./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2532971438

<...>
 = -1 ENOENT (No such file or directory)
[pid 21400] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21400] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21400] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21400] exit_group(0)               = ?
[pid 21400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20560", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20560", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20560/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20560/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20560/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20560")                        = 0
mkdir("./20561", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21401 attached
, child_tidptr=0x55558cab0650) = 21401
[pid 21401] set_robust_list(0x55558cab0660, 24) = 0
[pid 21401] chdir("./20561")            = 0
[pid 21401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21401] setpgid(0, 0)               = 0
[pid 21401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21401] write(3, "1000", 4)         = 4
[pid 21401] close(3)                    = 0
[pid 21401] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21401] write(1, "executing program\n", 18) = 18
[pid 21401] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21401] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21401] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21401] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21401] exit_group(0)               = ?
[pid 21401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20561", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20561", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20561/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20561/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20561/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20561")                        = 0
mkdir("./20562", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21402
./strace-static-x86_64: Process 21402 attached
[pid 21402] set_robust_list(0x55558cab0660, 24) = 0
[pid 21402] chdir("./20562")            = 0
[pid 21402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21402] setpgid(0, 0)               = 0
[pid 21402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21402] write(3, "1000", 4)         = 4
[pid 21402] close(3)                    = 0
[pid 21402] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21402] write(1, "executing program\n", 18) = 18
[pid 21402] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21402] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21402] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21402] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21402] exit_group(0)               = ?
[pid 21402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20562", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20562", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20562/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20562/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20562/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20562")                        = 0
mkdir("./20563", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21403
./strace-static-x86_64: Process 21403 attached
[pid 21403] set_robust_list(0x55558cab0660, 24) = 0
[pid 21403] chdir("./20563")            = 0
[pid 21403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21403] setpgid(0, 0)               = 0
[pid 21403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21403] write(3, "1000", 4)         = 4
[pid 21403] close(3executing program
)                    = 0
[pid 21403] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21403] write(1, "executing program\n", 18) = 18
[pid 21403] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21403] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21403] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21403] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21403] exit_group(0)               = ?
[pid 21403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20563", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20563", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20563/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20563/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20563/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20563")                        = 0
mkdir("./20564", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21404
./strace-static-x86_64: Process 21404 attached
[pid 21404] set_robust_list(0x55558cab0660, 24) = 0
[pid 21404] chdir("./20564")            = 0
[pid 21404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21404] setpgid(0, 0)               = 0
[pid 21404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21404] write(3, "1000", 4)         = 4
[pid 21404] close(3)                    = 0
[pid 21404] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21404] write(1, "executing program\n", 18executing program
) = 18
[pid 21404] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21404] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21404] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21404] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21404] exit_group(0)               = ?
[pid 21404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20564", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20564", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20564/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20564/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20564/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20564")                        = 0
mkdir("./20565", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21405
./strace-static-x86_64: Process 21405 attached
[pid 21405] set_robust_list(0x55558cab0660, 24) = 0
[pid 21405] chdir("./20565")            = 0
[pid 21405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21405] setpgid(0, 0)               = 0
[pid 21405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21405] write(3, "1000", 4)         = 4
[pid 21405] close(3executing program
)                    = 0
[pid 21405] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21405] write(1, "executing program\n", 18) = 18
[pid 21405] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21405] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21405] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21405] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21405] exit_group(0)               = ?
[pid 21405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20565", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20565", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20565/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20565/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20565/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20565")                        = 0
mkdir("./20566", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21406 attached
, child_tidptr=0x55558cab0650) = 21406
[pid 21406] set_robust_list(0x55558cab0660, 24) = 0
[pid 21406] chdir("./20566")            = 0
[pid 21406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21406] setpgid(0, 0)               = 0
[pid 21406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21406] write(3, "1000", 4)         = 4
[pid 21406] close(3)                    = 0
[pid 21406] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21406] write(1, "executing program\n", 18) = 18
[pid 21406] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21406] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21406] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21406] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21406] exit_group(0)               = ?
[pid 21406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20566", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20566", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20566/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20566/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20566/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20566")                        = 0
mkdir("./20567", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21407
./strace-static-x86_64: Process 21407 attached
[pid 21407] set_robust_list(0x55558cab0660, 24) = 0
[pid 21407] chdir("./20567")            = 0
[pid 21407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21407] setpgid(0, 0)               = 0
[pid 21407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21407] write(3, "1000", 4)         = 4
[pid 21407] close(3)                    = 0
[pid 21407] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21407] write(1, "executing program\n", 18) = 18
[pid 21407] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21407] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21407] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21407] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21407] exit_group(0)               = ?
[pid 21407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20567", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20567", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20567/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20567/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20567/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20567")                        = 0
mkdir("./20568", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21408 attached
, child_tidptr=0x55558cab0650) = 21408
[pid 21408] set_robust_list(0x55558cab0660, 24) = 0
[pid 21408] chdir("./20568")            = 0
[pid 21408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21408] setpgid(0, 0)               = 0
[pid 21408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21408] write(3, "1000", 4)         = 4
[pid 21408] close(3)                    = 0
[pid 21408] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21408] write(1, "executing program\n", 18) = 18
[pid 21408] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21408] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21408] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21408] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21408] exit_group(0)               = ?
[pid 21408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20568", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20568", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20568/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20568/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20568/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20568")                        = 0
mkdir("./20569", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21409
./strace-static-x86_64: Process 21409 attached
[pid 21409] set_robust_list(0x55558cab0660, 24) = 0
[pid 21409] chdir("./20569")            = 0
[pid 21409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21409] setpgid(0, 0)               = 0
[pid 21409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21409] write(3, "1000", 4)         = 4
[pid 21409] close(3)                    = 0
[pid 21409] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21409] write(1, "executing program\n", 18) = 18
[pid 21409] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21409] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21409] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21409] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21409] exit_group(0)               = ?
[pid 21409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20569", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20569", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20569/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20569/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20569/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20569")                        = 0
mkdir("./20570", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21410 attached
, child_tidptr=0x55558cab0650) = 21410
[pid 21410] set_robust_list(0x55558cab0660, 24) = 0
[pid 21410] chdir("./20570")            = 0
[pid 21410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21410] setpgid(0, 0)               = 0
[pid 21410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21410] write(3, "1000", 4)         = 4
[pid 21410] close(3)                    = 0
[pid 21410] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21410] write(1, "executing program\n", 18executing program
) = 18
[pid 21410] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21410] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21410] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21410] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21410] exit_group(0)               = ?
[pid 21410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20570", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20570", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20570/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20570/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20570/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20570")                        = 0
mkdir("./20571", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21411
./strace-static-x86_64: Process 21411 attached
[pid 21411] set_robust_list(0x55558cab0660, 24) = 0
[pid 21411] chdir("./20571")            = 0
[pid 21411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21411] setpgid(0, 0)               = 0
[pid 21411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21411] write(3, "1000", 4)         = 4
[pid 21411] close(3)                    = 0
[pid 21411] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21411] write(1, "executing program\n", 18) = 18
[pid 21411] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21411] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21411] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21411] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21411] exit_group(0)               = ?
[pid 21411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20571", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20571", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20571/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20571/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20571/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20571")                        = 0
mkdir("./20572", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21412
./strace-static-x86_64: Process 21412 attached
[pid 21412] set_robust_list(0x55558cab0660, 24) = 0
[pid 21412] chdir("./20572")            = 0
[pid 21412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21412] setpgid(0, 0)               = 0
[pid 21412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21412] write(3, "1000", 4)         = 4
[pid 21412] close(3)                    = 0
[pid 21412] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21412] write(1, "executing program\n", 18executing program
) = 18
[pid 21412] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21412] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21412] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21412] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21412] exit_group(0)               = ?
[pid 21412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20572", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20572", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20572/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20572/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20572/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20572")                        = 0
mkdir("./20573", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21413
./strace-static-x86_64: Process 21413 attached
[pid 21413] set_robust_list(0x55558cab0660, 24) = 0
[pid 21413] chdir("./20573")            = 0
[pid 21413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21413] setpgid(0, 0)               = 0
[pid 21413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21413] write(3, "1000", 4)         = 4
[pid 21413] close(3)                    = 0
[pid 21413] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21413] write(1, "executing program\n", 18) = 18
[pid 21413] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21413] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21413] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21413] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21413] exit_group(0)               = ?
[pid 21413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20573", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20573", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20573/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20573/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20573/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20573")                        = 0
mkdir("./20574", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21414
./strace-static-x86_64: Process 21414 attached
[pid 21414] set_robust_list(0x55558cab0660, 24) = 0
[pid 21414] chdir("./20574")            = 0
[pid 21414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21414] setpgid(0, 0)               = 0
[pid 21414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21414] write(3, "1000", 4)         = 4
[pid 21414] close(3)                    = 0
[pid 21414] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21414] write(1, "executing program\n", 18executing program
) = 18
[pid 21414] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21414] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21414] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21414] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21414] exit_group(0)               = ?
[pid 21414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20574", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20574", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20574/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20574/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20574/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20574")                        = 0
mkdir("./20575", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21415 attached
, child_tidptr=0x55558cab0650) = 21415
[pid 21415] set_robust_list(0x55558cab0660, 24) = 0
[pid 21415] chdir("./20575")            = 0
[pid 21415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21415] setpgid(0, 0)               = 0
[pid 21415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21415] write(3, "1000", 4)         = 4
[pid 21415] close(3)                    = 0
[pid 21415] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21415] write(1, "executing program\n", 18) = 18
[pid 21415] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21415] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21415] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21415] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21415] exit_group(0)               = ?
[pid 21415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20575", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20575", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20575/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20575/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20575/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20575")                        = 0
mkdir("./20576", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21416
./strace-static-x86_64: Process 21416 attached
[pid 21416] set_robust_list(0x55558cab0660, 24) = 0
[pid 21416] chdir("./20576")            = 0
[pid 21416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21416] setpgid(0, 0)               = 0
[pid 21416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21416] write(3, "1000", 4)         = 4
[pid 21416] close(3)                    = 0
[pid 21416] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21416] write(1, "executing program\n", 18executing program
) = 18
[pid 21416] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21416] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21416] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21416] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21416] exit_group(0)               = ?
[pid 21416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20576", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20576", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20576/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20576/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20576/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20576")                        = 0
mkdir("./20577", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21417
./strace-static-x86_64: Process 21417 attached
[pid 21417] set_robust_list(0x55558cab0660, 24) = 0
[pid 21417] chdir("./20577")            = 0
[pid 21417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21417] setpgid(0, 0)               = 0
[pid 21417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21417] write(3, "1000", 4)         = 4
[pid 21417] close(3)                    = 0
[pid 21417] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21417] write(1, "executing program\n", 18) = 18
[pid 21417] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21417] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21417] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21417] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21417] exit_group(0)               = ?
[pid 21417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20577", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20577", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20577/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20577/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20577/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20577")                        = 0
mkdir("./20578", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21418
./strace-static-x86_64: Process 21418 attached
[pid 21418] set_robust_list(0x55558cab0660, 24) = 0
[pid 21418] chdir("./20578")            = 0
[pid 21418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21418] setpgid(0, 0)               = 0
[pid 21418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21418] write(3, "1000", 4)         = 4
[pid 21418] close(3)                    = 0
[pid 21418] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21418] write(1, "executing program\n", 18executing program
) = 18
[pid 21418] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21418] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21418] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21418] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21418] exit_group(0)               = ?
[pid 21418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20578", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20578", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20578/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20578/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20578/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20578")                        = 0
mkdir("./20579", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21419
./strace-static-x86_64: Process 21419 attached
[pid 21419] set_robust_list(0x55558cab0660, 24) = 0
[pid 21419] chdir("./20579")            = 0
[pid 21419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21419] setpgid(0, 0)               = 0
[pid 21419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21419] write(3, "1000", 4)         = 4
[pid 21419] close(3)                    = 0
[pid 21419] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21419] write(1, "executing program\n", 18) = 18
[pid 21419] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21419] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21419] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21419] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21419] exit_group(0)               = ?
[pid 21419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20579", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20579", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20579/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20579/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20579/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20579")                        = 0
mkdir("./20580", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21420 attached
, child_tidptr=0x55558cab0650) = 21420
[pid 21420] set_robust_list(0x55558cab0660, 24) = 0
[pid 21420] chdir("./20580")            = 0
[pid 21420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21420] setpgid(0, 0)               = 0
[pid 21420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21420] write(3, "1000", 4)         = 4
[pid 21420] close(3)                    = 0
[pid 21420] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21420] write(1, "executing program\n", 18executing program
) = 18
[pid 21420] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21420] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21420] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21420] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21420] exit_group(0)               = ?
[pid 21420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20580", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20580", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20580/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20580/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20580/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20580")                        = 0
mkdir("./20581", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21421
./strace-static-x86_64: Process 21421 attached
[pid 21421] set_robust_list(0x55558cab0660, 24) = 0
[pid 21421] chdir("./20581")            = 0
[pid 21421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21421] setpgid(0, 0)               = 0
[pid 21421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21421] write(3, "1000", 4)         = 4
[pid 21421] close(3)                    = 0
[pid 21421] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21421] write(1, "executing program\n", 18) = 18
[pid 21421] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21421] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21421] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21421] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21421] exit_group(0)               = ?
[pid 21421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20581", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20581", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20581/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20581/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20581/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20581")                        = 0
mkdir("./20582", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21422 attached
, child_tidptr=0x55558cab0650) = 21422
[pid 21422] set_robust_list(0x55558cab0660, 24) = 0
[pid 21422] chdir("./20582")            = 0
[pid 21422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21422] setpgid(0, 0)               = 0
[pid 21422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21422] write(3, "1000", 4)         = 4
[pid 21422] close(3)                    = 0
[pid 21422] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21422] write(1, "executing program\n", 18executing program
) = 18
[pid 21422] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21422] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21422] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21422] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21422] exit_group(0)               = ?
[pid 21422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20582", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20582", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20582/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20582/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20582/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20582")                        = 0
mkdir("./20583", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21423
./strace-static-x86_64: Process 21423 attached
[pid 21423] set_robust_list(0x55558cab0660, 24) = 0
[pid 21423] chdir("./20583")            = 0
[pid 21423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21423] setpgid(0, 0)               = 0
[pid 21423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21423] write(3, "1000", 4)         = 4
[pid 21423] close(3)                    = 0
[pid 21423] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21423] write(1, "executing program\n", 18executing program
) = 18
[pid 21423] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21423] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21423] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21423] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21423] exit_group(0)               = ?
[pid 21423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20583", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20583", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20583/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20583/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20583/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20583")                        = 0
mkdir("./20584", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21424
./strace-static-x86_64: Process 21424 attached
[pid 21424] set_robust_list(0x55558cab0660, 24) = 0
[pid 21424] chdir("./20584")            = 0
[pid 21424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21424] setpgid(0, 0)               = 0
[pid 21424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21424] write(3, "1000", 4)         = 4
[pid 21424] close(3)                    = 0
[pid 21424] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21424] write(1, "executing program\n", 18) = 18
[pid 21424] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21424] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21424] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21424] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21424] exit_group(0)               = ?
[pid 21424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20584", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20584", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20584/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20584/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20584/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20584")                        = 0
mkdir("./20585", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21425
./strace-static-x86_64: Process 21425 attached
[pid 21425] set_robust_list(0x55558cab0660, 24) = 0
[pid 21425] chdir("./20585")            = 0
[pid 21425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21425] setpgid(0, 0)               = 0
[pid 21425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21425] write(3, "1000", 4)         = 4
[pid 21425] close(3)                    = 0
[pid 21425] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21425] write(1, "executing program\n", 18) = 18
[pid 21425] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21425] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21425] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21425] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21425] exit_group(0)               = ?
[pid 21425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20585", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20585", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20585/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20585/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20585/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20585")                        = 0
mkdir("./20586", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21426
./strace-static-x86_64: Process 21426 attached
[pid 21426] set_robust_list(0x55558cab0660, 24) = 0
[pid 21426] chdir("./20586")            = 0
[pid 21426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21426] setpgid(0, 0)               = 0
[pid 21426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21426] write(3, "1000", 4)         = 4
[pid 21426] close(3)                    = 0
[pid 21426] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21426] write(1, "executing program\n", 18executing program
) = 18
[pid 21426] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21426] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21426] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21426] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21426] exit_group(0)               = ?
[pid 21426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20586", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20586", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20586/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20586/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20586/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20586")                        = 0
mkdir("./20587", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21427 attached
, child_tidptr=0x55558cab0650) = 21427
[pid 21427] set_robust_list(0x55558cab0660, 24) = 0
[pid 21427] chdir("./20587")            = 0
[pid 21427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21427] setpgid(0, 0)               = 0
[pid 21427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21427] write(3, "1000", 4)         = 4
[pid 21427] close(3)                    = 0
[pid 21427] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21427] write(1, "executing program\n", 18) = 18
[pid 21427] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21427] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21427] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21427] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21427] exit_group(0)               = ?
[pid 21427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20587", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20587", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20587/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20587/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20587/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20587")                        = 0
mkdir("./20588", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21428
./strace-static-x86_64: Process 21428 attached
[pid 21428] set_robust_list(0x55558cab0660, 24) = 0
[pid 21428] chdir("./20588")            = 0
[pid 21428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21428] setpgid(0, 0)               = 0
[pid 21428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21428] write(3, "1000", 4)         = 4
[pid 21428] close(3)                    = 0
[pid 21428] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21428] write(1, "executing program\n", 18) = 18
[pid 21428] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21428] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21428] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21428] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21428] exit_group(0)               = ?
[pid 21428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20588", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20588", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20588/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20588/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20588/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20588")                        = 0
mkdir("./20589", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21429
./strace-static-x86_64: Process 21429 attached
[pid 21429] set_robust_list(0x55558cab0660, 24) = 0
[pid 21429] chdir("./20589")            = 0
[pid 21429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21429] setpgid(0, 0)               = 0
[pid 21429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21429] write(3, "1000", 4)         = 4
[pid 21429] close(3)                    = 0
[pid 21429] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21429] write(1, "executing program\n", 18executing program
) = 18
[pid 21429] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21429] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21429] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21429] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21429] exit_group(0)               = ?
[pid 21429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20589", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20589", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20589/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20589/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20589/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20589")                        = 0
mkdir("./20590", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21430
./strace-static-x86_64: Process 21430 attached
[pid 21430] set_robust_list(0x55558cab0660, 24) = 0
[pid 21430] chdir("./20590")            = 0
[pid 21430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21430] setpgid(0, 0)               = 0
[pid 21430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21430] write(3, "1000", 4)         = 4
[pid 21430] close(3)                    = 0
[pid 21430] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21430] write(1, "executing program\n", 18) = 18
[pid 21430] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21430] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21430] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21430] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21430] exit_group(0)               = ?
[pid 21430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20590", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20590", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20590/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20590/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20590/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20590")                        = 0
mkdir("./20591", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21431
./strace-static-x86_64: Process 21431 attached
[pid 21431] set_robust_list(0x55558cab0660, 24) = 0
[pid 21431] chdir("./20591")            = 0
[pid 21431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21431] setpgid(0, 0)               = 0
[pid 21431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21431] write(3, "1000", 4)         = 4
[pid 21431] close(3)                    = 0
[pid 21431] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21431] write(1, "executing program\n", 18) = 18
[pid 21431] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21431] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21431] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21431] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21431] exit_group(0)               = ?
[pid 21431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20591", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20591", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20591/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20591/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20591/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20591")                        = 0
mkdir("./20592", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21432
./strace-static-x86_64: Process 21432 attached
[pid 21432] set_robust_list(0x55558cab0660, 24) = 0
[pid 21432] chdir("./20592")            = 0
[pid 21432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21432] setpgid(0, 0)               = 0
[pid 21432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21432] write(3, "1000", 4)         = 4
[pid 21432] close(3)                    = 0
[pid 21432] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21432] write(1, "executing program\n", 18) = 18
[pid 21432] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21432] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21432] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21432] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21432] exit_group(0)               = ?
[pid 21432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20592", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20592", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20592/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20592/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20592/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20592")                        = 0
mkdir("./20593", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21433
./strace-static-x86_64: Process 21433 attached
[pid 21433] set_robust_list(0x55558cab0660, 24) = 0
[pid 21433] chdir("./20593")            = 0
[pid 21433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21433] setpgid(0, 0)               = 0
[pid 21433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21433] write(3, "1000", 4)         = 4
[pid 21433] close(3)                    = 0
[pid 21433] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21433] write(1, "executing program\n", 18executing program
) = 18
[pid 21433] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21433] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21433] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21433] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21433] exit_group(0)               = ?
[pid 21433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20593", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20593", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20593/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20593/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20593/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20593")                        = 0
mkdir("./20594", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21434 attached
, child_tidptr=0x55558cab0650) = 21434
[pid 21434] set_robust_list(0x55558cab0660, 24) = 0
[pid 21434] chdir("./20594")            = 0
[pid 21434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21434] setpgid(0, 0)               = 0
[pid 21434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21434] write(3, "1000", 4)         = 4
[pid 21434] close(3)                    = 0
[pid 21434] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21434] write(1, "executing program\n", 18) = 18
[pid 21434] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21434] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21434] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21434] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21434] exit_group(0)               = ?
[pid 21434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20594", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20594", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20594/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20594/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20594/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20594")                        = 0
mkdir("./20595", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21435
./strace-static-x86_64: Process 21435 attached
[pid 21435] set_robust_list(0x55558cab0660, 24) = 0
[pid 21435] chdir("./20595")            = 0
[pid 21435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21435] setpgid(0, 0)               = 0
[pid 21435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21435] write(3, "1000", 4)         = 4
[pid 21435] close(3)                    = 0
[pid 21435] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21435] write(1, "executing program\n", 18) = 18
[pid 21435] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21435] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21435] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21435] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21435] exit_group(0)               = ?
[pid 21435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20595", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20595", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20595/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20595/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20595/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20595")                        = 0
mkdir("./20596", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21436
./strace-static-x86_64: Process 21436 attached
[pid 21436] set_robust_list(0x55558cab0660, 24) = 0
[pid 21436] chdir("./20596")            = 0
[pid 21436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21436] setpgid(0, 0)               = 0
[pid 21436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21436] write(3, "1000", 4)         = 4
[pid 21436] close(3)                    = 0
[pid 21436] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21436] write(1, "executing program\n", 18) = 18
[pid 21436] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21436] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21436] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21436] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21436] exit_group(0)               = ?
[pid 21436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20596", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20596", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20596/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20596/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20596/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20596")                        = 0
mkdir("./20597", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21437
./strace-static-x86_64: Process 21437 attached
[pid 21437] set_robust_list(0x55558cab0660, 24) = 0
[pid 21437] chdir("./20597")            = 0
[pid 21437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21437] setpgid(0, 0)               = 0
[pid 21437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21437] write(3, "1000", 4)         = 4
[pid 21437] close(3)                    = 0
[pid 21437] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21437] write(1, "executing program\n", 18) = 18
executing program
[pid 21437] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21437] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21437] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21437] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21437] exit_group(0)               = ?
[pid 21437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20597", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20597", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20597/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20597/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20597/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20597")                        = 0
mkdir("./20598", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21438
./strace-static-x86_64: Process 21438 attached
[pid 21438] set_robust_list(0x55558cab0660, 24) = 0
[pid 21438] chdir("./20598")            = 0
[pid 21438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21438] setpgid(0, 0)               = 0
[pid 21438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21438] write(3, "1000", 4)         = 4
[pid 21438] close(3)                    = 0
[pid 21438] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21438] write(1, "executing program\n", 18) = 18
[pid 21438] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21438] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21438] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21438] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21438] exit_group(0)               = ?
[pid 21438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20598", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20598", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20598/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20598/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20598/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20598")                        = 0
mkdir("./20599", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21439
./strace-static-x86_64: Process 21439 attached
[pid 21439] set_robust_list(0x55558cab0660, 24) = 0
[pid 21439] chdir("./20599")            = 0
[pid 21439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21439] setpgid(0, 0)               = 0
[pid 21439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21439] write(3, "1000", 4)         = 4
[pid 21439] close(3)                    = 0
[pid 21439] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21439] write(1, "executing program\n", 18) = 18
[pid 21439] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21439] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21439] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21439] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21439] exit_group(0)               = ?
[pid 21439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20599", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20599", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20599/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20599/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20599/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20599")                        = 0
mkdir("./20600", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21440
./strace-static-x86_64: Process 21440 attached
[pid 21440] set_robust_list(0x55558cab0660, 24) = 0
[pid 21440] chdir("./20600")            = 0
[pid 21440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21440] setpgid(0, 0)               = 0
[pid 21440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21440] write(3, "1000", 4)         = 4
[pid 21440] close(3)                    = 0
[pid 21440] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21440] write(1, "executing program\n", 18) = 18
[pid 21440] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21440] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21440] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21440] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21440] exit_group(0)               = ?
[pid 21440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20600", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20600", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20600/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20600/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20600/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20600")                        = 0
mkdir("./20601", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21441 attached
, child_tidptr=0x55558cab0650) = 21441
[pid 21441] set_robust_list(0x55558cab0660, 24) = 0
[pid 21441] chdir("./20601")            = 0
[pid 21441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21441] setpgid(0, 0)               = 0
[pid 21441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21441] write(3, "1000", 4)         = 4
[pid 21441] close(3)                    = 0
[pid 21441] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21441] write(1, "executing program\n", 18) = 18
[pid 21441] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21441] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21441] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21441] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21441] exit_group(0)               = ?
[pid 21441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20601", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20601", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20601/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20601/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20601/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20601")                        = 0
mkdir("./20602", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21442
./strace-static-x86_64: Process 21442 attached
[pid 21442] set_robust_list(0x55558cab0660, 24) = 0
[pid 21442] chdir("./20602")            = 0
[pid 21442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21442] setpgid(0, 0)               = 0
[pid 21442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21442] write(3, "1000", 4)         = 4
[pid 21442] close(3)                    = 0
[pid 21442] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21442] write(1, "executing program\n", 18) = 18
[pid 21442] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21442] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21442] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21442] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21442] exit_group(0)               = ?
[pid 21442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20602", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20602", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20602/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20602/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20602/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20602")                        = 0
mkdir("./20603", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21443 attached
, child_tidptr=0x55558cab0650) = 21443
[pid 21443] set_robust_list(0x55558cab0660, 24) = 0
[pid 21443] chdir("./20603")            = 0
[pid 21443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21443] setpgid(0, 0)               = 0
[pid 21443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21443] write(3, "1000", 4)         = 4
[pid 21443] close(3)                    = 0
[pid 21443] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21443] write(1, "executing program\n", 18executing program
) = 18
[pid 21443] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21443] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21443] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21443] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21443] exit_group(0)               = ?
[pid 21443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20603", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20603", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20603/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20603/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20603/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20603")                        = 0
mkdir("./20604", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21444
./strace-static-x86_64: Process 21444 attached
[pid 21444] set_robust_list(0x55558cab0660, 24) = 0
[pid 21444] chdir("./20604")            = 0
[pid 21444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21444] setpgid(0, 0)               = 0
[pid 21444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21444] write(3, "1000", 4)         = 4
[pid 21444] close(3)                    = 0
[pid 21444] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21444] write(1, "executing program\n", 18executing program
) = 18
[pid 21444] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21444] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21444] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21444] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21444] exit_group(0)               = ?
[pid 21444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20604", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20604", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20604/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20604/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20604/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20604")                        = 0
mkdir("./20605", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21445 attached
, child_tidptr=0x55558cab0650) = 21445
[pid 21445] set_robust_list(0x55558cab0660, 24) = 0
[pid 21445] chdir("./20605")            = 0
[pid 21445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21445] setpgid(0, 0)               = 0
[pid 21445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21445] write(3, "1000", 4)         = 4
[pid 21445] close(3)                    = 0
[pid 21445] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21445] write(1, "executing program\n", 18) = 18
[pid 21445] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21445] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21445] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21445] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21445] exit_group(0)               = ?
[pid 21445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20605", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20605", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20605/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20605/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20605/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20605")                        = 0
mkdir("./20606", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21446 attached
, child_tidptr=0x55558cab0650) = 21446
[pid 21446] set_robust_list(0x55558cab0660, 24) = 0
[pid 21446] chdir("./20606")            = 0
[pid 21446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21446] setpgid(0, 0)               = 0
[pid 21446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21446] write(3, "1000", 4)         = 4
[pid 21446] close(3)                    = 0
[pid 21446] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21446] write(1, "executing program\n", 18) = 18
[pid 21446] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21446] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21446] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21446] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21446] exit_group(0)               = ?
[pid 21446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20606", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20606", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20606/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20606/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20606/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20606")                        = 0
mkdir("./20607", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21447 attached
, child_tidptr=0x55558cab0650) = 21447
[pid 21447] set_robust_list(0x55558cab0660, 24) = 0
[pid 21447] chdir("./20607")            = 0
[pid 21447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21447] setpgid(0, 0)               = 0
[pid 21447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21447] write(3, "1000", 4)         = 4
[pid 21447] close(3)                    = 0
[pid 21447] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21447] write(1, "executing program\n", 18) = 18
[pid 21447] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21447] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21447] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21447] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21447] exit_group(0)               = ?
[pid 21447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20607", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20607", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20607/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20607/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20607/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20607")                        = 0
mkdir("./20608", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21448
./strace-static-x86_64: Process 21448 attached
[pid 21448] set_robust_list(0x55558cab0660, 24) = 0
[pid 21448] chdir("./20608")            = 0
[pid 21448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21448] setpgid(0, 0)               = 0
[pid 21448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21448] write(3, "1000", 4)         = 4
[pid 21448] close(3)                    = 0
[pid 21448] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21448] write(1, "executing program\n", 18) = 18
[pid 21448] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21448] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21448] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21448] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21448] exit_group(0)               = ?
[pid 21448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20608", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20608", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20608/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20608/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20608/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20608")                        = 0
mkdir("./20609", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21449 attached
, child_tidptr=0x55558cab0650) = 21449
[pid 21449] set_robust_list(0x55558cab0660, 24) = 0
[pid 21449] chdir("./20609")            = 0
[pid 21449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21449] setpgid(0, 0)               = 0
[pid 21449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21449] write(3, "1000", 4)         = 4
[pid 21449] close(3)                    = 0
[pid 21449] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21449] write(1, "executing program\n", 18executing program
) = 18
[pid 21449] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21449] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21449] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21449] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21449] exit_group(0)               = ?
[pid 21449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20609", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20609", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20609/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20609/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20609/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20609")                        = 0
mkdir("./20610", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21450 attached
, child_tidptr=0x55558cab0650) = 21450
[pid 21450] set_robust_list(0x55558cab0660, 24) = 0
[pid 21450] chdir("./20610")            = 0
[pid 21450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21450] setpgid(0, 0)               = 0
[pid 21450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21450] write(3, "1000", 4)         = 4
[pid 21450] close(3)                    = 0
[pid 21450] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21450] write(1, "executing program\n", 18) = 18
[pid 21450] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21450] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21450] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21450] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21450] exit_group(0)               = ?
[pid 21450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20610", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20610", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20610/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20610/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20610/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20610")                        = 0
mkdir("./20611", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21451
./strace-static-x86_64: Process 21451 attached
[pid 21451] set_robust_list(0x55558cab0660, 24) = 0
[pid 21451] chdir("./20611")            = 0
[pid 21451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21451] setpgid(0, 0)               = 0
[pid 21451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21451] write(3, "1000", 4)         = 4
[pid 21451] close(3)                    = 0
[pid 21451] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21451] write(1, "executing program\n", 18) = 18
[pid 21451] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21451] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21451] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21451] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21451] exit_group(0)               = ?
[pid 21451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20611", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20611", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20611/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20611/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20611/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20611")                        = 0
mkdir("./20612", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21452
./strace-static-x86_64: Process 21452 attached
[pid 21452] set_robust_list(0x55558cab0660, 24) = 0
[pid 21452] chdir("./20612")            = 0
[pid 21452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21452] setpgid(0, 0)               = 0
[pid 21452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21452] write(3, "1000", 4)         = 4
[pid 21452] close(3)                    = 0
[pid 21452] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21452] write(1, "executing program\n", 18executing program
) = 18
[pid 21452] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21452] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21452] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21452] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21452] exit_group(0)               = ?
[pid 21452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20612", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20612", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20612/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20612/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20612/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20612")                        = 0
mkdir("./20613", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21453 attached
, child_tidptr=0x55558cab0650) = 21453
[pid 21453] set_robust_list(0x55558cab0660, 24) = 0
[pid 21453] chdir("./20613")            = 0
[pid 21453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21453] setpgid(0, 0)               = 0
[pid 21453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21453] write(3, "1000", 4)         = 4
[pid 21453] close(3)                    = 0
[pid 21453] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21453] write(1, "executing program\n", 18) = 18
[pid 21453] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21453] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21453] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21453] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21453] exit_group(0)               = ?
[pid 21453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20613", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20613", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20613/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20613/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20613/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20613")                        = 0
mkdir("./20614", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21454
./strace-static-x86_64: Process 21454 attached
[pid 21454] set_robust_list(0x55558cab0660, 24) = 0
[pid 21454] chdir("./20614")            = 0
[pid 21454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21454] setpgid(0, 0)               = 0
[pid 21454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21454] write(3, "1000", 4)         = 4
[pid 21454] close(3)                    = 0
[pid 21454] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21454] write(1, "executing program\n", 18) = 18
[pid 21454] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21454] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21454] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21454] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21454] exit_group(0)               = ?
[pid 21454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20614", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20614", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20614/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20614/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20614/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20614")                        = 0
mkdir("./20615", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21455 attached
, child_tidptr=0x55558cab0650) = 21455
[pid 21455] set_robust_list(0x55558cab0660, 24) = 0
[pid 21455] chdir("./20615")            = 0
[pid 21455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21455] setpgid(0, 0)               = 0
[pid 21455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21455] write(3, "1000", 4)         = 4
[pid 21455] close(3)                    = 0
[pid 21455] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21455] write(1, "executing program\n", 18) = 18
[pid 21455] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21455] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21455] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21455] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21455] exit_group(0)               = ?
[pid 21455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20615", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20615", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20615/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20615/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20615/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20615")                        = 0
mkdir("./20616", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21456
./strace-static-x86_64: Process 21456 attached
[pid 21456] set_robust_list(0x55558cab0660, 24) = 0
[pid 21456] chdir("./20616")            = 0
[pid 21456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21456] setpgid(0, 0)               = 0
[pid 21456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21456] write(3, "1000", 4)         = 4
[pid 21456] close(3)                    = 0
[pid 21456] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21456] write(1, "executing program\n", 18) = 18
[pid 21456] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21456] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21456] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21456] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21456] exit_group(0)               = ?
[pid 21456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20616", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20616", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20616/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20616/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20616/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20616")                        = 0
mkdir("./20617", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21457
./strace-static-x86_64: Process 21457 attached
[pid 21457] set_robust_list(0x55558cab0660, 24) = 0
[pid 21457] chdir("./20617")            = 0
[pid 21457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21457] setpgid(0, 0)               = 0
[pid 21457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21457] write(3, "1000", 4)         = 4
[pid 21457] close(3)                    = 0
[pid 21457] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21457] write(1, "executing program\n", 18executing program
) = 18
[pid 21457] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21457] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21457] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21457] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21457] exit_group(0)               = ?
[pid 21457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20617", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20617", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20617/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20617/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20617/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20617")                        = 0
mkdir("./20618", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21458
./strace-static-x86_64: Process 21458 attached
[pid 21458] set_robust_list(0x55558cab0660, 24) = 0
[pid 21458] chdir("./20618")            = 0
[pid 21458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21458] setpgid(0, 0)               = 0
[pid 21458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21458] write(3, "1000", 4)         = 4
[pid 21458] close(3)                    = 0
[pid 21458] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21458] write(1, "executing program\n", 18) = 18
[pid 21458] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21458] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21458] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21458] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21458] exit_group(0)               = ?
[pid 21458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20618", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20618", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20618/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20618/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20618/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20618")                        = 0
mkdir("./20619", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21459
./strace-static-x86_64: Process 21459 attached
[pid 21459] set_robust_list(0x55558cab0660, 24) = 0
[pid 21459] chdir("./20619")            = 0
[pid 21459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21459] setpgid(0, 0)               = 0
[pid 21459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21459] write(3, "1000", 4)         = 4
[pid 21459] close(3)                    = 0
[pid 21459] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21459] write(1, "executing program\n", 18) = 18
[pid 21459] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21459] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21459] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21459] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21459] exit_group(0)               = ?
[pid 21459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20619", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20619", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20619/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20619/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20619/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20619")                        = 0
mkdir("./20620", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21460
./strace-static-x86_64: Process 21460 attached
[pid 21460] set_robust_list(0x55558cab0660, 24) = 0
[pid 21460] chdir("./20620")            = 0
[pid 21460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21460] setpgid(0, 0)               = 0
[pid 21460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21460] write(3, "1000", 4)         = 4
[pid 21460] close(3)                    = 0
[pid 21460] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21460] write(1, "executing program\n", 18) = 18
[pid 21460] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21460] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21460] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21460] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21460] exit_group(0)               = ?
[pid 21460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20620", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20620", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20620/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20620/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20620/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20620")                        = 0
mkdir("./20621", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21461
./strace-static-x86_64: Process 21461 attached
[pid 21461] set_robust_list(0x55558cab0660, 24) = 0
[pid 21461] chdir("./20621")            = 0
[pid 21461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21461] setpgid(0, 0)               = 0
[pid 21461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21461] write(3, "1000", 4)         = 4
[pid 21461] close(3)                    = 0
[pid 21461] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21461] write(1, "executing program\n", 18) = 18
[pid 21461] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21461] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21461] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21461] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21461] exit_group(0)               = ?
[pid 21461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20621", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20621", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20621/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20621/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20621/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20621")                        = 0
mkdir("./20622", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21462
./strace-static-x86_64: Process 21462 attached
[pid 21462] set_robust_list(0x55558cab0660, 24) = 0
[pid 21462] chdir("./20622")            = 0
[pid 21462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21462] setpgid(0, 0)               = 0
[pid 21462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21462] write(3, "1000", 4)         = 4
[pid 21462] close(3)                    = 0
[pid 21462] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21462] write(1, "executing program\n", 18executing program
) = 18
[pid 21462] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21462] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21462] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21462] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21462] exit_group(0)               = ?
[pid 21462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20622", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20622", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20622/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20622/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20622/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20622")                        = 0
mkdir("./20623", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21463
./strace-static-x86_64: Process 21463 attached
[pid 21463] set_robust_list(0x55558cab0660, 24) = 0
[pid 21463] chdir("./20623")            = 0
[pid 21463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21463] setpgid(0, 0)               = 0
[pid 21463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21463] write(3, "1000", 4)         = 4
[pid 21463] close(3)                    = 0
[pid 21463] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21463] write(1, "executing program\n", 18) = 18
[pid 21463] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21463] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21463] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21463] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21463] exit_group(0)               = ?
[pid 21463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20623", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20623", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20623/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20623/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20623/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20623")                        = 0
mkdir("./20624", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21464
./strace-static-x86_64: Process 21464 attached
[pid 21464] set_robust_list(0x55558cab0660, 24) = 0
[pid 21464] chdir("./20624")            = 0
[pid 21464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21464] setpgid(0, 0)               = 0
[pid 21464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21464] write(3, "1000", 4)         = 4
[pid 21464] close(3)                    = 0
[pid 21464] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21464] write(1, "executing program\n", 18) = 18
[pid 21464] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21464] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21464] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21464] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21464] exit_group(0)               = ?
[pid 21464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20624", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20624", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20624/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20624/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20624/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20624")                        = 0
mkdir("./20625", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21465
./strace-static-x86_64: Process 21465 attached
[pid 21465] set_robust_list(0x55558cab0660, 24) = 0
[pid 21465] chdir("./20625")            = 0
[pid 21465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21465] setpgid(0, 0)               = 0
[pid 21465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21465] write(3, "1000", 4)         = 4
[pid 21465] close(3)                    = 0
[pid 21465] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21465] write(1, "executing program\n", 18) = 18
[pid 21465] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21465] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21465] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21465] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21465] exit_group(0)               = ?
[pid 21465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20625", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20625", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20625/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20625/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20625/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20625")                        = 0
mkdir("./20626", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21466 attached
, child_tidptr=0x55558cab0650) = 21466
[pid 21466] set_robust_list(0x55558cab0660, 24) = 0
[pid 21466] chdir("./20626")            = 0
[pid 21466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21466] setpgid(0, 0)               = 0
[pid 21466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21466] write(3, "1000", 4)         = 4
[pid 21466] close(3)                    = 0
[pid 21466] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21466] write(1, "executing program\n", 18) = 18
[pid 21466] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21466] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21466] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21466] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21466] exit_group(0)               = ?
[pid 21466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20626", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20626", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20626/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20626/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20626/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20626")                        = 0
mkdir("./20627", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21467
./strace-static-x86_64: Process 21467 attached
[pid 21467] set_robust_list(0x55558cab0660, 24) = 0
[pid 21467] chdir("./20627")            = 0
[pid 21467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21467] setpgid(0, 0)               = 0
[pid 21467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21467] write(3, "1000", 4)         = 4
[pid 21467] close(3)                    = 0
[pid 21467] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21467] write(1, "executing program\n", 18) = 18
[pid 21467] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21467] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21467] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21467] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21467] exit_group(0)               = ?
[pid 21467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20627", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20627", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20627/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20627/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20627/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20627")                        = 0
mkdir("./20628", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21468
./strace-static-x86_64: Process 21468 attached
[pid 21468] set_robust_list(0x55558cab0660, 24) = 0
[pid 21468] chdir("./20628")            = 0
[pid 21468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21468] setpgid(0, 0)               = 0
[pid 21468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21468] write(3, "1000", 4)         = 4
[pid 21468] close(3)                    = 0
[pid 21468] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21468] write(1, "executing program\n", 18) = 18
[pid 21468] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21468] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21468] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21468] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21468] exit_group(0)               = ?
[pid 21468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20628", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20628/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20628/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20628/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20628")                        = 0
mkdir("./20629", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21469
./strace-static-x86_64: Process 21469 attached
[pid 21469] set_robust_list(0x55558cab0660, 24) = 0
[pid 21469] chdir("./20629")            = 0
[pid 21469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21469] setpgid(0, 0)               = 0
[pid 21469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21469] write(3, "1000", 4)         = 4
[pid 21469] close(3)                    = 0
[pid 21469] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21469] write(1, "executing program\n", 18) = 18
[pid 21469] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21469] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21469] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21469] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21469] exit_group(0)               = ?
[pid 21469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20629", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20629", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20629/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20629/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20629/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20629")                        = 0
mkdir("./20630", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21470
./strace-static-x86_64: Process 21470 attached
[pid 21470] set_robust_list(0x55558cab0660, 24) = 0
[pid 21470] chdir("./20630")            = 0
[pid 21470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21470] setpgid(0, 0)               = 0
[pid 21470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21470] write(3, "1000", 4)         = 4
[pid 21470] close(3)                    = 0
[pid 21470] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21470] write(1, "executing program\n", 18) = 18
[pid 21470] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21470] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21470] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21470] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21470] exit_group(0)               = ?
