(6 [pid 4973] close(11 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... set_robust_list resumed>) = 0 [pid 4976] <... close resumed>) = 0 [pid 4975] close(4 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(21 [pid 4977] chdir("./202" [pid 4976] symlink("/dev/binderfs", "./binderfs" [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(7 [pid 4973] close(12 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... chdir resumed>) = 0 [pid 4976] <... symlink resumed>) = 0 [pid 4975] close(5 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(22 [pid 4977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4976] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(8 [pid 4973] close(13 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... prctl resumed>) = 0 [pid 4976] <... socket resumed>) = 3 [pid 4975] close(6 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(23 [pid 4977] setpgid(0, 0 [pid 4976] close(3 [pid 4973] close(14 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... setpgid resumed>) = 0 [pid 4976] <... close resumed>) = 0 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(9 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(24 [pid 4977] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4976] close(4 [pid 4975] close(7 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(15 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(10 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(25 [pid 4977] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4976] close(5 [pid 4975] close(8 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(16 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(11 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(26 [pid 4977] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4976] close(6 [pid 4973] close(17 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(27 [pid 4977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4976] close(7 [pid 4975] close(9 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(18 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... openat resumed>) = 3 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(12 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(28 [pid 4977] write(3, "1000", 4 [pid 4976] close(8 [pid 4975] close(10 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(19 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... write resumed>) = 4 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(13 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(29 [pid 4977] close(3 [pid 4976] close(9 [pid 4975] close(11 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(20 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(14write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4977] symlink("/dev/binderfs", "./binderfs" [pid 4976] close(10 [pid 4975] close(12 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(21 [pid 4972] <... write resumed>) = 335 [pid 4977] <... symlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(15 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] exit_group(0 [pid 4977] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4976] close(11 [pid 4975] close(13 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] <... exit_group resumed>) = ? [pid 4977] <... socket resumed>) = 3 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(16 [pid 4973] close(22 [pid 4975] close(14 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(3 [pid 4976] close(12 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(17 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(15 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(18 [pid 4977] <... close resumed>) = 0 [pid 4976] close(13 [pid 4975] close(16 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(23 [pid 4977] close(4 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(19 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] +++ exited with 0 +++ [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(17 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(24 [pid 4976] close(14 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4977] close(5 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(20 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(15 [pid 4975] close(18 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(25 [pid 4977] close(6 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(21 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(16 [pid 4975] close(19 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(26 [pid 3486] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4977] close(7 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(22 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(17 [pid 4975] close(20 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(27 [pid 3486] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4977] close(8 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(23 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(18 [pid 4975] close(21 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(28 [pid 3486] <... openat resumed>) = 3 [pid 4977] close(9 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(24 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(19 [pid 4975] close(22 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 4977] close(10 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(25 [pid 4973] close(29 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(20 [pid 4975] close(23 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4977] close(11 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(26 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(21 [pid 4975] close(24 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4977] close(12 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(27 [pid 4973] <... write resumed>) = 335 [pid 3486] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(22 [pid 4975] close(25 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] exit_group(0 [pid 4977] close(13 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(23 [pid 4975] close(26 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... exit_group resumed>) = ? [pid 3486] lstat("./219/binderfs", [pid 4977] close(14 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(29 [pid 4975] close(27 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4975] close(28 [pid 4974] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(24 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4974] exit_group(0 [pid 4973] +++ exited with 0 +++ [pid 4977] close(15 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(29 [pid 4974] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3486] unlink("./219/binderfs" [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(25 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] +++ exited with 0 +++ [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4975] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 4977] close(16 [pid 4976] close(26 [pid 4975] exit_group(0 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] <... exit_group resumed>) = ? [pid 3486] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4977] close(17 [pid 4976] close(27 [pid 4975] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3481] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3481] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./219/cgroup", [pid 3485] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... openat resumed>) = 3 [pid 4977] close(18 [pid 3481] fstat(3, [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4977] close(19 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./219/cgroup" [pid 3485] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] getdents64(3, [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4977] close(20 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4976] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4977] close(21 [pid 4976] <... write resumed>) = 335 [pid 3486] lstat("./219/cgroup.net", [pid 3485] getdents64(3, [pid 3483] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] exit_group(0 [pid 3483] <... openat resumed>) = 3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4977] close(22 [pid 3483] fstat(3, [pid 3481] lstat("./200/binderfs", [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... exit_group resumed>) = ? [pid 3486] unlink("./219/cgroup.net" [pid 3485] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] getdents64(3, [pid 3481] unlink("./200/binderfs" [pid 4977] close(23 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3481] <... unlink resumed>) = 0 [pid 3483] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./208/binderfs", [pid 3481] lstat("./200/cgroup", [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./216/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4976] +++ exited with 0 +++ [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4977] close(24 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./208/binderfs" [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./219/cgroup.cpu", [pid 3485] unlink("./216/binderfs" [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3481] unlink("./200/cgroup" [pid 4977] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... unlink resumed>) = 0 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./219/cgroup.cpu" [pid 3485] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... restart_syscall resumed>) = 0 [pid 4977] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] lstat("./216/cgroup", [pid 4977] close(27 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] unlink("./216/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./208/cgroup", [pid 4977] close(28 [pid 3486] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./219" [pid 3485] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4977] close(29 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] unlink("./208/cgroup" [pid 3481] lstat("./200/cgroup.net", [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./220", 0777 [pid 3485] lstat("./216/cgroup.net", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4977] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] getdents64(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4977] <... write resumed>) = 335 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] unlink("./216/cgroup.net" [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4978 attached [pid 4977] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./200/cgroup.net" [pid 4978] set_robust_list(0x5555564df6e0, 24 [pid 4977] <... exit_group resumed>) = ? [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 223 [pid 3485] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./208/cgroup.net", [pid 3481] <... unlink resumed>) = 0 [pid 4978] <... set_robust_list resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4978] chdir("./220" [pid 3483] unlink("./208/cgroup.net" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4978] <... chdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3481] lstat("./200/cgroup.cpu", [pid 4978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3483] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4978] <... prctl resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./211/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] unlink("./200/cgroup.cpu" [pid 4978] setpgid(0, 0 [pid 3483] lstat("./208/cgroup.cpu", [pid 3481] <... unlink resumed>) = 0 [pid 4978] <... setpgid resumed>) = 0 [pid 4977] +++ exited with 0 +++ [pid 3485] lstat("./216/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] getdents64(3, [pid 4978] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./208/cgroup.cpu" [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4978] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./211/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 3481] close(3 [pid 4978] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] unlink("./216/cgroup.cpu" [pid 3483] getdents64(3, [pid 3481] <... close resumed>) = 0 [pid 4978] <... symlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] rmdir("./200" [pid 4978] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 3482] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... rmdir resumed>) = 0 [pid 4978] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] mkdir("./201", 0777 [pid 4978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./211/cgroup", [pid 3483] rmdir("./208" [pid 3482] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... mkdir resumed>) = 0 [pid 4978] <... openat resumed>) = 3 [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4978] write(3, "1000", 4 [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./211/cgroup" [pid 3483] mkdir("./209", 0777 [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4979 attached [pid 4978] <... write resumed>) = 4 [pid 3485] rmdir("./216" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 4978] close(3 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 204 ./strace-static-x86_64: Process 4980 attached [pid 4979] set_robust_list(0x5555564df6e0, 24 [pid 4978] <... close resumed>) = 0 [pid 3482] fstat(3, [pid 4980] set_robust_list(0x5555564df6e0, 24 [pid 4979] <... set_robust_list resumed>) = 0 [pid 4978] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 212 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4980] <... set_robust_list resumed>) = 0 [pid 4979] chdir("./201" [pid 4978] <... symlink resumed>) = 0 [pid 3485] mkdir("./217", 0777 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 4980] chdir("./209" [pid 4979] <... chdir resumed>) = 0 [pid 4978] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4980] <... chdir resumed>) = 0 [pid 4978] <... socket resumed>) = 3 [pid 4980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4978] close(3 [pid 4980] <... prctl resumed>) = 0 [pid 4979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4978] <... close resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] lstat("./211/cgroup.net", [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4980] setpgid(0, 0 [pid 4979] <... prctl resumed>) = 0 [pid 4978] close(4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4980] <... setpgid resumed>) = 0 [pid 4979] setpgid(0, 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4979] <... setpgid resumed>) = 0 [pid 4978] close(5 [pid 3484] unlink("./211/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4981 attached [pid 4980] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] set_robust_list(0x5555564df6e0, 24 [pid 4980] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4979] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4978] close(6 [pid 3482] lstat("./202/binderfs", [pid 4981] <... set_robust_list resumed>) = 0 [pid 4980] <... symlink resumed>) = 0 [pid 4979] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 220 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4981] chdir("./217" [pid 4980] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4979] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4978] close(7 [pid 3484] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./202/binderfs" [pid 4981] <... chdir resumed>) = 0 [pid 4980] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4978] close(8 [pid 4979] <... symlink resumed>) = 0 [pid 4981] <... prctl resumed>) = 0 [pid 4980] <... openat resumed>) = 3 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] setpgid(0, 0 [pid 4980] write(3, "1000", 4 [pid 4978] close(9 [pid 3482] <... unlink resumed>) = 0 [pid 4981] <... setpgid resumed>) = 0 [pid 4980] <... write resumed>) = 4 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./211/cgroup.cpu", [pid 4981] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4980] close(3 [pid 4979] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4978] close(10 [pid 3482] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4981] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4980] symlink("/dev/binderfs", "./binderfs" [pid 4979] <... symlink resumed>) = 0 [pid 4978] close(11 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... symlink resumed>) = 0 [pid 4979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./211/cgroup.cpu" [pid 3482] lstat("./202/cgroup", [pid 4981] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4980] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4978] close(12 [pid 4979] <... openat resumed>) = 3 [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... socket resumed>) = 3 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4980] close(3 [pid 4979] write(3, "1000", 4 [pid 4978] close(13 [pid 3484] getdents64(3, [pid 3482] unlink("./202/cgroup" [pid 4981] <... openat resumed>) = 3 [pid 4980] <... close resumed>) = 0 [pid 4979] <... write resumed>) = 4 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4981] write(3, "1000", 4 [pid 4980] close(4 [pid 4979] close(3 [pid 4978] close(14 [pid 3484] close(3 [pid 3482] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4981] <... write resumed>) = 4 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] close(3 [pid 4980] close(5 [pid 4978] close(15 [pid 3482] lstat("./202/cgroup.net", [pid 4981] <... close resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] symlink("/dev/binderfs", "./binderfs" [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4981] symlink("/dev/binderfs", "./binderfs" [pid 4980] close(6 [pid 4978] close(16 [pid 3482] unlink("./202/cgroup.net" [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./211" [pid 3482] <... unlink resumed>) = 0 [pid 4981] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4980] close(7 [pid 4979] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4978] close(17 [pid 3482] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4981] <... socket resumed>) = 3 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] close(3 [pid 4980] close(8 [pid 4979] <... socket resumed>) = 3 [pid 4978] close(18 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] lstat("./202/cgroup.cpu", [pid 4981] <... close resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(3 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./212", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4981] close(4 [pid 4980] close(9 [pid 4979] <... close resumed>) = 0 [pid 4978] close(19 [pid 3482] unlink("./202/cgroup.cpu" [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(4 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4981] close(5 [pid 4980] close(10 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(20 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] getdents64(3, [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(5 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4981] close(6 [pid 4980] close(11 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(21 [pid 3482] close(3 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(6 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 4982 attached [pid 4981] close(7 [pid 4980] close(12 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(22 [pid 3482] rmdir("./202" [pid 4982] set_robust_list(0x5555564df6e0, 24 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(7 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 215 [pid 3482] <... rmdir resumed>) = 0 [pid 4982] <... set_robust_list resumed>) = 0 [pid 4981] close(8 [pid 4980] close(13 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(23 [pid 3482] mkdir("./203", 0777 [pid 4982] chdir("./212" [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(8 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... chdir resumed>) = 0 [pid 4981] close(9 [pid 4980] close(14 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(24 [pid 3482] <... mkdir resumed>) = 0 [pid 4982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(9 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4983 attached [pid 4982] <... prctl resumed>) = 0 [pid 4981] close(10 [pid 4980] close(15 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(25 [pid 4983] set_robust_list(0x5555564df6e0, 24 [pid 4982] setpgid(0, 0 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(10 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 206 [pid 4983] <... set_robust_list resumed>) = 0 [pid 4982] <... setpgid resumed>) = 0 [pid 4981] close(11 [pid 4980] close(16 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(26 [pid 4983] chdir("./203" [pid 4982] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(11 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... chdir resumed>) = 0 [pid 4982] <... symlink resumed>) = 0 [pid 4981] close(12 [pid 4980] close(17 [pid 4978] close(27 [pid 4983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4982] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... prctl resumed>) = 0 [pid 4982] <... symlink resumed>) = 0 [pid 4981] close(13 [pid 4980] close(18 [pid 4979] close(12 [pid 4978] close(28 [pid 4983] setpgid(0, 0 [pid 4982] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... setpgid resumed>) = 0 [pid 4982] <... symlink resumed>) = 0 [pid 4981] close(14 [pid 4980] close(19 [pid 4979] close(13 [pid 4978] close(29 [pid 4983] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... symlink