[pid 21470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20630", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20630/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20630/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20630/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20630")                        = 0
mkdir("./20631", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21471
./strace-static-x86_64: Process 21471 attached
[pid 21471] set_robust_list(0x55558cab0660, 24) = 0
[pid 21471] chdir("./20631")            = 0
[pid 21471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21471] setpgid(0, 0)               = 0
[pid 21471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21471] write(3, "1000", 4)         = 4
[pid 21471] close(3)                    = 0
[pid 21471] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21471] write(1, "executing program\n", 18executing program
) = 18
[pid 21471] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21471] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21471] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21471] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21471] exit_group(0)               = ?
[pid 21471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20631", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20631/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20631/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20631/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20631")                        = 0
mkdir("./20632", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21472
./strace-static-x86_64: Process 21472 attached
[pid 21472] set_robust_list(0x55558cab0660, 24) = 0
[pid 21472] chdir("./20632")            = 0
[pid 21472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21472] setpgid(0, 0)               = 0
[pid 21472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21472] write(3, "1000", 4)         = 4
[pid 21472] close(3)                    = 0
[pid 21472] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21472] write(1, "executing program\n", 18executing program
) = 18
[pid 21472] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21472] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21472] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21472] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21472] exit_group(0)               = ?
[pid 21472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20632", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20632/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20632/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20632/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20632")                        = 0
mkdir("./20633", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21473
./strace-static-x86_64: Process 21473 attached
[pid 21473] set_robust_list(0x55558cab0660, 24) = 0
[pid 21473] chdir("./20633")            = 0
[pid 21473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21473] setpgid(0, 0)               = 0
[pid 21473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21473] write(3, "1000", 4)         = 4
[pid 21473] close(3)                    = 0
[pid 21473] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21473] write(1, "executing program\n", 18) = 18
[pid 21473] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21473] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21473] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21473] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21473] exit_group(0)               = ?
[pid 21473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20633", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20633", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20633/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20633/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20633/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20633")                        = 0
mkdir("./20634", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21474 attached
, child_tidptr=0x55558cab0650) = 21474
[pid 21474] set_robust_list(0x55558cab0660, 24) = 0
[pid 21474] chdir("./20634")            = 0
[pid 21474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21474] setpgid(0, 0)               = 0
[pid 21474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21474] write(3, "1000", 4)         = 4
[pid 21474] close(3)                    = 0
[pid 21474] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21474] write(1, "executing program\n", 18) = 18
[pid 21474] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21474] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21474] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21474] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21474] exit_group(0)               = ?
[pid 21474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20634", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20634/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20634/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20634/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20634")                        = 0
mkdir("./20635", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21476
./strace-static-x86_64: Process 21476 attached
[pid 21476] set_robust_list(0x55558cab0660, 24) = 0
[pid 21476] chdir("./20635")            = 0
[pid 21476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21476] setpgid(0, 0)               = 0
[pid 21476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21476] write(3, "1000", 4)         = 4
[pid 21476] close(3)                    = 0
[pid 21476] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21476] write(1, "executing program\n", 18executing program
) = 18
[pid 21476] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21476] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21476] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21476] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21476] exit_group(0)               = ?
[pid 21476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20635", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20635/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20635/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20635/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20635")                        = 0
mkdir("./20636", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21477 attached
, child_tidptr=0x55558cab0650) = 21477
[pid 21477] set_robust_list(0x55558cab0660, 24) = 0
[pid 21477] chdir("./20636")            = 0
[pid 21477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21477] setpgid(0, 0)               = 0
[pid 21477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21477] write(3, "1000", 4)         = 4
[pid 21477] close(3)                    = 0
[pid 21477] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21477] write(1, "executing program\n", 18) = 18
[pid 21477] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21477] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21477] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21477] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21477] exit_group(0)               = ?
[pid 21477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20636", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20636/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20636/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20636/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20636")                        = 0
mkdir("./20637", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21478
./strace-static-x86_64: Process 21478 attached
[pid 21478] set_robust_list(0x55558cab0660, 24) = 0
[pid 21478] chdir("./20637")            = 0
[pid 21478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21478] setpgid(0, 0)               = 0
[pid 21478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21478] write(3, "1000", 4)         = 4
[pid 21478] close(3)                    = 0
[pid 21478] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21478] write(1, "executing program\n", 18executing program
) = 18
[pid 21478] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21478] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21478] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21478] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21478] exit_group(0)               = ?
[pid 21478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20637", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20637/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20637/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20637/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20637")                        = 0
mkdir("./20638", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21479
./strace-static-x86_64: Process 21479 attached
[pid 21479] set_robust_list(0x55558cab0660, 24) = 0
[pid 21479] chdir("./20638")            = 0
[pid 21479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21479] setpgid(0, 0)               = 0
[pid 21479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21479] write(3, "1000", 4)         = 4
[pid 21479] close(3)                    = 0
[pid 21479] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21479] write(1, "executing program\n", 18) = 18
[pid 21479] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21479] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21479] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21479] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21479] exit_group(0)               = ?
[pid 21479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20638", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20638/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20638/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20638/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20638")                        = 0
mkdir("./20639", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21480 attached
, child_tidptr=0x55558cab0650) = 21480
[pid 21480] set_robust_list(0x55558cab0660, 24) = 0
[pid 21480] chdir("./20639")            = 0
[pid 21480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21480] setpgid(0, 0)               = 0
[pid 21480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21480] write(3, "1000", 4)         = 4
[pid 21480] close(3)                    = 0
[pid 21480] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21480] write(1, "executing program\n", 18) = 18
[pid 21480] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21480] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21480] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21480] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21480] exit_group(0)               = ?
[pid 21480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20639", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20639/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20639/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20639/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20639")                        = 0
mkdir("./20640", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21481
./strace-static-x86_64: Process 21481 attached
[pid 21481] set_robust_list(0x55558cab0660, 24) = 0
[pid 21481] chdir("./20640")            = 0
[pid 21481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21481] setpgid(0, 0)               = 0
[pid 21481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21481] write(3, "1000", 4)         = 4
[pid 21481] close(3)                    = 0
[pid 21481] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21481] write(1, "executing program\n", 18) = 18
[pid 21481] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21481] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21481] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21481] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21481] exit_group(0)               = ?
[pid 21481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20640", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20640/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20640/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20640/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20640")                        = 0
mkdir("./20641", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21482
./strace-static-x86_64: Process 21482 attached
[pid 21482] set_robust_list(0x55558cab0660, 24) = 0
[pid 21482] chdir("./20641")            = 0
[pid 21482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21482] setpgid(0, 0)               = 0
[pid 21482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21482] write(3, "1000", 4)         = 4
[pid 21482] close(3)                    = 0
[pid 21482] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21482] write(1, "executing program\n", 18) = 18
[pid 21482] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21482] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21482] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21482] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21482] exit_group(0)               = ?
[pid 21482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20641", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20641/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20641/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20641/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20641")                        = 0
mkdir("./20642", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21483
./strace-static-x86_64: Process 21483 attached
[pid 21483] set_robust_list(0x55558cab0660, 24) = 0
[pid 21483] chdir("./20642")            = 0
[pid 21483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21483] setpgid(0, 0)               = 0
[pid 21483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21483] write(3, "1000", 4)         = 4
[pid 21483] close(3)                    = 0
[pid 21483] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21483] write(1, "executing program\n", 18) = 18
[pid 21483] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21483] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21483] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21483] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21483] exit_group(0)               = ?
[pid 21483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20642", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20642/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20642/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20642/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20642")                        = 0
mkdir("./20643", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21484
./strace-static-x86_64: Process 21484 attached
[pid 21484] set_robust_list(0x55558cab0660, 24) = 0
[pid 21484] chdir("./20643")            = 0
[pid 21484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21484] setpgid(0, 0)               = 0
[pid 21484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21484] write(3, "1000", 4)         = 4
[pid 21484] close(3)                    = 0
[pid 21484] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21484] write(1, "executing program\n", 18) = 18
[pid 21484] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21484] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21484] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21484] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21484] exit_group(0)               = ?
[pid 21484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20643", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20643/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20643/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20643")                        = 0
mkdir("./20644", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21485 attached
, child_tidptr=0x55558cab0650) = 21485
[pid 21485] set_robust_list(0x55558cab0660, 24) = 0
[pid 21485] chdir("./20644")            = 0
[pid 21485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21485] setpgid(0, 0)               = 0
[pid 21485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21485] write(3, "1000", 4)         = 4
[pid 21485] close(3)                    = 0
[pid 21485] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21485] write(1, "executing program\n", 18) = 18
[pid 21485] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21485] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21485] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21485] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21485] exit_group(0)               = ?
[pid 21485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20644", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20644/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20644/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20644")                        = 0
mkdir("./20645", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21486 attached
, child_tidptr=0x55558cab0650) = 21486
[pid 21486] set_robust_list(0x55558cab0660, 24) = 0
[pid 21486] chdir("./20645")            = 0
[pid 21486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21486] setpgid(0, 0)               = 0
[pid 21486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21486] write(3, "1000", 4)         = 4
[pid 21486] close(3)                    = 0
[pid 21486] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21486] write(1, "executing program\n", 18) = 18
[pid 21486] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21486] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21486] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21486] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21486] exit_group(0)               = ?
[pid 21486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20645", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20645/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20645/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20645")                        = 0
mkdir("./20646", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21487
./strace-static-x86_64: Process 21487 attached
[pid 21487] set_robust_list(0x55558cab0660, 24) = 0
[pid 21487] chdir("./20646")            = 0
[pid 21487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21487] setpgid(0, 0)               = 0
[pid 21487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21487] write(3, "1000", 4)         = 4
[pid 21487] close(3)                    = 0
[pid 21487] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21487] write(1, "executing program\n", 18) = 18
[pid 21487] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21487] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21487] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21487] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21487] exit_group(0)               = ?
[pid 21487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20646", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20646/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20646/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20646")                        = 0
mkdir("./20647", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 21488 attached
, child_tidptr=0x55558cab0650) = 21488
[pid 21488] set_robust_list(0x55558cab0660, 24) = 0
[pid 21488] chdir("./20647")            = 0
[pid 21488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21488] setpgid(0, 0)               = 0
[pid 21488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21488] write(3, "1000", 4)         = 4
[pid 21488] close(3)                    = 0
[pid 21488] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21488] write(1, "executing program\n", 18) = 18
[pid 21488] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21488] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21488] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21488] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21488] exit_group(0)               = ?
[pid 21488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20647", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20647/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20647/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20647")                        = 0
mkdir("./20648", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21489
./strace-static-x86_64: Process 21489 attached
[pid 21489] set_robust_list(0x55558cab0660, 24) = 0
[pid 21489] chdir("./20648")            = 0
[pid 21489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21489] setpgid(0, 0)               = 0
[pid 21489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21489] write(3, "1000", 4)         = 4
[pid 21489] close(3)                    = 0
[pid 21489] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21489] write(1, "executing program\n", 18executing program
) = 18
[pid 21489] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21489] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21489] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21489] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21489] exit_group(0)               = ?
[pid 21489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20648", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20648/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20648/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20648")                        = 0
mkdir("./20649", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21490
./strace-static-x86_64: Process 21490 attached
[pid 21490] set_robust_list(0x55558cab0660, 24) = 0
[pid 21490] chdir("./20649")            = 0
[pid 21490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21490] setpgid(0, 0)               = 0
[pid 21490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21490] write(3, "1000", 4)         = 4
[pid 21490] close(3)                    = 0
[pid 21490] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21490] write(1, "executing program\n", 18) = 18
[pid 21490] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21490] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21490] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21490] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21490] exit_group(0)               = ?
[pid 21490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20649", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20649/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20649/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20649")                        = 0
mkdir("./20650", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21491
./strace-static-x86_64: Process 21491 attached
[pid 21491] set_robust_list(0x55558cab0660, 24) = 0
[pid 21491] chdir("./20650")            = 0
[pid 21491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21491] setpgid(0, 0)               = 0
[pid 21491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21491] write(3, "1000", 4)         = 4
[pid 21491] close(3)                    = 0
[pid 21491] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21491] write(1, "executing program\n", 18) = 18
[pid 21491] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21491] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21491] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21491] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21491] exit_group(0)               = ?
[pid 21491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20650", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20650/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20650/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20650")                        = 0
mkdir("./20651", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21492 attached
, child_tidptr=0x55558cab0650) = 21492
[pid 21492] set_robust_list(0x55558cab0660, 24) = 0
[pid 21492] chdir("./20651")            = 0
[pid 21492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21492] setpgid(0, 0)               = 0
[pid 21492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21492] write(3, "1000", 4)         = 4
[pid 21492] close(3)                    = 0
[pid 21492] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21492] write(1, "executing program\n", 18) = 18
[pid 21492] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21492] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21492] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21492] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21492] exit_group(0)               = ?
[pid 21492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20651", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20651/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20651/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20651")                        = 0
mkdir("./20652", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21493
./strace-static-x86_64: Process 21493 attached
[pid 21493] set_robust_list(0x55558cab0660, 24) = 0
[pid 21493] chdir("./20652")            = 0
[pid 21493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21493] setpgid(0, 0)               = 0
[pid 21493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21493] write(3, "1000", 4)         = 4
[pid 21493] close(3)                    = 0
[pid 21493] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21493] write(1, "executing program\n", 18) = 18
[pid 21493] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21493] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21493] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21493] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21493] exit_group(0)               = ?
[pid 21493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20652", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20652/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20652/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20652")                        = 0
mkdir("./20653", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21494
./strace-static-x86_64: Process 21494 attached
[pid 21494] set_robust_list(0x55558cab0660, 24) = 0
[pid 21494] chdir("./20653")            = 0
[pid 21494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21494] setpgid(0, 0)               = 0
[pid 21494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21494] write(3, "1000", 4)         = 4
[pid 21494] close(3)                    = 0
[pid 21494] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21494] write(1, "executing program\n", 18executing program
) = 18
[pid 21494] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21494] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21494] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21494] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21494] exit_group(0)               = ?
[pid 21494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20653", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20653/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20653/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20653")                        = 0
mkdir("./20654", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21495 attached
, child_tidptr=0x55558cab0650) = 21495
[pid 21495] set_robust_list(0x55558cab0660, 24) = 0
[pid 21495] chdir("./20654")            = 0
[pid 21495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21495] setpgid(0, 0)               = 0
[pid 21495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21495] write(3, "1000", 4)         = 4
[pid 21495] close(3)                    = 0
[pid 21495] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21495] write(1, "executing program\n", 18) = 18
[pid 21495] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21495] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21495] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21495] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21495] exit_group(0)               = ?
[pid 21495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20654", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20654/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20654/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20654")                        = 0
mkdir("./20655", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21496 attached
, child_tidptr=0x55558cab0650) = 21496
[pid 21496] set_robust_list(0x55558cab0660, 24) = 0
[pid 21496] chdir("./20655")            = 0
[pid 21496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21496] setpgid(0, 0)               = 0
[pid 21496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21496] write(3, "1000", 4)         = 4
[pid 21496] close(3)                    = 0
[pid 21496] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21496] write(1, "executing program\n", 18) = 18
[pid 21496] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21496] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21496] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21496] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21496] exit_group(0)               = ?
[pid 21496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20655", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20655/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20655/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20655")                        = 0
mkdir("./20656", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21497
./strace-static-x86_64: Process 21497 attached
[pid 21497] set_robust_list(0x55558cab0660, 24) = 0
[pid 21497] chdir("./20656")            = 0
[pid 21497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21497] setpgid(0, 0)               = 0
[pid 21497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21497] write(3, "1000", 4)         = 4
[pid 21497] close(3)                    = 0
[pid 21497] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21497] write(1, "executing program\n", 18) = 18
[pid 21497] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21497] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21497] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21497] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21497] exit_group(0)               = ?
[pid 21497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20656", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20656/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20656/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20656")                        = 0
mkdir("./20657", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21498
./strace-static-x86_64: Process 21498 attached
[pid 21498] set_robust_list(0x55558cab0660, 24) = 0
[pid 21498] chdir("./20657")            = 0
[pid 21498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21498] setpgid(0, 0)               = 0
[pid 21498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21498] write(3, "1000", 4)         = 4
[pid 21498] close(3)                    = 0
[pid 21498] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21498] write(1, "executing program\n", 18) = 18
[pid 21498] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21498] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21498] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21498] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21498] exit_group(0)               = ?
[pid 21498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20657", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20657/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20657/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20657")                        = 0
mkdir("./20658", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21499 attached
, child_tidptr=0x55558cab0650) = 21499
[pid 21499] set_robust_list(0x55558cab0660, 24) = 0
[pid 21499] chdir("./20658")            = 0
[pid 21499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21499] setpgid(0, 0)               = 0
[pid 21499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21499] write(3, "1000", 4)         = 4
[pid 21499] close(3)                    = 0
[pid 21499] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21499] write(1, "executing program\n", 18executing program
) = 18
[pid 21499] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21499] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21499] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21499] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21499] exit_group(0)               = ?
[pid 21499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20658", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20658/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20658/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20658")                        = 0
mkdir("./20659", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21500
./strace-static-x86_64: Process 21500 attached
[pid 21500] set_robust_list(0x55558cab0660, 24) = 0
[pid 21500] chdir("./20659")            = 0
[pid 21500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21500] setpgid(0, 0)               = 0
[pid 21500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21500] write(3, "1000", 4)         = 4
[pid 21500] close(3)                    = 0
[pid 21500] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21500] write(1, "executing program\n", 18) = 18
[pid 21500] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21500] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21500] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21500] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21500] exit_group(0)               = ?
[pid 21500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20659", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20659/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20659/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20659")                        = 0
mkdir("./20660", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21501
./strace-static-x86_64: Process 21501 attached
[pid 21501] set_robust_list(0x55558cab0660, 24) = 0
[pid 21501] chdir("./20660")            = 0
[pid 21501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21501] setpgid(0, 0)               = 0
[pid 21501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21501] write(3, "1000", 4)         = 4
[pid 21501] close(3)                    = 0
[pid 21501] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21501] write(1, "executing program\n", 18) = 18
[pid 21501] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21501] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21501] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21501] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21501] exit_group(0)               = ?
[pid 21501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20660", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20660/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20660/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20660")                        = 0
mkdir("./20661", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21502 attached
, child_tidptr=0x55558cab0650) = 21502
[pid 21502] set_robust_list(0x55558cab0660, 24) = 0
[pid 21502] chdir("./20661")            = 0
[pid 21502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21502] setpgid(0, 0)               = 0
[pid 21502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21502] write(3, "1000", 4)         = 4
[pid 21502] close(3)                    = 0
[pid 21502] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21502] write(1, "executing program\n", 18) = 18
[pid 21502] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21502] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21502] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21502] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21502] exit_group(0)               = ?
[pid 21502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20661", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20661/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20661/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20661")                        = 0
mkdir("./20662", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21503 attached
, child_tidptr=0x55558cab0650) = 21503
[pid 21503] set_robust_list(0x55558cab0660, 24) = 0
[pid 21503] chdir("./20662")            = 0
[pid 21503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21503] setpgid(0, 0)               = 0
[pid 21503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21503] write(3, "1000", 4)         = 4
[pid 21503] close(3)                    = 0
[pid 21503] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21503] write(1, "executing program\n", 18executing program
) = 18
[pid 21503] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21503] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21503] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21503] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21503] exit_group(0)               = ?
[pid 21503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20662", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20662/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20662/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20662")                        = 0
mkdir("./20663", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21504
./strace-static-x86_64: Process 21504 attached
[pid 21504] set_robust_list(0x55558cab0660, 24) = 0
[pid 21504] chdir("./20663")            = 0
[pid 21504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21504] setpgid(0, 0)               = 0
[pid 21504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21504] write(3, "1000", 4)         = 4
[pid 21504] close(3)                    = 0
[pid 21504] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21504] write(1, "executing program\n", 18) = 18
[pid 21504] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21504] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21504] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21504] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21504] exit_group(0)               = ?
[pid 21504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20663", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20663/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20663/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20663")                        = 0
mkdir("./20664", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21505 attached
, child_tidptr=0x55558cab0650) = 21505
[pid 21505] set_robust_list(0x55558cab0660, 24) = 0
[pid 21505] chdir("./20664")            = 0
[pid 21505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21505] setpgid(0, 0)               = 0
[pid 21505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21505] write(3, "1000", 4)         = 4
[pid 21505] close(3)                    = 0
[pid 21505] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21505] write(1, "executing program\n", 18) = 18
[pid 21505] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21505] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21505] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21505] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21505] exit_group(0)               = ?
[pid 21505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20664", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20664/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20664/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20664")                        = 0
mkdir("./20665", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21506
./strace-static-x86_64: Process 21506 attached
[pid 21506] set_robust_list(0x55558cab0660, 24) = 0
[pid 21506] chdir("./20665")            = 0
[pid 21506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21506] setpgid(0, 0)               = 0
[pid 21506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21506] write(3, "1000", 4)         = 4
[pid 21506] close(3)                    = 0
[pid 21506] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21506] write(1, "executing program\n", 18) = 18
[pid 21506] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21506] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21506] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21506] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21506] exit_group(0)               = ?
[pid 21506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20665", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20665/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20665/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20665")                        = 0
mkdir("./20666", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21507
./strace-static-x86_64: Process 21507 attached
[pid 21507] set_robust_list(0x55558cab0660, 24) = 0
[pid 21507] chdir("./20666")            = 0
[pid 21507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21507] setpgid(0, 0)               = 0
[pid 21507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21507] write(3, "1000", 4)         = 4
[pid 21507] close(3)                    = 0
[pid 21507] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21507] write(1, "executing program\n", 18) = 18
[pid 21507] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21507] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21507] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21507] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21507] exit_group(0)               = ?
[pid 21507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20666", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20666/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20666/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20666")                        = 0
mkdir("./20667", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21508
./strace-static-x86_64: Process 21508 attached
[pid 21508] set_robust_list(0x55558cab0660, 24) = 0
[pid 21508] chdir("./20667")            = 0
[pid 21508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21508] setpgid(0, 0)               = 0
[pid 21508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21508] write(3, "1000", 4)         = 4
[pid 21508] close(3)                    = 0
[pid 21508] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21508] write(1, "executing program\n", 18) = 18
[pid 21508] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21508] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21508] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21508] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21508] exit_group(0)               = ?
[pid 21508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20667", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20667/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20667/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20667")                        = 0
mkdir("./20668", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21509
./strace-static-x86_64: Process 21509 attached
[pid 21509] set_robust_list(0x55558cab0660, 24) = 0
[pid 21509] chdir("./20668")            = 0
[pid 21509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21509] setpgid(0, 0)               = 0
[pid 21509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21509] write(3, "1000", 4)         = 4
[pid 21509] close(3)                    = 0
[pid 21509] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21509] write(1, "executing program\n", 18executing program
) = 18
[pid 21509] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21509] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21509] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21509] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21509] exit_group(0)               = ?
[pid 21509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20668", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20668/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20668/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20668")                        = 0
mkdir("./20669", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21510
./strace-static-x86_64: Process 21510 attached
[pid 21510] set_robust_list(0x55558cab0660, 24) = 0
[pid 21510] chdir("./20669")            = 0
[pid 21510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21510] setpgid(0, 0)               = 0
[pid 21510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21510] write(3, "1000", 4)         = 4
[pid 21510] close(3)                    = 0
[pid 21510] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21510] write(1, "executing program\n", 18) = 18
[pid 21510] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21510] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21510] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21510] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21510] exit_group(0)               = ?
[pid 21510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20669", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20669/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20669/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20669")                        = 0
mkdir("./20670", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21511
./strace-static-x86_64: Process 21511 attached
[pid 21511] set_robust_list(0x55558cab0660, 24) = 0
[pid 21511] chdir("./20670")            = 0
[pid 21511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21511] setpgid(0, 0)               = 0
[pid 21511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21511] write(3, "1000", 4)         = 4
[pid 21511] close(3)                    = 0
[pid 21511] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21511] write(1, "executing program\n", 18) = 18
[pid 21511] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21511] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21511] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21511] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21511] exit_group(0)               = ?
[pid 21511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20670", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20670/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20670/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20670")                        = 0
mkdir("./20671", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21512
./strace-static-x86_64: Process 21512 attached
[pid 21512] set_robust_list(0x55558cab0660, 24) = 0
[pid 21512] chdir("./20671")            = 0
[pid 21512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21512] setpgid(0, 0)               = 0
[pid 21512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21512] write(3, "1000", 4)         = 4
[pid 21512] close(3)                    = 0
[pid 21512] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21512] write(1, "executing program\n", 18) = 18
[pid 21512] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21512] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21512] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21512] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21512] exit_group(0)               = ?
[pid 21512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20671", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20671/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20671/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20671")                        = 0
mkdir("./20672", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21513
./strace-static-x86_64: Process 21513 attached
[pid 21513] set_robust_list(0x55558cab0660, 24) = 0
[pid 21513] chdir("./20672")            = 0
[pid 21513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21513] setpgid(0, 0)               = 0
[pid 21513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21513] write(3, "1000", 4)         = 4
[pid 21513] close(3)                    = 0
[pid 21513] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21513] write(1, "executing program\n", 18executing program
) = 18
[pid 21513] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21513] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21513] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21513] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21513] exit_group(0)               = ?
[pid 21513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20672", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20672/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20672/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20672")                        = 0
mkdir("./20673", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21514 attached
, child_tidptr=0x55558cab0650) = 21514
[pid 21514] set_robust_list(0x55558cab0660, 24) = 0
[pid 21514] chdir("./20673")            = 0
[pid 21514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21514] setpgid(0, 0)               = 0
[pid 21514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21514] write(3, "1000", 4)         = 4
[pid 21514] close(3)                    = 0
[pid 21514] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21514] write(1, "executing program\n", 18executing program
) = 18
[pid 21514] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21514] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21514] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21514] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21514] exit_group(0)               = ?
[pid 21514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20673", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20673/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20673/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20673")                        = 0
mkdir("./20674", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21515
./strace-static-x86_64: Process 21515 attached
[pid 21515] set_robust_list(0x55558cab0660, 24) = 0
[pid 21515] chdir("./20674")            = 0
[pid 21515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21515] setpgid(0, 0)               = 0
[pid 21515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21515] write(3, "1000", 4)         = 4
[pid 21515] close(3)                    = 0
[pid 21515] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21515] write(1, "executing program\n", 18executing program
) = 18
[pid 21515] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21515] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21515] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21515] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21515] exit_group(0)               = ?
[pid 21515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20674", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20674/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20674/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20674")                        = 0
mkdir("./20675", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21516
./strace-static-x86_64: Process 21516 attached
[pid 21516] set_robust_list(0x55558cab0660, 24) = 0
[pid 21516] chdir("./20675")            = 0
[pid 21516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21516] setpgid(0, 0)               = 0
[pid 21516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21516] write(3, "1000", 4)         = 4
[pid 21516] close(3)                    = 0
[pid 21516] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21516] write(1, "executing program\n", 18) = 18
[pid 21516] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21516] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21516] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21516] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21516] exit_group(0)               = ?
[pid 21516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20675", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20675/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20675/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20675")                        = 0
mkdir("./20676", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21517 attached
, child_tidptr=0x55558cab0650) = 21517
[pid 21517] set_robust_list(0x55558cab0660, 24) = 0
[pid 21517] chdir("./20676")            = 0
[pid 21517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21517] setpgid(0, 0)               = 0
[pid 21517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21517] write(3, "1000", 4)         = 4
[pid 21517] close(3)                    = 0
[pid 21517] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21517] write(1, "executing program\n", 18executing program
) = 18
[pid 21517] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21517] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21517] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21517] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21517] exit_group(0)               = ?
[pid 21517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20676", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20676/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20676/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20676")                        = 0
mkdir("./20677", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21518 attached
, child_tidptr=0x55558cab0650) = 21518
[pid 21518] set_robust_list(0x55558cab0660, 24) = 0
[pid 21518] chdir("./20677")            = 0
[pid 21518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21518] setpgid(0, 0)               = 0
[pid 21518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21518] write(3, "1000", 4)         = 4
[pid 21518] close(3)                    = 0
[pid 21518] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21518] write(1, "executing program\n", 18) = 18
[pid 21518] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21518] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21518] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21518] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21518] exit_group(0)               = ?
[pid 21518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20677", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20677/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20677/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20677")                        = 0
mkdir("./20678", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21519 attached
, child_tidptr=0x55558cab0650) = 21519
[pid 21519] set_robust_list(0x55558cab0660, 24) = 0
[pid 21519] chdir("./20678")            = 0
[pid 21519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21519] setpgid(0, 0)               = 0
[pid 21519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21519] write(3, "1000", 4)         = 4
[pid 21519] close(3)                    = 0
[pid 21519] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21519] write(1, "executing program\n", 18) = 18
[pid 21519] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21519] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21519] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21519] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21519] exit_group(0)               = ?
[pid 21519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20678", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20678/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20678/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20678")                        = 0
mkdir("./20679", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21520
./strace-static-x86_64: Process 21520 attached
[pid 21520] set_robust_list(0x55558cab0660, 24) = 0
[pid 21520] chdir("./20679")            = 0
[pid 21520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21520] setpgid(0, 0)               = 0
[pid 21520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21520] write(3, "1000", 4)         = 4
[pid 21520] close(3)                    = 0
[pid 21520] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21520] write(1, "executing program\n", 18) = 18
[pid 21520] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21520] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21520] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21520] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21520] exit_group(0)               = ?
[pid 21520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20679", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20679/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20679/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20679")                        = 0
mkdir("./20680", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21521 attached
, child_tidptr=0x55558cab0650) = 21521
[pid 21521] set_robust_list(0x55558cab0660, 24) = 0
[pid 21521] chdir("./20680")            = 0
[pid 21521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21521] setpgid(0, 0)               = 0
[pid 21521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21521] write(3, "1000", 4)         = 4
[pid 21521] close(3)                    = 0
[pid 21521] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21521] write(1, "executing program\n", 18) = 18
[pid 21521] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21521] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21521] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21521] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21521] exit_group(0)               = ?
[pid 21521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20680", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20680/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20680/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20680")                        = 0
mkdir("./20681", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21522
./strace-static-x86_64: Process 21522 attached
[pid 21522] set_robust_list(0x55558cab0660, 24) = 0
[pid 21522] chdir("./20681")            = 0
[pid 21522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21522] setpgid(0, 0)               = 0
[pid 21522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21522] write(3, "1000", 4)         = 4
[pid 21522] close(3)                    = 0
[pid 21522] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21522] write(1, "executing program\n", 18executing program
) = 18
[pid 21522] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21522] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21522] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21522] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21522] exit_group(0)               = ?
[pid 21522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20681", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20681/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20681/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20681")                        = 0
mkdir("./20682", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21523 attached
 <unfinished ...>
[pid 21523] set_robust_list(0x55558cab0660, 24) = 0
[pid 21523] chdir("./20682" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21523
[pid 21523] <... chdir resumed>)        = 0
[pid 21523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21523] setpgid(0, 0)               = 0
[pid 21523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21523] write(3, "1000", 4)         = 4
[pid 21523] close(3)                    = 0
[pid 21523] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21523] write(1, "executing program\n", 18) = 18
[pid 21523] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21523] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21523] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21523] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21523] exit_group(0)               = ?
[pid 21523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20682", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20682/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20682/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20682")                        = 0
mkdir("./20683", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21524
./strace-static-x86_64: Process 21524 attached
[pid 21524] set_robust_list(0x55558cab0660, 24) = 0
[pid 21524] chdir("./20683")            = 0
[pid 21524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21524] setpgid(0, 0)               = 0
[pid 21524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21524] write(3, "1000", 4)         = 4
[pid 21524] close(3)                    = 0
[pid 21524] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21524] write(1, "executing program\n", 18executing program
) = 18
[pid 21524] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21524] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21524] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21524] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21524] exit_group(0)               = ?
[pid 21524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20683", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20683/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20683/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20683")                        = 0
mkdir("./20684", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21525
./strace-static-x86_64: Process 21525 attached
[pid 21525] set_robust_list(0x55558cab0660, 24) = 0
[pid 21525] chdir("./20684")            = 0
[pid 21525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21525] setpgid(0, 0)               = 0
[pid 21525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21525] write(3, "1000", 4)         = 4
[pid 21525] close(3)                    = 0
[pid 21525] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21525] write(1, "executing program\n", 18executing program
) = 18
[pid 21525] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21525] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21525] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21525] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21525] exit_group(0)               = ?
[pid 21525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20684", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20684/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20684/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20684")                        = 0
mkdir("./20685", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21526
./strace-static-x86_64: Process 21526 attached
[pid 21526] set_robust_list(0x55558cab0660, 24) = 0
[pid 21526] chdir("./20685")            = 0
[pid 21526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21526] setpgid(0, 0)               = 0
[pid 21526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21526] write(3, "1000", 4)         = 4
[pid 21526] close(3)                    = 0
[pid 21526] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21526] write(1, "executing program\n", 18) = 18
[pid 21526] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21526] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21526] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21526] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21526] exit_group(0)               = ?
[pid 21526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20685", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20685/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20685/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20685")                        = 0
mkdir("./20686", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21527 attached
, child_tidptr=0x55558cab0650) = 21527
[pid 21527] set_robust_list(0x55558cab0660, 24) = 0
[pid 21527] chdir("./20686")            = 0
[pid 21527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21527] setpgid(0, 0)               = 0
[pid 21527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21527] write(3, "1000", 4)         = 4
[pid 21527] close(3)                    = 0
[pid 21527] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21527] write(1, "executing program\n", 18) = 18
[pid 21527] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21527] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21527] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21527] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21527] exit_group(0)               = ?
[pid 21527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20686", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20686/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20686/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20686")                        = 0
mkdir("./20687", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21528
./strace-static-x86_64: Process 21528 attached
[pid 21528] set_robust_list(0x55558cab0660, 24) = 0
[pid 21528] chdir("./20687")            = 0
[pid 21528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21528] setpgid(0, 0)               = 0
[pid 21528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21528] write(3, "1000", 4)         = 4
[pid 21528] close(3)                    = 0
[pid 21528] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21528] write(1, "executing program\n", 18) = 18
[pid 21528] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21528] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21528] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21528] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21528] exit_group(0)               = ?
[pid 21528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20687", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20687/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20687/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20687")                        = 0
mkdir("./20688", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21529 attached
, child_tidptr=0x55558cab0650) = 21529
[pid 21529] set_robust_list(0x55558cab0660, 24) = 0
[pid 21529] chdir("./20688")            = 0
[pid 21529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21529] setpgid(0, 0)               = 0
[pid 21529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21529] write(3, "1000", 4)         = 4
[pid 21529] close(3)                    = 0
[pid 21529] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21529] write(1, "executing program\n", 18executing program
) = 18
[pid 21529] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21529] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21529] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21529] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21529] exit_group(0)               = ?
[pid 21529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20688", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20688/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20688/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20688")                        = 0
mkdir("./20689", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21530
./strace-static-x86_64: Process 21530 attached
[pid 21530] set_robust_list(0x55558cab0660, 24) = 0
[pid 21530] chdir("./20689")            = 0
[pid 21530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21530] setpgid(0, 0)               = 0
[pid 21530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21530] write(3, "1000", 4)         = 4
[pid 21530] close(3)                    = 0
[pid 21530] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21530] write(1, "executing program\n", 18) = 18
[pid 21530] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21530] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21530] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21530] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21530] exit_group(0)               = ?
[pid 21530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20689", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20689/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20689/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20689")                        = 0
mkdir("./20690", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21531
./strace-static-x86_64: Process 21531 attached
[pid 21531] set_robust_list(0x55558cab0660, 24) = 0
[pid 21531] chdir("./20690")            = 0
[pid 21531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21531] setpgid(0, 0)               = 0
[pid 21531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21531] write(3, "1000", 4)         = 4
[pid 21531] close(3)                    = 0
[pid 21531] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21531] write(1, "executing program\n", 18) = 18
[pid 21531] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21531] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21531] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21531] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21531] exit_group(0)               = ?
[pid 21531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20690", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20690/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20690/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20690")                        = 0
mkdir("./20691", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21532
./strace-static-x86_64: Process 21532 attached
[pid 21532] set_robust_list(0x55558cab0660, 24) = 0
[pid 21532] chdir("./20691")            = 0
[pid 21532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21532] setpgid(0, 0)               = 0
[pid 21532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21532] write(3, "1000", 4)         = 4
[pid 21532] close(3)                    = 0
[pid 21532] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21532] write(1, "executing program\n", 18) = 18
[pid 21532] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21532] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21532] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21532] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21532] exit_group(0)               = ?
[pid 21532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20691", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20691/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20691/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20691")                        = 0
mkdir("./20692", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21533 attached
, child_tidptr=0x55558cab0650) = 21533
[pid 21533] set_robust_list(0x55558cab0660, 24) = 0
[pid 21533] chdir("./20692")            = 0
[pid 21533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21533] setpgid(0, 0)               = 0
[pid 21533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21533] write(3, "1000", 4)         = 4
[pid 21533] close(3)                    = 0
[pid 21533] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21533] write(1, "executing program\n", 18) = 18
[pid 21533] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21533] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21533] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21533] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21533] exit_group(0)               = ?
[pid 21533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20692", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20692/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20692/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20692")                        = 0
mkdir("./20693", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21534
./strace-static-x86_64: Process 21534 attached
[pid 21534] set_robust_list(0x55558cab0660, 24) = 0
[pid 21534] chdir("./20693")            = 0
[pid 21534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21534] setpgid(0, 0)               = 0
[pid 21534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21534] write(3, "1000", 4)         = 4
[pid 21534] close(3)                    = 0
[pid 21534] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21534] write(1, "executing program\n", 18executing program
) = 18
[pid 21534] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21534] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21534] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21534] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21534] exit_group(0)               = ?
[pid 21534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20693", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20693/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20693/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20693")                        = 0
mkdir("./20694", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21535
./strace-static-x86_64: Process 21535 attached
[pid 21535] set_robust_list(0x55558cab0660, 24) = 0
[pid 21535] chdir("./20694")            = 0
[pid 21535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21535] setpgid(0, 0)               = 0
[pid 21535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21535] write(3, "1000", 4)         = 4
[pid 21535] close(3)                    = 0
[pid 21535] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21535] write(1, "executing program\n", 18) = 18
[pid 21535] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21535] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21535] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21535] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21535] exit_group(0)               = ?
[pid 21535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20694", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20694/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20694/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20694")                        = 0
mkdir("./20695", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21536 attached
, child_tidptr=0x55558cab0650) = 21536
[pid 21536] set_robust_list(0x55558cab0660, 24) = 0
[pid 21536] chdir("./20695")            = 0
[pid 21536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21536] setpgid(0, 0)               = 0
[pid 21536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21536] write(3, "1000", 4)         = 4
[pid 21536] close(3)                    = 0
[pid 21536] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21536] write(1, "executing program\n", 18) = 18
[pid 21536] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21536] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21536] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21536] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21536] exit_group(0)               = ?
[pid 21536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20695", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20695/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20695/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20695")                        = 0
mkdir("./20696", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21537
./strace-static-x86_64: Process 21537 attached
[pid 21537] set_robust_list(0x55558cab0660, 24) = 0
[pid 21537] chdir("./20696")            = 0
[pid 21537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21537] setpgid(0, 0)               = 0
[pid 21537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21537] write(3, "1000", 4)         = 4
[pid 21537] close(3)                    = 0
[pid 21537] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21537] write(1, "executing program\n", 18) = 18
[pid 21537] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21537] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21537] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21537] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21537] exit_group(0)               = ?
[pid 21537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20696", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20696/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20696/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20696")                        = 0
mkdir("./20697", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21538 attached
, child_tidptr=0x55558cab0650) = 21538
[pid 21538] set_robust_list(0x55558cab0660, 24) = 0
[pid 21538] chdir("./20697")            = 0
[pid 21538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21538] setpgid(0, 0)               = 0
[pid 21538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21538] write(3, "1000", 4)         = 4
[pid 21538] close(3)                    = 0
[pid 21538] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21538] write(1, "executing program\n", 18) = 18
[pid 21538] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21538] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21538] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21538] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21538] exit_group(0)               = ?
[pid 21538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20697", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20697/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20697/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20697")                        = 0
mkdir("./20698", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21539 attached
, child_tidptr=0x55558cab0650) = 21539
[pid 21539] set_robust_list(0x55558cab0660, 24) = 0
[pid 21539] chdir("./20698")            = 0
[pid 21539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21539] setpgid(0, 0)               = 0
[pid 21539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21539] write(3, "1000", 4)         = 4
[pid 21539] close(3)                    = 0
[pid 21539] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21539] write(1, "executing program\n", 18) = 18
[pid 21539] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21539] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21539] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21539] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21539] exit_group(0)               = ?
[pid 21539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20698", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20698/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20698/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20698")                        = 0
mkdir("./20699", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21540
./strace-static-x86_64: Process 21540 attached
[pid 21540] set_robust_list(0x55558cab0660, 24) = 0
[pid 21540] chdir("./20699")            = 0
[pid 21540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21540] setpgid(0, 0)               = 0
[pid 21540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21540] write(3, "1000", 4)         = 4
[pid 21540] close(3)                    = 0
[pid 21540] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21540] write(1, "executing program\n", 18executing program
) = 18
[pid 21540] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21540] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21540] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21540] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21540] exit_group(0)               = ?
[pid 21540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20699", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20699/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20699/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20699")                        = 0
mkdir("./20700", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21541
./strace-static-x86_64: Process 21541 attached
[pid 21541] set_robust_list(0x55558cab0660, 24) = 0
[pid 21541] chdir("./20700")            = 0
[pid 21541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21541] setpgid(0, 0)               = 0
[pid 21541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21541] write(3, "1000", 4)         = 4
[pid 21541] close(3)                    = 0
[pid 21541] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21541] write(1, "executing program\n", 18) = 18
[pid 21541] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21541] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21541] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21541] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21541] exit_group(0)               = ?
[pid 21541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20700", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20700/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20700/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20700")                        = 0
mkdir("./20701", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21542 attached
, child_tidptr=0x55558cab0650) = 21542
[pid 21542] set_robust_list(0x55558cab0660, 24) = 0
[pid 21542] chdir("./20701")            = 0
[pid 21542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21542] setpgid(0, 0)               = 0
[pid 21542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21542] write(3, "1000", 4)         = 4
[pid 21542] close(3)                    = 0
[pid 21542] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21542] write(1, "executing program\n", 18) = 18
[pid 21542] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21542] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21542] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21542] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21542] exit_group(0)               = ?
[pid 21542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20701", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20701/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20701/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20701")                        = 0
mkdir("./20702", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21543 attached
, child_tidptr=0x55558cab0650) = 21543
[pid 21543] set_robust_list(0x55558cab0660, 24) = 0
[pid 21543] chdir("./20702")            = 0
[pid 21543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21543] setpgid(0, 0)               = 0
[pid 21543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21543] write(3, "1000", 4)         = 4
[pid 21543] close(3)                    = 0
[pid 21543] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21543] write(1, "executing program\n", 18) = 18
[pid 21543] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21543] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21543] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21543] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21543] exit_group(0)               = ?
[pid 21543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20702", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20702/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20702/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20702")                        = 0
mkdir("./20703", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21544
./strace-static-x86_64: Process 21544 attached
[pid 21544] set_robust_list(0x55558cab0660, 24) = 0
[pid 21544] chdir("./20703")            = 0
[pid 21544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21544] setpgid(0, 0)               = 0
[pid 21544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21544] write(3, "1000", 4)         = 4
[pid 21544] close(3)                    = 0
[pid 21544] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21544] write(1, "executing program\n", 18) = 18
[pid 21544] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21544] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21544] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21544] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21544] exit_group(0)               = ?
[pid 21544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20703", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20703/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20703/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20703")                        = 0
mkdir("./20704", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21545
./strace-static-x86_64: Process 21545 attached
[pid 21545] set_robust_list(0x55558cab0660, 24) = 0
[pid 21545] chdir("./20704")            = 0
[pid 21545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21545] setpgid(0, 0)               = 0
[pid 21545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21545] write(3, "1000", 4)         = 4
[pid 21545] close(3)                    = 0
[pid 21545] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21545] write(1, "executing program\n", 18) = 18
[pid 21545] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21545] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21545] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21545] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21545] exit_group(0)               = ?
[pid 21545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20704", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20704/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20704/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20704")                        = 0
mkdir("./20705", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21546 attached
, child_tidptr=0x55558cab0650) = 21546
[pid 21546] set_robust_list(0x55558cab0660, 24) = 0
[pid 21546] chdir("./20705")            = 0
[pid 21546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21546] setpgid(0, 0)               = 0
[pid 21546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21546] write(3, "1000", 4)         = 4
[pid 21546] close(3)                    = 0
[pid 21546] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21546] write(1, "executing program\n", 18) = 18
[pid 21546] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21546] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21546] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21546] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21546] exit_group(0)               = ?
[pid 21546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20705", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20705/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20705/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20705")                        = 0
mkdir("./20706", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21547
./strace-static-x86_64: Process 21547 attached
[pid 21547] set_robust_list(0x55558cab0660, 24) = 0
[pid 21547] chdir("./20706")            = 0
[pid 21547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21547] setpgid(0, 0)               = 0
[pid 21547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21547] write(3, "1000", 4)         = 4
[pid 21547] close(3)                    = 0
[pid 21547] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21547] write(1, "executing program\n", 18) = 18
[pid 21547] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21547] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21547] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21547] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21547] exit_group(0)               = ?
[pid 21547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20706", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20706/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20706/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20706")                        = 0
mkdir("./20707", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21548 attached
, child_tidptr=0x55558cab0650) = 21548
[pid 21548] set_robust_list(0x55558cab0660, 24) = 0
[pid 21548] chdir("./20707")            = 0
[pid 21548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21548] setpgid(0, 0)               = 0
[pid 21548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21548] write(3, "1000", 4)         = 4
[pid 21548] close(3)                    = 0
[pid 21548] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21548] write(1, "executing program\n", 18executing program
) = 18
[pid 21548] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21548] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21548] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21548] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21548] exit_group(0)               = ?
[pid 21548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20707", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20707/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20707/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20707")                        = 0
mkdir("./20708", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21549
./strace-static-x86_64: Process 21549 attached
[pid 21549] set_robust_list(0x55558cab0660, 24) = 0
[pid 21549] chdir("./20708")            = 0
[pid 21549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21549] setpgid(0, 0)               = 0
[pid 21549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21549] write(3, "1000", 4)         = 4
[pid 21549] close(3)                    = 0
[pid 21549] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21549] write(1, "executing program\n", 18) = 18
[pid 21549] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21549] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21549] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21549] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21549] exit_group(0)               = ?
[pid 21549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20708", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20708/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20708/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20708")                        = 0
mkdir("./20709", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21551
./strace-static-x86_64: Process 21551 attached
[pid 21551] set_robust_list(0x55558cab0660, 24) = 0
[pid 21551] chdir("./20709")            = 0
[pid 21551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21551] setpgid(0, 0)               = 0
[pid 21551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21551] write(3, "1000", 4)         = 4
[pid 21551] close(3)                    = 0
[pid 21551] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21551] write(1, "executing program\n", 18) = 18
[pid 21551] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21551] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21551] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21551] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21551] exit_group(0)               = ?
[pid 21551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20709", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20709/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20709/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20709")                        = 0
mkdir("./20710", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21552
./strace-static-x86_64: Process 21552 attached
[pid 21552] set_robust_list(0x55558cab0660, 24) = 0
[pid 21552] chdir("./20710")            = 0
[pid 21552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21552] setpgid(0, 0)               = 0
[pid 21552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21552] write(3, "1000", 4)         = 4
[pid 21552] close(3)                    = 0
[pid 21552] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21552] write(1, "executing program\n", 18) = 18
[pid 21552] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21552] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21552] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21552] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21552] exit_group(0)               = ?
[pid 21552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20710", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20710/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20710/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20710")                        = 0
mkdir("./20711", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21553
./strace-static-x86_64: Process 21553 attached
[pid 21553] set_robust_list(0x55558cab0660, 24) = 0
[pid 21553] chdir("./20711")            = 0
[pid 21553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21553] setpgid(0, 0)               = 0
[pid 21553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21553] write(3, "1000", 4)         = 4
[pid 21553] close(3)                    = 0
[pid 21553] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21553] write(1, "executing program\n", 18) = 18
[pid 21553] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21553] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21553] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21553] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21553] exit_group(0)               = ?
[pid 21553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20711", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20711/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20711/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20711")                        = 0
mkdir("./20712", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21554
./strace-static-x86_64: Process 21554 attached
[pid 21554] set_robust_list(0x55558cab0660, 24) = 0
[pid 21554] chdir("./20712")            = 0
[pid 21554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21554] setpgid(0, 0)               = 0
[pid 21554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21554] write(3, "1000", 4)         = 4
[pid 21554] close(3)                    = 0
[pid 21554] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21554] write(1, "executing program\n", 18) = 18
[pid 21554] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21554] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21554] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21554] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21554] exit_group(0)               = ?
[pid 21554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20712", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20712/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20712/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20712")                        = 0
mkdir("./20713", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21555
./strace-static-x86_64: Process 21555 attached
executing program
[pid 21555] set_robust_list(0x55558cab0660, 24) = 0
[pid 21555] chdir("./20713")            = 0
[pid 21555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21555] setpgid(0, 0)               = 0
[pid 21555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21555] write(3, "1000", 4)         = 4
[pid 21555] close(3)                    = 0
[pid 21555] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21555] write(1, "executing program\n", 18) = 18
[pid 21555] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21555] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21555] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21555] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21555] exit_group(0)               = ?
[pid 21555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20713", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20713/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20713/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20713")                        = 0
mkdir("./20714", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21556
./strace-static-x86_64: Process 21556 attached
[pid 21556] set_robust_list(0x55558cab0660, 24) = 0
[pid 21556] chdir("./20714")            = 0
[pid 21556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21556] setpgid(0, 0)               = 0
[pid 21556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21556] write(3, "1000", 4)         = 4
[pid 21556] close(3)                    = 0
[pid 21556] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21556] write(1, "executing program\n", 18executing program
) = 18
[pid 21556] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21556] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21556] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21556] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21556] exit_group(0)               = ?
[pid 21556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20714", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20714/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20714/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20714")                        = 0
mkdir("./20715", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21557
./strace-static-x86_64: Process 21557 attached
[pid 21557] set_robust_list(0x55558cab0660, 24) = 0
[pid 21557] chdir("./20715")            = 0
[pid 21557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21557] setpgid(0, 0)               = 0
[pid 21557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21557] write(3, "1000", 4)         = 4
[pid 21557] close(3)                    = 0
[pid 21557] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21557] write(1, "executing program\n", 18) = 18
[pid 21557] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21557] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21557] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21557] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21557] exit_group(0)               = ?
[pid 21557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20715", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20715/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20715/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20715")                        = 0
mkdir("./20716", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21558
./strace-static-x86_64: Process 21558 attached
[pid 21558] set_robust_list(0x55558cab0660, 24) = 0
[pid 21558] chdir("./20716")            = 0
[pid 21558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21558] setpgid(0, 0)               = 0
[pid 21558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21558] write(3, "1000", 4)         = 4
[pid 21558] close(3)                    = 0
executing program
[pid 21558] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21558] write(1, "executing program\n", 18) = 18
[pid 21558] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21558] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21558] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21558] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21558] exit_group(0)               = ?
[pid 21558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20716", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20716/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20716/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20716")                        = 0
mkdir("./20717", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21559
./strace-static-x86_64: Process 21559 attached
[pid 21559] set_robust_list(0x55558cab0660, 24) = 0
[pid 21559] chdir("./20717")            = 0
[pid 21559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21559] setpgid(0, 0)               = 0
[pid 21559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21559] write(3, "1000", 4)         = 4
[pid 21559] close(3)                    = 0
[pid 21559] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21559] write(1, "executing program\n", 18) = 18
[pid 21559] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21559] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21559] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21559] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21559] exit_group(0)               = ?
[pid 21559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20717", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20717/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20717/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20717")                        = 0
mkdir("./20718", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21560
./strace-static-x86_64: Process 21560 attached
[pid 21560] set_robust_list(0x55558cab0660, 24) = 0
[pid 21560] chdir("./20718")            = 0
[pid 21560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21560] setpgid(0, 0)               = 0
[pid 21560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21560] write(3, "1000", 4)         = 4
[pid 21560] close(3)                    = 0
[pid 21560] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21560] write(1, "executing program\n", 18) = 18
[pid 21560] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21560] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21560] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21560] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21560] exit_group(0)               = ?
[pid 21560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20718", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20718/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20718/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20718")                        = 0
mkdir("./20719", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21561 attached
, child_tidptr=0x55558cab0650) = 21561
[pid 21561] set_robust_list(0x55558cab0660, 24) = 0
[pid 21561] chdir("./20719")            = 0
[pid 21561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21561] setpgid(0, 0)               = 0
[pid 21561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21561] write(3, "1000", 4)         = 4
[pid 21561] close(3)                    = 0
[pid 21561] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21561] write(1, "executing program\n", 18) = 18
[pid 21561] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21561] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21561] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21561] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21561] exit_group(0)               = ?
[pid 21561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20719", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20719/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20719/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20719")                        = 0
mkdir("./20720", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21562 attached
, child_tidptr=0x55558cab0650) = 21562
[pid 21562] set_robust_list(0x55558cab0660, 24) = 0
[pid 21562] chdir("./20720")            = 0
[pid 21562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21562] setpgid(0, 0)               = 0
[pid 21562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21562] write(3, "1000", 4)         = 4
[pid 21562] close(3)                    = 0
[pid 21562] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21562] write(1, "executing program\n", 18) = 18
[pid 21562] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21562] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21562] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21562] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21562] exit_group(0)               = ?
[pid 21562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20720", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20720/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20720/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20720")                        = 0
mkdir("./20721", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21563
./strace-static-x86_64: Process 21563 attached
[pid 21563] set_robust_list(0x55558cab0660, 24) = 0
[pid 21563] chdir("./20721")            = 0
[pid 21563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21563] setpgid(0, 0)               = 0
[pid 21563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21563] write(3, "1000", 4)         = 4
[pid 21563] close(3)                    = 0
[pid 21563] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21563] write(1, "executing program\n", 18) = 18
[pid 21563] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21563] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21563] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21563] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21563] exit_group(0)               = ?
[pid 21563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20721", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20721/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20721/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20721")                        = 0
mkdir("./20722", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21564 attached
, child_tidptr=0x55558cab0650) = 21564
[pid 21564] set_robust_list(0x55558cab0660, 24) = 0
[pid 21564] chdir("./20722")            = 0
[pid 21564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21564] setpgid(0, 0)               = 0
[pid 21564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21564] write(3, "1000", 4)         = 4
[pid 21564] close(3)                    = 0
[pid 21564] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21564] write(1, "executing program\n", 18) = 18
[pid 21564] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21564] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21564] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21564] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21564] exit_group(0)               = ?
[pid 21564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20722", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20722/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20722/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20722")                        = 0
mkdir("./20723", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21565 attached
, child_tidptr=0x55558cab0650) = 21565
[pid 21565] set_robust_list(0x55558cab0660, 24) = 0
[pid 21565] chdir("./20723")            = 0
[pid 21565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21565] setpgid(0, 0)               = 0
[pid 21565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21565] write(3, "1000", 4)         = 4
[pid 21565] close(3)                    = 0
[pid 21565] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21565] write(1, "executing program\n", 18) = 18
[pid 21565] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21565] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21565] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21565] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21565] exit_group(0)               = ?
[pid 21565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20723", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20723/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20723/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20723")                        = 0
mkdir("./20724", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 21566 attached
, child_tidptr=0x55558cab0650) = 21566
[pid 21566] set_robust_list(0x55558cab0660, 24) = 0
[pid 21566] chdir("./20724")            = 0
[pid 21566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21566] setpgid(0, 0)               = 0
[pid 21566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21566] write(3, "1000", 4)         = 4
[pid 21566] close(3)                    = 0
[pid 21566] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21566] write(1, "executing program\n", 18) = 18
[pid 21566] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21566] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21566] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21566] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21566] exit_group(0)               = ?
[pid 21566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20724", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20724/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20724")                        = 0
mkdir("./20725", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21567 attached
, child_tidptr=0x55558cab0650) = 21567
[pid 21567] set_robust_list(0x55558cab0660, 24) = 0
[pid 21567] chdir("./20725")            = 0
[pid 21567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21567] setpgid(0, 0)               = 0
[pid 21567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21567] write(3, "1000", 4)         = 4
[pid 21567] close(3)                    = 0
[pid 21567] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21567] write(1, "executing program\n", 18executing program
) = 18
[pid 21567] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21567] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21567] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21567] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21567] exit_group(0)               = ?
[pid 21567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20725", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20725/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20725/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20725")                        = 0
mkdir("./20726", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21568 attached
, child_tidptr=0x55558cab0650) = 21568
[pid 21568] set_robust_list(0x55558cab0660, 24) = 0
[pid 21568] chdir("./20726")            = 0
[pid 21568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21568] setpgid(0, 0)               = 0
[pid 21568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21568] write(3, "1000", 4)         = 4
[pid 21568] close(3)                    = 0
[pid 21568] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21568] write(1, "executing program\n", 18executing program
) = 18
[pid 21568] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21568] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21568] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21568] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21568] exit_group(0)               = ?
[pid 21568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20726", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20726/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20726/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20726")                        = 0
mkdir("./20727", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21569 attached
, child_tidptr=0x55558cab0650) = 21569
[pid 21569] set_robust_list(0x55558cab0660, 24) = 0
[pid 21569] chdir("./20727")            = 0
[pid 21569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21569] setpgid(0, 0)               = 0
[pid 21569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21569] write(3, "1000", 4)         = 4
[pid 21569] close(3)                    = 0
[pid 21569] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21569] write(1, "executing program\n", 18executing program
) = 18
[pid 21569] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21569] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21569] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21569] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21569] exit_group(0)               = ?
[pid 21569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20727", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20727/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20727/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20727")                        = 0
mkdir("./20728", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21570
./strace-static-x86_64: Process 21570 attached
[pid 21570] set_robust_list(0x55558cab0660, 24) = 0
[pid 21570] chdir("./20728")            = 0
[pid 21570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21570] setpgid(0, 0)               = 0
[pid 21570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21570] write(3, "1000", 4)         = 4
[pid 21570] close(3)                    = 0
[pid 21570] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21570] write(1, "executing program\n", 18executing program
) = 18
[pid 21570] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21570] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21570] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21570] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21570] exit_group(0)               = ?
[pid 21570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20728", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20728/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20728/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20728")                        = 0
mkdir("./20729", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21571
./strace-static-x86_64: Process 21571 attached
[pid 21571] set_robust_list(0x55558cab0660, 24) = 0
[pid 21571] chdir("./20729")            = 0
[pid 21571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21571] setpgid(0, 0)               = 0
[pid 21571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21571] write(3, "1000", 4)         = 4
[pid 21571] close(3)                    = 0
[pid 21571] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21571] write(1, "executing program\n", 18) = 18
[pid 21571] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21571] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21571] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21571] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21571] exit_group(0)               = ?
[pid 21571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20729", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20729/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20729/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20729")                        = 0
mkdir("./20730", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21572 attached
, child_tidptr=0x55558cab0650) = 21572
[pid 21572] set_robust_list(0x55558cab0660, 24) = 0
[pid 21572] chdir("./20730")            = 0
[pid 21572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21572] setpgid(0, 0executing program
)               = 0
[pid 21572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21572] write(3, "1000", 4)         = 4
[pid 21572] close(3)                    = 0
[pid 21572] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21572] write(1, "executing program\n", 18) = 18
[pid 21572] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21572] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21572] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21572] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21572] exit_group(0)               = ?
[pid 21572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20730", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20730/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20730/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20730")                        = 0
mkdir("./20731", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21573
./strace-static-x86_64: Process 21573 attached
[pid 21573] set_robust_list(0x55558cab0660, 24) = 0
[pid 21573] chdir("./20731")            = 0
[pid 21573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21573] setpgid(0, 0)               = 0
[pid 21573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21573] write(3, "1000", 4)         = 4
[pid 21573] close(3)                    = 0
[pid 21573] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21573] write(1, "executing program\n", 18) = 18
[pid 21573] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21573] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21573] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21573] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21573] exit_group(0)               = ?
[pid 21573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20731", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20731/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20731")                        = 0
mkdir("./20732", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21574 attached
, child_tidptr=0x55558cab0650) = 21574
[pid 21574] set_robust_list(0x55558cab0660, 24) = 0
[pid 21574] chdir("./20732")            = 0
[pid 21574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21574] setpgid(0, 0)               = 0
[pid 21574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21574] write(3, "1000", 4)         = 4
[pid 21574] close(3)                    = 0
[pid 21574] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21574] write(1, "executing program\n", 18executing program
) = 18
[pid 21574] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21574] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21574] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21574] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21574] exit_group(0)               = ?
[pid 21574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20732", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20732/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20732/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20732")                        = 0
mkdir("./20733", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21575
./strace-static-x86_64: Process 21575 attached
[pid 21575] set_robust_list(0x55558cab0660, 24) = 0
[pid 21575] chdir("./20733")            = 0
[pid 21575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21575] setpgid(0, 0)               = 0
[pid 21575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21575] write(3, "1000", 4)         = 4
[pid 21575] close(3)                    = 0
[pid 21575] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21575] write(1, "executing program\n", 18) = 18
[pid 21575] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21575] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21575] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21575] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21575] exit_group(0)               = ?
[pid 21575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20733", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20733/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20733/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20733")                        = 0
mkdir("./20734", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21576 attached
, child_tidptr=0x55558cab0650) = 21576
[pid 21576] set_robust_list(0x55558cab0660, 24) = 0
[pid 21576] chdir("./20734")            = 0
[pid 21576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21576] setpgid(0, 0)               = 0
[pid 21576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21576] write(3, "1000", 4)         = 4
[pid 21576] close(3)                    = 0
[pid 21576] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21576] write(1, "executing program\n", 18executing program
) = 18
[pid 21576] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21576] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21576] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21576] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21576] exit_group(0)               = ?
[pid 21576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20734", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20734/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20734/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20734")                        = 0
mkdir("./20735", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21577
./strace-static-x86_64: Process 21577 attached
[pid 21577] set_robust_list(0x55558cab0660, 24) = 0
[pid 21577] chdir("./20735")            = 0
[pid 21577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21577] setpgid(0, 0)               = 0
[pid 21577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21577] write(3, "1000", 4)         = 4
[pid 21577] close(3)                    = 0
[pid 21577] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21577] write(1, "executing program\n", 18) = 18
[pid 21577] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21577] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21577] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21577] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21577] exit_group(0)               = ?
[pid 21577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20735", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20735/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20735/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20735")                        = 0
mkdir("./20736", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21578 attached
, child_tidptr=0x55558cab0650) = 21578
[pid 21578] set_robust_list(0x55558cab0660, 24) = 0
[pid 21578] chdir("./20736")            = 0
[pid 21578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21578] setpgid(0, 0)               = 0
[pid 21578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21578] write(3, "1000", 4)         = 4
[pid 21578] close(3)                    = 0
[pid 21578] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21578] write(1, "executing program\n", 18) = 18
[pid 21578] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21578] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21578] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21578] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21578] exit_group(0)               = ?
[pid 21578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20736", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20736/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20736/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20736")                        = 0
mkdir("./20737", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21579 attached
, child_tidptr=0x55558cab0650) = 21579
[pid 21579] set_robust_list(0x55558cab0660, 24) = 0
[pid 21579] chdir("./20737")            = 0
[pid 21579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21579] setpgid(0, 0)               = 0
[pid 21579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21579] write(3, "1000", 4)         = 4
[pid 21579] close(3)                    = 0
[pid 21579] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21579] write(1, "executing program\n", 18) = 18
[pid 21579] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21579] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21579] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21579] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21579] exit_group(0)               = ?
[pid 21579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20737", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20737/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20737/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20737")                        = 0
mkdir("./20738", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21580
./strace-static-x86_64: Process 21580 attached
[pid 21580] set_robust_list(0x55558cab0660, 24) = 0
[pid 21580] chdir("./20738")            = 0
[pid 21580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21580] setpgid(0, 0)               = 0
[pid 21580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21580] write(3, "1000", 4)         = 4
[pid 21580] close(3)                    = 0
[pid 21580] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21580] write(1, "executing program\n", 18) = 18
[pid 21580] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21580] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21580] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21580] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21580] exit_group(0)               = ?
[pid 21580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20738", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20738/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20738/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20738")                        = 0
mkdir("./20739", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21581
./strace-static-x86_64: Process 21581 attached
[pid 21581] set_robust_list(0x55558cab0660, 24) = 0
[pid 21581] chdir("./20739")            = 0
[pid 21581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21581] setpgid(0, 0)               = 0
[pid 21581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21581] write(3, "1000", 4)         = 4
[pid 21581] close(3)                    = 0
[pid 21581] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21581] write(1, "executing program\n", 18) = 18
[pid 21581] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21581] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21581] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21581] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21581] exit_group(0)               = ?
[pid 21581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20739", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20739/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20739/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20739")                        = 0
mkdir("./20740", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21582
./strace-static-x86_64: Process 21582 attached
[pid 21582] set_robust_list(0x55558cab0660, 24) = 0
[pid 21582] chdir("./20740")            = 0
[pid 21582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21582] setpgid(0, 0)               = 0
[pid 21582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21582] write(3, "1000", 4)         = 4
[pid 21582] close(3)                    = 0
[pid 21582] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21582] write(1, "executing program\n", 18) = 18
[pid 21582] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21582] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21582] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21582] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21582] exit_group(0)               = ?
[pid 21582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20740", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20740/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20740/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20740")                        = 0
mkdir("./20741", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21583
./strace-static-x86_64: Process 21583 attached
[pid 21583] set_robust_list(0x55558cab0660, 24) = 0
[pid 21583] chdir("./20741")            = 0
[pid 21583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21583] setpgid(0, 0)               = 0
[pid 21583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21583] write(3, "1000", 4)         = 4
[pid 21583] close(3)                    = 0
[pid 21583] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21583] write(1, "executing program\n", 18executing program
) = 18
[pid 21583] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21583] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21583] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21583] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21583] exit_group(0)               = ?
[pid 21583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20741", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20741/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20741/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20741")                        = 0
mkdir("./20742", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21584
./strace-static-x86_64: Process 21584 attached
[pid 21584] set_robust_list(0x55558cab0660, 24) = 0
[pid 21584] chdir("./20742")            = 0
[pid 21584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21584] setpgid(0, 0)               = 0
[pid 21584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21584] write(3, "1000", 4)         = 4
[pid 21584] close(3)                    = 0
[pid 21584] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21584] write(1, "executing program\n", 18executing program
) = 18
[pid 21584] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21584] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21584] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21584] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21584] exit_group(0)               = ?
[pid 21584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20742", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20742/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20742/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20742")                        = 0
mkdir("./20743", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21585
./strace-static-x86_64: Process 21585 attached
[pid 21585] set_robust_list(0x55558cab0660, 24) = 0
[pid 21585] chdir("./20743")            = 0
[pid 21585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21585] setpgid(0, 0)               = 0
[pid 21585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21585] write(3, "1000", 4)         = 4
[pid 21585] close(3)                    = 0
[pid 21585] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21585] write(1, "executing program\n", 18executing program
) = 18
[pid 21585] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21585] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21585] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21585] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21585] exit_group(0)               = ?
[pid 21585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20743", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20743/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20743/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20743")                        = 0
mkdir("./20744", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21586
./strace-static-x86_64: Process 21586 attached
[pid 21586] set_robust_list(0x55558cab0660, 24) = 0
[pid 21586] chdir("./20744")            = 0
[pid 21586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21586] setpgid(0, 0)               = 0
[pid 21586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21586] write(3, "1000", 4)         = 4
[pid 21586] close(3)                    = 0
[pid 21586] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21586] write(1, "executing program\n", 18executing program
) = 18
[pid 21586] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21586] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21586] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21586] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21586] exit_group(0)               = ?
[pid 21586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20744", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20744/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20744/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20744")                        = 0
mkdir("./20745", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21587
./strace-static-x86_64: Process 21587 attached
[pid 21587] set_robust_list(0x55558cab0660, 24) = 0
[pid 21587] chdir("./20745")            = 0
[pid 21587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21587] setpgid(0, 0)               = 0
[pid 21587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21587] write(3, "1000", 4)         = 4
[pid 21587] close(3)                    = 0
[pid 21587] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21587] write(1, "executing program\n", 18) = 18
[pid 21587] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21587] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21587] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21587] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21587] exit_group(0)               = ?
[pid 21587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20745", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20745/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20745/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20745")                        = 0
mkdir("./20746", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21588 attached
 <unfinished ...>
[pid 21588] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21588
[pid 21588] chdir("./20746")            = 0
[pid 21588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21588] setpgid(0, 0)               = 0
[pid 21588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21588] write(3, "1000", 4)         = 4
[pid 21588] close(3)                    = 0
[pid 21588] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21588] write(1, "executing program\n", 18) = 18
[pid 21588] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21588] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21588] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21588] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21588] exit_group(0)               = ?
[pid 21588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20746", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20746/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20746/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20746")                        = 0
mkdir("./20747", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21589
./strace-static-x86_64: Process 21589 attached
[pid 21589] set_robust_list(0x55558cab0660, 24) = 0
[pid 21589] chdir("./20747")            = 0
[pid 21589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21589] setpgid(0, 0)               = 0
[pid 21589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21589] write(3, "1000", 4)         = 4
[pid 21589] close(3)                    = 0
[pid 21589] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21589] write(1, "executing program\n", 18) = 18
[pid 21589] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21589] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21589] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21589] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21589] exit_group(0)               = ?
[pid 21589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20747", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20747/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20747/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20747")                        = 0
mkdir("./20748", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21590 attached
, child_tidptr=0x55558cab0650) = 21590
[pid 21590] set_robust_list(0x55558cab0660, 24) = 0
[pid 21590] chdir("./20748")            = 0
[pid 21590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21590] setpgid(0, 0)               = 0
[pid 21590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21590] write(3, "1000", 4executing program
)         = 4
[pid 21590] close(3)                    = 0
[pid 21590] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21590] write(1, "executing program\n", 18) = 18
[pid 21590] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21590] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21590] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21590] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21590] exit_group(0)               = ?
[pid 21590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20748", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20748/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20748/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20748")                        = 0
mkdir("./20749", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21591 attached
, child_tidptr=0x55558cab0650) = 21591
[pid 21591] set_robust_list(0x55558cab0660, 24) = 0
[pid 21591] chdir("./20749")            = 0
[pid 21591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21591] setpgid(0, 0)               = 0
[pid 21591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21591] write(3, "1000", 4)         = 4
[pid 21591] close(3)                    = 0
[pid 21591] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21591] write(1, "executing program\n", 18) = 18
[pid 21591] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21591] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21591] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21591] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21591] exit_group(0)               = ?
[pid 21591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20749", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20749/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20749/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20749")                        = 0
mkdir("./20750", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21592
./strace-static-x86_64: Process 21592 attached
[pid 21592] set_robust_list(0x55558cab0660, 24) = 0
[pid 21592] chdir("./20750")            = 0
[pid 21592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21592] setpgid(0, 0)               = 0
[pid 21592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21592] write(3, "1000", 4)         = 4
[pid 21592] close(3)                    = 0
[pid 21592] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21592] write(1, "executing program\n", 18) = 18
[pid 21592] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21592] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21592] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21592] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21592] exit_group(0)               = ?
[pid 21592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20750", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20750/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20750/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20750")                        = 0
mkdir("./20751", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21593 attached
, child_tidptr=0x55558cab0650) = 21593
[pid 21593] set_robust_list(0x55558cab0660, 24) = 0
[pid 21593] chdir("./20751")            = 0
[pid 21593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21593] setpgid(0, 0)               = 0
[pid 21593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21593] write(3, "1000", 4)         = 4
[pid 21593] close(3)                    = 0
executing program
[pid 21593] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21593] write(1, "executing program\n", 18) = 18
[pid 21593] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21593] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21593] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21593] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21593] exit_group(0)               = ?
[pid 21593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20751", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20751/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20751/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20751")                        = 0
mkdir("./20752", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21594
./strace-static-x86_64: Process 21594 attached
[pid 21594] set_robust_list(0x55558cab0660, 24) = 0
[pid 21594] chdir("./20752")            = 0
[pid 21594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21594] setpgid(0, 0)               = 0
[pid 21594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21594] write(3, "1000", 4)         = 4
[pid 21594] close(3)                    = 0
[pid 21594] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21594] write(1, "executing program\n", 18) = 18
[pid 21594] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21594] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21594] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21594] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21594] exit_group(0)               = ?
[pid 21594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20752", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20752/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20752/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20752")                        = 0
mkdir("./20753", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21595 attached
, child_tidptr=0x55558cab0650) = 21595
[pid 21595] set_robust_list(0x55558cab0660, 24) = 0
[pid 21595] chdir("./20753")            = 0
[pid 21595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21595] setpgid(0, 0)               = 0
[pid 21595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21595] write(3, "1000", 4)         = 4
[pid 21595] close(3)                    = 0
[pid 21595] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21595] write(1, "executing program\n", 18) = 18
[pid 21595] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21595] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21595] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21595] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21595] exit_group(0)               = ?
[pid 21595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20753", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20753/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20753/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20753")                        = 0
mkdir("./20754", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21596
./strace-static-x86_64: Process 21596 attached
[pid 21596] set_robust_list(0x55558cab0660, 24) = 0
[pid 21596] chdir("./20754")            = 0
[pid 21596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21596] setpgid(0, 0)               = 0
[pid 21596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21596] write(3, "1000", 4)         = 4
[pid 21596] close(3)                    = 0
[pid 21596] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21596] write(1, "executing program\n", 18) = 18
[pid 21596] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21596] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21596] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21596] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21596] exit_group(0)               = ?
[pid 21596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20754", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20754/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20754/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20754")                        = 0
mkdir("./20755", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21597
./strace-static-x86_64: Process 21597 attached
[pid 21597] set_robust_list(0x55558cab0660, 24) = 0
[pid 21597] chdir("./20755")            = 0
[pid 21597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21597] setpgid(0, 0)               = 0
[pid 21597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21597] write(3, "1000", 4)         = 4
[pid 21597] close(3)                    = 0
[pid 21597] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21597] write(1, "executing program\n", 18executing program
) = 18
[pid 21597] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21597] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21597] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21597] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21597] exit_group(0)               = ?
[pid 21597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20755", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20755/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20755/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20755")                        = 0
mkdir("./20756", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21598 attached
, child_tidptr=0x55558cab0650) = 21598
[pid 21598] set_robust_list(0x55558cab0660, 24) = 0
[pid 21598] chdir("./20756")            = 0
[pid 21598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21598] setpgid(0, 0)               = 0
[pid 21598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21598] write(3, "1000", 4)         = 4
[pid 21598] close(3)                    = 0
[pid 21598] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21598] write(1, "executing program\n", 18) = 18
[pid 21598] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21598] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21598] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21598] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21598] exit_group(0)               = ?
[pid 21598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20756", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20756/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20756/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20756")                        = 0
mkdir("./20757", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21599
./strace-static-x86_64: Process 21599 attached
[pid 21599] set_robust_list(0x55558cab0660, 24) = 0
[pid 21599] chdir("./20757")            = 0
[pid 21599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21599] setpgid(0, 0)               = 0
[pid 21599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21599] write(3, "1000", 4)         = 4
[pid 21599] close(3)                    = 0
[pid 21599] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21599] write(1, "executing program\n", 18) = 18
[pid 21599] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21599] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21599] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21599] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21599] exit_group(0)               = ?
[pid 21599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20757", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20757/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20757/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20757")                        = 0
mkdir("./20758", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21600 attached
, child_tidptr=0x55558cab0650) = 21600
[pid 21600] set_robust_list(0x55558cab0660, 24) = 0
[pid 21600] chdir("./20758")            = 0
[pid 21600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21600] setpgid(0, 0)               = 0
[pid 21600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21600] write(3, "1000", 4)         = 4
[pid 21600] close(3)                    = 0
[pid 21600] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21600] write(1, "executing program\n", 18) = 18
[pid 21600] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21600] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21600] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21600] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21600] exit_group(0)               = ?
[pid 21600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20758", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20758/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20758/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20758")                        = 0
mkdir("./20759", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21601
./strace-static-x86_64: Process 21601 attached
[pid 21601] set_robust_list(0x55558cab0660, 24) = 0
[pid 21601] chdir("./20759")            = 0
[pid 21601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21601] setpgid(0, 0)               = 0
[pid 21601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21601] write(3, "1000", 4)         = 4
[pid 21601] close(3)                    = 0
[pid 21601] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21601] write(1, "executing program\n", 18executing program
) = 18
[pid 21601] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21601] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21601] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21601] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21601] exit_group(0)               = ?
[pid 21601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20759", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20759/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20759/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20759")                        = 0
mkdir("./20760", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21602
./strace-static-x86_64: Process 21602 attached
[pid 21602] set_robust_list(0x55558cab0660, 24) = 0
[pid 21602] chdir("./20760")            = 0
[pid 21602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21602] setpgid(0, 0)               = 0
[pid 21602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21602] write(3, "1000", 4)         = 4
[pid 21602] close(3)                    = 0
[pid 21602] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21602] write(1, "executing program\n", 18) = 18
[pid 21602] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21602] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21602] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21602] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21602] exit_group(0)               = ?
[pid 21602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20760", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20760/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20760/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20760")                        = 0
mkdir("./20761", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21603
./strace-static-x86_64: Process 21603 attached
[pid 21603] set_robust_list(0x55558cab0660, 24) = 0
[pid 21603] chdir("./20761")            = 0
[pid 21603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21603] setpgid(0, 0)               = 0
[pid 21603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21603] write(3, "1000", 4)         = 4
[pid 21603] close(3)                    = 0
[pid 21603] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21603] write(1, "executing program\n", 18) = 18
executing program
[pid 21603] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21603] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21603] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21603] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21603] exit_group(0)               = ?
[pid 21603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20761", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20761/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20761/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20761")                        = 0
mkdir("./20762", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21604 attached
, child_tidptr=0x55558cab0650) = 21604
[pid 21604] set_robust_list(0x55558cab0660, 24) = 0
[pid 21604] chdir("./20762")            = 0
[pid 21604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21604] setpgid(0, 0)               = 0
[pid 21604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21604] write(3, "1000", 4)         = 4
[pid 21604] close(3)                    = 0
[pid 21604] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21604] write(1, "executing program\n", 18) = 18
[pid 21604] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21604] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21604] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21604] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21604] exit_group(0)               = ?
[pid 21604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20762", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20762/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20762/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20762")                        = 0
mkdir("./20763", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21605 attached
, child_tidptr=0x55558cab0650) = 21605
[pid 21605] set_robust_list(0x55558cab0660, 24) = 0
[pid 21605] chdir("./20763")            = 0
[pid 21605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21605] setpgid(0, 0)               = 0
[pid 21605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21605] write(3, "1000", 4)         = 4
[pid 21605] close(3)                    = 0
[pid 21605] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21605] write(1, "executing program\n", 18) = 18
[pid 21605] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21605] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21605] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21605] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21605] exit_group(0)               = ?
[pid 21605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20763", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20763/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20763/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20763")                        = 0
mkdir("./20764", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21606 attached
, child_tidptr=0x55558cab0650) = 21606
[pid 21606] set_robust_list(0x55558cab0660, 24) = 0
[pid 21606] chdir("./20764")            = 0
[pid 21606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21606] setpgid(0, 0)               = 0
[pid 21606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21606] write(3, "1000", 4)         = 4
[pid 21606] close(3)                    = 0
[pid 21606] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21606] write(1, "executing program\n", 18executing program
) = 18
[pid 21606] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21606] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21606] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21606] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21606] exit_group(0)               = ?
[pid 21606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20764", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20764/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20764/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20764")                        = 0
mkdir("./20765", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21607
./strace-static-x86_64: Process 21607 attached
[pid 21607] set_robust_list(0x55558cab0660, 24) = 0
[pid 21607] chdir("./20765")            = 0
[pid 21607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21607] setpgid(0, 0)               = 0
[pid 21607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21607] write(3, "1000", 4)         = 4
[pid 21607] close(3)                    = 0
[pid 21607] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21607] write(1, "executing program\n", 18) = 18
[pid 21607] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21607] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21607] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21607] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21607] exit_group(0)               = ?
[pid 21607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20765", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20765/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20765/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20765")                        = 0
mkdir("./20766", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21608
./strace-static-x86_64: Process 21608 attached
[pid 21608] set_robust_list(0x55558cab0660, 24) = 0
[pid 21608] chdir("./20766")            = 0
[pid 21608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21608] setpgid(0, 0)               = 0
[pid 21608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21608] write(3, "1000", 4)         = 4
[pid 21608] close(3)                    = 0
[pid 21608] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21608] write(1, "executing program\n", 18) = 18
[pid 21608] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21608] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21608] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21608] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21608] exit_group(0)               = ?
[pid 21608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20766", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20766/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20766/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20766")                        = 0
mkdir("./20767", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21609 attached
, child_tidptr=0x55558cab0650) = 21609
[pid 21609] set_robust_list(0x55558cab0660, 24) = 0
[pid 21609] chdir("./20767")            = 0
[pid 21609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21609] setpgid(0, 0)               = 0
[pid 21609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21609] write(3, "1000", 4)         = 4
[pid 21609] close(3)                    = 0
[pid 21609] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21609] write(1, "executing program\n", 18) = 18
[pid 21609] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21609] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21609] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21609] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21609] exit_group(0)               = ?
[pid 21609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20767", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20767/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20767/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20767")                        = 0
mkdir("./20768", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21610
./strace-static-x86_64: Process 21610 attached
[pid 21610] set_robust_list(0x55558cab0660, 24) = 0
[pid 21610] chdir("./20768")            = 0
[pid 21610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21610] setpgid(0, 0)               = 0
[pid 21610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21610] write(3, "1000", 4)         = 4
[pid 21610] close(3)                    = 0
[pid 21610] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21610] write(1, "executing program\n", 18executing program
) = 18
[pid 21610] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21610] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21610] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21610] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21610] exit_group(0)               = ?
[pid 21610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20768", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20768/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20768/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20768")                        = 0
mkdir("./20769", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21611
./strace-static-x86_64: Process 21611 attached
[pid 21611] set_robust_list(0x55558cab0660, 24) = 0
[pid 21611] chdir("./20769")            = 0
[pid 21611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21611] setpgid(0, 0)               = 0
[pid 21611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21611] write(3, "1000", 4)         = 4
[pid 21611] close(3)                    = 0
[pid 21611] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21611] write(1, "executing program\n", 18executing program
) = 18
[pid 21611] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21611] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21611] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21611] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21611] exit_group(0)               = ?
[pid 21611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21611, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20769", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20769/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20769/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20769")                        = 0
mkdir("./20770", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21612 attached
, child_tidptr=0x55558cab0650) = 21612
[pid 21612] set_robust_list(0x55558cab0660, 24) = 0
[pid 21612] chdir("./20770")            = 0
[pid 21612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21612] setpgid(0, 0)               = 0
[pid 21612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21612] write(3, "1000", 4)         = 4
[pid 21612] close(3)                    = 0
[pid 21612] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21612] write(1, "executing program\n", 18executing program
) = 18
[pid 21612] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21612] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21612] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21612] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21612] exit_group(0)               = ?
[pid 21612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20770", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20770/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20770/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20770")                        = 0
mkdir("./20771", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21613
./strace-static-x86_64: Process 21613 attached
[pid 21613] set_robust_list(0x55558cab0660, 24) = 0
[pid 21613] chdir("./20771")            = 0
[pid 21613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21613] setpgid(0, 0)               = 0
[pid 21613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21613] write(3, "1000", 4)         = 4
[pid 21613] close(3)                    = 0
[pid 21613] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21613] write(1, "executing program\n", 18) = 18
[pid 21613] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21613] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21613] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21613] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21613] exit_group(0)               = ?
[pid 21613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20771", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20771/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20771/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20771")                        = 0
mkdir("./20772", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21614 attached
, child_tidptr=0x55558cab0650) = 21614
[pid 21614] set_robust_list(0x55558cab0660, 24) = 0
[pid 21614] chdir("./20772")            = 0
[pid 21614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21614] setpgid(0, 0)               = 0
[pid 21614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21614] write(3, "1000", 4)         = 4
[pid 21614] close(3)                    = 0
[pid 21614] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21614] write(1, "executing program\n", 18) = 18
[pid 21614] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21614] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21614] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21614] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21614] exit_group(0)               = ?
[pid 21614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20772", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20772/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20772/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20772")                        = 0
mkdir("./20773", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21615 attached
, child_tidptr=0x55558cab0650) = 21615
[pid 21615] set_robust_list(0x55558cab0660, 24) = 0
[pid 21615] chdir("./20773")            = 0
[pid 21615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21615] setpgid(0, 0)               = 0
[pid 21615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21615] write(3, "1000", 4)         = 4
[pid 21615] close(3)                    = 0
[pid 21615] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21615] write(1, "executing program\n", 18) = 18
[pid 21615] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21615] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21615] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21615] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21615] exit_group(0)               = ?