resumed>) = 0 [pid 4981] close(15 [pid 4980] close(20 [pid 4982] <... openat resumed>) = 3 [pid 4979] close(14 [pid 4978] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4983] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4982] write(3, "1000", 4 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... write resumed>) = 4 [pid 4981] close(16 [pid 4980] close(21 [pid 4979] close(15 [pid 4978] <... write resumed>) = 335 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4982] close(3 [pid 4979] close(16 [pid 4981] close(17 [pid 4978] exit_group(0 [pid 4980] close(22 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = 0 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(17 [pid 4978] <... exit_group resumed>) = ? [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] symlink("/dev/binderfs", "./binderfs" [pid 4981] close(18 [pid 4980] close(23 [pid 4979] close(18) = -1 EBADF (Bad file descriptor) [pid 4979] close(19) = -1 EBADF (Bad file descriptor) [pid 4978] +++ exited with 0 +++ [pid 4979] close(20 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... symlink resumed>) = 0 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(21 [pid 4981] close(19 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(24 [pid 4979] close(22 [pid 4983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4982] <... socket resumed>) = 3 [pid 4981] close(20 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] <... openat resumed>) = 3 [pid 4982] close(3 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(25 [pid 4979] close(23 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] close(21 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4983] write(3, "1000", 4 [pid 4982] <... close resumed>) = 0 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(26 [pid 4979] close(24 [pid 3486] <... openat resumed>) = 3 [pid 4983] <... write resumed>) = 4 [pid 4982] close(4 [pid 4981] close(22 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 4983] close(3 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(27 [pid 4979] close(25 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4983] <... close resumed>) = 0 [pid 4982] close(5 [pid 4981] close(23 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 4983] symlink("/dev/binderfs", "./binderfs" [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(28 [pid 4979] close(26 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4982] close(6 [pid 4981] close(24 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(29 [pid 4979] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4982] close(7 [pid 4981] close(25 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./220/binderfs", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4983] <... socket resumed>) = 3 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4979] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4983] close(3 [pid 4982] close(8 [pid 4981] close(26 [pid 4980] <... write resumed>) = 335 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./220/binderfs" [pid 4983] <... close resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] exit_group(0 [pid 4979] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 4982] close(9 [pid 4981] close(27 [pid 4980] <... exit_group resumed>) = ? [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4983] close(4 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] +++ exited with 0 +++ [pid 4979] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] close(10 [pid 4981] close(28 [pid 4979] <... write resumed>) = 335 [pid 4983] close(5 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] exit_group(0 [pid 3486] lstat("./220/cgroup", [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4979] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] close(11 [pid 4981] close(29 [pid 4979] +++ exited with 0 +++ [pid 3486] unlink("./220/cgroup" [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 4983] close(6 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3486] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] close(12 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4983] close(7 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./220/cgroup.net", [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] close(13 [pid 4981] <... write resumed>) = 335 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4983] close(8 [pid 4981] exit_group(0 [pid 3486] unlink("./220/cgroup.net" [pid 3481] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] close(9 [pid 4982] close(14 [pid 4981] +++ exited with 0 +++ [pid 3486] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./220/cgroup.cpu", [pid 4983] close(10 [pid 4982] close(15 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... openat resumed>) = 3 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./220/cgroup.cpu" [pid 3485] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] close(11 [pid 4982] close(16 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 3481] fstat(3, [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4983] close(12 [pid 4982] close(17 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] fstat(3, [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] fstat(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4983] close(13 [pid 4982] close(18 [pid 3486] <... close resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] getdents64(3, [pid 3481] getdents64(3, [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./220" [pid 3485] getdents64(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4983] close(14 [pid 4982] close(19 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./221", 0777 [pid 3485] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] close(15 [pid 4982] close(20 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./209/binderfs", [pid 3481] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./217/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4984 attached [pid 4983] close(16 [pid 4982] close(21 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./209/binderfs" [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] set_robust_list(0x5555564df6e0, 24 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 224 [pid 3485] unlink("./217/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 4984] <... set_robust_list resumed>) = 0 [pid 4983] close(17 [pid 4982] close(22 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] lstat("./201/binderfs", [pid 4984] chdir("./221" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... chdir resumed>) = 0 [pid 4983] close(18 [pid 4982] close(23 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./209/cgroup", [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./217/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4984] <... prctl resumed>) = 0 [pid 4983] close(19 [pid 4982] close(24 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./209/cgroup" [pid 3481] unlink("./201/binderfs" [pid 4984] setpgid(0, 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./217/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 