[pid 21615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20773", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20773/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20773/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20773")                        = 0
mkdir("./20774", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21616 attached
, child_tidptr=0x55558cab0650) = 21616
[pid 21616] set_robust_list(0x55558cab0660, 24) = 0
[pid 21616] chdir("./20774")            = 0
[pid 21616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21616] setpgid(0, 0)               = 0
[pid 21616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21616] write(3, "1000", 4)         = 4
[pid 21616] close(3)                    = 0
[pid 21616] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21616] write(1, "executing program\n", 18) = 18
[pid 21616] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21616] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21616] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21616] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21616] exit_group(0)               = ?
[pid 21616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20774", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20774/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20774/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20774")                        = 0
mkdir("./20775", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21617
./strace-static-x86_64: Process 21617 attached
[pid 21617] set_robust_list(0x55558cab0660, 24) = 0
[pid 21617] chdir("./20775")            = 0
[pid 21617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21617] setpgid(0, 0)               = 0
[pid 21617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21617] write(3, "1000", 4)         = 4
[pid 21617] close(3)                    = 0
[pid 21617] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21617] write(1, "executing program\n", 18) = 18
[pid 21617] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21617] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21617] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21617] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21617] exit_group(0)               = ?
[pid 21617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20775", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20775/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20775/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20775")                        = 0
mkdir("./20776", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21618
./strace-static-x86_64: Process 21618 attached
[pid 21618] set_robust_list(0x55558cab0660, 24) = 0
[pid 21618] chdir("./20776")            = 0
[pid 21618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21618] setpgid(0, 0)               = 0
[pid 21618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21618] write(3, "1000", 4)         = 4
[pid 21618] close(3)                    = 0
[pid 21618] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21618] write(1, "executing program\n", 18) = 18
[pid 21618] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21618] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21618] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21618] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21618] exit_group(0)               = ?
[pid 21618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20776", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20776/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20776/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20776")                        = 0
mkdir("./20777", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21619 attached
, child_tidptr=0x55558cab0650) = 21619
[pid 21619] set_robust_list(0x55558cab0660, 24) = 0
[pid 21619] chdir("./20777")            = 0
[pid 21619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21619] setpgid(0, 0)               = 0
[pid 21619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21619] write(3, "1000", 4)         = 4
[pid 21619] close(3)                    = 0
[pid 21619] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21619] write(1, "executing program\n", 18) = 18
[pid 21619] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21619] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21619] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21619] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21619] exit_group(0)               = ?
[pid 21619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20777", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20777/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20777/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20777")                        = 0
mkdir("./20778", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21620
./strace-static-x86_64: Process 21620 attached
[pid 21620] set_robust_list(0x55558cab0660, 24) = 0
[pid 21620] chdir("./20778")            = 0
[pid 21620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21620] setpgid(0, 0)               = 0
[pid 21620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21620] write(3, "1000", 4)         = 4
[pid 21620] close(3)                    = 0
[pid 21620] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21620] write(1, "executing program\n", 18executing program
) = 18
[pid 21620] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21620] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21620] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21620] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21620] exit_group(0)               = ?
[pid 21620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20778", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20778/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20778/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20778")                        = 0
mkdir("./20779", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21621 attached
, child_tidptr=0x55558cab0650) = 21621
[pid 21621] set_robust_list(0x55558cab0660, 24) = 0
[pid 21621] chdir("./20779")            = 0
[pid 21621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21621] setpgid(0, 0)               = 0
[pid 21621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21621] write(3, "1000", 4)         = 4
[pid 21621] close(3)                    = 0
[pid 21621] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21621] write(1, "executing program\n", 18executing program
) = 18
[pid 21621] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21621] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21621] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21621] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21621] exit_group(0)               = ?
[pid 21621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20779", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20779/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20779/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20779")                        = 0
mkdir("./20780", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21622
./strace-static-x86_64: Process 21622 attached
[pid 21622] set_robust_list(0x55558cab0660, 24) = 0
[pid 21622] chdir("./20780")            = 0
[pid 21622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21622] setpgid(0, 0)               = 0
[pid 21622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21622] write(3, "1000", 4)         = 4
[pid 21622] close(3)                    = 0
[pid 21622] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21622] write(1, "executing program\n", 18) = 18
[pid 21622] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21622] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21622] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21622] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21622] exit_group(0)               = ?
[pid 21622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20780", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20780/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20780/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20780")                        = 0
mkdir("./20781", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21623 attached
, child_tidptr=0x55558cab0650) = 21623
[pid 21623] set_robust_list(0x55558cab0660, 24) = 0
[pid 21623] chdir("./20781")            = 0
[pid 21623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21623] setpgid(0, 0)               = 0
[pid 21623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21623] write(3, "1000", 4)         = 4
[pid 21623] close(3)                    = 0
[pid 21623] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21623] write(1, "executing program\n", 18) = 18
[pid 21623] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21623] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21623] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21623] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21623] exit_group(0)               = ?
[pid 21623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20781", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20781/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20781/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20781")                        = 0
mkdir("./20782", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21624 attached
, child_tidptr=0x55558cab0650) = 21624
[pid 21624] set_robust_list(0x55558cab0660, 24) = 0
[pid 21624] chdir("./20782")            = 0
[pid 21624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21624] setpgid(0, 0)               = 0
[pid 21624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21624] write(3, "1000", 4)         = 4
[pid 21624] close(3)                    = 0
[pid 21624] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21624] write(1, "executing program\n", 18executing program
) = 18
[pid 21624] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21624] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21624] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21624] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21624] exit_group(0)               = ?
[pid 21624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20782", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20782/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20782/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20782")                        = 0
mkdir("./20783", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21626
./strace-static-x86_64: Process 21626 attached
[pid 21626] set_robust_list(0x55558cab0660, 24) = 0
[pid 21626] chdir("./20783")            = 0
[pid 21626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21626] setpgid(0, 0)               = 0
[pid 21626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21626] write(3, "1000", 4)         = 4
[pid 21626] close(3)                    = 0
[pid 21626] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21626] write(1, "executing program\n", 18executing program
) = 18
[pid 21626] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21626] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21626] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21626] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21626] exit_group(0)               = ?
[pid 21626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20783", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20783/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20783/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20783")                        = 0
mkdir("./20784", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21627
./strace-static-x86_64: Process 21627 attached
[pid 21627] set_robust_list(0x55558cab0660, 24) = 0
[pid 21627] chdir("./20784")            = 0
[pid 21627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21627] setpgid(0, 0)               = 0
[pid 21627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21627] write(3, "1000", 4)         = 4
[pid 21627] close(3)                    = 0
[pid 21627] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21627] write(1, "executing program\n", 18executing program
) = 18
[pid 21627] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21627] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21627] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21627] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21627] exit_group(0)               = ?
[pid 21627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20784", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20784/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20784/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20784")                        = 0
mkdir("./20785", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21628 attached
, child_tidptr=0x55558cab0650) = 21628
[pid 21628] set_robust_list(0x55558cab0660, 24) = 0
[pid 21628] chdir("./20785")            = 0
[pid 21628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21628] setpgid(0, 0)               = 0
[pid 21628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21628] write(3, "1000", 4)         = 4
[pid 21628] close(3)                    = 0
[pid 21628] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21628] write(1, "executing program\n", 18) = 18
[pid 21628] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21628] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21628] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21628] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21628] exit_group(0)               = ?
[pid 21628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20785", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20785/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20785/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20785")                        = 0
mkdir("./20786", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21629
./strace-static-x86_64: Process 21629 attached
[pid 21629] set_robust_list(0x55558cab0660, 24) = 0
[pid 21629] chdir("./20786")            = 0
[pid 21629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21629] setpgid(0, 0)               = 0
[pid 21629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21629] write(3, "1000", 4)         = 4
[pid 21629] close(3)                    = 0
[pid 21629] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21629] write(1, "executing program\n", 18) = 18
[pid 21629] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21629] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21629] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21629] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21629] exit_group(0)               = ?
[pid 21629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20786", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20786/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20786/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20786")                        = 0
mkdir("./20787", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21630 attached
, child_tidptr=0x55558cab0650) = 21630
[pid 21630] set_robust_list(0x55558cab0660, 24) = 0
[pid 21630] chdir("./20787")            = 0
[pid 21630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21630] setpgid(0, 0)               = 0
[pid 21630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21630] write(3, "1000", 4)         = 4
[pid 21630] close(3)                    = 0
[pid 21630] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21630] write(1, "executing program\n", 18) = 18
[pid 21630] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21630] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21630] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21630] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21630] exit_group(0)               = ?
[pid 21630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20787", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20787/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20787/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20787")                        = 0
mkdir("./20788", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21631
./strace-static-x86_64: Process 21631 attached
[pid 21631] set_robust_list(0x55558cab0660, 24) = 0
[pid 21631] chdir("./20788")            = 0
[pid 21631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21631] setpgid(0, 0)               = 0
[pid 21631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21631] write(3, "1000", 4)         = 4
[pid 21631] close(3)                    = 0
[pid 21631] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21631] write(1, "executing program\n", 18executing program
) = 18
[pid 21631] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21631] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21631] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21631] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21631] exit_group(0)               = ?
[pid 21631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20788", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20788/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20788/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20788")                        = 0
mkdir("./20789", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21632
./strace-static-x86_64: Process 21632 attached
[pid 21632] set_robust_list(0x55558cab0660, 24) = 0
[pid 21632] chdir("./20789")            = 0
[pid 21632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21632] setpgid(0, 0)               = 0
[pid 21632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21632] write(3, "1000", 4)         = 4
[pid 21632] close(3)                    = 0
[pid 21632] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21632] write(1, "executing program\n", 18) = 18
[pid 21632] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21632] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21632] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21632] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21632] exit_group(0)               = ?
[pid 21632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20789", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20789/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20789/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20789")                        = 0
mkdir("./20790", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21633
./strace-static-x86_64: Process 21633 attached
[pid 21633] set_robust_list(0x55558cab0660, 24) = 0
[pid 21633] chdir("./20790")            = 0
[pid 21633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21633] setpgid(0, 0)               = 0
[pid 21633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21633] write(3, "1000", 4)         = 4
[pid 21633] close(3)                    = 0
[pid 21633] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21633] write(1, "executing program\n", 18) = 18
[pid 21633] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21633] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21633] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21633] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21633] exit_group(0)               = ?
[pid 21633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20790", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20790/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20790/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20790")                        = 0
mkdir("./20791", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21634 attached
, child_tidptr=0x55558cab0650) = 21634
[pid 21634] set_robust_list(0x55558cab0660, 24) = 0
[pid 21634] chdir("./20791")            = 0
[pid 21634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21634] setpgid(0, 0)               = 0
[pid 21634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21634] write(3, "1000", 4)         = 4
[pid 21634] close(3)                    = 0
[pid 21634] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21634] write(1, "executing program\n", 18executing program
) = 18
[pid 21634] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21634] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21634] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21634] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21634] exit_group(0)               = ?
[pid 21634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20791", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20791/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20791/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20791")                        = 0
mkdir("./20792", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21635
./strace-static-x86_64: Process 21635 attached
[pid 21635] set_robust_list(0x55558cab0660, 24) = 0
[pid 21635] chdir("./20792")            = 0
[pid 21635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21635] setpgid(0, 0)               = 0
[pid 21635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21635] write(3, "1000", 4)         = 4
[pid 21635] close(3)                    = 0
[pid 21635] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21635] write(1, "executing program\n", 18) = 18
[pid 21635] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21635] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21635] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21635] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21635] exit_group(0)               = ?
[pid 21635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20792", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20792/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20792/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20792")                        = 0
mkdir("./20793", 0777)                  = 0
executing program
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21636
./strace-static-x86_64: Process 21636 attached
[pid 21636] set_robust_list(0x55558cab0660, 24) = 0
[pid 21636] chdir("./20793")            = 0
[pid 21636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21636] setpgid(0, 0)               = 0
[pid 21636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21636] write(3, "1000", 4)         = 4
[pid 21636] close(3)                    = 0
[pid 21636] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21636] write(1, "executing program\n", 18) = 18
[pid 21636] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21636] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21636] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21636] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21636] exit_group(0)               = ?
[pid 21636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20793", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20793/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20793/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20793")                        = 0
mkdir("./20794", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21637 attached
, child_tidptr=0x55558cab0650) = 21637
[pid 21637] set_robust_list(0x55558cab0660, 24) = 0
[pid 21637] chdir("./20794")            = 0
[pid 21637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21637] setpgid(0, 0)               = 0
[pid 21637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21637] write(3, "1000", 4)         = 4
[pid 21637] close(3)                    = 0
[pid 21637] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21637] write(1, "executing program\n", 18) = 18
[pid 21637] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21637] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21637] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21637] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21637] exit_group(0)               = ?
[pid 21637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20794", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20794/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20794/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20794")                        = 0
mkdir("./20795", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21638
./strace-static-x86_64: Process 21638 attached
[pid 21638] set_robust_list(0x55558cab0660, 24) = 0
[pid 21638] chdir("./20795")            = 0
[pid 21638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21638] setpgid(0, 0)               = 0
[pid 21638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21638] write(3, "1000", 4)         = 4
[pid 21638] close(3)                    = 0
[pid 21638] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21638] write(1, "executing program\n", 18) = 18
[pid 21638] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21638] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21638] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21638] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21638] exit_group(0)               = ?
[pid 21638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20795", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20795/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20795/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20795")                        = 0
mkdir("./20796", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21639
./strace-static-x86_64: Process 21639 attached
[pid 21639] set_robust_list(0x55558cab0660, 24) = 0
[pid 21639] chdir("./20796")            = 0
[pid 21639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21639] setpgid(0, 0)               = 0
[pid 21639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21639] write(3, "1000", 4)         = 4
[pid 21639] close(3)                    = 0
[pid 21639] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21639] write(1, "executing program\n", 18) = 18
[pid 21639] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21639] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21639] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21639] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21639] exit_group(0)               = ?
[pid 21639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20796", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20796/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20796/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20796")                        = 0
mkdir("./20797", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21640
./strace-static-x86_64: Process 21640 attached
[pid 21640] set_robust_list(0x55558cab0660, 24) = 0
[pid 21640] chdir("./20797")            = 0
[pid 21640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21640] setpgid(0, 0)               = 0
[pid 21640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21640] write(3, "1000", 4)         = 4
[pid 21640] close(3)                    = 0
[pid 21640] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21640] write(1, "executing program\n", 18executing program
) = 18
[pid 21640] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21640] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21640] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21640] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21640] exit_group(0)               = ?
[pid 21640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20797", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20797/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20797/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20797")                        = 0
mkdir("./20798", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21641 attached
, child_tidptr=0x55558cab0650) = 21641
[pid 21641] set_robust_list(0x55558cab0660, 24) = 0
[pid 21641] chdir("./20798")            = 0
[pid 21641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21641] setpgid(0, 0)               = 0
[pid 21641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21641] write(3, "1000", 4)         = 4
[pid 21641] close(3)                    = 0
[pid 21641] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21641] write(1, "executing program\n", 18) = 18
[pid 21641] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21641] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21641] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21641] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21641] exit_group(0)               = ?
[pid 21641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20798", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20798/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20798/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20798")                        = 0
mkdir("./20799", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21642 attached
, child_tidptr=0x55558cab0650) = 21642
[pid 21642] set_robust_list(0x55558cab0660, 24) = 0
[pid 21642] chdir("./20799")            = 0
[pid 21642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21642] setpgid(0, 0)               = 0
[pid 21642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21642] write(3, "1000", 4)         = 4
[pid 21642] close(3)                    = 0
[pid 21642] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21642] write(1, "executing program\n", 18) = 18
[pid 21642] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21642] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21642] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21642] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21642] exit_group(0)               = ?
[pid 21642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20799", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20799/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20799/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20799")                        = 0
mkdir("./20800", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21643
./strace-static-x86_64: Process 21643 attached
[pid 21643] set_robust_list(0x55558cab0660, 24) = 0
[pid 21643] chdir("./20800")            = 0
[pid 21643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21643] setpgid(0, 0)               = 0
[pid 21643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21643] write(3, "1000", 4)         = 4
[pid 21643] close(3)                    = 0
[pid 21643] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21643] write(1, "executing program\n", 18executing program
) = 18
[pid 21643] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21643] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21643] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21643] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21643] exit_group(0)               = ?
[pid 21643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20800", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20800/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20800/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20800")                        = 0
mkdir("./20801", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21644
./strace-static-x86_64: Process 21644 attached
[pid 21644] set_robust_list(0x55558cab0660, 24) = 0
[pid 21644] chdir("./20801")            = 0
[pid 21644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21644] setpgid(0, 0)               = 0
[pid 21644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21644] write(3, "1000", 4)         = 4
[pid 21644] close(3)                    = 0
[pid 21644] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21644] write(1, "executing program\n", 18) = 18
[pid 21644] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21644] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21644] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21644] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21644] exit_group(0)               = ?
[pid 21644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20801", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20801/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20801/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20801")                        = 0
mkdir("./20802", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21645
./strace-static-x86_64: Process 21645 attached
[pid 21645] set_robust_list(0x55558cab0660, 24) = 0
[pid 21645] chdir("./20802")            = 0
[pid 21645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21645] setpgid(0, 0)               = 0
[pid 21645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21645] write(3, "1000", 4)         = 4
[pid 21645] close(3)                    = 0
[pid 21645] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21645] write(1, "executing program\n", 18) = 18
[pid 21645] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21645] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21645] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21645] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21645] exit_group(0)               = ?
[pid 21645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20802", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20802/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20802/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20802")                        = 0
mkdir("./20803", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21646
./strace-static-x86_64: Process 21646 attached
[pid 21646] set_robust_list(0x55558cab0660, 24) = 0
[pid 21646] chdir("./20803")            = 0
[pid 21646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21646] setpgid(0, 0)               = 0
[pid 21646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21646] write(3, "1000", 4)         = 4
[pid 21646] close(3)                    = 0
[pid 21646] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21646] write(1, "executing program\n", 18) = 18
[pid 21646] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21646] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21646] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21646] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21646] exit_group(0)               = ?
[pid 21646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20803", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20803/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20803/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20803")                        = 0
mkdir("./20804", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21647 attached
, child_tidptr=0x55558cab0650) = 21647
[pid 21647] set_robust_list(0x55558cab0660, 24) = 0
[pid 21647] chdir("./20804")            = 0
[pid 21647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21647] setpgid(0, 0)               = 0
[pid 21647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21647] write(3, "1000", 4)         = 4
[pid 21647] close(3)                    = 0
[pid 21647] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21647] write(1, "executing program\n", 18) = 18
[pid 21647] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21647] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21647] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21647] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21647] exit_group(0)               = ?
[pid 21647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20804", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20804/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20804/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20804")                        = 0
mkdir("./20805", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21648
./strace-static-x86_64: Process 21648 attached
[pid 21648] set_robust_list(0x55558cab0660, 24) = 0
[pid 21648] chdir("./20805")            = 0
[pid 21648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21648] setpgid(0, 0)               = 0
[pid 21648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21648] write(3, "1000", 4)         = 4
[pid 21648] close(3)                    = 0
[pid 21648] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21648] write(1, "executing program\n", 18) = 18
[pid 21648] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21648] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21648] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21648] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21648] exit_group(0)               = ?
[pid 21648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20805", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20805/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20805/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20805")                        = 0
mkdir("./20806", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21649 attached
, child_tidptr=0x55558cab0650) = 21649
[pid 21649] set_robust_list(0x55558cab0660, 24) = 0
[pid 21649] chdir("./20806")            = 0
[pid 21649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21649] setpgid(0, 0)               = 0
[pid 21649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21649] write(3, "1000", 4)         = 4
[pid 21649] close(3)                    = 0
[pid 21649] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21649] write(1, "executing program\n", 18) = 18
[pid 21649] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21649] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21649] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21649] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21649] exit_group(0)               = ?
[pid 21649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20806", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20806/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20806/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20806")                        = 0
mkdir("./20807", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21650
./strace-static-x86_64: Process 21650 attached
[pid 21650] set_robust_list(0x55558cab0660, 24) = 0
[pid 21650] chdir("./20807")            = 0
[pid 21650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21650] setpgid(0, 0)               = 0
[pid 21650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21650] write(3, "1000", 4)         = 4
[pid 21650] close(3)                    = 0
[pid 21650] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21650] write(1, "executing program\n", 18executing program
) = 18
[pid 21650] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21650] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21650] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21650] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21650] exit_group(0)               = ?
[pid 21650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20807", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20807/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20807/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20807")                        = 0
mkdir("./20808", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21651
./strace-static-x86_64: Process 21651 attached
[pid 21651] set_robust_list(0x55558cab0660, 24) = 0
[pid 21651] chdir("./20808")            = 0
[pid 21651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21651] setpgid(0, 0)               = 0
[pid 21651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21651] write(3, "1000", 4)         = 4
[pid 21651] close(3)                    = 0
[pid 21651] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21651] write(1, "executing program\n", 18) = 18
[pid 21651] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21651] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21651] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21651] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21651] exit_group(0)               = ?
[pid 21651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20808", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20808/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20808/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20808")                        = 0
mkdir("./20809", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21652
./strace-static-x86_64: Process 21652 attached
[pid 21652] set_robust_list(0x55558cab0660, 24) = 0
[pid 21652] chdir("./20809")            = 0
[pid 21652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21652] setpgid(0, 0)               = 0
[pid 21652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21652] write(3, "1000", 4)         = 4
[pid 21652] close(3)                    = 0
[pid 21652] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21652] write(1, "executing program\n", 18) = 18
[pid 21652] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21652] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21652] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21652] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21652] exit_group(0)               = ?
[pid 21652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20809", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20809/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20809/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20809")                        = 0
mkdir("./20810", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21653
./strace-static-x86_64: Process 21653 attached
[pid 21653] set_robust_list(0x55558cab0660, 24) = 0
[pid 21653] chdir("./20810")            = 0
[pid 21653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21653] setpgid(0, 0)               = 0
[pid 21653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21653] write(3, "1000", 4)         = 4
[pid 21653] close(3)                    = 0
[pid 21653] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21653] write(1, "executing program\n", 18) = 18
[pid 21653] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21653] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21653] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21653] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21653] exit_group(0)               = ?
[pid 21653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20810", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20810/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20810/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20810")                        = 0
mkdir("./20811", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21654
./strace-static-x86_64: Process 21654 attached
[pid 21654] set_robust_list(0x55558cab0660, 24) = 0
[pid 21654] chdir("./20811")            = 0
[pid 21654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21654] setpgid(0, 0)               = 0
[pid 21654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21654] write(3, "1000", 4)         = 4
[pid 21654] close(3)                    = 0
[pid 21654] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21654] write(1, "executing program\n", 18) = 18
[pid 21654] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21654] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21654] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21654] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21654] exit_group(0)               = ?
[pid 21654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20811", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20811/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20811/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20811")                        = 0
mkdir("./20812", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21655 attached
, child_tidptr=0x55558cab0650) = 21655
[pid 21655] set_robust_list(0x55558cab0660, 24) = 0
[pid 21655] chdir("./20812")            = 0
[pid 21655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21655] setpgid(0, 0)               = 0
[pid 21655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21655] write(3, "1000", 4)         = 4
[pid 21655] close(3)                    = 0
[pid 21655] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21655] write(1, "executing program\n", 18) = 18
[pid 21655] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21655] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21655] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21655] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21655] exit_group(0)               = ?
[pid 21655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20812", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20812/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20812/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20812")                        = 0
mkdir("./20813", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21656 attached
, child_tidptr=0x55558cab0650) = 21656
[pid 21656] set_robust_list(0x55558cab0660, 24) = 0
[pid 21656] chdir("./20813")            = 0
[pid 21656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21656] setpgid(0, 0)               = 0
[pid 21656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21656] write(3, "1000", 4)         = 4
[pid 21656] close(3)                    = 0
[pid 21656] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21656] write(1, "executing program\n", 18) = 18
[pid 21656] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21656] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21656] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21656] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21656] exit_group(0)               = ?
[pid 21656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20813", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20813/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20813/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20813")                        = 0
mkdir("./20814", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21657
./strace-static-x86_64: Process 21657 attached
[pid 21657] set_robust_list(0x55558cab0660, 24) = 0
[pid 21657] chdir("./20814")            = 0
[pid 21657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21657] setpgid(0, 0)               = 0
[pid 21657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21657] write(3, "1000", 4)         = 4
[pid 21657] close(3)                    = 0
[pid 21657] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21657] write(1, "executing program\n", 18) = 18
[pid 21657] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21657] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21657] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21657] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21657] exit_group(0)               = ?
[pid 21657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20814", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20814/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20814/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20814")                        = 0
mkdir("./20815", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21658
./strace-static-x86_64: Process 21658 attached
[pid 21658] set_robust_list(0x55558cab0660, 24) = 0
[pid 21658] chdir("./20815")            = 0
[pid 21658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21658] setpgid(0, 0)               = 0
[pid 21658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21658] write(3, "1000", 4)         = 4
[pid 21658] close(3)                    = 0
[pid 21658] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21658] write(1, "executing program\n", 18) = 18
[pid 21658] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21658] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21658] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21658] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21658] exit_group(0)               = ?
[pid 21658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20815", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20815/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20815/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20815")                        = 0
mkdir("./20816", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21659 attached
 <unfinished ...>
[pid 21659] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21659
[pid 21659] chdir("./20816")            = 0
[pid 21659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21659] setpgid(0, 0)               = 0
[pid 21659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21659] write(3, "1000", 4)         = 4
[pid 21659] close(3)                    = 0
[pid 21659] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21659] write(1, "executing program\n", 18executing program
) = 18
[pid 21659] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21659] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21659] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21659] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21659] exit_group(0)               = ?
[pid 21659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20816", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20816/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20816/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20816")                        = 0
mkdir("./20817", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21660
./strace-static-x86_64: Process 21660 attached
[pid 21660] set_robust_list(0x55558cab0660, 24) = 0
[pid 21660] chdir("./20817")            = 0
[pid 21660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21660] setpgid(0, 0)               = 0
[pid 21660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21660] write(3, "1000", 4)         = 4
[pid 21660] close(3)                    = 0
[pid 21660] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21660] write(1, "executing program\n", 18) = 18
[pid 21660] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21660] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21660] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21660] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21660] exit_group(0)               = ?
[pid 21660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20817", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20817/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20817/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20817")                        = 0
mkdir("./20818", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21661
./strace-static-x86_64: Process 21661 attached
[pid 21661] set_robust_list(0x55558cab0660, 24) = 0
[pid 21661] chdir("./20818")            = 0
[pid 21661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21661] setpgid(0, 0)               = 0
[pid 21661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21661] write(3, "1000", 4)         = 4
[pid 21661] close(3)                    = 0
[pid 21661] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21661] write(1, "executing program\n", 18executing program
) = 18
[pid 21661] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21661] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21661] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21661] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21661] exit_group(0)               = ?
[pid 21661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20818", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20818/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20818/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20818")                        = 0
mkdir("./20819", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21662
./strace-static-x86_64: Process 21662 attached
[pid 21662] set_robust_list(0x55558cab0660, 24) = 0
[pid 21662] chdir("./20819")            = 0
[pid 21662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21662] setpgid(0, 0)               = 0
[pid 21662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21662] write(3, "1000", 4)         = 4
[pid 21662] close(3)                    = 0
[pid 21662] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21662] write(1, "executing program\n", 18) = 18
[pid 21662] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21662] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21662] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21662] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21662] exit_group(0)               = ?
[pid 21662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20819", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20819/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20819/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20819")                        = 0
mkdir("./20820", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21663
./strace-static-x86_64: Process 21663 attached
[pid 21663] set_robust_list(0x55558cab0660, 24) = 0
[pid 21663] chdir("./20820")            = 0
[pid 21663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21663] setpgid(0, 0)               = 0
[pid 21663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21663] write(3, "1000", 4)         = 4
[pid 21663] close(3)                    = 0
[pid 21663] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21663] write(1, "executing program\n", 18) = 18
[pid 21663] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21663] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21663] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21663] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21663] exit_group(0)               = ?
[pid 21663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20820", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20820/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20820/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20820")                        = 0
mkdir("./20821", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21664
./strace-static-x86_64: Process 21664 attached
[pid 21664] set_robust_list(0x55558cab0660, 24) = 0
[pid 21664] chdir("./20821")            = 0
[pid 21664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21664] setpgid(0, 0)               = 0
[pid 21664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21664] write(3, "1000", 4)         = 4
[pid 21664] close(3)                    = 0
[pid 21664] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21664] write(1, "executing program\n", 18) = 18
[pid 21664] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21664] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21664] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21664] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21664] exit_group(0)               = ?
[pid 21664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20821", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20821/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20821/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20821")                        = 0
mkdir("./20822", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21665 attached
, child_tidptr=0x55558cab0650) = 21665
[pid 21665] set_robust_list(0x55558cab0660, 24) = 0
[pid 21665] chdir("./20822")            = 0
[pid 21665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21665] setpgid(0, 0)               = 0
[pid 21665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21665] write(3, "1000", 4)         = 4
[pid 21665] close(3)                    = 0
[pid 21665] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21665] write(1, "executing program\n", 18) = 18
[pid 21665] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21665] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21665] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21665] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21665] exit_group(0)               = ?
[pid 21665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20822", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20822/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20822/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20822")                        = 0
mkdir("./20823", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21666
./strace-static-x86_64: Process 21666 attached
[pid 21666] set_robust_list(0x55558cab0660, 24) = 0
[pid 21666] chdir("./20823")            = 0
[pid 21666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21666] setpgid(0, 0)               = 0
[pid 21666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21666] write(3, "1000", 4)         = 4
[pid 21666] close(3)                    = 0
[pid 21666] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21666] write(1, "executing program\n", 18executing program
) = 18
[pid 21666] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21666] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21666] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21666] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21666] exit_group(0)               = ?
[pid 21666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20823", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20823/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20823/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20823")                        = 0
mkdir("./20824", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21667
./strace-static-x86_64: Process 21667 attached
[pid 21667] set_robust_list(0x55558cab0660, 24) = 0
[pid 21667] chdir("./20824")            = 0
[pid 21667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21667] setpgid(0, 0)               = 0
[pid 21667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21667] write(3, "1000", 4)         = 4
[pid 21667] close(3)                    = 0
[pid 21667] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21667] write(1, "executing program\n", 18) = 18
[pid 21667] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21667] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21667] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21667] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21667] exit_group(0)               = ?
[pid 21667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20824", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20824/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20824/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20824")                        = 0
mkdir("./20825", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21668 attached
, child_tidptr=0x55558cab0650) = 21668
[pid 21668] set_robust_list(0x55558cab0660, 24) = 0
[pid 21668] chdir("./20825")            = 0
[pid 21668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21668] setpgid(0, 0)               = 0
[pid 21668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21668] write(3, "1000", 4)         = 4
[pid 21668] close(3)                    = 0
[pid 21668] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21668] write(1, "executing program\n", 18) = 18
[pid 21668] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21668] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21668] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21668] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21668] exit_group(0)               = ?
[pid 21668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20825", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20825/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20825/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20825")                        = 0
mkdir("./20826", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21669
./strace-static-x86_64: Process 21669 attached
[pid 21669] set_robust_list(0x55558cab0660, 24) = 0
[pid 21669] chdir("./20826")            = 0
[pid 21669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21669] setpgid(0, 0)               = 0
[pid 21669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21669] write(3, "1000", 4)         = 4
[pid 21669] close(3)                    = 0
[pid 21669] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21669] write(1, "executing program\n", 18) = 18
[pid 21669] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21669] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21669] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21669] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21669] exit_group(0)               = ?
[pid 21669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20826", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20826/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20826")                        = 0
mkdir("./20827", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21670 attached
, child_tidptr=0x55558cab0650) = 21670
[pid 21670] set_robust_list(0x55558cab0660, 24) = 0
[pid 21670] chdir("./20827")            = 0
[pid 21670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21670] setpgid(0, 0)               = 0
[pid 21670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21670] write(3, "1000", 4)         = 4
[pid 21670] close(3)                    = 0
[pid 21670] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21670] write(1, "executing program\n", 18) = 18
[pid 21670] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21670] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21670] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21670] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21670] exit_group(0)               = ?
[pid 21670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20827", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20827/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20827/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20827")                        = 0
mkdir("./20828", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21671
./strace-static-x86_64: Process 21671 attached
[pid 21671] set_robust_list(0x55558cab0660, 24) = 0
[pid 21671] chdir("./20828")            = 0
[pid 21671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21671] setpgid(0, 0)               = 0
[pid 21671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21671] write(3, "1000", 4)         = 4
[pid 21671] close(3)                    = 0
[pid 21671] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21671] write(1, "executing program\n", 18executing program
) = 18
[pid 21671] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21671] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21671] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21671] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21671] exit_group(0)               = ?
[pid 21671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20828", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20828/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20828/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20828")                        = 0
mkdir("./20829", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21672 attached
, child_tidptr=0x55558cab0650) = 21672
[pid 21672] set_robust_list(0x55558cab0660, 24) = 0
[pid 21672] chdir("./20829")            = 0
[pid 21672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21672] setpgid(0, 0)               = 0
[pid 21672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21672] write(3, "1000", 4)         = 4
[pid 21672] close(3)                    = 0
[pid 21672] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21672] write(1, "executing program\n", 18executing program
) = 18
[pid 21672] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21672] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21672] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21672] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21672] exit_group(0)               = ?
[pid 21672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20829", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20829/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20829/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20829")                        = 0
mkdir("./20830", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21673 attached
, child_tidptr=0x55558cab0650) = 21673
[pid 21673] set_robust_list(0x55558cab0660, 24) = 0
[pid 21673] chdir("./20830")            = 0
[pid 21673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21673] setpgid(0, 0)               = 0
[pid 21673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21673] write(3, "1000", 4)         = 4
[pid 21673] close(3)                    = 0
[pid 21673] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21673] write(1, "executing program\n", 18) = 18
[pid 21673] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21673] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21673] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21673] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21673] exit_group(0)               = ?
[pid 21673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20830", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20830/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20830/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20830")                        = 0
mkdir("./20831", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21674
./strace-static-x86_64: Process 21674 attached
[pid 21674] set_robust_list(0x55558cab0660, 24) = 0
[pid 21674] chdir("./20831")            = 0
[pid 21674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21674] setpgid(0, 0)               = 0
[pid 21674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21674] write(3, "1000", 4)         = 4
[pid 21674] close(3)                    = 0
[pid 21674] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21674] write(1, "executing program\n", 18) = 18
[pid 21674] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21674] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21674] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21674] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21674] exit_group(0)               = ?
[pid 21674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20831", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20831/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20831/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20831")                        = 0
mkdir("./20832", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21675 attached
, child_tidptr=0x55558cab0650) = 21675
[pid 21675] set_robust_list(0x55558cab0660, 24) = 0
[pid 21675] chdir("./20832")            = 0
[pid 21675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21675] setpgid(0, 0)               = 0
[pid 21675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21675] write(3, "1000", 4)         = 4
[pid 21675] close(3)                    = 0
[pid 21675] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21675] write(1, "executing program\n", 18executing program
) = 18
[pid 21675] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21675] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21675] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21675] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21675] exit_group(0)               = ?
[pid 21675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20832", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20832/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20832/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20832")                        = 0
mkdir("./20833", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21676
./strace-static-x86_64: Process 21676 attached
[pid 21676] set_robust_list(0x55558cab0660, 24) = 0
[pid 21676] chdir("./20833")            = 0
[pid 21676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21676] setpgid(0, 0)               = 0
[pid 21676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21676] write(3, "1000", 4)         = 4
[pid 21676] close(3)                    = 0
[pid 21676] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21676] write(1, "executing program\n", 18) = 18
[pid 21676] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21676] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21676] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21676] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21676] exit_group(0)               = ?
[pid 21676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20833", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20833/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20833/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20833")                        = 0
mkdir("./20834", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21677
./strace-static-x86_64: Process 21677 attached
[pid 21677] set_robust_list(0x55558cab0660, 24) = 0
[pid 21677] chdir("./20834")            = 0
[pid 21677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21677] setpgid(0, 0)               = 0
[pid 21677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21677] write(3, "1000", 4)         = 4
[pid 21677] close(3)                    = 0
[pid 21677] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21677] write(1, "executing program\n", 18executing program
) = 18
[pid 21677] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21677] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21677] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21677] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21677] exit_group(0)               = ?
[pid 21677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20834", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20834/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20834/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20834")                        = 0
mkdir("./20835", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21678
./strace-static-x86_64: Process 21678 attached
[pid 21678] set_robust_list(0x55558cab0660, 24) = 0
[pid 21678] chdir("./20835")            = 0
[pid 21678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21678] setpgid(0, 0)               = 0
[pid 21678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21678] write(3, "1000", 4)         = 4
[pid 21678] close(3)                    = 0
[pid 21678] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21678] write(1, "executing program\n", 18) = 18
[pid 21678] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21678] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21678] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21678] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21678] exit_group(0)               = ?
[pid 21678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20835", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20835/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20835/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20835")                        = 0
mkdir("./20836", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21679 attached
, child_tidptr=0x55558cab0650) = 21679
[pid 21679] set_robust_list(0x55558cab0660, 24) = 0
[pid 21679] chdir("./20836")            = 0
[pid 21679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21679] setpgid(0, 0)               = 0
[pid 21679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21679] write(3, "1000", 4)         = 4
[pid 21679] close(3)                    = 0
[pid 21679] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21679] write(1, "executing program\n", 18) = 18
[pid 21679] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21679] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21679] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21679] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21679] exit_group(0)               = ?
[pid 21679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20836", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20836/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20836/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20836")                        = 0
mkdir("./20837", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21680
./strace-static-x86_64: Process 21680 attached
[pid 21680] set_robust_list(0x55558cab0660, 24) = 0
[pid 21680] chdir("./20837")            = 0
[pid 21680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21680] setpgid(0, 0)               = 0
[pid 21680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21680] write(3, "1000", 4)         = 4
[pid 21680] close(3)                    = 0
[pid 21680] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21680] write(1, "executing program\n", 18executing program
) = 18
[pid 21680] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21680] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21680] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21680] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21680] exit_group(0)               = ?
[pid 21680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20837", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20837/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20837/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20837")                        = 0
mkdir("./20838", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21681
./strace-static-x86_64: Process 21681 attached
[pid 21681] set_robust_list(0x55558cab0660, 24) = 0
[pid 21681] chdir("./20838")            = 0
[pid 21681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21681] setpgid(0, 0)               = 0
[pid 21681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21681] write(3, "1000", 4)         = 4
[pid 21681] close(3)                    = 0
[pid 21681] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21681] write(1, "executing program\n", 18) = 18
[pid 21681] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21681] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21681] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21681] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21681] exit_group(0)               = ?
[pid 21681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20838", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20838/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20838/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20838")                        = 0
mkdir("./20839", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21682
./strace-static-x86_64: Process 21682 attached
[pid 21682] set_robust_list(0x55558cab0660, 24) = 0
[pid 21682] chdir("./20839")            = 0
[pid 21682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 21682] setpgid(0, 0)               = 0
[pid 21682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21682] write(3, "1000", 4)         = 4
[pid 21682] close(3)                    = 0
[pid 21682] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21682] write(1, "executing program\n", 18) = 18
[pid 21682] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21682] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21682] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21682] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21682] exit_group(0)               = ?
[pid 21682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20839", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20839/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20839/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20839")                        = 0
mkdir("./20840", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21683 attached
, child_tidptr=0x55558cab0650) = 21683
[pid 21683] set_robust_list(0x55558cab0660, 24) = 0
[pid 21683] chdir("./20840")            = 0
[pid 21683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21683] setpgid(0, 0)               = 0
[pid 21683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21683] write(3, "1000", 4)         = 4
[pid 21683] close(3)                    = 0
[pid 21683] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21683] write(1, "executing program\n", 18executing program
) = 18
[pid 21683] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21683] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21683] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21683] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21683] exit_group(0)               = ?
[pid 21683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20840", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20840/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20840/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20840")                        = 0
mkdir("./20841", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21684 attached
, child_tidptr=0x55558cab0650) = 21684
[pid 21684] set_robust_list(0x55558cab0660, 24) = 0
[pid 21684] chdir("./20841")            = 0
[pid 21684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21684] setpgid(0, 0)               = 0
[pid 21684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21684] write(3, "1000", 4)         = 4
[pid 21684] close(3)                    = 0
[pid 21684] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21684] write(1, "executing program\n", 18) = 18
[pid 21684] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21684] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21684] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21684] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21684] exit_group(0)               = ?
[pid 21684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20841", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20841/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20841/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20841")                        = 0
mkdir("./20842", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21685
./strace-static-x86_64: Process 21685 attached
[pid 21685] set_robust_list(0x55558cab0660, 24) = 0
[pid 21685] chdir("./20842")            = 0
[pid 21685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21685] setpgid(0, 0)               = 0
[pid 21685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21685] write(3, "1000", 4)         = 4
[pid 21685] close(3)                    = 0
[pid 21685] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21685] write(1, "executing program\n", 18) = 18
[pid 21685] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21685] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21685] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21685] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21685] exit_group(0)               = ?
[pid 21685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20842", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20842/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20842/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20842")                        = 0
mkdir("./20843", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21686
./strace-static-x86_64: Process 21686 attached
[pid 21686] set_robust_list(0x55558cab0660, 24) = 0
[pid 21686] chdir("./20843")            = 0
[pid 21686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21686] setpgid(0, 0)               = 0
[pid 21686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21686] write(3, "1000", 4)         = 4
[pid 21686] close(3executing program
)                    = 0
[pid 21686] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21686] write(1, "executing program\n", 18) = 18
[pid 21686] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21686] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21686] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21686] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21686] exit_group(0)               = ?
[pid 21686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20843", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20843/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20843/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20843")                        = 0
mkdir("./20844", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21687
./strace-static-x86_64: Process 21687 attached
[pid 21687] set_robust_list(0x55558cab0660, 24) = 0
[pid 21687] chdir("./20844")            = 0
[pid 21687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21687] setpgid(0, 0)               = 0
[pid 21687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21687] write(3, "1000", 4)         = 4
[pid 21687] close(3)                    = 0
[pid 21687] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21687] write(1, "executing program\n", 18) = 18
[pid 21687] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21687] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21687] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21687] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21687] exit_group(0)               = ?
[pid 21687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20844", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20844/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20844/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20844")                        = 0
mkdir("./20845", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21688
./strace-static-x86_64: Process 21688 attached
[pid 21688] set_robust_list(0x55558cab0660, 24) = 0
[pid 21688] chdir("./20845")            = 0
[pid 21688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21688] setpgid(0, 0)               = 0
executing program
[pid 21688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21688] write(3, "1000", 4)         = 4
[pid 21688] close(3)                    = 0
[pid 21688] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21688] write(1, "executing program\n", 18) = 18
[pid 21688] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21688] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21688] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21688] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21688] exit_group(0)               = ?