4984] <... setpgid resumed>) = 0 [pid 4983] close(20 [pid 4982] close(25 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] <... unlink resumed>) = 0 [pid 4984] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... symlink resumed>) = 0 [pid 4983] close(21 [pid 4982] close(26 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./209/cgroup.net", [pid 3481] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./217/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... symlink resumed>) = 0 [pid 4983] close(22 [pid 4982] close(27 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./209/cgroup.net" [pid 3481] lstat("./201/cgroup", [pid 4984] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./217/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4984] <... symlink resumed>) = 0 [pid 4983] close(23 [pid 4982] close(28 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] unlink("./201/cgroup" [pid 4984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... unlink resumed>) = 0 [pid 4984] <... openat resumed>) = 3 [pid 4983] close(24 [pid 4982] close(29 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./209/cgroup.cpu", [pid 3481] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] write(3, "1000", 4 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./217/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... write resumed>) = 4 [pid 4983] close(25write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4982] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./209/cgroup.cpu" [pid 3481] lstat("./201/cgroup.net", [pid 4984] close(3 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... write resumed>) = 335 [pid 3485] unlink("./217/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4984] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3481] unlink("./201/cgroup.net" [pid 4984] symlink("/dev/binderfs", "./binderfs" [pid 4983] close(26 [pid 4982] exit_group(0 [pid 3485] getdents64(3, [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4984] <... symlink resumed>) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... exit_group resumed>) = ? [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] close(3 [pid 3481] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4983] close(27 [pid 3485] close(3 [pid 3483] <... close resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... socket resumed>) = 3 [pid 3485] <... close resumed>) = 0 [pid 3483] rmdir("./209" [pid 3481] lstat("./201/cgroup.cpu", [pid 4984] close(3 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] +++ exited with 0 +++ [pid 3485] rmdir("./217" [pid 3483] <... rmdir resumed>) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4984] <... close resumed>) = 0 [pid 4983] close(28 [pid 4984] close(4 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] mkdir("./210", 0777 [pid 3481] unlink("./201/cgroup.cpu" [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] close(29 [pid 3485] mkdir("./218", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4984] close(5 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4983] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3481] getdents64(3, [pid 4984] close(6 [pid 4983] <... write resumed>) = 335 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4986 attached ./strace-static-x86_64: Process 4985 attached [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] exit_group(0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 213 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4986] set_robust_list(0x5555564df6e0, 24 [pid 4985] set_robust_list(0x5555564df6e0, 24 [pid 4984] close(7 [pid 4983] <... exit_group resumed>) = ? [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 221 [pid 3484] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] close(3 [pid 4986] <... set_robust_list resumed>) = 0 [pid 4985] <... set_robust_list resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] +++ exited with 0 +++ [pid 3484] <... openat resumed>) = 3 [pid 3481] <... close resumed>) = 0 [pid 4986] chdir("./218" [pid 4985] chdir("./210" [pid 4984] close(8 [pid 3484] fstat(3, [pid 3481] rmdir("./201" [pid 4986] <... chdir resumed>) = 0 [pid 4985] <... chdir resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3481] <... rmdir resumed>) = 0 [pid 4986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4984] close(9 [pid 3484] getdents64(3, [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 3481] mkdir("./202", 0777 [pid 4986] <... prctl resumed>) = 0 [pid 4985] <... prctl resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... restart_syscall resumed>) = 0 [pid 3481] <... mkdir resumed>) = 0 [pid 4986] setpgid(0, 0 [pid 4985] setpgid(0, 0 [pid 4984] close(10 [pid 3484] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4986] <... setpgid resumed>) = 0 [pid 4986] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4985] <... setpgid resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4987 attached [pid 4986] <... symlink resumed>) = 0 [pid 4985] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4984] close(11 [pid 3484] lstat("./212/binderfs", [pid 3482] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] set_robust_list(0x5555564df6e0, 24 [pid 4986] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4987] <... set_robust_list resumed>) = 0 [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... clone resumed>, child_tidptr=0x5555564df6d0) = 205 [pid 4987] chdir("./202" [pid 4986] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4985] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4984] close(12 [pid 3484] unlink("./212/binderfs" [pid 3482] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4987] <... chdir resumed>) = 0 [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 4987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4985] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4984] close(13 [pid 3484] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 4987] <... prctl resumed>) = 0 [pid 4986] <... openat resumed>) = 3 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4987] setpgid(0, 0 [pid 4986] write(3, "1000", 4 [pid 4985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4984] close(14 [pid 3484] lstat("./212/cgroup", [pid 3482] getdents64(3, [pid 4987] <... setpgid resumed>) = 0 [pid 4986] <... write resumed>) = 4 [pid 4985] <... openat resumed>) = 3 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4987] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4986] close(3 [pid 4985] write(3, "1000", 4 [pid 4984] close(15 [pid 3484] unlink("./212/cgroup" [pid 3482] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] <... symlink resumed>) = 0 [pid 4986] <... close resumed>) = 0 [pid 4985] <... write resumed>) = 4 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4987] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4986] symlink("/dev/binderfs", "./binderfs" [pid 4985] close(3 [pid 4984] close(16 [pid 3484] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./203/binderfs", [pid 4987] <... symlink resumed>) = 0 [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... close resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4987] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4986] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4985] symlink("/dev/binderfs", "./binderfs" [pid 4984] close(17 [pid 3484] lstat("./212/cgroup.net", [pid 3482] unlink("./203/binderfs" [pid 4987] <... symlink resumed>) = 0 [pid 4986] <... socket resumed>) = 3 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 4987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4986] close(3 [pid 4985] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4984] close(18 [pid 3484] unlink("./212/cgroup.net" [pid 3482] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] <... openat resumed>) = 3 [pid 4986] <... close resumed>) = 0 [pid 4985] <... socket resumed>) = 3 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4987] write(3, "1000", 4 [pid 4986] close(4 [pid 4985] close(3 [pid 4984] close(19 [pid 4987] <... write resumed>) = 4 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./203/cgroup", [pid 4987] close(3 [pid 4986] close(5 [pid 4984] close(20 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(6) = -1 EBADF (Bad file descriptor) [pid 4986] close(7) = -1 EBADF (Bad file descriptor) [pid 4986] close(8 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4987] <... close resumed>) = 0 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(4 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./203/cgroup" [pid 4986] close(9 [pid 4987] symlink("/dev/binderfs", "./binderfs" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(21 [pid 4986] close(10) = -1 EBADF (Bad file descriptor) [pid 4986] close(11) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 4986] close(12 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... symlink resumed>) = 0 [pid 4986] close(13 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(22 [pid 3484] lstat("./212/cgroup.cpu", [pid 3482] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(5 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... socket resumed>) = 3 [pid 4986] close(14 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(23 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4987] close(3 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(6 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = 0 [pid 4986] close(15 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./212/cgroup.cpu" [pid 3482] lstat("./203/cgroup.net", [pid 4984] close(24 [pid 4987] close(4 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(7 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4986] close(16 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(8 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./203/cgroup.net" [pid 4987] close(5 [pid 4986] close(17 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(9 [pid 4984] close(25 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(18 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 4987] close(6 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(10 [pid 4984] close(26 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(19 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3482] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] close(7 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(11 [pid 4984] close(27 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(20 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4987] close(8 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(12 [pid 4984] close(28 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(21 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./212" [pid 3482] lstat("./203/cgroup.cpu", [pid 4987] close(9 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(13 [pid 4984] close(29 [pid 4986] close(22 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(14 [pid 4986] close(23 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(15 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4987] close(10 [pid 4986] close(24 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4984] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3484] mkdir("./213", 0777 [pid 3482] unlink("./203/cgroup.cpu" [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(16 [pid 4984] <... write resumed>) = 335 [pid 4987] close(11 [pid 4986] close(25 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 4984] exit_group(0 [pid 3482] <... unlink resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(17 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4984] <... exit_group resumed>) = ? [pid 4987] close(12 [pid 4986] close(26 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, ./strace-static-x86_64: Process 4988 attached [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(18 [pid 3484] <... clone resumed>, child_tidptr=0x5555564df6d0) = 216 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(27 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] set_robust_list(0x5555564df6e0, 24 [pid 4987] close(13 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(19 [pid 3482] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4988] <... set_robust_list resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(28 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] +++ exited with 0 +++ [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(20 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4988] chdir("./213" [pid 4987] close(14 [pid 4986] close(29 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 4988] <... chdir resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(21write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4987] close(15 [pid 4986] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... write resumed>) = 335 [pid 4985] close(22 [pid 4988] <... prctl resumed>) = 0 [pid 3482] rmdir("./203" [pid 4987] close(16 [pid 4986] exit_group(0 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] <... exit_group resumed>) = ? [pid 4985] close(23 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4988] setpgid(0, 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] +++ exited with 0 +++ [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... rmdir resumed>) = 0 [pid 4988] <... setpgid resumed>) = 0 [pid 4987] close(17 [pid 4985] close(24 [pid 3486] <... openat resumed>) = 3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4988] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3482] mkdir("./204", 0777 [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(18 [pid 4985] close(25 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(26 [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 3482] <... mkdir resumed>) = 0 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] close(19 [pid 4985] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4988] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./221/binderfs", [pid 3485] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 4989 attached [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(20 [pid 