[pid 21688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20845", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20845/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20845/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20845")                        = 0
mkdir("./20846", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21689 attached
, child_tidptr=0x55558cab0650) = 21689
[pid 21689] set_robust_list(0x55558cab0660, 24) = 0
[pid 21689] chdir("./20846")            = 0
[pid 21689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21689] setpgid(0, 0)               = 0
[pid 21689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21689] write(3, "1000", 4)         = 4
[pid 21689] close(3)                    = 0
[pid 21689] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21689] write(1, "executing program\n", 18executing program
) = 18
[pid 21689] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21689] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21689] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21689] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21689] exit_group(0)               = ?
[pid 21689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20846", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20846/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20846/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20846")                        = 0
mkdir("./20847", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21690
./strace-static-x86_64: Process 21690 attached
[pid 21690] set_robust_list(0x55558cab0660, 24) = 0
[pid 21690] chdir("./20847")            = 0
[pid 21690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21690] setpgid(0, 0)               = 0
[pid 21690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21690] write(3, "1000", 4)         = 4
[pid 21690] close(3)                    = 0
[pid 21690] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21690] write(1, "executing program\n", 18) = 18
[pid 21690] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21690] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21690] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21690] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21690] exit_group(0)               = ?
[pid 21690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20847", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20847/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20847/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20847")                        = 0
mkdir("./20848", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21691
./strace-static-x86_64: Process 21691 attached
[pid 21691] set_robust_list(0x55558cab0660, 24) = 0
[pid 21691] chdir("./20848")            = 0
[pid 21691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21691] setpgid(0, 0)               = 0
[pid 21691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21691] write(3, "1000", 4)         = 4
[pid 21691] close(3)                    = 0
[pid 21691] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21691] write(1, "executing program\n", 18) = 18
[pid 21691] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21691] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21691] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21691] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21691] exit_group(0)               = ?
[pid 21691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20848", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20848/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20848/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20848")                        = 0
mkdir("./20849", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21692 attached
, child_tidptr=0x55558cab0650) = 21692
[pid 21692] set_robust_list(0x55558cab0660, 24) = 0
[pid 21692] chdir("./20849")            = 0
[pid 21692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21692] setpgid(0, 0)               = 0
[pid 21692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21692] write(3, "1000", 4)         = 4
[pid 21692] close(3)                    = 0
[pid 21692] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21692] write(1, "executing program\n", 18) = 18
[pid 21692] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21692] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21692] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21692] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21692] exit_group(0)               = ?
[pid 21692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20849", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20849/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20849/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20849")                        = 0
mkdir("./20850", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21693 attached
, child_tidptr=0x55558cab0650) = 21693
[pid 21693] set_robust_list(0x55558cab0660, 24) = 0
[pid 21693] chdir("./20850")            = 0
[pid 21693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21693] setpgid(0, 0)               = 0
[pid 21693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21693] write(3, "1000", 4)         = 4
[pid 21693] close(3)                    = 0
[pid 21693] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21693] write(1, "executing program\n", 18) = 18
[pid 21693] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21693] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21693] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21693] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21693] exit_group(0)               = ?
[pid 21693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20850", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20850/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20850/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20850")                        = 0
mkdir("./20851", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21694 attached
, child_tidptr=0x55558cab0650) = 21694
[pid 21694] set_robust_list(0x55558cab0660, 24) = 0
[pid 21694] chdir("./20851")            = 0
[pid 21694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21694] setpgid(0, 0)               = 0
[pid 21694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21694] write(3, "1000", 4)         = 4
[pid 21694] close(3)                    = 0
[pid 21694] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21694] write(1, "executing program\n", 18executing program
) = 18
[pid 21694] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21694] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21694] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21694] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21694] exit_group(0)               = ?
[pid 21694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20851", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20851/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20851/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20851")                        = 0
mkdir("./20852", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21695
./strace-static-x86_64: Process 21695 attached
[pid 21695] set_robust_list(0x55558cab0660, 24) = 0
[pid 21695] chdir("./20852")            = 0
[pid 21695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21695] setpgid(0, 0)               = 0
[pid 21695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21695] write(3, "1000", 4)         = 4
[pid 21695] close(3)                    = 0
[pid 21695] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21695] write(1, "executing program\n", 18executing program
) = 18
[pid 21695] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21695] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21695] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21695] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21695] exit_group(0)               = ?
[pid 21695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20852", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20852/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20852/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20852")                        = 0
mkdir("./20853", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21696 attached
, child_tidptr=0x55558cab0650) = 21696
[pid 21696] set_robust_list(0x55558cab0660, 24) = 0
[pid 21696] chdir("./20853")            = 0
[pid 21696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21696] setpgid(0, 0)               = 0
[pid 21696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21696] write(3, "1000", 4)         = 4
[pid 21696] close(3)                    = 0
[pid 21696] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21696] write(1, "executing program\n", 18) = 18
[pid 21696] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21696] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21696] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21696] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21696] exit_group(0)               = ?
[pid 21696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20853", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20853/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20853/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20853")                        = 0
mkdir("./20854", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21697
./strace-static-x86_64: Process 21697 attached
[pid 21697] set_robust_list(0x55558cab0660, 24) = 0
[pid 21697] chdir("./20854")            = 0
[pid 21697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21697] setpgid(0, 0)               = 0
[pid 21697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21697] write(3, "1000", 4)         = 4
[pid 21697] close(3)                    = 0
[pid 21697] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21697] write(1, "executing program\n", 18) = 18
[pid 21697] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21697] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21697] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21697] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21697] exit_group(0)               = ?
[pid 21697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20854", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20854/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20854/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20854")                        = 0
mkdir("./20855", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21698
./strace-static-x86_64: Process 21698 attached
[pid 21698] set_robust_list(0x55558cab0660, 24) = 0
[pid 21698] chdir("./20855")            = 0
[pid 21698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21698] setpgid(0, 0)               = 0
[pid 21698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21698] write(3, "1000", 4)         = 4
[pid 21698] close(3)                    = 0
[pid 21698] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21698] write(1, "executing program\n", 18) = 18
[pid 21698] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21698] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21698] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21698] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21698] exit_group(0)               = ?
[pid 21698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20855", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20855/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20855/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20855")                        = 0
mkdir("./20856", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21699
./strace-static-x86_64: Process 21699 attached
[pid 21699] set_robust_list(0x55558cab0660, 24) = 0
[pid 21699] chdir("./20856")            = 0
[pid 21699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21699] setpgid(0, 0)               = 0
[pid 21699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21699] write(3, "1000", 4)         = 4
[pid 21699] close(3)                    = 0
[pid 21699] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21699] write(1, "executing program\n", 18executing program
) = 18
[pid 21699] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21699] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21699] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21699] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21699] exit_group(0)               = ?
[pid 21699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20856", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20856/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20856/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20856")                        = 0
mkdir("./20857", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21700 attached
, child_tidptr=0x55558cab0650) = 21700
[pid 21700] set_robust_list(0x55558cab0660, 24) = 0
[pid 21700] chdir("./20857")            = 0
[pid 21700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21700] setpgid(0, 0)               = 0
[pid 21700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21700] write(3, "1000", 4)         = 4
[pid 21700] close(3)                    = 0
[pid 21700] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21700] write(1, "executing program\n", 18executing program
) = 18
[pid 21700] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21700] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21700] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21700] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21700] exit_group(0)               = ?
[pid 21700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20857", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20857/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20857/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20857")                        = 0
mkdir("./20858", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21702
./strace-static-x86_64: Process 21702 attached
[pid 21702] set_robust_list(0x55558cab0660, 24) = 0
[pid 21702] chdir("./20858")            = 0
[pid 21702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21702] setpgid(0, 0)               = 0
[pid 21702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21702] write(3, "1000", 4)         = 4
[pid 21702] close(3)                    = 0
[pid 21702] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21702] write(1, "executing program\n", 18) = 18
[pid 21702] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21702] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21702] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21702] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21702] exit_group(0)               = ?
[pid 21702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20858", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20858/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20858/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20858")                        = 0
mkdir("./20859", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21703
./strace-static-x86_64: Process 21703 attached
[pid 21703] set_robust_list(0x55558cab0660, 24) = 0
[pid 21703] chdir("./20859")            = 0
[pid 21703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21703] setpgid(0, 0)               = 0
[pid 21703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21703] write(3, "1000", 4)         = 4
[pid 21703] close(3)                    = 0
[pid 21703] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21703] write(1, "executing program\n", 18executing program
) = 18
[pid 21703] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21703] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21703] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21703] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21703] exit_group(0)               = ?
[pid 21703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20859", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20859/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20859/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20859")                        = 0
mkdir("./20860", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21704
./strace-static-x86_64: Process 21704 attached
[pid 21704] set_robust_list(0x55558cab0660, 24) = 0
[pid 21704] chdir("./20860")            = 0
[pid 21704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21704] setpgid(0, 0)               = 0
[pid 21704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21704] write(3, "1000", 4)         = 4
[pid 21704] close(3)                    = 0
[pid 21704] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21704] write(1, "executing program\n", 18) = 18
[pid 21704] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21704] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21704] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21704] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21704] exit_group(0)               = ?
[pid 21704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20860", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20860/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20860/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20860")                        = 0
mkdir("./20861", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21705 attached
, child_tidptr=0x55558cab0650) = 21705
[pid 21705] set_robust_list(0x55558cab0660, 24) = 0
[pid 21705] chdir("./20861")            = 0
[pid 21705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21705] setpgid(0, 0)               = 0
[pid 21705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21705] write(3, "1000", 4)         = 4
[pid 21705] close(3)                    = 0
[pid 21705] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21705] write(1, "executing program\n", 18) = 18
[pid 21705] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21705] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21705] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21705] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21705] exit_group(0)               = ?
[pid 21705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20861", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20861/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20861/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20861")                        = 0
mkdir("./20862", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21706
./strace-static-x86_64: Process 21706 attached
[pid 21706] set_robust_list(0x55558cab0660, 24) = 0
[pid 21706] chdir("./20862")            = 0
[pid 21706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21706] setpgid(0, 0)               = 0
[pid 21706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21706] write(3, "1000", 4)         = 4
[pid 21706] close(3)                    = 0
[pid 21706] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21706] write(1, "executing program\n", 18) = 18
[pid 21706] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21706] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21706] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21706] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21706] exit_group(0)               = ?
[pid 21706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20862", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20862/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20862/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20862")                        = 0
mkdir("./20863", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21707
./strace-static-x86_64: Process 21707 attached
[pid 21707] set_robust_list(0x55558cab0660, 24) = 0
[pid 21707] chdir("./20863")            = 0
[pid 21707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21707] setpgid(0, 0)               = 0
[pid 21707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21707] write(3, "1000", 4)         = 4
[pid 21707] close(3)                    = 0
[pid 21707] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21707] write(1, "executing program\n", 18executing program
) = 18
[pid 21707] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21707] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21707] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21707] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21707] exit_group(0)               = ?
[pid 21707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20863", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20863/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20863/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20863")                        = 0
mkdir("./20864", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21708
./strace-static-x86_64: Process 21708 attached
[pid 21708] set_robust_list(0x55558cab0660, 24) = 0
[pid 21708] chdir("./20864")            = 0
[pid 21708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21708] setpgid(0, 0)               = 0
[pid 21708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21708] write(3, "1000", 4)         = 4
[pid 21708] close(3)                    = 0
[pid 21708] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21708] write(1, "executing program\n", 18) = 18
[pid 21708] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21708] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21708] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21708] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21708] exit_group(0)               = ?
[pid 21708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20864", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20864/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20864/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20864")                        = 0
mkdir("./20865", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21709
./strace-static-x86_64: Process 21709 attached
[pid 21709] set_robust_list(0x55558cab0660, 24) = 0
[pid 21709] chdir("./20865")            = 0
[pid 21709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21709] setpgid(0, 0)               = 0
[pid 21709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21709] write(3, "1000", 4)         = 4
[pid 21709] close(3)                    = 0
[pid 21709] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21709] write(1, "executing program\n", 18) = 18
[pid 21709] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21709] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21709] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21709] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21709] exit_group(0)               = ?
[pid 21709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20865", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20865/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20865/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20865")                        = 0
mkdir("./20866", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21710
./strace-static-x86_64: Process 21710 attached
[pid 21710] set_robust_list(0x55558cab0660, 24) = 0
[pid 21710] chdir("./20866")            = 0
[pid 21710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21710] setpgid(0, 0)               = 0
[pid 21710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21710] write(3, "1000", 4)         = 4
[pid 21710] close(3)                    = 0
[pid 21710] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21710] write(1, "executing program\n", 18) = 18
[pid 21710] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21710] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21710] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21710] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21710] exit_group(0)               = ?
[pid 21710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20866", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20866/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20866/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20866")                        = 0
mkdir("./20867", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21711
./strace-static-x86_64: Process 21711 attached
[pid 21711] set_robust_list(0x55558cab0660, 24) = 0
[pid 21711] chdir("./20867")            = 0
[pid 21711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21711] setpgid(0, 0)               = 0
[pid 21711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21711] write(3, "1000", 4)         = 4
[pid 21711] close(3)                    = 0
[pid 21711] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21711] write(1, "executing program\n", 18) = 18
[pid 21711] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21711] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21711] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21711] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21711] exit_group(0)               = ?
[pid 21711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20867", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20867/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20867/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20867")                        = 0
mkdir("./20868", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21712
./strace-static-x86_64: Process 21712 attached
[pid 21712] set_robust_list(0x55558cab0660, 24) = 0
[pid 21712] chdir("./20868")            = 0
[pid 21712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21712] setpgid(0, 0)               = 0
[pid 21712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21712] write(3, "1000", 4)         = 4
[pid 21712] close(3)                    = 0
[pid 21712] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21712] write(1, "executing program\n", 18) = 18
[pid 21712] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21712] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21712] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21712] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21712] exit_group(0)               = ?
[pid 21712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20868", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20868/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20868/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20868")                        = 0
mkdir("./20869", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21713 attached
, child_tidptr=0x55558cab0650) = 21713
[pid 21713] set_robust_list(0x55558cab0660, 24) = 0
[pid 21713] chdir("./20869")            = 0
[pid 21713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21713] setpgid(0, 0)               = 0
[pid 21713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21713] write(3, "1000", 4)         = 4
[pid 21713] close(3)                    = 0
[pid 21713] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21713] write(1, "executing program\n", 18) = 18
[pid 21713] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21713] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21713] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21713] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21713] exit_group(0)               = ?
[pid 21713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20869", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20869/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20869/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20869")                        = 0
mkdir("./20870", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21714
./strace-static-x86_64: Process 21714 attached
[pid 21714] set_robust_list(0x55558cab0660, 24) = 0
[pid 21714] chdir("./20870")            = 0
[pid 21714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21714] setpgid(0, 0)               = 0
[pid 21714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21714] write(3, "1000", 4)         = 4
[pid 21714] close(3)                    = 0
[pid 21714] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21714] write(1, "executing program\n", 18) = 18
[pid 21714] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21714] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21714] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21714] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21714] exit_group(0)               = ?
[pid 21714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20870", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20870/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20870/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20870")                        = 0
mkdir("./20871", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21715 attached
, child_tidptr=0x55558cab0650) = 21715
[pid 21715] set_robust_list(0x55558cab0660, 24) = 0
[pid 21715] chdir("./20871")            = 0
[pid 21715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21715] setpgid(0, 0)               = 0
[pid 21715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21715] write(3, "1000", 4)         = 4
[pid 21715] close(3)                    = 0
[pid 21715] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21715] write(1, "executing program\n", 18) = 18
[pid 21715] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21715] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21715] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21715] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21715] exit_group(0)               = ?
[pid 21715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20871", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20871/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20871/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20871")                        = 0
mkdir("./20872", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21716
./strace-static-x86_64: Process 21716 attached
[pid 21716] set_robust_list(0x55558cab0660, 24) = 0
[pid 21716] chdir("./20872")            = 0
[pid 21716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21716] setpgid(0, 0)               = 0
[pid 21716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21716] write(3, "1000", 4)         = 4
[pid 21716] close(3)                    = 0
[pid 21716] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21716] write(1, "executing program\n", 18) = 18
[pid 21716] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21716] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21716] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21716] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21716] exit_group(0)               = ?
[pid 21716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20872", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20872/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20872/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20872")                        = 0
mkdir("./20873", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21717 attached
 <unfinished ...>
[pid 21717] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21717
[pid 21717] chdir("./20873")            = 0
[pid 21717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21717] setpgid(0, 0)               = 0
[pid 21717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21717] write(3, "1000", 4)         = 4
[pid 21717] close(3)                    = 0
[pid 21717] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21717] write(1, "executing program\n", 18) = 18
[pid 21717] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21717] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21717] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21717] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21717] exit_group(0)               = ?
[pid 21717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20873", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20873/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20873/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20873")                        = 0
mkdir("./20874", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21718
./strace-static-x86_64: Process 21718 attached
[pid 21718] set_robust_list(0x55558cab0660, 24) = 0
[pid 21718] chdir("./20874")            = 0
[pid 21718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21718] setpgid(0, 0)               = 0
[pid 21718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21718] write(3, "1000", 4)         = 4
[pid 21718] close(3)                    = 0
[pid 21718] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21718] write(1, "executing program\n", 18) = 18
[pid 21718] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21718] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21718] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21718] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21718] exit_group(0)               = ?
[pid 21718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20874", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20874/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20874/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20874")                        = 0
mkdir("./20875", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21719 attached
, child_tidptr=0x55558cab0650) = 21719
[pid 21719] set_robust_list(0x55558cab0660, 24) = 0
[pid 21719] chdir("./20875")            = 0
[pid 21719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21719] setpgid(0, 0)               = 0
[pid 21719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21719] write(3, "1000", 4)         = 4
[pid 21719] close(3)                    = 0
[pid 21719] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21719] write(1, "executing program\n", 18) = 18
[pid 21719] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21719] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21719] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21719] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21719] exit_group(0)               = ?
[pid 21719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20875", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20875/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20875/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20875")                        = 0
mkdir("./20876", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21720 attached
, child_tidptr=0x55558cab0650) = 21720
[pid 21720] set_robust_list(0x55558cab0660, 24) = 0
[pid 21720] chdir("./20876")            = 0
[pid 21720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21720] setpgid(0, 0)               = 0
[pid 21720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21720] write(3, "1000", 4)         = 4
[pid 21720] close(3)                    = 0
[pid 21720] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21720] write(1, "executing program\n", 18) = 18
[pid 21720] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21720] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21720] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21720] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21720] exit_group(0)               = ?
[pid 21720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20876", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20876/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20876/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20876")                        = 0
mkdir("./20877", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21721
./strace-static-x86_64: Process 21721 attached
[pid 21721] set_robust_list(0x55558cab0660, 24) = 0
[pid 21721] chdir("./20877")            = 0
[pid 21721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21721] setpgid(0, 0)               = 0
[pid 21721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21721] write(3, "1000", 4)         = 4
[pid 21721] close(3)                    = 0
[pid 21721] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21721] write(1, "executing program\n", 18executing program
) = 18
[pid 21721] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21721] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21721] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21721] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21721] exit_group(0)               = ?
[pid 21721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20877", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20877/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20877/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20877")                        = 0
mkdir("./20878", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21722 attached
, child_tidptr=0x55558cab0650) = 21722
[pid 21722] set_robust_list(0x55558cab0660, 24) = 0
[pid 21722] chdir("./20878")            = 0
[pid 21722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21722] setpgid(0, 0)               = 0
[pid 21722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21722] write(3, "1000", 4)         = 4
[pid 21722] close(3)                    = 0
[pid 21722] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21722] write(1, "executing program\n", 18) = 18
[pid 21722] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21722] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21722] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21722] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21722] exit_group(0)               = ?
[pid 21722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20878", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20878/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20878/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20878")                        = 0
mkdir("./20879", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21723 attached
, child_tidptr=0x55558cab0650) = 21723
[pid 21723] set_robust_list(0x55558cab0660, 24) = 0
[pid 21723] chdir("./20879")            = 0
[pid 21723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21723] setpgid(0, 0)               = 0
[pid 21723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21723] write(3, "1000", 4)         = 4
[pid 21723] close(3)                    = 0
[pid 21723] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21723] write(1, "executing program\n", 18) = 18
[pid 21723] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21723] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21723] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21723] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21723] exit_group(0)               = ?
[pid 21723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20879", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20879/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20879/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20879")                        = 0
mkdir("./20880", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21724 attached
, child_tidptr=0x55558cab0650) = 21724
[pid 21724] set_robust_list(0x55558cab0660, 24) = 0
[pid 21724] chdir("./20880")            = 0
[pid 21724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21724] setpgid(0, 0)               = 0
[pid 21724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21724] write(3, "1000", 4)         = 4
[pid 21724] close(3)                    = 0
[pid 21724] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21724] write(1, "executing program\n", 18) = 18
[pid 21724] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21724] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21724] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21724] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21724] exit_group(0)               = ?
[pid 21724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21724, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20880", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20880/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20880/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20880")                        = 0
mkdir("./20881", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21725 attached
, child_tidptr=0x55558cab0650) = 21725
[pid 21725] set_robust_list(0x55558cab0660, 24) = 0
[pid 21725] chdir("./20881")            = 0
[pid 21725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21725] setpgid(0, 0)               = 0
[pid 21725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21725] write(3, "1000", 4)         = 4
[pid 21725] close(3)                    = 0
[pid 21725] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21725] write(1, "executing program\n", 18executing program
) = 18
[pid 21725] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21725] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21725] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21725] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21725] exit_group(0)               = ?
[pid 21725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20881", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20881/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20881/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20881")                        = 0
mkdir("./20882", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21726
./strace-static-x86_64: Process 21726 attached
[pid 21726] set_robust_list(0x55558cab0660, 24) = 0
[pid 21726] chdir("./20882")            = 0
[pid 21726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 21726] setpgid(0, 0)               = 0
[pid 21726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21726] write(3, "1000", 4)         = 4
[pid 21726] close(3)                    = 0
[pid 21726] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21726] write(1, "executing program\n", 18) = 18
[pid 21726] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21726] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21726] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21726] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21726] exit_group(0)               = ?
[pid 21726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20882", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20882/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20882/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20882")                        = 0
mkdir("./20883", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21727
./strace-static-x86_64: Process 21727 attached
[pid 21727] set_robust_list(0x55558cab0660, 24) = 0
[pid 21727] chdir("./20883")            = 0
[pid 21727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21727] setpgid(0, 0)               = 0
[pid 21727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21727] write(3, "1000", 4)         = 4
[pid 21727] close(3)                    = 0
[pid 21727] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21727] write(1, "executing program\n", 18) = 18
[pid 21727] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21727] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21727] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21727] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21727] exit_group(0)               = ?
[pid 21727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20883", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20883/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20883/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20883")                        = 0
mkdir("./20884", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21728
./strace-static-x86_64: Process 21728 attached
[pid 21728] set_robust_list(0x55558cab0660, 24) = 0
[pid 21728] chdir("./20884")            = 0
[pid 21728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21728] setpgid(0, 0)               = 0
[pid 21728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21728] write(3, "1000", 4)         = 4
[pid 21728] close(3)                    = 0
[pid 21728] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21728] write(1, "executing program\n", 18) = 18
[pid 21728] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21728] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21728] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21728] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21728] exit_group(0)               = ?
[pid 21728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20884", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20884/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20884/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20884")                        = 0
mkdir("./20885", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21729
./strace-static-x86_64: Process 21729 attached
[pid 21729] set_robust_list(0x55558cab0660, 24) = 0
[pid 21729] chdir("./20885")            = 0
[pid 21729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21729] setpgid(0, 0)               = 0
[pid 21729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21729] write(3, "1000", 4)         = 4
[pid 21729] close(3)                    = 0
[pid 21729] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21729] write(1, "executing program\n", 18) = 18
[pid 21729] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21729] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21729] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21729] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21729] exit_group(0)               = ?
[pid 21729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20885", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20885/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20885/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20885")                        = 0
mkdir("./20886", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21730
./strace-static-x86_64: Process 21730 attached
[pid 21730] set_robust_list(0x55558cab0660, 24) = 0
[pid 21730] chdir("./20886")            = 0
[pid 21730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21730] setpgid(0, 0)               = 0
[pid 21730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21730] write(3, "1000", 4)         = 4
[pid 21730] close(3)                    = 0
[pid 21730] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21730] write(1, "executing program\n", 18) = 18
[pid 21730] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21730] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21730] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21730] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21730] exit_group(0)               = ?
[pid 21730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20886", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20886/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20886/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20886")                        = 0
mkdir("./20887", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21731
./strace-static-x86_64: Process 21731 attached
[pid 21731] set_robust_list(0x55558cab0660, 24) = 0
[pid 21731] chdir("./20887")            = 0
[pid 21731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21731] setpgid(0, 0)               = 0
[pid 21731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21731] write(3, "1000", 4)         = 4
[pid 21731] close(3)                    = 0
[pid 21731] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21731] write(1, "executing program\n", 18executing program
) = 18
[pid 21731] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21731] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21731] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21731] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21731] exit_group(0)               = ?
[pid 21731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20887", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20887/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20887/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20887")                        = 0
mkdir("./20888", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21732
./strace-static-x86_64: Process 21732 attached
[pid 21732] set_robust_list(0x55558cab0660, 24) = 0
[pid 21732] chdir("./20888")            = 0
[pid 21732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21732] setpgid(0, 0)               = 0
[pid 21732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21732] write(3, "1000", 4)         = 4
[pid 21732] close(3)                    = 0
[pid 21732] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21732] write(1, "executing program\n", 18) = 18
[pid 21732] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21732] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21732] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21732] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21732] exit_group(0)               = ?
[pid 21732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20888", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20888/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20888/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20888")                        = 0
mkdir("./20889", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21733 attached
 <unfinished ...>
[pid 21733] set_robust_list(0x55558cab0660, 24) = 0
[pid 21733] chdir("./20889" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21733
[pid 21733] <... chdir resumed>)        = 0
[pid 21733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21733] setpgid(0, 0)               = 0
[pid 21733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21733] write(3, "1000", 4)         = 4
[pid 21733] close(3)                    = 0
[pid 21733] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21733] write(1, "executing program\n", 18) = 18
[pid 21733] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21733] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21733] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21733] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21733] exit_group(0)               = ?
[pid 21733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20889", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20889/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20889/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20889")                        = 0
mkdir("./20890", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21734 attached
 <unfinished ...>
[pid 21734] set_robust_list(0x55558cab0660, 24) = 0
[pid 21734] chdir("./20890" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21734
[pid 21734] <... chdir resumed>)        = 0
[pid 21734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21734] setpgid(0, 0)               = 0
[pid 21734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21734] write(3, "1000", 4)         = 4
[pid 21734] close(3)                    = 0
[pid 21734] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21734] write(1, "executing program\n", 18) = 18
[pid 21734] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21734] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21734] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21734] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21734] exit_group(0)               = ?
[pid 21734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20890", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20890/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20890/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20890")                        = 0
mkdir("./20891", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21735 attached
, child_tidptr=0x55558cab0650) = 21735
[pid 21735] set_robust_list(0x55558cab0660, 24) = 0
[pid 21735] chdir("./20891")            = 0
[pid 21735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21735] setpgid(0, 0)               = 0
[pid 21735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21735] write(3, "1000", 4)         = 4
[pid 21735] close(3)                    = 0
[pid 21735] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21735] write(1, "executing program\n", 18) = 18
[pid 21735] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21735] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21735] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21735] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21735] exit_group(0)               = ?
[pid 21735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20891", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20891/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20891/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20891")                        = 0
mkdir("./20892", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21736
./strace-static-x86_64: Process 21736 attached
[pid 21736] set_robust_list(0x55558cab0660, 24) = 0
[pid 21736] chdir("./20892")            = 0
[pid 21736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21736] setpgid(0, 0)               = 0
[pid 21736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21736] write(3, "1000", 4)         = 4
[pid 21736] close(3)                    = 0
[pid 21736] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21736] write(1, "executing program\n", 18) = 18
[pid 21736] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21736] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21736] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21736] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21736] exit_group(0)               = ?
[pid 21736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20892", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20892/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20892/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20892")                        = 0
mkdir("./20893", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21737 attached
, child_tidptr=0x55558cab0650) = 21737
[pid 21737] set_robust_list(0x55558cab0660, 24) = 0
[pid 21737] chdir("./20893")            = 0
[pid 21737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21737] setpgid(0, 0)               = 0
[pid 21737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21737] write(3, "1000", 4)         = 4
[pid 21737] close(3)                    = 0
[pid 21737] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21737] write(1, "executing program\n", 18) = 18
[pid 21737] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21737] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21737] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21737] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21737] exit_group(0)               = ?
[pid 21737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20893", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20893/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20893/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20893")                        = 0
mkdir("./20894", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21738 attached
, child_tidptr=0x55558cab0650) = 21738
[pid 21738] set_robust_list(0x55558cab0660, 24) = 0
[pid 21738] chdir("./20894")            = 0
[pid 21738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21738] setpgid(0, 0)               = 0
[pid 21738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21738] write(3, "1000", 4)         = 4
[pid 21738] close(3)                    = 0
[pid 21738] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21738] write(1, "executing program\n", 18) = 18
[pid 21738] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21738] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21738] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21738] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21738] exit_group(0)               = ?
[pid 21738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20894", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20894/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20894/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20894")                        = 0
mkdir("./20895", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21739
./strace-static-x86_64: Process 21739 attached
[pid 21739] set_robust_list(0x55558cab0660, 24) = 0
[pid 21739] chdir("./20895")            = 0
[pid 21739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21739] setpgid(0, 0)               = 0
[pid 21739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21739] write(3, "1000", 4)         = 4
[pid 21739] close(3)                    = 0
[pid 21739] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21739] write(1, "executing program\n", 18) = 18
[pid 21739] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21739] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21739] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21739] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21739] exit_group(0)               = ?
[pid 21739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20895", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20895/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20895/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20895")                        = 0
mkdir("./20896", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21740
./strace-static-x86_64: Process 21740 attached
[pid 21740] set_robust_list(0x55558cab0660, 24) = 0
[pid 21740] chdir("./20896")            = 0
[pid 21740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21740] setpgid(0, 0)               = 0
[pid 21740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21740] write(3, "1000", 4)         = 4
[pid 21740] close(3)                    = 0
[pid 21740] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21740] write(1, "executing program\n", 18) = 18
[pid 21740] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21740] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21740] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21740] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21740] exit_group(0)               = ?
[pid 21740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20896", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20896/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20896/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20896")                        = 0
mkdir("./20897", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21741
./strace-static-x86_64: Process 21741 attached
[pid 21741] set_robust_list(0x55558cab0660, 24) = 0
[pid 21741] chdir("./20897")            = 0
[pid 21741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21741] setpgid(0, 0)               = 0
[pid 21741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21741] write(3, "1000", 4)         = 4
[pid 21741] close(3)                    = 0
[pid 21741] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21741] write(1, "executing program\n", 18) = 18
[pid 21741] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21741] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21741] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21741] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21741] exit_group(0)               = ?
[pid 21741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20897", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20897/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20897/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20897")                        = 0
mkdir("./20898", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21742 attached
, child_tidptr=0x55558cab0650) = 21742
[pid 21742] set_robust_list(0x55558cab0660, 24) = 0
[pid 21742] chdir("./20898")            = 0
[pid 21742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21742] setpgid(0, 0)               = 0
[pid 21742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21742] write(3, "1000", 4)         = 4
[pid 21742] close(3)                    = 0
[pid 21742] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21742] write(1, "executing program\n", 18executing program
) = 18
[pid 21742] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21742] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21742] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21742] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21742] exit_group(0)               = ?
[pid 21742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20898", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20898/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20898/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20898")                        = 0
mkdir("./20899", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21743 attached
, child_tidptr=0x55558cab0650) = 21743
[pid 21743] set_robust_list(0x55558cab0660, 24) = 0
[pid 21743] chdir("./20899")            = 0
[pid 21743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21743] setpgid(0, 0)               = 0
[pid 21743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21743] write(3, "1000", 4)         = 4
[pid 21743] close(3)                    = 0
[pid 21743] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21743] write(1, "executing program\n", 18) = 18
[pid 21743] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21743] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21743] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21743] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21743] exit_group(0)               = ?
[pid 21743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20899", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20899/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20899/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20899")                        = 0
mkdir("./20900", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21744
./strace-static-x86_64: Process 21744 attached
[pid 21744] set_robust_list(0x55558cab0660, 24) = 0
[pid 21744] chdir("./20900")            = 0
[pid 21744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21744] setpgid(0, 0)               = 0
[pid 21744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21744] write(3, "1000", 4)         = 4
[pid 21744] close(3)                    = 0
[pid 21744] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21744] write(1, "executing program\n", 18executing program
) = 18
[pid 21744] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21744] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21744] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21744] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21744] exit_group(0)               = ?
[pid 21744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20900", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20900/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20900/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20900")                        = 0
mkdir("./20901", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21745
./strace-static-x86_64: Process 21745 attached
[pid 21745] set_robust_list(0x55558cab0660, 24) = 0
[pid 21745] chdir("./20901")            = 0
[pid 21745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21745] setpgid(0, 0)               = 0
[pid 21745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21745] write(3, "1000", 4)         = 4
[pid 21745] close(3)                    = 0
[pid 21745] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21745] write(1, "executing program\n", 18executing program
) = 18
[pid 21745] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21745] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21745] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21745] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21745] exit_group(0)               = ?
[pid 21745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20901", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20901/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20901/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20901")                        = 0
mkdir("./20902", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21746
./strace-static-x86_64: Process 21746 attached
[pid 21746] set_robust_list(0x55558cab0660, 24) = 0
[pid 21746] chdir("./20902")            = 0
[pid 21746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21746] setpgid(0, 0)               = 0
[pid 21746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21746] write(3, "1000", 4)         = 4
[pid 21746] close(3)                    = 0
[pid 21746] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21746] write(1, "executing program\n", 18) = 18
[pid 21746] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21746] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21746] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21746] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21746] exit_group(0)               = ?
[pid 21746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20902", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20902/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20902/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20902")                        = 0
mkdir("./20903", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21747
./strace-static-x86_64: Process 21747 attached
[pid 21747] set_robust_list(0x55558cab0660, 24) = 0
[pid 21747] chdir("./20903")            = 0
[pid 21747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21747] setpgid(0, 0)               = 0
[pid 21747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21747] write(3, "1000", 4)         = 4
[pid 21747] close(3)                    = 0
[pid 21747] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21747] write(1, "executing program\n", 18executing program
) = 18
[pid 21747] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21747] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21747] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21747] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21747] exit_group(0)               = ?
[pid 21747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20903", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20903/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20903/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20903")                        = 0
mkdir("./20904", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21748
./strace-static-x86_64: Process 21748 attached
[pid 21748] set_robust_list(0x55558cab0660, 24) = 0
[pid 21748] chdir("./20904")            = 0
[pid 21748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21748] setpgid(0, 0)               = 0
[pid 21748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21748] write(3, "1000", 4)         = 4
[pid 21748] close(3)                    = 0
[pid 21748] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21748] write(1, "executing program\n", 18) = 18
[pid 21748] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21748] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21748] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21748] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21748] exit_group(0)               = ?
[pid 21748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20904", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20904/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20904/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20904")                        = 0
mkdir("./20905", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21749
./strace-static-x86_64: Process 21749 attached
[pid 21749] set_robust_list(0x55558cab0660, 24) = 0
[pid 21749] chdir("./20905")            = 0
[pid 21749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21749] setpgid(0, 0)               = 0
[pid 21749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21749] write(3, "1000", 4)         = 4
[pid 21749] close(3)                    = 0
[pid 21749] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21749] write(1, "executing program\n", 18) = 18
[pid 21749] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21749] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21749] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21749] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21749] exit_group(0)               = ?
[pid 21749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
executing program
umount2("./20905", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20905/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20905/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20905")                        = 0
mkdir("./20906", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21750
./strace-static-x86_64: Process 21750 attached
[pid 21750] set_robust_list(0x55558cab0660, 24) = 0
[pid 21750] chdir("./20906")            = 0
[pid 21750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21750] setpgid(0, 0)               = 0
[pid 21750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21750] write(3, "1000", 4)         = 4
[pid 21750] close(3)                    = 0
[pid 21750] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21750] write(1, "executing program\n", 18) = 18
[pid 21750] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21750] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21750] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21750] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21750] exit_group(0)               = ?
[pid 21750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20906", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20906/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20906/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20906")                        = 0
mkdir("./20907", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21751
./strace-static-x86_64: Process 21751 attached
[pid 21751] set_robust_list(0x55558cab0660, 24) = 0
[pid 21751] chdir("./20907")            = 0
[pid 21751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21751] setpgid(0, 0)               = 0
[pid 21751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21751] write(3, "1000", 4)         = 4
[pid 21751] close(3)                    = 0
[pid 21751] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21751] write(1, "executing program\n", 18executing program
) = 18
[pid 21751] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21751] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21751] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21751] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21751] exit_group(0)               = ?
[pid 21751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20907", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20907/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20907/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20907")                        = 0
mkdir("./20908", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21752
./strace-static-x86_64: Process 21752 attached
[pid 21752] set_robust_list(0x55558cab0660, 24) = 0
[pid 21752] chdir("./20908")            = 0
[pid 21752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21752] setpgid(0, 0)               = 0
[pid 21752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21752] write(3, "1000", 4)         = 4
[pid 21752] close(3)                    = 0
[pid 21752] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21752] write(1, "executing program\n", 18) = 18
[pid 21752] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21752] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21752] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21752] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21752] exit_group(0)               = ?
[pid 21752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21752, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20908", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20908/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20908/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20908")                        = 0
mkdir("./20909", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21753
./strace-static-x86_64: Process 21753 attached
[pid 21753] set_robust_list(0x55558cab0660, 24) = 0
[pid 21753] chdir("./20909")            = 0
[pid 21753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21753] setpgid(0, 0)               = 0
[pid 21753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21753] write(3, "1000", 4)         = 4
[pid 21753] close(3)                    = 0
[pid 21753] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21753] write(1, "executing program\n", 18executing program
) = 18
[pid 21753] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21753] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21753] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21753] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21753] exit_group(0)               = ?
[pid 21753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20909", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20909/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20909/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20909")                        = 0
mkdir("./20910", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21754
./strace-static-x86_64: Process 21754 attached
[pid 21754] set_robust_list(0x55558cab0660, 24) = 0
[pid 21754] chdir("./20910")            = 0
[pid 21754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21754] setpgid(0, 0)               = 0
[pid 21754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21754] write(3, "1000", 4)         = 4
[pid 21754] close(3)                    = 0
[pid 21754] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21754] write(1, "executing program\n", 18) = 18
[pid 21754] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21754] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21754] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21754] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21754] exit_group(0)               = ?
[pid 21754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20910", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20910/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20910/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20910")                        = 0
mkdir("./20911", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21755 attached
, child_tidptr=0x55558cab0650) = 21755
[pid 21755] set_robust_list(0x55558cab0660, 24) = 0
[pid 21755] chdir("./20911")            = 0
[pid 21755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21755] setpgid(0, 0)               = 0
[pid 21755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21755] write(3, "1000", 4)         = 4
[pid 21755] close(3)                    = 0
[pid 21755] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21755] write(1, "executing program\n", 18) = 18
[pid 21755] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21755] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21755] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21755] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21755] exit_group(0)               = ?
[pid 21755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20911", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20911/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20911/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20911")                        = 0
mkdir("./20912", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21756
./strace-static-x86_64: Process 21756 attached
[pid 21756] set_robust_list(0x55558cab0660, 24) = 0
[pid 21756] chdir("./20912")            = 0
[pid 21756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21756] setpgid(0, 0)               = 0
[pid 21756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21756] write(3, "1000", 4)         = 4
[pid 21756] close(3)                    = 0
[pid 21756] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21756] write(1, "executing program\n", 18) = 18
[pid 21756] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21756] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21756] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21756] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21756] exit_group(0)               = ?
[pid 21756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20912", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20912/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20912/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20912")                        = 0
mkdir("./20913", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21757
./strace-static-x86_64: Process 21757 attached
[pid 21757] set_robust_list(0x55558cab0660, 24) = 0
[pid 21757] chdir("./20913")            = 0
[pid 21757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21757] setpgid(0, 0)               = 0
[pid 21757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21757] write(3, "1000", 4)         = 4
[pid 21757] close(3)                    = 0
[pid 21757] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21757] write(1, "executing program\n", 18executing program
) = 18
[pid 21757] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21757] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21757] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21757] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21757] exit_group(0)               = ?
[pid 21757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20913", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20913/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20913/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20913")                        = 0
mkdir("./20914", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21758
./strace-static-x86_64: Process 21758 attached
[pid 21758] set_robust_list(0x55558cab0660, 24) = 0
[pid 21758] chdir("./20914")            = 0
[pid 21758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21758] setpgid(0, 0)               = 0
[pid 21758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21758] write(3, "1000", 4)         = 4
[pid 21758] close(3)                    = 0
[pid 21758] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21758] write(1, "executing program\n", 18) = 18
[pid 21758] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21758] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21758] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21758] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21758] exit_group(0)               = ?
[pid 21758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20914", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20914/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20914/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20914")                        = 0
mkdir("./20915", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21759
./strace-static-x86_64: Process 21759 attached
[pid 21759] set_robust_list(0x55558cab0660, 24) = 0
[pid 21759] chdir("./20915")            = 0
[pid 21759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21759] setpgid(0, 0)               = 0
[pid 21759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21759] write(3, "1000", 4)         = 4
[pid 21759] close(3)                    = 0
[pid 21759] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21759] write(1, "executing program\n", 18) = 18
[pid 21759] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21759] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21759] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21759] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21759] exit_group(0)               = ?
[pid 21759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20915", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20915/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20915/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20915")                        = 0
mkdir("./20916", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21760
./strace-static-x86_64: Process 21760 attached
[pid 21760] set_robust_list(0x55558cab0660, 24) = 0
[pid 21760] chdir("./20916")            = 0
[pid 21760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21760] setpgid(0, 0)               = 0
[pid 21760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21760] write(3, "1000", 4)         = 4
[pid 21760] close(3)                    = 0
[pid 21760] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21760] write(1, "executing program\n", 18executing program
) = 18
[pid 21760] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21760] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21760] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21760] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21760] exit_group(0)               = ?
[pid 21760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20916", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20916/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20916/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20916")                        = 0
mkdir("./20917", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21761
./strace-static-x86_64: Process 21761 attached
[pid 21761] set_robust_list(0x55558cab0660, 24) = 0
[pid 21761] chdir("./20917")            = 0
[pid 21761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21761] setpgid(0, 0)               = 0
[pid 21761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21761] write(3, "1000", 4)         = 4
[pid 21761] close(3)                    = 0
[pid 21761] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21761] write(1, "executing program\n", 18executing program
) = 18
[pid 21761] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21761] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21761] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21761] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21761] exit_group(0)               = ?
[pid 21761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20917", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20917/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20917/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20917")                        = 0
mkdir("./20918", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21762 attached
, child_tidptr=0x55558cab0650) = 21762
[pid 21762] set_robust_list(0x55558cab0660, 24) = 0
[pid 21762] chdir("./20918")            = 0
[pid 21762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21762] setpgid(0, 0)               = 0
[pid 21762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21762] write(3, "1000", 4)         = 4
[pid 21762] close(3)                    = 0
[pid 21762] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21762] write(1, "executing program\n", 18) = 18
[pid 21762] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21762] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21762] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21762] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21762] exit_group(0)               = ?
[pid 21762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20918", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20918/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20918/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20918")                        = 0
mkdir("./20919", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21763
./strace-static-x86_64: Process 21763 attached
[pid 21763] set_robust_list(0x55558cab0660, 24) = 0
[pid 21763] chdir("./20919")            = 0
[pid 21763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21763] setpgid(0, 0)               = 0
[pid 21763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21763] write(3, "1000", 4)         = 4
[pid 21763] close(3)                    = 0
[pid 21763] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21763] write(1, "executing program\n", 18executing program
) = 18
[pid 21763] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21763] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21763] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21763] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21763] exit_group(0)               = ?
[pid 21763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20919", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20919/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20919/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20919")                        = 0
mkdir("./20920", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21764
./strace-static-x86_64: Process 21764 attached
[pid 21764] set_robust_list(0x55558cab0660, 24) = 0
[pid 21764] chdir("./20920")            = 0
[pid 21764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21764] setpgid(0, 0)               = 0
[pid 21764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21764] write(3, "1000", 4)         = 4
[pid 21764] close(3)                    = 0
[pid 21764] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21764] write(1, "executing program\n", 18) = 18
[pid 21764] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21764] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21764] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21764] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21764] exit_group(0)               = ?
[pid 21764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20920", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20920/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20920/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20920")                        = 0
mkdir("./20921", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21765
./strace-static-x86_64: Process 21765 attached
[pid 21765] set_robust_list(0x55558cab0660, 24) = 0
[pid 21765] chdir("./20921")            = 0
[pid 21765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21765] setpgid(0, 0)               = 0
[pid 21765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21765] write(3, "1000", 4)         = 4
[pid 21765] close(3)                    = 0
[pid 21765] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21765] write(1, "executing program\n", 18executing program
) = 18
[pid 21765] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21765] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21765] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21765] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21765] exit_group(0)               = ?
[pid 21765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20921", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20921/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20921/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20921")                        = 0
mkdir("./20922", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21766
./strace-static-x86_64: Process 21766 attached
[pid 21766] set_robust_list(0x55558cab0660, 24) = 0
[pid 21766] chdir("./20922")            = 0
[pid 21766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21766] setpgid(0, 0)               = 0
[pid 21766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21766] write(3, "1000", 4)         = 4
[pid 21766] close(3)                    = 0
[pid 21766] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21766] write(1, "executing program\n", 18) = 18
[pid 21766] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21766] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21766] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21766] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21766] exit_group(0)               = ?
[pid 21766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20922", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20922/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20922/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20922")                        = 0
mkdir("./20923", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21767 attached
, child_tidptr=0x55558cab0650) = 21767
[pid 21767] set_robust_list(0x55558cab0660, 24) = 0
[pid 21767] chdir("./20923")            = 0
[pid 21767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21767] setpgid(0, 0)               = 0
[pid 21767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21767] write(3, "1000", 4)         = 4
[pid 21767] close(3)                    = 0
[pid 21767] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21767] write(1, "executing program\n", 18) = 18
[pid 21767] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21767] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21767] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21767] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21767] exit_group(0)               = ?
[pid 21767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20923", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20923/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20923/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20923")                        = 0
mkdir("./20924", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21768
./strace-static-x86_64: Process 21768 attached
[pid 21768] set_robust_list(0x55558cab0660, 24) = 0
[pid 21768] chdir("./20924")            = 0
[pid 21768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21768] setpgid(0, 0)               = 0
[pid 21768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21768] write(3, "1000", 4)         = 4
[pid 21768] close(3)                    = 0
[pid 21768] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21768] write(1, "executing program\n", 18) = 18
[pid 21768] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21768] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21768] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21768] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21768] exit_group(0)               = ?
[pid 21768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20924", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20924/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20924/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20924")                        = 0
mkdir("./20925", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21769
./strace-static-x86_64: Process 21769 attached
[pid 21769] set_robust_list(0x55558cab0660, 24) = 0
[pid 21769] chdir("./20925")            = 0
[pid 21769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21769] setpgid(0, 0)               = 0
[pid 21769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21769] write(3, "1000", 4)         = 4
[pid 21769] close(3)                    = 0
[pid 21769] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21769] write(1, "executing program\n", 18executing program
) = 18
[pid 21769] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21769] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21769] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21769] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21769] exit_group(0)               = ?
[pid 21769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20925", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20925/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20925/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20925")                        = 0
mkdir("./20926", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21770 attached
, child_tidptr=0x55558cab0650) = 21770
[pid 21770] set_robust_list(0x55558cab0660, 24) = 0
[pid 21770] chdir("./20926")            = 0
[pid 21770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21770] setpgid(0, 0)               = 0
[pid 21770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21770] write(3, "1000", 4)         = 4
[pid 21770] close(3)                    = 0
[pid 21770] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21770] write(1, "executing program\n", 18executing program
) = 18
[pid 21770] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21770] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21770] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21770] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21770] exit_group(0)               = ?
[pid 21770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20926", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20926/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20926/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20926")                        = 0
mkdir("./20927", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21771 attached
, child_tidptr=0x55558cab0650) = 21771
[pid 21771] set_robust_list(0x55558cab0660, 24) = 0
[pid 21771] chdir("./20927")            = 0
[pid 21771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21771] setpgid(0, 0)               = 0
[pid 21771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21771] write(3, "1000", 4)         = 4
[pid 21771] close(3)                    = 0
[pid 21771] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21771] write(1, "executing program\n", 18) = 18
[pid 21771] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21771] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21771] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21771] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21771] exit_group(0)               = ?
[pid 21771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20927", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20927/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20927/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20927")                        = 0
mkdir("./20928", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21772 attached
, child_tidptr=0x55558cab0650) = 21772
[pid 21772] set_robust_list(0x55558cab0660, 24) = 0
[pid 21772] chdir("./20928")            = 0
[pid 21772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21772] setpgid(0, 0)               = 0
[pid 21772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21772] write(3, "1000", 4)         = 4
[pid 21772] close(3)                    = 0
[pid 21772] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21772] write(1, "executing program\n", 18) = 18
[pid 21772] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21772] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21772] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21772] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21772] exit_group(0)               = ?
[pid 21772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20928", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20928/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20928/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20928")                        = 0
mkdir("./20929", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21773
./strace-static-x86_64: Process 21773 attached
[pid 21773] set_robust_list(0x55558cab0660, 24) = 0
[pid 21773] chdir("./20929")            = 0
[pid 21773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21773] setpgid(0, 0)               = 0
[pid 21773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21773] write(3, "1000", 4)         = 4
[pid 21773] close(3)                    = 0
[pid 21773] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21773] write(1, "executing program\n", 18) = 18
[pid 21773] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21773] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21773] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21773] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21773] exit_group(0)               = ?
[pid 21773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20929", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20929/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20929/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20929")                        = 0
mkdir("./20930", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21774 attached
, child_tidptr=0x55558cab0650) = 21774
[pid 21774] set_robust_list(0x55558cab0660, 24) = 0
[pid 21774] chdir("./20930")            = 0
[pid 21774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21774] setpgid(0, 0)               = 0
[pid 21774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21774] write(3, "1000", 4)         = 4
[pid 21774] close(3)                    = 0
[pid 21774] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21774] write(1, "executing program\n", 18) = 18
[pid 21774] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21774] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21774] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21774] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21774] exit_group(0)               = ?
[pid 21774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20930", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20930/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20930/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20930")                        = 0
mkdir("./20931", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21775
./strace-static-x86_64: Process 21775 attached
[pid 21775] set_robust_list(0x55558cab0660, 24) = 0
[pid 21775] chdir("./20931")            = 0
[pid 21775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21775] setpgid(0, 0)               = 0
[pid 21775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21775] write(3, "1000", 4)         = 4
[pid 21775] close(3)                    = 0
[pid 21775] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21775] write(1, "executing program\n", 18) = 18
[pid 21775] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21775] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21775] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21775] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21775] exit_group(0)               = ?
[pid 21775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20931", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20931/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20931/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20931")                        = 0
mkdir("./20932", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21776 attached
, child_tidptr=0x55558cab0650) = 21776
[pid 21776] set_robust_list(0x55558cab0660, 24) = 0
[pid 21776] chdir("./20932")            = 0
[pid 21776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21776] setpgid(0, 0)               = 0
[pid 21776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21776] write(3, "1000", 4)         = 4
[pid 21776] close(3)                    = 0
[pid 21776] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21776] write(1, "executing program\n", 18executing program
) = 18
[pid 21776] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21776] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21776] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21776] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21776] exit_group(0)               = ?
[pid 21776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20932", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20932/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20932/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20932")                        = 0
mkdir("./20933", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21777
./strace-static-x86_64: Process 21777 attached
[pid 21777] set_robust_list(0x55558cab0660, 24) = 0
[pid 21777] chdir("./20933")            = 0
[pid 21777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21777] setpgid(0, 0)               = 0
[pid 21777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21777] write(3, "1000", 4)         = 4
[pid 21777] close(3)                    = 0
[pid 21777] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21777] write(1, "executing program\n", 18) = 18
[pid 21777] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21777] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21777] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21777] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21777] exit_group(0)               = ?
[pid 21777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20933", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20933/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20933/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20933")                        = 0
mkdir("./20934", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21779
./strace-static-x86_64: Process 21779 attached
[pid 21779] set_robust_list(0x55558cab0660, 24) = 0
[pid 21779] chdir("./20934")            = 0
[pid 21779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21779] setpgid(0, 0)               = 0
[pid 21779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21779] write(3, "1000", 4)         = 4
[pid 21779] close(3)                    = 0
[pid 21779] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21779] write(1, "executing program\n", 18) = 18
[pid 21779] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21779] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21779] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21779] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21779] exit_group(0)               = ?
[pid 21779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20934", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20934/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20934/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20934")                        = 0
mkdir("./20935", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21780 attached
 <unfinished ...>
[pid 21780] set_robust_list(0x55558cab0660, 24) = 0
[pid 21780] chdir("./20935" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21780
[pid 21780] <... chdir resumed>)        = 0
[pid 21780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21780] setpgid(0, 0)               = 0
[pid 21780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21780] write(3, "1000", 4)         = 4
[pid 21780] close(3)                    = 0
[pid 21780] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21780] write(1, "executing program\n", 18) = 18
[pid 21780] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21780] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21780] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21780] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21780] exit_group(0)               = ?
[pid 21780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20935", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20935/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20935/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20935")                        = 0
mkdir("./20936", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21781
./strace-static-x86_64: Process 21781 attached
[pid 21781] set_robust_list(0x55558cab0660, 24) = 0
[pid 21781] chdir("./20936")            = 0
[pid 21781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21781] setpgid(0, 0)               = 0
[pid 21781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21781] write(3, "1000", 4)         = 4
[pid 21781] close(3)                    = 0
[pid 21781] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21781] write(1, "executing program\n", 18executing program
) = 18
[pid 21781] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21781] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21781] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21781] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21781] exit_group(0)               = ?
[pid 21781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20936", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20936/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20936/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20936")                        = 0
mkdir("./20937", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21782
./strace-static-x86_64: Process 21782 attached
[pid 21782] set_robust_list(0x55558cab0660, 24) = 0
[pid 21782] chdir("./20937")            = 0
[pid 21782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21782] setpgid(0, 0)               = 0
[pid 21782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21782] write(3, "1000", 4)         = 4
[pid 21782] close(3)                    = 0
[pid 21782] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21782] write(1, "executing program\n", 18) = 18
[pid 21782] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21782] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21782] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21782] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21782] exit_group(0)               = ?
[pid 21782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20937", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20937/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20937/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20937")                        = 0
mkdir("./20938", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21783
./strace-static-x86_64: Process 21783 attached
[pid 21783] set_robust_list(0x55558cab0660, 24) = 0
[pid 21783] chdir("./20938")            = 0
[pid 21783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21783] setpgid(0, 0)               = 0
[pid 21783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21783] write(3, "1000", 4)         = 4
[pid 21783] close(3)                    = 0
[pid 21783] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21783] write(1, "executing program\n", 18) = 18
[pid 21783] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21783] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21783] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21783] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21783] exit_group(0)               = ?
[pid 21783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20938", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20938/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20938/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20938")                        = 0
mkdir("./20939", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21784
./strace-static-x86_64: Process 21784 attached
[pid 21784] set_robust_list(0x55558cab0660, 24) = 0
[pid 21784] chdir("./20939")            = 0
[pid 21784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21784] setpgid(0, 0)               = 0
[pid 21784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21784] write(3, "1000", 4)         = 4
[pid 21784] close(3)                    = 0
[pid 21784] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21784] write(1, "executing program\n", 18executing program
) = 18
[pid 21784] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21784] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21784] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21784] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21784] exit_group(0)               = ?
[pid 21784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20939", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20939/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20939/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20939")                        = 0
mkdir("./20940", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21785 attached
, child_tidptr=0x55558cab0650) = 21785
[pid 21785] set_robust_list(0x55558cab0660, 24) = 0
[pid 21785] chdir("./20940")            = 0
[pid 21785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21785] setpgid(0, 0)               = 0
[pid 21785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21785] write(3, "1000", 4)         = 4
[pid 21785] close(3)                    = 0
[pid 21785] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21785] write(1, "executing program\n", 18) = 18
[pid 21785] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21785] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21785] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21785] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21785] exit_group(0)               = ?
[pid 21785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20940", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20940/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20940/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20940")                        = 0
mkdir("./20941", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21786
./strace-static-x86_64: Process 21786 attached
[pid 21786] set_robust_list(0x55558cab0660, 24) = 0
[pid 21786] chdir("./20941")            = 0
[pid 21786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21786] setpgid(0, 0)               = 0
[pid 21786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21786] write(3, "1000", 4)         = 4
[pid 21786] close(3)                    = 0
[pid 21786] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21786] write(1, "executing program\n", 18executing program
) = 18
[pid 21786] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21786] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21786] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21786] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21786] exit_group(0)               = ?
[pid 21786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20941", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20941/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20941/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20941")                        = 0
mkdir("./20942", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21787
./strace-static-x86_64: Process 21787 attached
[pid 21787] set_robust_list(0x55558cab0660, 24) = 0
[pid 21787] chdir("./20942")            = 0
[pid 21787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21787] setpgid(0, 0)               = 0
[pid 21787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21787] write(3, "1000", 4)         = 4
[pid 21787] close(3)                    = 0
[pid 21787] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21787] write(1, "executing program\n", 18executing program
) = 18
[pid 21787] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21787] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21787] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21787] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21787] exit_group(0)               = ?
[pid 21787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20942", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20942/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20942/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20942")                        = 0
mkdir("./20943", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21788 attached
, child_tidptr=0x55558cab0650) = 21788
[pid 21788] set_robust_list(0x55558cab0660, 24) = 0
[pid 21788] chdir("./20943")            = 0
[pid 21788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21788] setpgid(0, 0)               = 0
[pid 21788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21788] write(3, "1000", 4)         = 4
[pid 21788] close(3)                    = 0
[pid 21788] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21788] write(1, "executing program\n", 18) = 18
[pid 21788] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21788] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21788] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21788] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21788] exit_group(0)               = ?
[pid 21788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20943", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20943/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20943/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20943")                        = 0
mkdir("./20944", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21789
./strace-static-x86_64: Process 21789 attached
[pid 21789] set_robust_list(0x55558cab0660, 24) = 0
[pid 21789] chdir("./20944")            = 0
[pid 21789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21789] setpgid(0, 0)               = 0
[pid 21789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21789] write(3, "1000", 4)         = 4
[pid 21789] close(3)                    = 0
[pid 21789] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21789] write(1, "executing program\n", 18executing program
) = 18
[pid 21789] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21789] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21789] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21789] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21789] exit_group(0)               = ?
[pid 21789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20944", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20944/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20944/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20944")                        = 0
mkdir("./20945", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21790
./strace-static-x86_64: Process 21790 attached
[pid 21790] set_robust_list(0x55558cab0660, 24) = 0
[pid 21790] chdir("./20945")            = 0
[pid 21790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21790] setpgid(0, 0)               = 0
[pid 21790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21790] write(3, "1000", 4)         = 4
[pid 21790] close(3)                    = 0
[pid 21790] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21790] write(1, "executing program\n", 18) = 18
[pid 21790] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21790] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21790] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21790] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21790] exit_group(0)               = ?
[pid 21790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20945", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20945/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20945/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20945")                        = 0
mkdir("./20946", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21791 attached
 <unfinished ...>
[pid 21791] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21791
[pid 21791] chdir("./20946")            = 0
[pid 21791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21791] setpgid(0, 0)               = 0
[pid 21791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21791] write(3, "1000", 4)         = 4
[pid 21791] close(3)                    = 0
[pid 21791] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21791] write(1, "executing program\n", 18) = 18
[pid 21791] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21791] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21791] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21791] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21791] exit_group(0)               = ?
[pid 21791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20946", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20946/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20946/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20946")                        = 0
mkdir("./20947", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21792
./strace-static-x86_64: Process 21792 attached
[pid 21792] set_robust_list(0x55558cab0660, 24) = 0
[pid 21792] chdir("./20947")            = 0
[pid 21792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21792] setpgid(0, 0)               = 0
[pid 21792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21792] write(3, "1000", 4)         = 4
[pid 21792] close(3)                    = 0
[pid 21792] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21792] write(1, "executing program\n", 18) = 18
[pid 21792] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21792] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21792] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21792] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21792] exit_group(0)               = ?
[pid 21792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20947", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20947/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20947/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20947")                        = 0
mkdir("./20948", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21793
./strace-static-x86_64: Process 21793 attached
[pid 21793] set_robust_list(0x55558cab0660, 24) = 0
[pid 21793] chdir("./20948")            = 0
[pid 21793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21793] setpgid(0, 0)               = 0
[pid 21793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21793] write(3, "1000", 4)         = 4
[pid 21793] close(3)                    = 0
[pid 21793] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21793] write(1, "executing program\n", 18executing program
) = 18
[pid 21793] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21793] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21793] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21793] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21793] exit_group(0)               = ?
[pid 21793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20948", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20948/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20948/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20948")                        = 0
mkdir("./20949", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21794
./strace-static-x86_64: Process 21794 attached
[pid 21794] set_robust_list(0x55558cab0660, 24) = 0
[pid 21794] chdir("./20949")            = 0
[pid 21794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21794] setpgid(0, 0)               = 0
[pid 21794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21794] write(3, "1000", 4)         = 4
[pid 21794] close(3)                    = 0
[pid 21794] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21794] write(1, "executing program\n", 18executing program
) = 18
[pid 21794] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21794] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21794] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21794] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21794] exit_group(0)               = ?
[pid 21794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20949", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20949/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20949/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20949")                        = 0
mkdir("./20950", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21795
./strace-static-x86_64: Process 21795 attached
[pid 21795] set_robust_list(0x55558cab0660, 24) = 0
[pid 21795] chdir("./20950")            = 0
[pid 21795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21795] setpgid(0, 0)               = 0
[pid 21795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21795] write(3, "1000", 4)         = 4
[pid 21795] close(3)                    = 0
[pid 21795] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21795] write(1, "executing program\n", 18) = 18
[pid 21795] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21795] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21795] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21795] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21795] exit_group(0)               = ?
[pid 21795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20950", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20950/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20950/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20950")                        = 0
mkdir("./20951", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21796 attached
, child_tidptr=0x55558cab0650) = 21796
[pid 21796] set_robust_list(0x55558cab0660, 24) = 0
[pid 21796] chdir("./20951")            = 0
[pid 21796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21796] setpgid(0, 0)               = 0
[pid 21796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21796] write(3, "1000", 4)         = 4
[pid 21796] close(3)                    = 0
[pid 21796] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21796] write(1, "executing program\n", 18executing program
) = 18
[pid 21796] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21796] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21796] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21796] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21796] exit_group(0)               = ?
[pid 21796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20951", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20951/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20951/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20951")                        = 0
mkdir("./20952", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21797
./strace-static-x86_64: Process 21797 attached
[pid 21797] set_robust_list(0x55558cab0660, 24) = 0
[pid 21797] chdir("./20952")            = 0
[pid 21797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21797] setpgid(0, 0)               = 0
[pid 21797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21797] write(3, "1000", 4)         = 4
[pid 21797] close(3)                    = 0
[pid 21797] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21797] write(1, "executing program\n", 18executing program
) = 18
[pid 21797] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21797] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21797] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21797] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21797] exit_group(0)               = ?
[pid 21797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20952", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20952/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20952/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20952")                        = 0
mkdir("./20953", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21798
./strace-static-x86_64: Process 21798 attached
[pid 21798] set_robust_list(0x55558cab0660, 24) = 0
[pid 21798] chdir("./20953")            = 0
[pid 21798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21798] setpgid(0, 0)               = 0
[pid 21798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21798] write(3, "1000", 4)         = 4
[pid 21798] close(3)                    = 0
[pid 21798] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21798] write(1, "executing program\n", 18) = 18
[pid 21798] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21798] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21798] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21798] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21798] exit_group(0)               = ?
[pid 21798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20953", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20953/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20953/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20953")                        = 0
mkdir("./20954", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21799 attached
, child_tidptr=0x55558cab0650) = 21799
[pid 21799] set_robust_list(0x55558cab0660, 24) = 0
[pid 21799] chdir("./20954")            = 0
[pid 21799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21799] setpgid(0, 0)               = 0
[pid 21799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21799] write(3, "1000", 4)         = 4
[pid 21799] close(3)                    = 0
[pid 21799] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21799] write(1, "executing program\n", 18) = 18
[pid 21799] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21799] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21799] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21799] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21799] exit_group(0)               = ?
[pid 21799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20954", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20954/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20954/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20954")                        = 0
mkdir("./20955", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21800 attached
, child_tidptr=0x55558cab0650) = 21800
[pid 21800] set_robust_list(0x55558cab0660, 24) = 0
[pid 21800] chdir("./20955")            = 0
[pid 21800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21800] setpgid(0, 0)               = 0
[pid 21800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21800] write(3, "1000", 4)         = 4
[pid 21800] close(3)                    = 0
[pid 21800] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21800] write(1, "executing program\n", 18executing program
) = 18
[pid 21800] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21800] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21800] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21800] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21800] exit_group(0)               = ?
[pid 21800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20955", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20955/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20955/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20955")                        = 0
mkdir("./20956", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21801 attached
, child_tidptr=0x55558cab0650) = 21801
[pid 21801] set_robust_list(0x55558cab0660, 24) = 0
[pid 21801] chdir("./20956")            = 0
[pid 21801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21801] setpgid(0, 0)               = 0
[pid 21801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21801] write(3, "1000", 4)         = 4
[pid 21801] close(3)                    = 0
[pid 21801] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21801] write(1, "executing program\n", 18) = 18
[pid 21801] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21801] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21801] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21801] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21801] exit_group(0)               = ?
[pid 21801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20956", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20956/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20956/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20956")                        = 0
mkdir("./20957", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21802 attached
, child_tidptr=0x55558cab0650) = 21802
[pid 21802] set_robust_list(0x55558cab0660, 24) = 0
[pid 21802] chdir("./20957")            = 0
[pid 21802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21802] setpgid(0, 0)               = 0
[pid 21802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21802] write(3, "1000", 4)         = 4
[pid 21802] close(3)                    = 0
[pid 21802] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21802] write(1, "executing program\n", 18executing program
) = 18
[pid 21802] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21802] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21802] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21802] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21802] exit_group(0)               = ?
[pid 21802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20957", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20957/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20957/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20957")                        = 0
mkdir("./20958", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21803 attached
, child_tidptr=0x55558cab0650) = 21803
[pid 21803] set_robust_list(0x55558cab0660, 24) = 0
[pid 21803] chdir("./20958")            = 0
[pid 21803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21803] setpgid(0, 0)               = 0
[pid 21803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21803] write(3, "1000", 4)         = 4
[pid 21803] close(3)                    = 0
[pid 21803] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21803] write(1, "executing program\n", 18) = 18
[pid 21803] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21803] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21803] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21803] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21803] exit_group(0)               = ?
[pid 21803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20958", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20958/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20958/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20958")                        = 0
mkdir("./20959", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21804
./strace-static-x86_64: Process 21804 attached
[pid 21804] set_robust_list(0x55558cab0660, 24) = 0
[pid 21804] chdir("./20959")            = 0
[pid 21804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21804] setpgid(0, 0)               = 0
[pid 21804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21804] write(3, "1000", 4)         = 4
[pid 21804] close(3)                    = 0
[pid 21804] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21804] write(1, "executing program\n", 18) = 18
[pid 21804] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21804] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21804] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21804] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21804] exit_group(0)               = ?
[pid 21804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20959", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20959/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20959/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20959")                        = 0
mkdir("./20960", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21805
./strace-static-x86_64: Process 21805 attached
[pid 21805] set_robust_list(0x55558cab0660, 24) = 0
[pid 21805] chdir("./20960")            = 0
[pid 21805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21805] setpgid(0, 0)               = 0
[pid 21805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21805] write(3, "1000", 4)         = 4
[pid 21805] close(3)                    = 0
[pid 21805] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21805] write(1, "executing program\n", 18executing program
) = 18
[pid 21805] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21805] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21805] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21805] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21805] exit_group(0)               = ?
[pid 21805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20960", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20960/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20960/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20960")                        = 0
mkdir("./20961", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21806
./strace-static-x86_64: Process 21806 attached
[pid 21806] set_robust_list(0x55558cab0660, 24) = 0
[pid 21806] chdir("./20961")            = 0
[pid 21806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21806] setpgid(0, 0)               = 0
[pid 21806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21806] write(3, "1000", 4)         = 4
[pid 21806] close(3)                    = 0
[pid 21806] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21806] write(1, "executing program\n", 18) = 18
[pid 21806] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21806] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21806] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21806] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21806] exit_group(0)               = ?
[pid 21806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21806, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20961", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20961/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20961/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20961")                        = 0
mkdir("./20962", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21807 attached
, child_tidptr=0x55558cab0650) = 21807
[pid 21807] set_robust_list(0x55558cab0660, 24) = 0
[pid 21807] chdir("./20962")            = 0
[pid 21807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21807] setpgid(0, 0)               = 0
[pid 21807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21807] write(3, "1000", 4)         = 4
[pid 21807] close(3)                    = 0
[pid 21807] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21807] write(1, "executing program\n", 18) = 18
[pid 21807] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21807] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21807] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21807] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21807] exit_group(0)               = ?
[pid 21807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20962", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20962/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20962/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20962")                        = 0
mkdir("./20963", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21808 attached
, child_tidptr=0x55558cab0650) = 21808
[pid 21808] set_robust_list(0x55558cab0660, 24) = 0
[pid 21808] chdir("./20963")            = 0
[pid 21808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21808] setpgid(0, 0)               = 0
[pid 21808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21808] write(3, "1000", 4)         = 4
[pid 21808] close(3)                    = 0
[pid 21808] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21808] write(1, "executing program\n", 18executing program
) = 18
[pid 21808] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21808] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21808] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21808] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21808] exit_group(0)               = ?
[pid 21808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20963", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20963/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20963/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20963")                        = 0
mkdir("./20964", 0777executing program
)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21809 attached
, child_tidptr=0x55558cab0650) = 21809
[pid 21809] set_robust_list(0x55558cab0660, 24) = 0
[pid 21809] chdir("./20964")            = 0
[pid 21809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21809] setpgid(0, 0)               = 0
[pid 21809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21809] write(3, "1000", 4)         = 4
[pid 21809] close(3)                    = 0
[pid 21809] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21809] write(1, "executing program\n", 18) = 18
[pid 21809] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21809] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21809] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21809] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21809] exit_group(0)               = ?
[pid 21809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20964", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20964/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20964/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20964")                        = 0
mkdir("./20965", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21810 attached
, child_tidptr=0x55558cab0650) = 21810
[pid 21810] set_robust_list(0x55558cab0660, 24) = 0
[pid 21810] chdir("./20965")            = 0
[pid 21810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21810] setpgid(0, 0)               = 0
[pid 21810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21810] write(3, "1000", 4)         = 4
[pid 21810] close(3)                    = 0
[pid 21810] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21810] write(1, "executing program\n", 18) = 18
[pid 21810] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21810] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21810] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21810] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21810] exit_group(0)               = ?
[pid 21810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20965", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20965/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20965/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20965")                        = 0
mkdir("./20966", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21811
./strace-static-x86_64: Process 21811 attached
[pid 21811] set_robust_list(0x55558cab0660, 24) = 0
[pid 21811] chdir("./20966")            = 0
[pid 21811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21811] setpgid(0, 0)               = 0
[pid 21811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21811] write(3, "1000", 4)         = 4
[pid 21811] close(3)                    = 0
[pid 21811] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21811] write(1, "executing program\n", 18) = 18
[pid 21811] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21811] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21811] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21811] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21811] exit_group(0)               = ?
[pid 21811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20966", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20966/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20966/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20966")                        = 0
mkdir("./20967", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21812
./strace-static-x86_64: Process 21812 attached
[pid 21812] set_robust_list(0x55558cab0660, 24) = 0
[pid 21812] chdir("./20967")            = 0
[pid 21812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21812] setpgid(0, 0)               = 0
[pid 21812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21812] write(3, "1000", 4)         = 4
[pid 21812] close(3)                    = 0
[pid 21812] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21812] write(1, "executing program\n", 18executing program
) = 18
[pid 21812] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21812] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21812] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21812] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21812] exit_group(0)               = ?
[pid 21812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20967", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20967/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20967/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20967")                        = 0
mkdir("./20968", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21813
./strace-static-x86_64: Process 21813 attached
[pid 21813] set_robust_list(0x55558cab0660, 24) = 0
[pid 21813] chdir("./20968")            = 0
[pid 21813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21813] setpgid(0, 0)               = 0
[pid 21813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21813] write(3, "1000", 4)         = 4
[pid 21813] close(3)                    = 0
[pid 21813] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21813] write(1, "executing program\n", 18executing program
) = 18
[pid 21813] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21813] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21813] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21813] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21813] exit_group(0)               = ?
[pid 21813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20968", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20968/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20968/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20968")                        = 0
mkdir("./20969", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21814
./strace-static-x86_64: Process 21814 attached
[pid 21814] set_robust_list(0x55558cab0660, 24) = 0
[pid 21814] chdir("./20969")            = 0
[pid 21814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21814] setpgid(0, 0)               = 0
[pid 21814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21814] write(3, "1000", 4)         = 4
[pid 21814] close(3)                    = 0
[pid 21814] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21814] write(1, "executing program\n", 18executing program
) = 18
[pid 21814] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21814] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21814] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21814] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21814] exit_group(0)               = ?
[pid 21814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20969", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20969/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20969/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20969")                        = 0
mkdir("./20970", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21815
./strace-static-x86_64: Process 21815 attached
[pid 21815] set_robust_list(0x55558cab0660, 24) = 0
[pid 21815] chdir("./20970")            = 0
[pid 21815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21815] setpgid(0, 0)               = 0
[pid 21815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21815] write(3, "1000", 4)         = 4
[pid 21815] close(3)                    = 0
[pid 21815] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21815] write(1, "executing program\n", 18executing program
) = 18
[pid 21815] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21815] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21815] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21815] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21815] exit_group(0)               = ?
[pid 21815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20970", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20970/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20970/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20970")                        = 0
mkdir("./20971", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21816
./strace-static-x86_64: Process 21816 attached
[pid 21816] set_robust_list(0x55558cab0660, 24) = 0
[pid 21816] chdir("./20971")            = 0
[pid 21816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21816] setpgid(0, 0)               = 0
[pid 21816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21816] write(3, "1000", 4)         = 4
[pid 21816] close(3)                    = 0
[pid 21816] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21816] write(1, "executing program\n", 18) = 18
[pid 21816] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21816] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21816] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21816] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21816] exit_group(0)               = ?
[pid 21816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20971", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20971/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20971/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20971")                        = 0
mkdir("./20972", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21817
./strace-static-x86_64: Process 21817 attached
[pid 21817] set_robust_list(0x55558cab0660, 24) = 0
[pid 21817] chdir("./20972")            = 0
[pid 21817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21817] setpgid(0, 0)               = 0
[pid 21817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21817] write(3, "1000", 4)         = 4
[pid 21817] close(3)                    = 0
[pid 21817] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21817] write(1, "executing program\n", 18) = 18
[pid 21817] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21817] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21817] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21817] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21817] exit_group(0)               = ?
[pid 21817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20972", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20972/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20972/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20972")                        = 0
mkdir("./20973", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21818 attached
, child_tidptr=0x55558cab0650) = 21818
[pid 21818] set_robust_list(0x55558cab0660, 24) = 0
[pid 21818] chdir("./20973")            = 0
[pid 21818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21818] setpgid(0, 0)               = 0
[pid 21818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21818] write(3, "1000", 4)         = 4
[pid 21818] close(3)                    = 0
[pid 21818] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21818] write(1, "executing program\n", 18) = 18
[pid 21818] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21818] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21818] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21818] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21818] exit_group(0)               = ?
[pid 21818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20973", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20973/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20973/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20973")                        = 0
mkdir("./20974", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21819 attached
, child_tidptr=0x55558cab0650) = 21819
[pid 21819] set_robust_list(0x55558cab0660, 24) = 0
[pid 21819] chdir("./20974")            = 0
[pid 21819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21819] setpgid(0, 0)               = 0
[pid 21819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21819] write(3, "1000", 4)         = 4
[pid 21819] close(3)                    = 0
[pid 21819] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21819] write(1, "executing program\n", 18) = 18
[pid 21819] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21819] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21819] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21819] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21819] exit_group(0)               = ?
[pid 21819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20974", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20974/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20974/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20974")                        = 0
mkdir("./20975", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21820
./strace-static-x86_64: Process 21820 attached
[pid 21820] set_robust_list(0x55558cab0660, 24) = 0
[pid 21820] chdir("./20975")            = 0
[pid 21820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21820] setpgid(0, 0)               = 0
[pid 21820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21820] write(3, "1000", 4)         = 4
[pid 21820] close(3)                    = 0
[pid 21820] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21820] write(1, "executing program\n", 18) = 18
[pid 21820] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21820] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21820] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21820] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21820] exit_group(0)               = ?
[pid 21820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20975", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20975/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20975/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20975")                        = 0
mkdir("./20976", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21821 attached
, child_tidptr=0x55558cab0650) = 21821
[pid 21821] set_robust_list(0x55558cab0660, 24) = 0
[pid 21821] chdir("./20976")            = 0
[pid 21821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21821] setpgid(0, 0)               = 0
[pid 21821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21821] write(3, "1000", 4)         = 4
[pid 21821] close(3)                    = 0
[pid 21821] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21821] write(1, "executing program\n", 18) = 18
[pid 21821] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21821] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21821] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21821] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21821] exit_group(0)               = ?
[pid 21821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20976", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20976/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20976/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20976")                        = 0
mkdir("./20977", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21822
./strace-static-x86_64: Process 21822 attached
[pid 21822] set_robust_list(0x55558cab0660, 24) = 0
[pid 21822] chdir("./20977")            = 0
[pid 21822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21822] setpgid(0, 0)               = 0
[pid 21822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21822] write(3, "1000", 4)         = 4
[pid 21822] close(3)                    = 0
[pid 21822] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21822] write(1, "executing program\n", 18executing program
) = 18
[pid 21822] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21822] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21822] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21822] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21822] exit_group(0)               = ?
[pid 21822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20977", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20977/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20977/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20977")                        = 0
mkdir("./20978", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21823
./strace-static-x86_64: Process 21823 attached
[pid 21823] set_robust_list(0x55558cab0660, 24) = 0
[pid 21823] chdir("./20978")            = 0
[pid 21823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21823] setpgid(0, 0)               = 0
[pid 21823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21823] write(3, "1000", 4)         = 4
[pid 21823] close(3)                    = 0
[pid 21823] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21823] write(1, "executing program\n", 18) = 18
[pid 21823] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21823] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21823] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21823] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21823] exit_group(0)               = ?
[pid 21823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20978", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20978/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20978/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20978")                        = 0
mkdir("./20979", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21824
./strace-static-x86_64: Process 21824 attached
[pid 21824] set_robust_list(0x55558cab0660, 24) = 0
[pid 21824] chdir("./20979")            = 0
[pid 21824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21824] setpgid(0, 0)               = 0
[pid 21824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21824] write(3, "1000", 4)         = 4
[pid 21824] close(3)                    = 0
[pid 21824] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21824] write(1, "executing program\n", 18executing program
) = 18
[pid 21824] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21824] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21824] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21824] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21824] exit_group(0)               = ?
[pid 21824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20979", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20979/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20979/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20979")                        = 0
mkdir("./20980", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21825
./strace-static-x86_64: Process 21825 attached
[pid 21825] set_robust_list(0x55558cab0660, 24) = 0
[pid 21825] chdir("./20980")            = 0
[pid 21825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21825] setpgid(0, 0)               = 0
[pid 21825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21825] write(3, "1000", 4)         = 4
[pid 21825] close(3)                    = 0
[pid 21825] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21825] write(1, "executing program\n", 18) = 18
[pid 21825] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21825] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21825] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21825] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21825] exit_group(0)               = ?
[pid 21825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20980", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20980/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20980/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20980")                        = 0
mkdir("./20981", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21826 attached
 <unfinished ...>
[pid 21826] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 21826
[pid 21826] chdir("./20981")            = 0
[pid 21826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21826] setpgid(0, 0)               = 0
[pid 21826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21826] write(3, "1000", 4)         = 4
[pid 21826] close(3)                    = 0
[pid 21826] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21826] write(1, "executing program\n", 18) = 18
[pid 21826] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21826] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21826] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21826] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21826] exit_group(0)               = ?
[pid 21826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20981", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20981/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20981/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20981")                        = 0
mkdir("./20982", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21827 attached
, child_tidptr=0x55558cab0650) = 21827
[pid 21827] set_robust_list(0x55558cab0660, 24) = 0
[pid 21827] chdir("./20982")            = 0
[pid 21827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21827] setpgid(0, 0)               = 0
[pid 21827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21827] write(3, "1000", 4)         = 4
[pid 21827] close(3)                    = 0
[pid 21827] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21827] write(1, "executing program\n", 18executing program
) = 18
[pid 21827] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21827] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21827] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21827] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21827] exit_group(0)               = ?
[pid 21827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20982", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20982/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20982/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20982")                        = 0
mkdir("./20983", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21828
./strace-static-x86_64: Process 21828 attached
[pid 21828] set_robust_list(0x55558cab0660, 24) = 0
[pid 21828] chdir("./20983")            = 0
[pid 21828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21828] setpgid(0, 0)               = 0
[pid 21828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21828] write(3, "1000", 4)         = 4
[pid 21828] close(3)                    = 0
[pid 21828] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21828] write(1, "executing program\n", 18executing program
) = 18
[pid 21828] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21828] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21828] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21828] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21828] exit_group(0)               = ?
[pid 21828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20983", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20983/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20983/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20983")                        = 0
mkdir("./20984", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21829 attached
, child_tidptr=0x55558cab0650) = 21829
[pid 21829] set_robust_list(0x55558cab0660, 24) = 0
[pid 21829] chdir("./20984")            = 0
[pid 21829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21829] setpgid(0, 0)               = 0
[pid 21829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21829] write(3, "1000", 4)         = 4
[pid 21829] close(3)                    = 0
[pid 21829] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21829] write(1, "executing program\n", 18executing program
) = 18
[pid 21829] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21829] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21829] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21829] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21829] exit_group(0)               = ?
[pid 21829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20984", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20984/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20984/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20984")                        = 0
mkdir("./20985", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21830 attached
, child_tidptr=0x55558cab0650) = 21830
[pid 21830] set_robust_list(0x55558cab0660, 24) = 0
[pid 21830] chdir("./20985")            = 0
[pid 21830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21830] setpgid(0, 0)               = 0
[pid 21830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21830] write(3, "1000", 4)         = 4
[pid 21830] close(3)                    = 0
[pid 21830] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21830] write(1, "executing program\n", 18) = 18
[pid 21830] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21830] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21830] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21830] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21830] exit_group(0)               = ?
[pid 21830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20985", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20985/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20985/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20985")                        = 0
mkdir("./20986", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21831
./strace-static-x86_64: Process 21831 attached
[pid 21831] set_robust_list(0x55558cab0660, 24) = 0
[pid 21831] chdir("./20986")            = 0
[pid 21831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21831] setpgid(0, 0)               = 0
[pid 21831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21831] write(3, "1000", 4)         = 4
[pid 21831] close(3)                    = 0
[pid 21831] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21831] write(1, "executing program\n", 18) = 18
[pid 21831] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21831] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21831] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21831] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21831] exit_group(0)               = ?
[pid 21831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20986", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20986/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20986/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20986")                        = 0
mkdir("./20987", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21832
./strace-static-x86_64: Process 21832 attached
[pid 21832] set_robust_list(0x55558cab0660, 24) = 0
[pid 21832] chdir("./20987")            = 0
[pid 21832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21832] setpgid(0, 0)               = 0
[pid 21832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21832] write(3, "1000", 4)         = 4
[pid 21832] close(3)                    = 0
[pid 21832] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21832] write(1, "executing program\n", 18) = 18
[pid 21832] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21832] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21832] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21832] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21832] exit_group(0)               = ?
[pid 21832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20987", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20987/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20987/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20987")                        = 0
mkdir("./20988", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21833 attached
, child_tidptr=0x55558cab0650) = 21833
[pid 21833] set_robust_list(0x55558cab0660, 24) = 0
[pid 21833] chdir("./20988")            = 0
[pid 21833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21833] setpgid(0, 0)               = 0
[pid 21833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21833] write(3, "1000", 4)         = 4
[pid 21833] close(3)                    = 0
[pid 21833] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21833] write(1, "executing program\n", 18) = 18
[pid 21833] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21833] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21833] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21833] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21833] exit_group(0)               = ?
[pid 21833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20988", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20988/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20988/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20988")                        = 0
mkdir("./20989", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21834 attached
, child_tidptr=0x55558cab0650) = 21834
[pid 21834] set_robust_list(0x55558cab0660, 24) = 0
[pid 21834] chdir("./20989")            = 0
[pid 21834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21834] setpgid(0, 0)               = 0
[pid 21834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21834] write(3, "1000", 4)         = 4
[pid 21834] close(3)                    = 0
[pid 21834] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21834] write(1, "executing program\n", 18) = 18
[pid 21834] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21834] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21834] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21834] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21834] exit_group(0)               = ?