4985] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 4989] set_robust_list(0x5555564df6e0, 24 [pid 4988] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555564df6d0) = 207 [pid 4989] <... set_robust_list resumed>) = 0 [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(21 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./221/binderfs" [pid 3485] fstat(3, [pid 4989] chdir("./204" [pid 4988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(29 [pid 4989] <... chdir resumed>) = 0 [pid 4988] <... openat resumed>) = 3 [pid 4987] close(22 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4988] write(3, "1000", 4 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3486] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 4989] <... prctl resumed>) = 0 [pid 4988] <... write resumed>) = 4 [pid 4987] close(23 [pid 4985] <... write resumed>) = 335 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] setpgid(0, 0 [pid 4988] close(3 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] exit_group(0 [pid 3486] lstat("./221/cgroup", [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4989] <... setpgid resumed>) = 0 [pid 4988] <... close resumed>) = 0 [pid 4987] close(24 [pid 4985] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4988] symlink("/dev/binderfs", "./binderfs" [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(25 [pid 4985] +++ exited with 0 +++ [pid 3486] unlink("./221/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4988] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... socket resumed>) = 3 [pid 4987] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./218/binderfs", [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4989] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4988] close(3 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... close resumed>) = 0 [pid 4987] close(27 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4988] close(4 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./218/binderfs" [pid 3483] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4989] <... openat resumed>) = 3 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(28 [pid 3486] lstat("./221/cgroup.net", [pid 3483] <... openat resumed>) = 3 [pid 4989] write(3, "1000", 4 [pid 4988] close(5 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] fstat(3, [pid 4989] <... write resumed>) = 4 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4989] close(3 [pid 4988] close(6 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./221/cgroup.net" [pid 3485] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 4989] <... close resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4987] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4989] symlink("/dev/binderfs", "./binderfs" [pid 4988] close(7 [pid 4987] <... write resumed>) = 335 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4989] <... symlink resumed>) = 0 [pid 3486] lstat("./221/cgroup.cpu", [pid 4989] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./218/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] <... socket resumed>) = 3 [pid 4988] close(8 [pid 4987] <... exit_group resumed>) = ? [pid 3486] unlink("./221/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./210/binderfs", [pid 4989] close(3 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./218/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4989] <... close resumed>) = 0 [pid 4988] close(9 [pid 3486] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./210/binderfs" [pid 4989] close(4 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(10 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] restart_syscall(<... resuming interrupted clone ...> [pid 4989] close(5 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./218/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... restart_syscall resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(11 [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./210/cgroup", [pid 4989] close(6 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./218/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(12 [pid 3486] rmdir("./221" [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./210/cgroup" [pid 3481] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] close(7 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(13 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4989] close(8 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] lstat("./218/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... openat resumed>) = 3 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(14 [pid 3486] mkdir("./222", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./210/cgroup.net", [pid 3481] fstat(3, [pid 4989] close(9 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./218/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(15 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./210/cgroup.net" [pid 3481] getdents64(3, [pid 4989] close(10 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(16 [pid 3485] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3481] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] close(11 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4990 attached [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(17 [pid 3485] <... close resumed>) = 0 [pid 3483] lstat("./210/cgroup.cpu", [pid 3481] lstat("./202/binderfs", [pid 4990] set_robust_list(0x5555564df6e0, 24 [pid 4989] close(12 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./218" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4990] <... set_robust_list resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(18 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] unlink("./210/cgroup.cpu" [pid 3481] unlink("./202/binderfs" [pid 4990] chdir("./222" [pid 4989] close(13 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555564df6d0) = 225 [pid 3485] mkdir("./219", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 3481] <... unlink resumed>) = 0 [pid 4990] <... chdir resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(19 [pid 4990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4989] close(14 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 3481] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] <... prctl resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(20 [pid 4990] setpgid(0, 0 [pid 4989] close(15 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4990] <... setpgid resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(21 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] close(3 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4989] close(16 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(22 [pid 3483] <... close resumed>) = 0 [pid 3481] lstat("./202/cgroup", ./strace-static-x86_64: Process 4991 attached [pid 4990] <... symlink resumed>) = 0 [pid 4989] close(17 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./210" [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4991] set_robust_list(0x5555564df6e0, 24 [pid 4990] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(23 [pid 3485] <... clone resumed>, child_tidptr=0x5555564df6d0) = 222 [pid 4989] close(18 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 3481] unlink("./202/cgroup" [pid 4991] <... set_robust_list resumed>) = 0 [pid 4988] close(24 [pid 4991] chdir("./219" [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4991] <... chdir resumed>) = 0 [pid 4991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4990] <... symlink resumed>) = 0 [pid 4989] close(19 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./211", 0777 [pid 3481] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4991] <... prctl resumed>) = 0 [pid 4990] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(25 [pid 4991] setpgid(0, 0 [pid 4990] <... symlink resumed>) = 0 [pid 4989] close(20 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... setpgid resumed>) = 0 [pid 4990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(26 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4991] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] lstat("./202/cgroup.net", ./strace-static-x86_64: Process 4992 attached [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... openat resumed>) = 3 [pid 4989] close(21 [pid 4988] close(27 [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4992] set_robust_list(0x5555564df6e0, 24 [pid 4991] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4990] write(3, "1000", 4 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555564df6d0) = 214 [pid 3481] unlink("./202/cgroup.net" [pid 4992] <... set_robust_list resumed>) = 0 [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... write resumed>) = 4 [pid 4989] close(22 [pid 4988] close(28 [pid 4992] chdir("./211" [pid 4991] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4990] close(3 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4992] <... chdir resumed>) = 0 [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = 0 [pid 4989] close(23 [pid 3481] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4990] symlink("/dev/binderfs", "./binderfs" [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(29 [pid 3481] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4992] <... prctl resumed>) = 0 [pid 4991] <... openat resumed>) = 3 [pid 4990] <... symlink resumed>) = 0 [pid 4989] close(24 [pid 3481] lstat("./202/cgroup.cpu", [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] setpgid(0, 0 [pid 4991] write(3, "1000", 4 [pid 4990] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4992] <... setpgid resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4991] <... write resumed>) = 4 [pid 4990] <... socket resumed>) = 3 [pid 4989] close(25 [pid 4988] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3481] unlink("./202/cgroup.cpu" [pid 4992] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4990] close(3 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... unlink resumed>) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4991] close(3 [pid 4990] <... close resumed>) = 0 [pid 4989] close(26 [pid 4988] <... write resumed>) = 335 [pid 3481] getdents64(3, [pid 4992] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4991] <... close resumed>) = 0 [pid 4990] close(4 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] exit_group(0 [pid 3481] <... getdents64 resumed>0x5555564e1850 /* 0 entries */, 32768) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4991] symlink("/dev/binderfs", "./binderfs" [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] close(27 [pid 4988] <... exit_group resumed>) = ? [pid 3481] close(3 [pid 4992] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4991] <... symlink resumed>) = 0 [pid 4990] close(5 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... close resumed>) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] close(28 [pid 4988] +++ exited with 0 +++ [pid 3481] rmdir("./202" [pid 4992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4991] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4990] close(6 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... rmdir resumed>) = 0 [pid 4992] <... openat resumed>) = 3 [pid 4991] <... socket resumed>) = 3 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] close(29 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3481] mkdir("./203", 0777 [pid 4992] write(3, "1000", 4 [pid 4991] close(3 [pid 4990] close(7write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4992] <... write resumed>) = 4 [pid 4991] <... close resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3481] <... mkdir resumed>) = 0 [pid 4991] close(4) = -1 EBADF (Bad file descriptor) [pid 4991] close(5) = -1 EBADF (Bad file descriptor) [pid 4991] close(6) = -1 EBADF (Bad file descriptor) [pid 4991] close(7) = -1 EBADF (Bad file descriptor) [pid 4991] close(8) = -1 EBADF (Bad file descriptor) [pid 4989] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4992] close(3 [pid 4991] close(9 [pid 4990] close(8 [pid 4989] <... write resumed>) = 335 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 4992] <... close resumed>) = 0 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] exit_group(0 [pid 3484] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4992] symlink("/dev/binderfs", "./binderfs" [pid 4991] close(10 [pid 4990] close(9 [pid 3484] <... openat resumed>) = 3 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... exit_group resumed>) = ? [pid 4991] close(11) = -1 EBADF (Bad file descriptor) [pid 4991] close(12) = -1 EBADF (Bad file descriptor) [pid 4991] close(13) = -1 EBADF (Bad file descriptor) [pid 4991] close(14) = -1 EBADF (Bad file descriptor) [pid 4991] close(15) = -1 EBADF (Bad file descriptor) [pid 4991] close(16) = -1 EBADF (Bad file descriptor) [pid 4991] close(17) = -1 EBADF (Bad file descriptor) [pid 4991] close(18) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] close(19) = -1 EBADF (Bad file descriptor) [pid 4991] close(20) = -1 EBADF (Bad file descriptor) [pid 4991] close(21) = -1 EBADF (Bad file descriptor) [pid 4992] <... symlink resumed>) = 0 [pid 4991] close(22) = -1 EBADF (Bad file descriptor) [pid 4990] close(10 [pid 3484] fstat(3, [pid 4991] close(23) = -1 EBADF (Bad file descriptor) [pid 4991] close(24) = -1 EBADF (Bad file descriptor) [pid 4991] close(25) = -1 EBADF (Bad file descriptor) [pid 4991] close(26) = -1 EBADF (Bad file descriptor) [pid 4991] close(27) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4992] socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE [pid 4991] close(28 [pid 4990] close(11 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] close(29 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... socket resumed>) = 3 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 4992] close(3 [pid 4991] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 4990] close(12 [pid 4991] <... write resumed>) = 335 [pid 3484] <... getdents64 resumed>0x5555564e1850 /* 6 entries */, 32768) = 176 [pid 4991] exit_group(0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = 0 [pid 4991] <... exit_group resumed>) = ? [pid 4990] close(13