[pid 21834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20989", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20989/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20989/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20989")                        = 0
mkdir("./20990", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21835
./strace-static-x86_64: Process 21835 attached
[pid 21835] set_robust_list(0x55558cab0660, 24) = 0
[pid 21835] chdir("./20990")            = 0
[pid 21835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21835] setpgid(0, 0)               = 0
[pid 21835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21835] write(3, "1000", 4)         = 4
[pid 21835] close(3)                    = 0
[pid 21835] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21835] write(1, "executing program\n", 18) = 18
[pid 21835] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21835] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21835] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21835] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21835] exit_group(0)               = ?
[pid 21835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20990", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20990/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20990/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20990")                        = 0
mkdir("./20991", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21836 attached
, child_tidptr=0x55558cab0650) = 21836
[pid 21836] set_robust_list(0x55558cab0660, 24) = 0
[pid 21836] chdir("./20991")            = 0
[pid 21836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21836] setpgid(0, 0)               = 0
[pid 21836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21836] write(3, "1000", 4)         = 4
[pid 21836] close(3)                    = 0
[pid 21836] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21836] write(1, "executing program\n", 18executing program
) = 18
[pid 21836] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21836] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21836] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21836] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21836] exit_group(0)               = ?
[pid 21836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20991", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20991/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20991/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20991")                        = 0
mkdir("./20992", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21837
./strace-static-x86_64: Process 21837 attached
[pid 21837] set_robust_list(0x55558cab0660, 24) = 0
[pid 21837] chdir("./20992")            = 0
[pid 21837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21837] setpgid(0, 0)               = 0
[pid 21837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21837] write(3, "1000", 4)         = 4
[pid 21837] close(3)                    = 0
[pid 21837] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21837] write(1, "executing program\n", 18) = 18
[pid 21837] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21837] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21837] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21837] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21837] exit_group(0)               = ?
[pid 21837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20992", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20992/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20992/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20992")                        = 0
mkdir("./20993", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21838 attached
, child_tidptr=0x55558cab0650) = 21838
[pid 21838] set_robust_list(0x55558cab0660, 24) = 0
[pid 21838] chdir("./20993")            = 0
[pid 21838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21838] setpgid(0, 0)               = 0
[pid 21838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21838] write(3, "1000", 4)         = 4
[pid 21838] close(3)                    = 0
[pid 21838] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21838] write(1, "executing program\n", 18) = 18
[pid 21838] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21838] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21838] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21838] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21838] exit_group(0)               = ?
[pid 21838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20993", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20993/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20993/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20993")                        = 0
mkdir("./20994", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21839
./strace-static-x86_64: Process 21839 attached
[pid 21839] set_robust_list(0x55558cab0660, 24) = 0
[pid 21839] chdir("./20994")            = 0
[pid 21839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21839] setpgid(0, 0)               = 0
[pid 21839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21839] write(3, "1000", 4)         = 4
[pid 21839] close(3)                    = 0
[pid 21839] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21839] write(1, "executing program\n", 18executing program
) = 18
[pid 21839] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21839] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21839] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21839] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21839] exit_group(0)               = ?
[pid 21839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20994", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20994/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20994/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20994")                        = 0
mkdir("./20995", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21840 attached
, child_tidptr=0x55558cab0650) = 21840
[pid 21840] set_robust_list(0x55558cab0660, 24) = 0
[pid 21840] chdir("./20995")            = 0
[pid 21840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21840] setpgid(0, 0)               = 0
[pid 21840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21840] write(3, "1000", 4)         = 4
[pid 21840] close(3)                    = 0
[pid 21840] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21840] write(1, "executing program\n", 18) = 18
[pid 21840] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21840] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21840] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21840] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21840] exit_group(0)               = ?
[pid 21840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20995", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20995", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20995/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20995/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20995/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20995")                        = 0
mkdir("./20996", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21841 attached
, child_tidptr=0x55558cab0650) = 21841
[pid 21841] set_robust_list(0x55558cab0660, 24) = 0
[pid 21841] chdir("./20996")            = 0
[pid 21841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21841] setpgid(0, 0)               = 0
[pid 21841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21841] write(3, "1000", 4)         = 4
[pid 21841] close(3)                    = 0
[pid 21841] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21841] write(1, "executing program\n", 18executing program
) = 18
[pid 21841] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21841] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21841] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21841] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21841] exit_group(0)               = ?
[pid 21841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20996", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20996", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20996/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20996/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20996/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20996")                        = 0
mkdir("./20997", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21842 attached
, child_tidptr=0x55558cab0650) = 21842
[pid 21842] set_robust_list(0x55558cab0660, 24) = 0
[pid 21842] chdir("./20997")            = 0
[pid 21842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21842] setpgid(0, 0)               = 0
[pid 21842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21842] write(3, "1000", 4)         = 4
[pid 21842] close(3)                    = 0
[pid 21842] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21842] write(1, "executing program\n", 18) = 18
[pid 21842] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21842] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21842] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21842] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21842] exit_group(0)               = ?
[pid 21842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20997", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20997", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20997/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20997/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20997/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20997")                        = 0
mkdir("./20998", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21843
./strace-static-x86_64: Process 21843 attached
[pid 21843] set_robust_list(0x55558cab0660, 24) = 0
[pid 21843] chdir("./20998")            = 0
[pid 21843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21843] setpgid(0, 0)               = 0
[pid 21843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21843] write(3, "1000", 4)         = 4
[pid 21843] close(3)                    = 0
[pid 21843] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21843] write(1, "executing program\n", 18) = 18
[pid 21843] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21843] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21843] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21843] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21843] exit_group(0)               = ?
[pid 21843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20998", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20998", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20998/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20998/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20998/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20998")                        = 0
mkdir("./20999", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21844 attached
, child_tidptr=0x55558cab0650) = 21844
[pid 21844] set_robust_list(0x55558cab0660, 24) = 0
[pid 21844] chdir("./20999")            = 0
[pid 21844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21844] setpgid(0, 0)               = 0
[pid 21844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21844] write(3, "1000", 4)         = 4
[pid 21844] close(3)                    = 0
[pid 21844] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21844] write(1, "executing program\n", 18) = 18
[pid 21844] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21844] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21844] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21844] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21844] exit_group(0)               = ?
[pid 21844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20999", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20999", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./20999/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20999/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20999/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20999")                        = 0
mkdir("./21000", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21845
./strace-static-x86_64: Process 21845 attached
[pid 21845] set_robust_list(0x55558cab0660, 24) = 0
[pid 21845] chdir("./21000")            = 0
[pid 21845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21845] setpgid(0, 0)               = 0
[pid 21845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21845] write(3, "1000", 4)         = 4
[pid 21845] close(3)                    = 0
[pid 21845] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21845] write(1, "executing program\n", 18) = 18
[pid 21845] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21845] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21845] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21845] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21845] exit_group(0)               = ?
[pid 21845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21000", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21000", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21000/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21000/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21000/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21000")                        = 0
mkdir("./21001", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21846 attached
, child_tidptr=0x55558cab0650) = 21846
[pid 21846] set_robust_list(0x55558cab0660, 24) = 0
[pid 21846] chdir("./21001")            = 0
[pid 21846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21846] setpgid(0, 0)               = 0
[pid 21846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21846] write(3, "1000", 4)         = 4
[pid 21846] close(3)                    = 0
[pid 21846] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21846] write(1, "executing program\n", 18) = 18
[pid 21846] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21846] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21846] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21846] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21846] exit_group(0)               = ?
[pid 21846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21846, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21001", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21001", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21001/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21001/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21001/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21001")                        = 0
mkdir("./21002", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21847
./strace-static-x86_64: Process 21847 attached
[pid 21847] set_robust_list(0x55558cab0660, 24) = 0
[pid 21847] chdir("./21002")            = 0
[pid 21847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21847] setpgid(0, 0)               = 0
[pid 21847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21847] write(3, "1000", 4)         = 4
[pid 21847] close(3)                    = 0
[pid 21847] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21847] write(1, "executing program\n", 18executing program
) = 18
[pid 21847] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21847] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21847] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21847] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21847] exit_group(0)               = ?
[pid 21847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21002", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21002", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21002/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21002/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21002/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21002")                        = 0
mkdir("./21003", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21848 attached
, child_tidptr=0x55558cab0650) = 21848
[pid 21848] set_robust_list(0x55558cab0660, 24) = 0
[pid 21848] chdir("./21003")            = 0
[pid 21848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21848] setpgid(0, 0)               = 0
[pid 21848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21848] write(3, "1000", 4)         = 4
[pid 21848] close(3)                    = 0
[pid 21848] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21848] write(1, "executing program\n", 18) = 18
[pid 21848] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21848] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21848] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21848] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21848] exit_group(0)               = ?
[pid 21848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21003", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21003", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21003/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21003/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21003/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21003")                        = 0
mkdir("./21004", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21849 attached
, child_tidptr=0x55558cab0650) = 21849
[pid 21849] set_robust_list(0x55558cab0660, 24) = 0
[pid 21849] chdir("./21004")            = 0
[pid 21849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21849] setpgid(0, 0)               = 0
[pid 21849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21849] write(3, "1000", 4)         = 4
[pid 21849] close(3)                    = 0
[pid 21849] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21849] write(1, "executing program\n", 18executing program
) = 18
[pid 21849] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21849] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21849] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21849] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21849] exit_group(0)               = ?
[pid 21849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21004", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21004", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21004/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21004/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21004/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21004")                        = 0
mkdir("./21005", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21850 attached
, child_tidptr=0x55558cab0650) = 21850
[pid 21850] set_robust_list(0x55558cab0660, 24) = 0
[pid 21850] chdir("./21005")            = 0
[pid 21850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21850] setpgid(0, 0)               = 0
[pid 21850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21850] write(3, "1000", 4)         = 4
[pid 21850] close(3)                    = 0
[pid 21850] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21850] write(1, "executing program\n", 18executing program
) = 18
[pid 21850] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21850] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21850] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21850] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21850] exit_group(0)               = ?
[pid 21850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21005", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21005", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21005/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21005/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21005/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21005")                        = 0
mkdir("./21006", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21851 attached
, child_tidptr=0x55558cab0650) = 21851
[pid 21851] set_robust_list(0x55558cab0660, 24) = 0
[pid 21851] chdir("./21006")            = 0
[pid 21851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21851] setpgid(0, 0)               = 0
[pid 21851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21851] write(3, "1000", 4)         = 4
[pid 21851] close(3)                    = 0
[pid 21851] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21851] write(1, "executing program\n", 18) = 18
[pid 21851] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21851] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21851] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21851] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21851] exit_group(0)               = ?
[pid 21851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21006", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21006", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21006/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21006/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21006/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21006")                        = 0
mkdir("./21007", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21852
./strace-static-x86_64: Process 21852 attached
[pid 21852] set_robust_list(0x55558cab0660, 24) = 0
[pid 21852] chdir("./21007")            = 0
[pid 21852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21852] setpgid(0, 0)               = 0
[pid 21852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21852] write(3, "1000", 4)         = 4
[pid 21852] close(3)                    = 0
[pid 21852] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21852] write(1, "executing program\n", 18) = 18
[pid 21852] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21852] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21852] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21852] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21852] exit_group(0)               = ?
[pid 21852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21007", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21007", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21007/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21007/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21007/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21007")                        = 0
mkdir("./21008", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21853 attached
, child_tidptr=0x55558cab0650) = 21853
[pid 21853] set_robust_list(0x55558cab0660, 24) = 0
[pid 21853] chdir("./21008")            = 0
[pid 21853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21853] setpgid(0, 0)               = 0
[pid 21853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21853] write(3, "1000", 4)         = 4
[pid 21853] close(3)                    = 0
[pid 21853] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21853] write(1, "executing program\n", 18) = 18
[pid 21853] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21853] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21853] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21853] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21853] exit_group(0)               = ?
[pid 21853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21008", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21008", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21008/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21008/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21008/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21008")                        = 0
mkdir("./21009", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21855
./strace-static-x86_64: Process 21855 attached
[pid 21855] set_robust_list(0x55558cab0660, 24) = 0
[pid 21855] chdir("./21009")            = 0
[pid 21855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21855] setpgid(0, 0)               = 0
[pid 21855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21855] write(3, "1000", 4)         = 4
[pid 21855] close(3)                    = 0
[pid 21855] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21855] write(1, "executing program\n", 18) = 18
[pid 21855] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21855] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21855] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21855] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21855] exit_group(0)               = ?
[pid 21855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21009", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21009", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21009/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21009/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21009/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21009")                        = 0
mkdir("./21010", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21856 attached
, child_tidptr=0x55558cab0650) = 21856
[pid 21856] set_robust_list(0x55558cab0660, 24) = 0
[pid 21856] chdir("./21010")            = 0
[pid 21856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21856] setpgid(0, 0)               = 0
[pid 21856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21856] write(3, "1000", 4)         = 4
[pid 21856] close(3)                    = 0
[pid 21856] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21856] write(1, "executing program\n", 18) = 18
[pid 21856] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21856] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21856] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21856] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21856] exit_group(0)               = ?
[pid 21856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21010", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21010", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21010/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21010/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21010/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21010")                        = 0
mkdir("./21011", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21857 attached
, child_tidptr=0x55558cab0650) = 21857
[pid 21857] set_robust_list(0x55558cab0660, 24) = 0
[pid 21857] chdir("./21011")            = 0
[pid 21857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21857] setpgid(0, 0)               = 0
[pid 21857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21857] write(3, "1000", 4)         = 4
[pid 21857] close(3)                    = 0
[pid 21857] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21857] write(1, "executing program\n", 18executing program
) = 18
[pid 21857] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21857] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21857] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21857] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21857] exit_group(0)               = ?
[pid 21857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21011", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21011", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21011/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21011/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21011/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21011")                        = 0
mkdir("./21012", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21858 attached
, child_tidptr=0x55558cab0650) = 21858
[pid 21858] set_robust_list(0x55558cab0660, 24) = 0
[pid 21858] chdir("./21012")            = 0
[pid 21858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21858] setpgid(0, 0)               = 0
[pid 21858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21858] write(3, "1000", 4)         = 4
[pid 21858] close(3)                    = 0
[pid 21858] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21858] write(1, "executing program\n", 18) = 18
[pid 21858] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21858] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21858] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21858] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21858] exit_group(0)               = ?
[pid 21858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21012", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21012", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21012/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21012/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21012/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21012")                        = 0
mkdir("./21013", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21859 attached
, child_tidptr=0x55558cab0650) = 21859
[pid 21859] set_robust_list(0x55558cab0660, 24) = 0
[pid 21859] chdir("./21013")            = 0
[pid 21859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21859] setpgid(0, 0)               = 0
[pid 21859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21859] write(3, "1000", 4)         = 4
[pid 21859] close(3)                    = 0
[pid 21859] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21859] write(1, "executing program\n", 18) = 18
[pid 21859] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21859] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21859] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21859] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21859] exit_group(0)               = ?
[pid 21859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21013", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21013", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21013/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21013/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21013/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21013")                        = 0
mkdir("./21014", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21860
./strace-static-x86_64: Process 21860 attached
[pid 21860] set_robust_list(0x55558cab0660, 24) = 0
[pid 21860] chdir("./21014")            = 0
[pid 21860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21860] setpgid(0, 0)               = 0
[pid 21860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21860] write(3, "1000", 4)         = 4
[pid 21860] close(3)                    = 0
[pid 21860] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21860] write(1, "executing program\n", 18executing program
) = 18
[pid 21860] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21860] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21860] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21860] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21860] exit_group(0)               = ?
[pid 21860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21014", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21014", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21014/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21014/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21014/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21014")                        = 0
mkdir("./21015", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21861 attached
, child_tidptr=0x55558cab0650) = 21861
[pid 21861] set_robust_list(0x55558cab0660, 24) = 0
[pid 21861] chdir("./21015")            = 0
[pid 21861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21861] setpgid(0, 0)               = 0
[pid 21861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21861] write(3, "1000", 4)         = 4
[pid 21861] close(3)                    = 0
[pid 21861] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21861] write(1, "executing program\n", 18) = 18
[pid 21861] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21861] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21861] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21861] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21861] exit_group(0)               = ?
[pid 21861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21015", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21015", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21015/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21015/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21015/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21015")                        = 0
mkdir("./21016", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21862
./strace-static-x86_64: Process 21862 attached
[pid 21862] set_robust_list(0x55558cab0660, 24) = 0
[pid 21862] chdir("./21016")            = 0
[pid 21862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21862] setpgid(0, 0)               = 0
[pid 21862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21862] write(3, "1000", 4)         = 4
[pid 21862] close(3)                    = 0
[pid 21862] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21862] write(1, "executing program\n", 18executing program
) = 18
[pid 21862] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21862] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21862] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21862] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21862] exit_group(0)               = ?
[pid 21862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21016", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21016", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21016/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21016/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21016/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21016")                        = 0
mkdir("./21017", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21863 attached
, child_tidptr=0x55558cab0650) = 21863
[pid 21863] set_robust_list(0x55558cab0660, 24) = 0
[pid 21863] chdir("./21017")            = 0
[pid 21863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21863] setpgid(0, 0)               = 0
[pid 21863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21863] write(3, "1000", 4)         = 4
[pid 21863] close(3)                    = 0
[pid 21863] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21863] write(1, "executing program\n", 18) = 18
[pid 21863] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21863] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21863] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21863] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21863] exit_group(0)               = ?
[pid 21863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21017", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21017", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21017/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21017/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21017/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21017")                        = 0
mkdir("./21018", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21864 attached
, child_tidptr=0x55558cab0650) = 21864
[pid 21864] set_robust_list(0x55558cab0660, 24) = 0
[pid 21864] chdir("./21018")            = 0
[pid 21864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21864] setpgid(0, 0)               = 0
[pid 21864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21864] write(3, "1000", 4)         = 4
[pid 21864] close(3)                    = 0
[pid 21864] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21864] write(1, "executing program\n", 18) = 18
[pid 21864] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21864] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21864] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21864] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21864] exit_group(0)               = ?
[pid 21864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21018", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21018", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21018/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21018/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21018/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21018")                        = 0
mkdir("./21019", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21865
./strace-static-x86_64: Process 21865 attached
[pid 21865] set_robust_list(0x55558cab0660, 24) = 0
[pid 21865] chdir("./21019")            = 0
[pid 21865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21865] setpgid(0, 0)               = 0
[pid 21865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21865] write(3, "1000", 4)         = 4
[pid 21865] close(3)                    = 0
[pid 21865] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21865] write(1, "executing program\n", 18) = 18
[pid 21865] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21865] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21865] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21865] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21865] exit_group(0)               = ?
[pid 21865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21019", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21019", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21019/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21019/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21019/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21019")                        = 0
mkdir("./21020", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21866
./strace-static-x86_64: Process 21866 attached
[pid 21866] set_robust_list(0x55558cab0660, 24) = 0
[pid 21866] chdir("./21020")            = 0
[pid 21866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21866] setpgid(0, 0)               = 0
[pid 21866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21866] write(3, "1000", 4)         = 4
[pid 21866] close(3)                    = 0
[pid 21866] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21866] write(1, "executing program\n", 18executing program
) = 18
[pid 21866] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21866] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21866] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21866] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21866] exit_group(0)               = ?
[pid 21866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21020", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21020", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21020/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21020/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21020/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21020")                        = 0
mkdir("./21021", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21867
./strace-static-x86_64: Process 21867 attached
[pid 21867] set_robust_list(0x55558cab0660, 24) = 0
[pid 21867] chdir("./21021")            = 0
[pid 21867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21867] setpgid(0, 0)               = 0
[pid 21867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21867] write(3, "1000", 4)         = 4
[pid 21867] close(3)                    = 0
[pid 21867] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21867] write(1, "executing program\n", 18) = 18
[pid 21867] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21867] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21867] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21867] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21867] exit_group(0)               = ?
[pid 21867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21021", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21021", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21021/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21021/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21021/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21021")                        = 0
mkdir("./21022", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21868
./strace-static-x86_64: Process 21868 attached
[pid 21868] set_robust_list(0x55558cab0660, 24) = 0
[pid 21868] chdir("./21022")            = 0
[pid 21868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21868] setpgid(0, 0)               = 0
[pid 21868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21868] write(3, "1000", 4)         = 4
[pid 21868] close(3)                    = 0
[pid 21868] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21868] write(1, "executing program\n", 18executing program
) = 18
[pid 21868] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21868] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21868] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21868] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21868] exit_group(0)               = ?
[pid 21868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21022", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21022", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21022/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21022/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21022/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21022")                        = 0
mkdir("./21023", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21869
./strace-static-x86_64: Process 21869 attached
[pid 21869] set_robust_list(0x55558cab0660, 24) = 0
[pid 21869] chdir("./21023")            = 0
[pid 21869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21869] setpgid(0, 0)               = 0
[pid 21869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21869] write(3, "1000", 4)         = 4
[pid 21869] close(3)                    = 0
[pid 21869] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21869] write(1, "executing program\n", 18executing program
) = 18
[pid 21869] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21869] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21869] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21869] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21869] exit_group(0)               = ?
[pid 21869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21023", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21023", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21023/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21023/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21023/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21023")                        = 0
mkdir("./21024", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21870 attached
, child_tidptr=0x55558cab0650) = 21870
[pid 21870] set_robust_list(0x55558cab0660, 24) = 0
[pid 21870] chdir("./21024")            = 0
[pid 21870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21870] setpgid(0, 0)               = 0
[pid 21870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21870] write(3, "1000", 4)         = 4
[pid 21870] close(3)                    = 0
[pid 21870] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21870] write(1, "executing program\n", 18) = 18
[pid 21870] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21870] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21870] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21870] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21870] exit_group(0)               = ?
[pid 21870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21024", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21024", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21024/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21024/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21024/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21024")                        = 0
mkdir("./21025", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21871
./strace-static-x86_64: Process 21871 attached
[pid 21871] set_robust_list(0x55558cab0660, 24) = 0
[pid 21871] chdir("./21025")            = 0
[pid 21871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21871] setpgid(0, 0)               = 0
[pid 21871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21871] write(3, "1000", 4)         = 4
[pid 21871] close(3)                    = 0
[pid 21871] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21871] write(1, "executing program\n", 18) = 18
[pid 21871] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21871] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21871] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21871] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21871] exit_group(0)               = ?
[pid 21871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21025", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21025", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21025/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21025/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21025/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21025")                        = 0
mkdir("./21026", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21872
./strace-static-x86_64: Process 21872 attached
[pid 21872] set_robust_list(0x55558cab0660, 24) = 0
[pid 21872] chdir("./21026")            = 0
[pid 21872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21872] setpgid(0, 0)               = 0
[pid 21872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21872] write(3, "1000", 4)         = 4
[pid 21872] close(3)                    = 0
[pid 21872] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21872] write(1, "executing program\n", 18executing program
) = 18
[pid 21872] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21872] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21872] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21872] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21872] exit_group(0)               = ?
[pid 21872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21026", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21026", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21026/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21026/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21026/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21026")                        = 0
mkdir("./21027", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21873
./strace-static-x86_64: Process 21873 attached
[pid 21873] set_robust_list(0x55558cab0660, 24) = 0
[pid 21873] chdir("./21027")            = 0
[pid 21873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21873] setpgid(0, 0)               = 0
[pid 21873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21873] write(3, "1000", 4)         = 4
[pid 21873] close(3)                    = 0
[pid 21873] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21873] write(1, "executing program\n", 18) = 18
[pid 21873] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21873] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21873] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21873] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21873] exit_group(0)               = ?
[pid 21873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21027", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21027", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21027/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21027/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21027/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21027")                        = 0
mkdir("./21028", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21874
./strace-static-x86_64: Process 21874 attached
[pid 21874] set_robust_list(0x55558cab0660, 24) = 0
[pid 21874] chdir("./21028")            = 0
[pid 21874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21874] setpgid(0, 0)               = 0
[pid 21874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21874] write(3, "1000", 4)         = 4
[pid 21874] close(3)                    = 0
[pid 21874] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21874] write(1, "executing program\n", 18executing program
) = 18
[pid 21874] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21874] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21874] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21874] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21874] exit_group(0)               = ?
[pid 21874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21028", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21028", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21028/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21028/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21028/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21028")                        = 0
mkdir("./21029", 0777executing program
)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21875
./strace-static-x86_64: Process 21875 attached
[pid 21875] set_robust_list(0x55558cab0660, 24) = 0
[pid 21875] chdir("./21029")            = 0
[pid 21875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21875] setpgid(0, 0)               = 0
[pid 21875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21875] write(3, "1000", 4)         = 4
[pid 21875] close(3)                    = 0
[pid 21875] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21875] write(1, "executing program\n", 18) = 18
[pid 21875] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21875] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21875] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21875] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21875] exit_group(0)               = ?
[pid 21875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21029", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21029", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21029/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21029/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21029/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21029")                        = 0
mkdir("./21030", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21876 attached
, child_tidptr=0x55558cab0650) = 21876
[pid 21876] set_robust_list(0x55558cab0660, 24) = 0
[pid 21876] chdir("./21030")            = 0
[pid 21876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21876] setpgid(0, 0)               = 0
[pid 21876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21876] write(3, "1000", 4)         = 4
[pid 21876] close(3)                    = 0
[pid 21876] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21876] write(1, "executing program\n", 18) = 18
[pid 21876] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21876] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21876] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21876] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21876] exit_group(0)               = ?
[pid 21876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21030", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21030", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21030/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21030/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21030/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21030")                        = 0
mkdir("./21031", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21877 attached
, child_tidptr=0x55558cab0650) = 21877
[pid 21877] set_robust_list(0x55558cab0660, 24) = 0
[pid 21877] chdir("./21031")            = 0
[pid 21877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21877] setpgid(0, 0)               = 0
[pid 21877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21877] write(3, "1000", 4)         = 4
[pid 21877] close(3)                    = 0
[pid 21877] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21877] write(1, "executing program\n", 18) = 18
[pid 21877] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21877] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21877] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21877] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21877] exit_group(0)               = ?
[pid 21877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21031", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21031", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21031/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21031/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21031/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21031")                        = 0
mkdir("./21032", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21878 attached
, child_tidptr=0x55558cab0650) = 21878
[pid 21878] set_robust_list(0x55558cab0660, 24) = 0
[pid 21878] chdir("./21032")            = 0
[pid 21878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21878] setpgid(0, 0)               = 0
[pid 21878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21878] write(3, "1000", 4)         = 4
[pid 21878] close(3)                    = 0
[pid 21878] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21878] write(1, "executing program\n", 18) = 18
[pid 21878] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21878] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21878] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21878] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21878] exit_group(0)               = ?
[pid 21878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21032", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21032", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21032/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21032/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21032/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21032")                        = 0
mkdir("./21033", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21879 attached
, child_tidptr=0x55558cab0650) = 21879
[pid 21879] set_robust_list(0x55558cab0660, 24) = 0
[pid 21879] chdir("./21033")            = 0
[pid 21879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21879] setpgid(0, 0)               = 0
[pid 21879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21879] write(3, "1000", 4)         = 4
[pid 21879] close(3)                    = 0
[pid 21879] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21879] write(1, "executing program\n", 18) = 18
[pid 21879] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21879] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21879] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21879] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21879] exit_group(0)               = ?
[pid 21879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21033", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21033", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21033/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21033/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21033/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21033")                        = 0
mkdir("./21034", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21880
./strace-static-x86_64: Process 21880 attached
[pid 21880] set_robust_list(0x55558cab0660, 24) = 0
[pid 21880] chdir("./21034")            = 0
[pid 21880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21880] setpgid(0, 0)               = 0
[pid 21880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21880] write(3, "1000", 4)         = 4
[pid 21880] close(3)                    = 0
[pid 21880] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21880] write(1, "executing program\n", 18executing program
) = 18
[pid 21880] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21880] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21880] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21880] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21880] exit_group(0)               = ?
[pid 21880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21034", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21034", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21034/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21034/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21034/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21034")                        = 0
mkdir("./21035", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21881
./strace-static-x86_64: Process 21881 attached
[pid 21881] set_robust_list(0x55558cab0660, 24) = 0
[pid 21881] chdir("./21035")            = 0
[pid 21881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21881] setpgid(0, 0)               = 0
[pid 21881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21881] write(3, "1000", 4)         = 4
[pid 21881] close(3)                    = 0
[pid 21881] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21881] write(1, "executing program\n", 18executing program
) = 18
[pid 21881] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21881] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21881] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21881] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21881] exit_group(0)               = ?
[pid 21881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21035", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21035", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21035/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21035/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21035/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21035")                        = 0
mkdir("./21036", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21882
./strace-static-x86_64: Process 21882 attached
[pid 21882] set_robust_list(0x55558cab0660, 24) = 0
[pid 21882] chdir("./21036")            = 0
[pid 21882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21882] setpgid(0, 0)               = 0
[pid 21882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21882] write(3, "1000", 4)         = 4
[pid 21882] close(3)                    = 0
[pid 21882] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21882] write(1, "executing program\n", 18) = 18
[pid 21882] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21882] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21882] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21882] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21882] exit_group(0)               = ?
[pid 21882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21036", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21036", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21036/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21036/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21036/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21036")                        = 0
mkdir("./21037", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21883 attached
, child_tidptr=0x55558cab0650) = 21883
[pid 21883] set_robust_list(0x55558cab0660, 24) = 0
[pid 21883] chdir("./21037")            = 0
[pid 21883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21883] setpgid(0, 0)               = 0
[pid 21883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21883] write(3, "1000", 4)         = 4
[pid 21883] close(3)                    = 0
[pid 21883] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21883] write(1, "executing program\n", 18) = 18
[pid 21883] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21883] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21883] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21883] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21883] exit_group(0)               = ?
[pid 21883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21037", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21037", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21037/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21037/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21037/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21037")                        = 0
mkdir("./21038", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21884
./strace-static-x86_64: Process 21884 attached
[pid 21884] set_robust_list(0x55558cab0660, 24) = 0
[pid 21884] chdir("./21038")            = 0
[pid 21884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21884] setpgid(0, 0)               = 0
[pid 21884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21884] write(3, "1000", 4)         = 4
[pid 21884] close(3)                    = 0
[pid 21884] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21884] write(1, "executing program\n", 18) = 18
[pid 21884] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21884] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21884] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21884] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21884] exit_group(0)               = ?
[pid 21884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21038", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21038", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21038/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21038/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21038/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21038")                        = 0
mkdir("./21039", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21885
./strace-static-x86_64: Process 21885 attached
[pid 21885] set_robust_list(0x55558cab0660, 24) = 0
[pid 21885] chdir("./21039")            = 0
[pid 21885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21885] setpgid(0, 0)               = 0
[pid 21885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21885] write(3, "1000", 4)         = 4
[pid 21885] close(3)                    = 0
[pid 21885] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21885] write(1, "executing program\n", 18) = 18
[pid 21885] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21885] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21885] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21885] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21885] exit_group(0)               = ?
[pid 21885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21039", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21039", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21039/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21039/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21039/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21039")                        = 0
mkdir("./21040", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21886 attached
, child_tidptr=0x55558cab0650) = 21886
[pid 21886] set_robust_list(0x55558cab0660, 24) = 0
[pid 21886] chdir("./21040")            = 0
[pid 21886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21886] setpgid(0, 0)               = 0
[pid 21886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21886] write(3, "1000", 4)         = 4
[pid 21886] close(3)                    = 0
[pid 21886] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21886] write(1, "executing program\n", 18) = 18
[pid 21886] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21886] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21886] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21886] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21886] exit_group(0)               = ?
[pid 21886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21040", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21040", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21040/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21040/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21040/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21040")                        = 0
mkdir("./21041", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21887 attached
, child_tidptr=0x55558cab0650) = 21887
[pid 21887] set_robust_list(0x55558cab0660, 24) = 0
[pid 21887] chdir("./21041")            = 0
[pid 21887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21887] setpgid(0, 0)               = 0
[pid 21887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21887] write(3, "1000", 4)         = 4
[pid 21887] close(3)                    = 0
[pid 21887] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21887] write(1, "executing program\n", 18) = 18
[pid 21887] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21887] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21887] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21887] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21887] exit_group(0)               = ?
[pid 21887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21041", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21041", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21041/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21041/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21041/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21041")                        = 0
mkdir("./21042", 0777executing program
)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21888
./strace-static-x86_64: Process 21888 attached
[pid 21888] set_robust_list(0x55558cab0660, 24) = 0
[pid 21888] chdir("./21042")            = 0
[pid 21888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21888] setpgid(0, 0)               = 0
[pid 21888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21888] write(3, "1000", 4)         = 4
[pid 21888] close(3)                    = 0
[pid 21888] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21888] write(1, "executing program\n", 18) = 18
[pid 21888] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21888] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21888] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21888] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21888] exit_group(0)               = ?
[pid 21888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21042", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21042", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21042/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21042/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21042/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21042")                        = 0
mkdir("./21043", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21889 attached
, child_tidptr=0x55558cab0650) = 21889
[pid 21889] set_robust_list(0x55558cab0660, 24) = 0
[pid 21889] chdir("./21043")            = 0
[pid 21889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21889] setpgid(0, 0)               = 0
[pid 21889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21889] write(3, "1000", 4)         = 4
[pid 21889] close(3)                    = 0
[pid 21889] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21889] write(1, "executing program\n", 18) = 18
[pid 21889] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21889] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21889] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21889] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21889] exit_group(0)               = ?
[pid 21889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21043", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21043", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21043/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21043/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21043/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21043")                        = 0
mkdir("./21044", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21890
./strace-static-x86_64: Process 21890 attached
[pid 21890] set_robust_list(0x55558cab0660, 24) = 0
[pid 21890] chdir("./21044")            = 0
[pid 21890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21890] setpgid(0, 0)               = 0
[pid 21890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21890] write(3, "1000", 4)         = 4
[pid 21890] close(3)                    = 0
[pid 21890] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21890] write(1, "executing program\n", 18executing program
) = 18
[pid 21890] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21890] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21890] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21890] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21890] exit_group(0)               = ?
[pid 21890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21044", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21044", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21044/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21044/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21044/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21044")                        = 0
mkdir("./21045", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21891 attached
, child_tidptr=0x55558cab0650) = 21891
[pid 21891] set_robust_list(0x55558cab0660, 24) = 0
[pid 21891] chdir("./21045")            = 0
[pid 21891] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid 21891] setpgid(0, 0)               = 0
[pid 21891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21891] write(3, "1000", 4)         = 4
[pid 21891] close(3)                    = 0
[pid 21891] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21891] write(1, "executing program\n", 18) = 18
[pid 21891] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21891] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21891] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21891] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21891] exit_group(0)               = ?
[pid 21891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21045", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21045", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21045/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21045/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21045/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21045")                        = 0
mkdir("./21046", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21892 attached
, child_tidptr=0x55558cab0650) = 21892
[pid 21892] set_robust_list(0x55558cab0660, 24) = 0
[pid 21892] chdir("./21046")            = 0
[pid 21892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21892] setpgid(0, 0)               = 0
[pid 21892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21892] write(3, "1000", 4)         = 4
[pid 21892] close(3)                    = 0
[pid 21892] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21892] write(1, "executing program\n", 18) = 18
[pid 21892] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21892] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21892] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21892] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21892] exit_group(0)               = ?
[pid 21892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21046", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21046", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21046/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21046/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21046/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21046")                        = 0
mkdir("./21047", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21893 attached
, child_tidptr=0x55558cab0650) = 21893
[pid 21893] set_robust_list(0x55558cab0660, 24) = 0
[pid 21893] chdir("./21047")            = 0
[pid 21893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21893] setpgid(0, 0)               = 0
[pid 21893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21893] write(3, "1000", 4)         = 4
[pid 21893] close(3)                    = 0
[pid 21893] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21893] write(1, "executing program\n", 18) = 18
[pid 21893] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21893] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21893] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21893] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21893] exit_group(0)               = ?
[pid 21893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21047", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21047", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21047/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21047/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21047/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21047")                        = 0
mkdir("./21048", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21894
./strace-static-x86_64: Process 21894 attached
[pid 21894] set_robust_list(0x55558cab0660, 24) = 0
[pid 21894] chdir("./21048")            = 0
[pid 21894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21894] setpgid(0, 0executing program
)               = 0
[pid 21894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21894] write(3, "1000", 4)         = 4
[pid 21894] close(3)                    = 0
[pid 21894] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21894] write(1, "executing program\n", 18) = 18
[pid 21894] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21894] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21894] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21894] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21894] exit_group(0)               = ?
[pid 21894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21048", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21048", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21048/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21048/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21048/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21048")                        = 0
mkdir("./21049", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21895
./strace-static-x86_64: Process 21895 attached
[pid 21895] set_robust_list(0x55558cab0660, 24) = 0
[pid 21895] chdir("./21049")            = 0
[pid 21895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21895] setpgid(0, 0)               = 0
[pid 21895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21895] write(3, "1000", 4)         = 4
[pid 21895] close(3)                    = 0
[pid 21895] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21895] write(1, "executing program\n", 18executing program
) = 18
[pid 21895] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21895] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21895] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21895] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21895] exit_group(0)               = ?
[pid 21895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21049", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21049", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21049/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21049/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21049/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21049")                        = 0
mkdir("./21050", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21896 attached
, child_tidptr=0x55558cab0650) = 21896
[pid 21896] set_robust_list(0x55558cab0660, 24) = 0
[pid 21896] chdir("./21050")            = 0
[pid 21896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21896] setpgid(0, 0)               = 0
[pid 21896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21896] write(3, "1000", 4)         = 4
[pid 21896] close(3)                    = 0
[pid 21896] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21896] write(1, "executing program\n", 18executing program
) = 18
[pid 21896] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21896] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21896] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21896] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21896] exit_group(0)               = ?
[pid 21896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21050", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21050", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21050/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21050/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21050/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21050")                        = 0
mkdir("./21051", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21897
./strace-static-x86_64: Process 21897 attached
[pid 21897] set_robust_list(0x55558cab0660, 24) = 0
[pid 21897] chdir("./21051")            = 0
[pid 21897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21897] setpgid(0, 0)               = 0
[pid 21897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21897] write(3, "1000", 4)         = 4
[pid 21897] close(3)                    = 0
[pid 21897] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21897] write(1, "executing program\n", 18) = 18
[pid 21897] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21897] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21897] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21897] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21897] exit_group(0)               = ?
[pid 21897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21051", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21051", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21051/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21051/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21051/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21051")                        = 0
mkdir("./21052", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21898
./strace-static-x86_64: Process 21898 attached
[pid 21898] set_robust_list(0x55558cab0660, 24) = 0
[pid 21898] chdir("./21052")            = 0
[pid 21898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21898] setpgid(0, 0)               = 0
[pid 21898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21898] write(3, "1000", 4)         = 4
[pid 21898] close(3)                    = 0
[pid 21898] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21898] write(1, "executing program\n", 18executing program
) = 18
[pid 21898] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21898] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21898] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21898] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21898] exit_group(0)               = ?
[pid 21898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21052", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21052", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21052/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21052/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21052/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21052")                        = 0
mkdir("./21053", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21899
./strace-static-x86_64: Process 21899 attached
[pid 21899] set_robust_list(0x55558cab0660, 24) = 0
[pid 21899] chdir("./21053")            = 0
[pid 21899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21899] setpgid(0, 0)               = 0
[pid 21899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21899] write(3, "1000", 4)         = 4
[pid 21899] close(3)                    = 0
[pid 21899] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21899] write(1, "executing program\n", 18executing program
) = 18
[pid 21899] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21899] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21899] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21899] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21899] exit_group(0)               = ?
[pid 21899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21053", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21053", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21053/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21053/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21053/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21053")                        = 0
mkdir("./21054", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21900
./strace-static-x86_64: Process 21900 attached
[pid 21900] set_robust_list(0x55558cab0660, 24) = 0
[pid 21900] chdir("./21054")            = 0
[pid 21900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21900] setpgid(0, 0)               = 0
[pid 21900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21900] write(3, "1000", 4)         = 4
[pid 21900] close(3)                    = 0
[pid 21900] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21900] write(1, "executing program\n", 18executing program
) = 18
[pid 21900] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21900] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21900] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21900] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21900] exit_group(0)               = ?
[pid 21900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21054", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21054", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21054/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21054/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21054/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21054")                        = 0
mkdir("./21055", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21901 attached
, child_tidptr=0x55558cab0650) = 21901
[pid 21901] set_robust_list(0x55558cab0660, 24) = 0
[pid 21901] chdir("./21055")            = 0
[pid 21901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21901] setpgid(0, 0)               = 0
[pid 21901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21901] write(3, "1000", 4)         = 4
[pid 21901] close(3)                    = 0
[pid 21901] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21901] write(1, "executing program\n", 18) = 18
[pid 21901] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21901] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21901] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21901] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21901] exit_group(0)               = ?
[pid 21901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21055", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21055", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21055/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21055/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21055/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21055")                        = 0
mkdir("./21056", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21902
./strace-static-x86_64: Process 21902 attached
[pid 21902] set_robust_list(0x55558cab0660, 24) = 0
[pid 21902] chdir("./21056")            = 0
[pid 21902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21902] setpgid(0, 0)               = 0
[pid 21902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21902] write(3, "1000", 4)         = 4
[pid 21902] close(3)                    = 0
[pid 21902] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21902] write(1, "executing program\n", 18) = 18
[pid 21902] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21902] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21902] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21902] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21902] exit_group(0)               = ?
[pid 21902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21056", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21056", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21056/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21056/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21056/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21056")                        = 0
mkdir("./21057", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21903 attached
, child_tidptr=0x55558cab0650) = 21903
[pid 21903] set_robust_list(0x55558cab0660, 24) = 0
[pid 21903] chdir("./21057")            = 0
[pid 21903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21903] setpgid(0, 0)               = 0
[pid 21903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 21903] write(3, "1000", 4)         = 4
[pid 21903] close(3)                    = 0
[pid 21903] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21903] write(1, "executing program\n", 18) = 18
[pid 21903] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21903] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21903] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21903] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21903] exit_group(0)               = ?
[pid 21903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21057", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21057", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21057/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21057/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21057/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21057")                        = 0
mkdir("./21058", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21904 attached
, child_tidptr=0x55558cab0650) = 21904
[pid 21904] set_robust_list(0x55558cab0660, 24) = 0
[pid 21904] chdir("./21058")            = 0
[pid 21904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21904] setpgid(0, 0)               = 0
[pid 21904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21904] write(3, "1000", 4)         = 4
[pid 21904] close(3)                    = 0
[pid 21904] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21904] write(1, "executing program\n", 18) = 18
[pid 21904] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21904] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21904] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21904] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21904] exit_group(0)               = ?
[pid 21904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21058", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21058", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21058/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21058/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21058/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21058")                        = 0
mkdir("./21059", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21905
./strace-static-x86_64: Process 21905 attached
[pid 21905] set_robust_list(0x55558cab0660, 24) = 0
[pid 21905] chdir("./21059")            = 0
[pid 21905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21905] setpgid(0, 0)               = 0
[pid 21905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21905] write(3, "1000", 4)         = 4
[pid 21905] close(3)                    = 0
[pid 21905] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21905] write(1, "executing program\n", 18executing program
) = 18
[pid 21905] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21905] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21905] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21905] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21905] exit_group(0)               = ?
[pid 21905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21059", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21059", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21059/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21059/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21059/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21059")                        = 0
mkdir("./21060", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21906 attached
, child_tidptr=0x55558cab0650) = 21906
[pid 21906] set_robust_list(0x55558cab0660, 24) = 0
[pid 21906] chdir("./21060")            = 0
[pid 21906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21906] setpgid(0, 0)               = 0
[pid 21906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21906] write(3, "1000", 4)         = 4
[pid 21906] close(3)                    = 0
[pid 21906] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21906] write(1, "executing program\n", 18) = 18
[pid 21906] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21906] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21906] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21906] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21906] exit_group(0)               = ?
[pid 21906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21060", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21060", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21060/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21060/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21060/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21060")                        = 0
mkdir("./21061", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21907
./strace-static-x86_64: Process 21907 attached
[pid 21907] set_robust_list(0x55558cab0660, 24) = 0
[pid 21907] chdir("./21061")            = 0
[pid 21907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21907] setpgid(0, 0)               = 0
[pid 21907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21907] write(3, "1000", 4)         = 4
[pid 21907] close(3)                    = 0
[pid 21907] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21907] write(1, "executing program\n", 18) = 18
[pid 21907] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21907] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21907] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21907] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21907] exit_group(0)               = ?
[pid 21907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21061", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21061", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21061/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21061/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21061/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21061")                        = 0
mkdir("./21062", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21908 attached
, child_tidptr=0x55558cab0650) = 21908
[pid 21908] set_robust_list(0x55558cab0660, 24) = 0
[pid 21908] chdir("./21062")            = 0
[pid 21908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21908] setpgid(0, 0)               = 0
[pid 21908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21908] write(3, "1000", 4)         = 4
[pid 21908] close(3)                    = 0
[pid 21908] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21908] write(1, "executing program\n", 18) = 18
[pid 21908] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21908] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21908] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21908] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21908] exit_group(0)               = ?
[pid 21908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21062", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21062", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21062/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21062/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21062/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21062")                        = 0
mkdir("./21063", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21909
./strace-static-x86_64: Process 21909 attached
[pid 21909] set_robust_list(0x55558cab0660, 24) = 0
[pid 21909] chdir("./21063")            = 0
[pid 21909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21909] setpgid(0, 0)               = 0
[pid 21909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21909] write(3, "1000", 4)         = 4
[pid 21909] close(3)                    = 0
[pid 21909] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21909] write(1, "executing program\n", 18executing program
) = 18
[pid 21909] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21909] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21909] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21909] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21909] exit_group(0)               = ?
[pid 21909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21063", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21063", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21063/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21063/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21063/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21063")                        = 0
mkdir("./21064", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21910 attached
, child_tidptr=0x55558cab0650) = 21910
[pid 21910] set_robust_list(0x55558cab0660, 24) = 0
[pid 21910] chdir("./21064")            = 0
[pid 21910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21910] setpgid(0, 0)               = 0
[pid 21910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21910] write(3, "1000", 4)         = 4
[pid 21910] close(3)                    = 0
[pid 21910] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21910] write(1, "executing program\n", 18executing program
) = 18
[pid 21910] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21910] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21910] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21910] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21910] exit_group(0)               = ?
[pid 21910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21064", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21064", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21064/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21064/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21064/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21064")                        = 0
mkdir("./21065", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21911
./strace-static-x86_64: Process 21911 attached
[pid 21911] set_robust_list(0x55558cab0660, 24) = 0
[pid 21911] chdir("./21065")            = 0
[pid 21911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21911] setpgid(0, 0)               = 0
[pid 21911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21911] write(3, "1000", 4)         = 4
[pid 21911] close(3)                    = 0
[pid 21911] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21911] write(1, "executing program\n", 18) = 18
[pid 21911] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21911] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21911] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21911] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21911] exit_group(0)               = ?
[pid 21911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21065", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21065", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21065/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21065/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21065/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21065")                        = 0
mkdir("./21066", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21912
./strace-static-x86_64: Process 21912 attached
[pid 21912] set_robust_list(0x55558cab0660, 24) = 0
[pid 21912] chdir("./21066")            = 0
[pid 21912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21912] setpgid(0, 0)               = 0
[pid 21912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21912] write(3, "1000", 4)         = 4
[pid 21912] close(3)                    = 0
[pid 21912] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21912] write(1, "executing program\n", 18) = 18
[pid 21912] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21912] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21912] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21912] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21912] exit_group(0)               = ?
[pid 21912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21066", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21066", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21066/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21066/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21066/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21066")                        = 0
mkdir("./21067", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21913
./strace-static-x86_64: Process 21913 attached
[pid 21913] set_robust_list(0x55558cab0660, 24) = 0
[pid 21913] chdir("./21067")            = 0
[pid 21913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21913] setpgid(0, 0)               = 0
[pid 21913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21913] write(3, "1000", 4)         = 4
[pid 21913] close(3)                    = 0
[pid 21913] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21913] write(1, "executing program\n", 18executing program
) = 18
[pid 21913] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21913] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21913] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21913] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21913] exit_group(0)               = ?
[pid 21913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21067", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21067", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21067/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21067/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21067/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21067")                        = 0
mkdir("./21068", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21914
./strace-static-x86_64: Process 21914 attached
[pid 21914] set_robust_list(0x55558cab0660, 24) = 0
[pid 21914] chdir("./21068")            = 0
[pid 21914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21914] setpgid(0, 0)               = 0
[pid 21914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21914] write(3, "1000", 4)         = 4
[pid 21914] close(3)                    = 0
[pid 21914] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21914] write(1, "executing program\n", 18) = 18
[pid 21914] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21914] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21914] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21914] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21914] exit_group(0)               = ?
[pid 21914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21068", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21068", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21068/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21068/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21068/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21068")                        = 0
mkdir("./21069", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21915 attached
, child_tidptr=0x55558cab0650) = 21915
[pid 21915] set_robust_list(0x55558cab0660, 24) = 0
[pid 21915] chdir("./21069")            = 0
[pid 21915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21915] setpgid(0, 0)               = 0
[pid 21915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21915] write(3, "1000", 4)         = 4
[pid 21915] close(3)                    = 0
[pid 21915] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21915] write(1, "executing program\n", 18) = 18
[pid 21915] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21915] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21915] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21915] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21915] exit_group(0)               = ?
[pid 21915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21069", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21069", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21069/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21069/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21069/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21069")                        = 0
mkdir("./21070", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21916 attached
, child_tidptr=0x55558cab0650) = 21916
[pid 21916] set_robust_list(0x55558cab0660, 24) = 0
[pid 21916] chdir("./21070")            = 0
[pid 21916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21916] setpgid(0, 0)               = 0
[pid 21916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21916] write(3, "1000", 4)         = 4
[pid 21916] close(3)                    = 0
[pid 21916] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21916] write(1, "executing program\n", 18) = 18
[pid 21916] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21916] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21916] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21916] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21916] exit_group(0)               = ?
[pid 21916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21070", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21070", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21070/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21070/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21070/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21070")                        = 0
mkdir("./21071", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21917 attached
, child_tidptr=0x55558cab0650) = 21917
[pid 21917] set_robust_list(0x55558cab0660, 24) = 0
[pid 21917] chdir("./21071")            = 0
[pid 21917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21917] setpgid(0, 0)               = 0
[pid 21917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21917] write(3, "1000", 4)         = 4
[pid 21917] close(3)                    = 0
[pid 21917] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21917] write(1, "executing program\n", 18) = 18
[pid 21917] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21917] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21917] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21917] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21917] exit_group(0)               = ?
[pid 21917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21071", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21071", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21071/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21071/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21071/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21071")                        = 0
mkdir("./21072", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21918
./strace-static-x86_64: Process 21918 attached
[pid 21918] set_robust_list(0x55558cab0660, 24) = 0
[pid 21918] chdir("./21072")            = 0
[pid 21918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21918] setpgid(0, 0)               = 0
[pid 21918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21918] write(3, "1000", 4)         = 4
[pid 21918] close(3)                    = 0
[pid 21918] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21918] write(1, "executing program\n", 18executing program
) = 18
[pid 21918] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21918] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21918] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21918] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21918] exit_group(0)               = ?
[pid 21918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21072", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21072", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21072/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21072/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21072/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21072")                        = 0
mkdir("./21073", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21919
./strace-static-x86_64: Process 21919 attached
[pid 21919] set_robust_list(0x55558cab0660, 24) = 0
[pid 21919] chdir("./21073")            = 0
[pid 21919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21919] setpgid(0, 0)               = 0
[pid 21919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21919] write(3, "1000", 4)         = 4
[pid 21919] close(3)                    = 0
[pid 21919] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21919] write(1, "executing program\n", 18) = 18
[pid 21919] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21919] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21919] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21919] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21919] exit_group(0)               = ?
[pid 21919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21073", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21073", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21073/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21073/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21073/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21073")                        = 0
mkdir("./21074", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21920 attached
, child_tidptr=0x55558cab0650) = 21920
[pid 21920] set_robust_list(0x55558cab0660, 24) = 0
[pid 21920] chdir("./21074")            = 0
[pid 21920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21920] setpgid(0, 0)               = 0
[pid 21920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21920] write(3, "1000", 4)         = 4
[pid 21920] close(3)                    = 0
[pid 21920] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21920] write(1, "executing program\n", 18) = 18
[pid 21920] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21920] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21920] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21920] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21920] exit_group(0)               = ?
[pid 21920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21074", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21074", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21074/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21074/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21074/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21074")                        = 0
mkdir("./21075", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21921 attached
, child_tidptr=0x55558cab0650) = 21921
[pid 21921] set_robust_list(0x55558cab0660, 24) = 0
[pid 21921] chdir("./21075")            = 0
[pid 21921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21921] setpgid(0, 0)               = 0
[pid 21921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21921] write(3, "1000", 4)         = 4
[pid 21921] close(3)                    = 0
[pid 21921] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21921] write(1, "executing program\n", 18) = 18
[pid 21921] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21921] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21921] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21921] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21921] exit_group(0)               = ?
[pid 21921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21075", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21075", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21075/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21075/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21075/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21075")                        = 0
mkdir("./21076", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21922
./strace-static-x86_64: Process 21922 attached
[pid 21922] set_robust_list(0x55558cab0660, 24) = 0
[pid 21922] chdir("./21076")            = 0
[pid 21922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21922] setpgid(0, 0)               = 0
[pid 21922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21922] write(3, "1000", 4)         = 4
[pid 21922] close(3)                    = 0
[pid 21922] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21922] write(1, "executing program\n", 18executing program
) = 18
[pid 21922] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21922] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21922] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21922] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21922] exit_group(0)               = ?
[pid 21922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21076", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21076", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21076/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21076/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21076/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21076")                        = 0
mkdir("./21077", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21923 attached
, child_tidptr=0x55558cab0650) = 21923
[pid 21923] set_robust_list(0x55558cab0660, 24) = 0
[pid 21923] chdir("./21077")            = 0
[pid 21923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21923] setpgid(0, 0)               = 0
[pid 21923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21923] write(3, "1000", 4)         = 4
[pid 21923] close(3)                    = 0
[pid 21923] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21923] write(1, "executing program\n", 18) = 18
[pid 21923] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21923] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21923] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21923] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21923] exit_group(0)               = ?
[pid 21923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21077", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21077", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21077/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21077/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21077/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21077")                        = 0
mkdir("./21078", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21924 attached
, child_tidptr=0x55558cab0650) = 21924
[pid 21924] set_robust_list(0x55558cab0660, 24) = 0
[pid 21924] chdir("./21078")            = 0
[pid 21924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21924] setpgid(0, 0)               = 0
[pid 21924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21924] write(3, "1000", 4)         = 4
[pid 21924] close(3)                    = 0
[pid 21924] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21924] write(1, "executing program\n", 18executing program
) = 18
[pid 21924] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21924] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21924] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21924] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21924] exit_group(0)               = ?
[pid 21924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21078", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21078", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21078/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21078/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21078/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21078")                        = 0
mkdir("./21079", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21925
./strace-static-x86_64: Process 21925 attached
[pid 21925] set_robust_list(0x55558cab0660, 24) = 0
[pid 21925] chdir("./21079")            = 0
[pid 21925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21925] setpgid(0, 0)               = 0
[pid 21925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21925] write(3, "1000", 4)         = 4
[pid 21925] close(3)                    = 0
[pid 21925] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21925] write(1, "executing program\n", 18) = 18
[pid 21925] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21925] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21925] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21925] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21925] exit_group(0)               = ?
[pid 21925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21079", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21079", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21079/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21079/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21079/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21079")                        = 0
mkdir("./21080", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21926
./strace-static-x86_64: Process 21926 attached
[pid 21926] set_robust_list(0x55558cab0660, 24) = 0
[pid 21926] chdir("./21080")            = 0
[pid 21926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21926] setpgid(0, 0)               = 0
[pid 21926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21926] write(3, "1000", 4)         = 4
[pid 21926] close(3)                    = 0
[pid 21926] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21926] write(1, "executing program\n", 18) = 18
[pid 21926] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21926] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21926] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21926] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21926] exit_group(0)               = ?
[pid 21926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21080", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21080", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21080/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21080/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21080/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21080")                        = 0
mkdir("./21081", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21927
./strace-static-x86_64: Process 21927 attached
[pid 21927] set_robust_list(0x55558cab0660, 24) = 0
[pid 21927] chdir("./21081")            = 0
[pid 21927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21927] setpgid(0, 0)               = 0
[pid 21927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21927] write(3, "1000", 4)         = 4
[pid 21927] close(3)                    = 0
[pid 21927] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21927] write(1, "executing program\n", 18) = 18
[pid 21927] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21927] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21927] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21927] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21927] exit_group(0)               = ?
[pid 21927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21081", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21081", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21081/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21081/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21081/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21081")                        = 0
mkdir("./21082", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21928
./strace-static-x86_64: Process 21928 attached
[pid 21928] set_robust_list(0x55558cab0660, 24) = 0
[pid 21928] chdir("./21082")            = 0
[pid 21928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21928] setpgid(0, 0)               = 0
[pid 21928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21928] write(3, "1000", 4)         = 4
[pid 21928] close(3)                    = 0
[pid 21928] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21928] write(1, "executing program\n", 18) = 18
[pid 21928] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21928] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21928] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21928] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21928] exit_group(0)               = ?
[pid 21928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21082", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21082", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21082/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21082/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21082/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21082")                        = 0
mkdir("./21083", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21929 attached
, child_tidptr=0x55558cab0650) = 21929
[pid 21929] set_robust_list(0x55558cab0660, 24) = 0
[pid 21929] chdir("./21083")            = 0
[pid 21929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21929] setpgid(0, 0)               = 0
[pid 21929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21929] write(3, "1000", 4)         = 4
[pid 21929] close(3)                    = 0
[pid 21929] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21929] write(1, "executing program\n", 18) = 18
[pid 21929] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21929] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21929] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21929] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21929] exit_group(0)               = ?
[pid 21929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21083", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21083", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21083/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21083/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21083/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21083")                        = 0
mkdir("./21084", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21930 attached
, child_tidptr=0x55558cab0650) = 21930
[pid 21930] set_robust_list(0x55558cab0660, 24) = 0
[pid 21930] chdir("./21084")            = 0
[pid 21930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21930] setpgid(0, 0)               = 0
[pid 21930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21930] write(3, "1000", 4)         = 4
[pid 21930] close(3)                    = 0
[pid 21930] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21930] write(1, "executing program\n", 18executing program
) = 18
[pid 21930] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21930] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21930] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21930] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21930] exit_group(0)               = ?
[pid 21930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21084", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21084", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21084/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21084/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21084/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21084")                        = 0
mkdir("./21085", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21932
./strace-static-x86_64: Process 21932 attached
[pid 21932] set_robust_list(0x55558cab0660, 24) = 0
[pid 21932] chdir("./21085")            = 0
[pid 21932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21932] setpgid(0, 0)               = 0
[pid 21932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21932] write(3, "1000", 4)         = 4
[pid 21932] close(3)                    = 0
[pid 21932] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21932] write(1, "executing program\n", 18) = 18
[pid 21932] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21932] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21932] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21932] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21932] exit_group(0)               = ?
[pid 21932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21085", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21085", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21085/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21085/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21085/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21085")                        = 0
mkdir("./21086", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21933
./strace-static-x86_64: Process 21933 attached
[pid 21933] set_robust_list(0x55558cab0660, 24) = 0
[pid 21933] chdir("./21086")            = 0
[pid 21933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21933] setpgid(0, 0)               = 0
[pid 21933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21933] write(3, "1000", 4)         = 4
[pid 21933] close(3)                    = 0
[pid 21933] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21933] write(1, "executing program\n", 18executing program
) = 18
[pid 21933] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21933] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21933] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21933] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21933] exit_group(0)               = ?
[pid 21933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21086", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21086", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21086/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21086/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21086/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21086")                        = 0
mkdir("./21087", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21934
./strace-static-x86_64: Process 21934 attached
[pid 21934] set_robust_list(0x55558cab0660, 24) = 0
[pid 21934] chdir("./21087")            = 0
[pid 21934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21934] setpgid(0, 0)               = 0
[pid 21934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21934] write(3, "1000", 4)         = 4
[pid 21934] close(3)                    = 0
[pid 21934] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21934] write(1, "executing program\n", 18executing program
) = 18
[pid 21934] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21934] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21934] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21934] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21934] exit_group(0)               = ?
[pid 21934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21087", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21087", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21087/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21087/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21087/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21087")                        = 0
mkdir("./21088", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21935 attached
, child_tidptr=0x55558cab0650) = 21935
[pid 21935] set_robust_list(0x55558cab0660, 24) = 0
[pid 21935] chdir("./21088")            = 0
[pid 21935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21935] setpgid(0, 0)               = 0
[pid 21935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21935] write(3, "1000", 4)         = 4
[pid 21935] close(3)                    = 0
[pid 21935] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21935] write(1, "executing program\n", 18executing program
) = 18
[pid 21935] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21935] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21935] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21935] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21935] exit_group(0)               = ?
[pid 21935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21088", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21088", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21088/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21088/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21088/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21088")                        = 0
mkdir("./21089", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21936 attached
, child_tidptr=0x55558cab0650) = 21936
[pid 21936] set_robust_list(0x55558cab0660, 24) = 0
[pid 21936] chdir("./21089")            = 0
[pid 21936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21936] setpgid(0, 0)               = 0
[pid 21936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21936] write(3, "1000", 4)         = 4
[pid 21936] close(3)                    = 0
[pid 21936] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21936] write(1, "executing program\n", 18) = 18
[pid 21936] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21936] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21936] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21936] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21936] exit_group(0)               = ?
[pid 21936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21089", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21089", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21089/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21089/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21089/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21089")                        = 0
mkdir("./21090", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21937 attached
, child_tidptr=0x55558cab0650) = 21937
[pid 21937] set_robust_list(0x55558cab0660, 24) = 0
[pid 21937] chdir("./21090")            = 0
[pid 21937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21937] setpgid(0, 0)               = 0
[pid 21937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21937] write(3, "1000", 4)         = 4
[pid 21937] close(3)                    = 0
[pid 21937] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21937] write(1, "executing program\n", 18) = 18
[pid 21937] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21937] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21937] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21937] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21937] exit_group(0)               = ?
[pid 21937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21090", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21090", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21090/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21090/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21090/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21090")                        = 0
mkdir("./21091", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21938
./strace-static-x86_64: Process 21938 attached
[pid 21938] set_robust_list(0x55558cab0660, 24) = 0
[pid 21938] chdir("./21091")            = 0
[pid 21938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21938] setpgid(0, 0)               = 0
[pid 21938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21938] write(3, "1000", 4)         = 4
[pid 21938] close(3)                    = 0
[pid 21938] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21938] write(1, "executing program\n", 18executing program
) = 18
[pid 21938] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21938] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21938] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21938] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21938] exit_group(0)               = ?
[pid 21938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21091", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21091", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21091/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21091/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21091/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21091")                        = 0
mkdir("./21092", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21939
./strace-static-x86_64: Process 21939 attached
[pid 21939] set_robust_list(0x55558cab0660, 24) = 0
[pid 21939] chdir("./21092")            = 0
[pid 21939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21939] setpgid(0, 0)               = 0
[pid 21939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21939] write(3, "1000", 4)         = 4
[pid 21939] close(3)                    = 0
[pid 21939] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21939] write(1, "executing program\n", 18) = 18
[pid 21939] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21939] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21939] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21939] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21939] exit_group(0)               = ?
[pid 21939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21092", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21092", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21092/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21092/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21092/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21092")                        = 0
mkdir("./21093", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21940 attached
, child_tidptr=0x55558cab0650) = 21940
[pid 21940] set_robust_list(0x55558cab0660, 24) = 0
[pid 21940] chdir("./21093")            = 0
[pid 21940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21940] setpgid(0, 0)               = 0
[pid 21940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21940] write(3, "1000", 4)         = 4
[pid 21940] close(3)                    = 0
[pid 21940] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21940] write(1, "executing program\n", 18) = 18
[pid 21940] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21940] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21940] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21940] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21940] exit_group(0)               = ?
[pid 21940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21093", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21093", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21093/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21093/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21093/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21093")                        = 0
mkdir("./21094", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21941
./strace-static-x86_64: Process 21941 attached
[pid 21941] set_robust_list(0x55558cab0660, 24) = 0
[pid 21941] chdir("./21094")            = 0
[pid 21941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21941] setpgid(0, 0)               = 0
[pid 21941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21941] write(3, "1000", 4)         = 4
[pid 21941] close(3)                    = 0
[pid 21941] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21941] write(1, "executing program\n", 18executing program
) = 18
[pid 21941] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21941] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21941] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21941] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21941] exit_group(0)               = ?
[pid 21941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21094", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21094", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21094/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21094/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21094/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21094")                        = 0
mkdir("./21095", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21942 attached
, child_tidptr=0x55558cab0650) = 21942
[pid 21942] set_robust_list(0x55558cab0660, 24) = 0
[pid 21942] chdir("./21095")            = 0
[pid 21942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21942] setpgid(0, 0)               = 0
[pid 21942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21942] write(3, "1000", 4)         = 4
[pid 21942] close(3)                    = 0
[pid 21942] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21942] write(1, "executing program\n", 18executing program
) = 18
[pid 21942] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21942] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21942] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21942] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21942] exit_group(0)               = ?
[pid 21942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21095", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21095", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21095/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21095/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21095/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21095")                        = 0
mkdir("./21096", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21943 attached
, child_tidptr=0x55558cab0650) = 21943
[pid 21943] set_robust_list(0x55558cab0660, 24) = 0
[pid 21943] chdir("./21096")            = 0
[pid 21943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21943] setpgid(0, 0)               = 0
[pid 21943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21943] write(3, "1000", 4)         = 4
[pid 21943] close(3)                    = 0
[pid 21943] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21943] write(1, "executing program\n", 18) = 18
[pid 21943] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21943] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21943] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21943] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21943] exit_group(0)               = ?
[pid 21943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21096", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21096", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21096/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21096/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21096/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21096")                        = 0
mkdir("./21097", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21944 attached
, child_tidptr=0x55558cab0650) = 21944
[pid 21944] set_robust_list(0x55558cab0660, 24) = 0
[pid 21944] chdir("./21097")            = 0
[pid 21944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21944] setpgid(0, 0)               = 0
[pid 21944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21944] write(3, "1000", 4)         = 4
[pid 21944] close(3)                    = 0
[pid 21944] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21944] write(1, "executing program\n", 18) = 18
[pid 21944] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21944] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21944] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21944] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21944] exit_group(0)               = ?
[pid 21944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21097", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21097", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21097/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21097/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21097/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21097")                        = 0
mkdir("./21098", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21945
./strace-static-x86_64: Process 21945 attached
[pid 21945] set_robust_list(0x55558cab0660, 24) = 0
[pid 21945] chdir("./21098")            = 0
[pid 21945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21945] setpgid(0, 0)               = 0
[pid 21945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21945] write(3, "1000", 4)         = 4
[pid 21945] close(3)                    = 0
[pid 21945] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21945] write(1, "executing program\n", 18) = 18
[pid 21945] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21945] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21945] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21945] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21945] exit_group(0)               = ?
[pid 21945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21098", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21098", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21098/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21098/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21098/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21098")                        = 0
mkdir("./21099", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21946 attached
, child_tidptr=0x55558cab0650) = 21946
[pid 21946] set_robust_list(0x55558cab0660, 24) = 0
[pid 21946] chdir("./21099")            = 0
[pid 21946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21946] setpgid(0, 0)               = 0
[pid 21946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21946] write(3, "1000", 4)         = 4
[pid 21946] close(3)                    = 0
[pid 21946] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21946] write(1, "executing program\n", 18) = 18
[pid 21946] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21946] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21946] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21946] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21946] exit_group(0)               = ?
[pid 21946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21099", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21099", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21099/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21099/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21099/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21099")                        = 0
mkdir("./21100", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21947 attached
, child_tidptr=0x55558cab0650) = 21947
[pid 21947] set_robust_list(0x55558cab0660, 24) = 0
[pid 21947] chdir("./21100")            = 0
[pid 21947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21947] setpgid(0, 0)               = 0
[pid 21947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21947] write(3, "1000", 4)         = 4
[pid 21947] close(3)                    = 0
[pid 21947] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21947] write(1, "executing program\n", 18) = 18
[pid 21947] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21947] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21947] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21947] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21947] exit_group(0)               = ?
[pid 21947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21100/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21100")                        = 0
mkdir("./21101", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21948 attached
, child_tidptr=0x55558cab0650) = 21948
[pid 21948] set_robust_list(0x55558cab0660, 24) = 0
[pid 21948] chdir("./21101")            = 0
[pid 21948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21948] setpgid(0, 0)               = 0
[pid 21948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21948] write(3, "1000", 4)         = 4
[pid 21948] close(3)                    = 0
[pid 21948] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21948] write(1, "executing program\n", 18executing program
) = 18
[pid 21948] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21948] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21948] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21948] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21948] exit_group(0)               = ?
[pid 21948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21101/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21101")                        = 0
mkdir("./21102", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21949 attached
, child_tidptr=0x55558cab0650) = 21949
[pid 21949] set_robust_list(0x55558cab0660, 24) = 0
[pid 21949] chdir("./21102")            = 0
[pid 21949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21949] setpgid(0, 0)               = 0
[pid 21949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21949] write(3, "1000", 4)         = 4
[pid 21949] close(3)                    = 0
[pid 21949] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21949] write(1, "executing program\n", 18) = 18
[pid 21949] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21949] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21949] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21949] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21949] exit_group(0)               = ?
[pid 21949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21102/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21102")                        = 0
mkdir("./21103", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21950 attached
, child_tidptr=0x55558cab0650) = 21950
[pid 21950] set_robust_list(0x55558cab0660, 24) = 0
[pid 21950] chdir("./21103")            = 0
[pid 21950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21950] setpgid(0, 0)               = 0
[pid 21950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21950] write(3, "1000", 4)         = 4
[pid 21950] close(3)                    = 0
[pid 21950] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21950] write(1, "executing program\n", 18) = 18
[pid 21950] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21950] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21950] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21950] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21950] exit_group(0)               = ?
[pid 21950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21950, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21103", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21103/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21103")                        = 0
mkdir("./21104", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21951 attached
, child_tidptr=0x55558cab0650) = 21951
[pid 21951] set_robust_list(0x55558cab0660, 24) = 0
[pid 21951] chdir("./21104")            = 0
[pid 21951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21951] setpgid(0, 0)               = 0
[pid 21951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21951] write(3, "1000", 4)         = 4
[pid 21951] close(3)                    = 0
[pid 21951] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21951] write(1, "executing program\n", 18) = 18
[pid 21951] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21951] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21951] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21951] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21951] exit_group(0)               = ?
[pid 21951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21104/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21104")                        = 0
mkdir("./21105", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21952 attached
, child_tidptr=0x55558cab0650) = 21952
[pid 21952] set_robust_list(0x55558cab0660, 24) = 0
[pid 21952] chdir("./21105")            = 0
[pid 21952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21952] setpgid(0, 0)               = 0
[pid 21952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21952] write(3, "1000", 4)         = 4
[pid 21952] close(3)                    = 0
[pid 21952] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21952] write(1, "executing program\n", 18) = 18
[pid 21952] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21952] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21952] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21952] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21952] exit_group(0)               = ?
[pid 21952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21105/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21105")                        = 0
mkdir("./21106", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21953
./strace-static-x86_64: Process 21953 attached
[pid 21953] set_robust_list(0x55558cab0660, 24) = 0
[pid 21953] chdir("./21106")            = 0
[pid 21953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21953] setpgid(0, 0)               = 0
[pid 21953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21953] write(3, "1000", 4)         = 4
[pid 21953] close(3)                    = 0
[pid 21953] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21953] write(1, "executing program\n", 18) = 18
[pid 21953] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21953] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21953] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21953] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21953] exit_group(0)               = ?
[pid 21953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21106/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21106")                        = 0
mkdir("./21107", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 21954 attached
, child_tidptr=0x55558cab0650) = 21954
[pid 21954] set_robust_list(0x55558cab0660, 24) = 0
[pid 21954] chdir("./21107")            = 0
[pid 21954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21954] setpgid(0, 0)               = 0
[pid 21954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21954] write(3, "1000", 4)         = 4
[pid 21954] close(3)                    = 0
[pid 21954] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21954] write(1, "executing program\n", 18) = 18
[pid 21954] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21954] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21954] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21954] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21954] exit_group(0)               = ?
[pid 21954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21107", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21107/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21107")                        = 0
mkdir("./21108", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21955 attached
, child_tidptr=0x55558cab0650) = 21955
[pid 21955] set_robust_list(0x55558cab0660, 24) = 0
[pid 21955] chdir("./21108")            = 0
[pid 21955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21955] setpgid(0, 0)               = 0
[pid 21955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21955] write(3, "1000", 4)         = 4
[pid 21955] close(3)                    = 0
[pid 21955] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21955] write(1, "executing program\n", 18) = 18
[pid 21955] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21955] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21955] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21955] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21955] exit_group(0)               = ?
[pid 21955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21108/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21108")                        = 0
mkdir("./21109", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21956
./strace-static-x86_64: Process 21956 attached
[pid 21956] set_robust_list(0x55558cab0660, 24) = 0
[pid 21956] chdir("./21109")            = 0
[pid 21956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21956] setpgid(0, 0)               = 0
[pid 21956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21956] write(3, "1000", 4)         = 4
[pid 21956] close(3)                    = 0
[pid 21956] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21956] write(1, "executing program\n", 18executing program
) = 18
[pid 21956] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21956] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21956] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21956] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21956] exit_group(0)               = ?
[pid 21956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21109/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21109")                        = 0
mkdir("./21110", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21957 attached
, child_tidptr=0x55558cab0650) = 21957
[pid 21957] set_robust_list(0x55558cab0660, 24) = 0
[pid 21957] chdir("./21110")            = 0
[pid 21957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21957] setpgid(0, 0)               = 0
[pid 21957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21957] write(3, "1000", 4)         = 4
[pid 21957] close(3)                    = 0
[pid 21957] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21957] write(1, "executing program\n", 18) = 18
[pid 21957] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21957] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21957] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21957] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21957] exit_group(0)               = ?
[pid 21957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21110/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21110")                        = 0
mkdir("./21111", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21958
./strace-static-x86_64: Process 21958 attached
[pid 21958] set_robust_list(0x55558cab0660, 24) = 0
[pid 21958] chdir("./21111")            = 0
[pid 21958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21958] setpgid(0, 0)               = 0
[pid 21958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21958] write(3, "1000", 4)         = 4
[pid 21958] close(3)                    = 0
[pid 21958] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21958] write(1, "executing program\n", 18) = 18
[pid 21958] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21958] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21958] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21958] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21958] exit_group(0)               = ?
[pid 21958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21111/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21111")                        = 0
mkdir("./21112", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21959
./strace-static-x86_64: Process 21959 attached
[pid 21959] set_robust_list(0x55558cab0660, 24) = 0
[pid 21959] chdir("./21112")            = 0
[pid 21959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21959] setpgid(0, 0)               = 0
[pid 21959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21959] write(3, "1000", 4)         = 4
[pid 21959] close(3)                    = 0
[pid 21959] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21959] write(1, "executing program\n", 18executing program
) = 18
[pid 21959] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21959] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21959] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21959] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21959] exit_group(0)               = ?
[pid 21959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21959, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21112/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21112")                        = 0
mkdir("./21113", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21960
./strace-static-x86_64: Process 21960 attached
[pid 21960] set_robust_list(0x55558cab0660, 24) = 0
[pid 21960] chdir("./21113")            = 0
[pid 21960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21960] setpgid(0, 0)               = 0
[pid 21960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21960] write(3, "1000", 4)         = 4
[pid 21960] close(3)                    = 0
[pid 21960] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21960] write(1, "executing program\n", 18) = 18
[pid 21960] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21960] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21960] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21960] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21960] exit_group(0)               = ?
[pid 21960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21113/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21113")                        = 0
mkdir("./21114", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21961
./strace-static-x86_64: Process 21961 attached
[pid 21961] set_robust_list(0x55558cab0660, 24) = 0
[pid 21961] chdir("./21114")            = 0
[pid 21961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21961] setpgid(0, 0)               = 0
[pid 21961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21961] write(3, "1000", 4)         = 4
[pid 21961] close(3)                    = 0
[pid 21961] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21961] write(1, "executing program\n", 18executing program
) = 18
[pid 21961] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21961] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21961] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21961] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21961] exit_group(0)               = ?
[pid 21961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21114/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21114")                        = 0
mkdir("./21115", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21962
./strace-static-x86_64: Process 21962 attached
[pid 21962] set_robust_list(0x55558cab0660, 24) = 0
[pid 21962] chdir("./21115")            = 0
[pid 21962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21962] setpgid(0, 0)               = 0
[pid 21962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21962] write(3, "1000", 4)         = 4
[pid 21962] close(3)                    = 0
[pid 21962] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21962] write(1, "executing program\n", 18) = 18
[pid 21962] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21962] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21962] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21962] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21962] exit_group(0)               = ?
[pid 21962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21115/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21115")                        = 0
mkdir("./21116", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21963 attached
, child_tidptr=0x55558cab0650) = 21963
[pid 21963] set_robust_list(0x55558cab0660, 24) = 0
[pid 21963] chdir("./21116")            = 0
[pid 21963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21963] setpgid(0, 0)               = 0
[pid 21963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21963] write(3, "1000", 4)         = 4
[pid 21963] close(3)                    = 0
[pid 21963] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21963] write(1, "executing program\n", 18executing program
) = 18
[pid 21963] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21963] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21963] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21963] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21963] exit_group(0)               = ?
[pid 21963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21116/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21116")                        = 0
mkdir("./21117", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21964
./strace-static-x86_64: Process 21964 attached
[pid 21964] set_robust_list(0x55558cab0660, 24) = 0
[pid 21964] chdir("./21117")            = 0
[pid 21964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21964] setpgid(0, 0)               = 0
[pid 21964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21964] write(3, "1000", 4)         = 4
[pid 21964] close(3)                    = 0
[pid 21964] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21964] write(1, "executing program\n", 18) = 18
[pid 21964] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21964] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21964] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21964] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21964] exit_group(0)               = ?
[pid 21964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21117/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21117")                        = 0
mkdir("./21118", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21965
./strace-static-x86_64: Process 21965 attached
[pid 21965] set_robust_list(0x55558cab0660, 24) = 0
[pid 21965] chdir("./21118")            = 0
[pid 21965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21965] setpgid(0, 0)               = 0
[pid 21965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21965] write(3, "1000", 4)         = 4
[pid 21965] close(3)                    = 0
[pid 21965] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21965] write(1, "executing program\n", 18) = 18
[pid 21965] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21965] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21965] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21965] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21965] exit_group(0)               = ?
[pid 21965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21118/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21118")                        = 0
mkdir("./21119", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21966
./strace-static-x86_64: Process 21966 attached
[pid 21966] set_robust_list(0x55558cab0660, 24) = 0
[pid 21966] chdir("./21119")            = 0
[pid 21966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21966] setpgid(0, 0)               = 0
[pid 21966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21966] write(3, "1000", 4)         = 4
[pid 21966] close(3)                    = 0
[pid 21966] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21966] write(1, "executing program\n", 18) = 18
[pid 21966] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21966] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21966] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21966] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21966] exit_group(0)               = ?
[pid 21966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21119/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21119")                        = 0
mkdir("./21120", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21967 attached
, child_tidptr=0x55558cab0650) = 21967
[pid 21967] set_robust_list(0x55558cab0660, 24) = 0
[pid 21967] chdir("./21120")            = 0
[pid 21967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21967] setpgid(0, 0)               = 0
[pid 21967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21967] write(3, "1000", 4)         = 4
[pid 21967] close(3)                    = 0
[pid 21967] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21967] write(1, "executing program\n", 18executing program
) = 18
[pid 21967] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21967] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21967] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21967] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21967] exit_group(0)               = ?
[pid 21967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21120/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21120")                        = 0
mkdir("./21121", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21968 attached
, child_tidptr=0x55558cab0650) = 21968
[pid 21968] set_robust_list(0x55558cab0660, 24) = 0
[pid 21968] chdir("./21121")            = 0
[pid 21968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21968] setpgid(0, 0)               = 0
[pid 21968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21968] write(3, "1000", 4)         = 4
[pid 21968] close(3)                    = 0
[pid 21968] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21968] write(1, "executing program\n", 18executing program
) = 18
[pid 21968] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21968] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21968] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21968] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21968] exit_group(0)               = ?
[pid 21968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21968, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21121/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21121")                        = 0
mkdir("./21122", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21969 attached
, child_tidptr=0x55558cab0650) = 21969
[pid 21969] set_robust_list(0x55558cab0660, 24) = 0
[pid 21969] chdir("./21122")            = 0
[pid 21969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21969] setpgid(0, 0)               = 0
[pid 21969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21969] write(3, "1000", 4)         = 4
[pid 21969] close(3)                    = 0
[pid 21969] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21969] write(1, "executing program\n", 18executing program
) = 18
[pid 21969] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21969] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21969] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21969] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21969] exit_group(0)               = ?
[pid 21969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21122/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21122")                        = 0
mkdir("./21123", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21970
./strace-static-x86_64: Process 21970 attached
[pid 21970] set_robust_list(0x55558cab0660, 24) = 0
[pid 21970] chdir("./21123")            = 0
[pid 21970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21970] setpgid(0, 0)               = 0
[pid 21970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21970] write(3, "1000", 4)         = 4
[pid 21970] close(3)                    = 0
[pid 21970] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21970] write(1, "executing program\n", 18) = 18
[pid 21970] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21970] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21970] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21970] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21970] exit_group(0)               = ?
[pid 21970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21123/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21123")                        = 0
mkdir("./21124", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21971 attached
, child_tidptr=0x55558cab0650) = 21971
[pid 21971] set_robust_list(0x55558cab0660, 24) = 0
[pid 21971] chdir("./21124")            = 0
[pid 21971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21971] setpgid(0, 0)               = 0
[pid 21971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21971] write(3, "1000", 4)         = 4
[pid 21971] close(3)                    = 0
[pid 21971] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21971] write(1, "executing program\n", 18) = 18
[pid 21971] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21971] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21971] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21971] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21971] exit_group(0)               = ?
[pid 21971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21124/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21124")                        = 0
mkdir("./21125", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21972
./strace-static-x86_64: Process 21972 attached
[pid 21972] set_robust_list(0x55558cab0660, 24) = 0
[pid 21972] chdir("./21125")            = 0
[pid 21972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21972] setpgid(0, 0)               = 0
[pid 21972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21972] write(3, "1000", 4)         = 4
[pid 21972] close(3)                    = 0
[pid 21972] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21972] write(1, "executing program\n", 18executing program
) = 18
[pid 21972] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21972] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21972] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21972] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21972] exit_group(0)               = ?
[pid 21972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21125/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21125")                        = 0
mkdir("./21126", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21973 attached
, child_tidptr=0x55558cab0650) = 21973
[pid 21973] set_robust_list(0x55558cab0660, 24) = 0
[pid 21973] chdir("./21126")            = 0
[pid 21973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21973] setpgid(0, 0)               = 0
[pid 21973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21973] write(3, "1000", 4)         = 4
[pid 21973] close(3)                    = 0
[pid 21973] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21973] write(1, "executing program\n", 18executing program
) = 18
[pid 21973] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21973] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21973] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21973] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21973] exit_group(0)               = ?
[pid 21973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21126/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21126")                        = 0
mkdir("./21127", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21974
./strace-static-x86_64: Process 21974 attached
[pid 21974] set_robust_list(0x55558cab0660, 24) = 0
[pid 21974] chdir("./21127")            = 0
[pid 21974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21974] setpgid(0, 0)               = 0
[pid 21974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21974] write(3, "1000", 4)         = 4
[pid 21974] close(3)                    = 0
[pid 21974] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21974] write(1, "executing program\n", 18) = 18
[pid 21974] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21974] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21974] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21974] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21974] exit_group(0)               = ?
[pid 21974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21127/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21127")                        = 0
mkdir("./21128", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21975 attached
, child_tidptr=0x55558cab0650) = 21975
[pid 21975] set_robust_list(0x55558cab0660, 24) = 0
[pid 21975] chdir("./21128")            = 0
[pid 21975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21975] setpgid(0, 0)               = 0
[pid 21975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21975] write(3, "1000", 4)         = 4
[pid 21975] close(3)                    = 0
[pid 21975] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21975] write(1, "executing program\n", 18executing program
) = 18
[pid 21975] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21975] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21975] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21975] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21975] exit_group(0)               = ?
[pid 21975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21128/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21128")                        = 0
mkdir("./21129", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21976
./strace-static-x86_64: Process 21976 attached
[pid 21976] set_robust_list(0x55558cab0660, 24) = 0
[pid 21976] chdir("./21129")            = 0
[pid 21976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21976] setpgid(0, 0)               = 0
[pid 21976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21976] write(3, "1000", 4)         = 4
[pid 21976] close(3)                    = 0
[pid 21976] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21976] write(1, "executing program\n", 18) = 18
[pid 21976] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21976] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21976] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21976] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21976] exit_group(0)               = ?
[pid 21976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21129/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21129")                        = 0
mkdir("./21130", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21977 attached
, child_tidptr=0x55558cab0650) = 21977
[pid 21977] set_robust_list(0x55558cab0660, 24) = 0
[pid 21977] chdir("./21130")            = 0
[pid 21977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21977] setpgid(0, 0)               = 0
[pid 21977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21977] write(3, "1000", 4)         = 4
[pid 21977] close(3)                    = 0
[pid 21977] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21977] write(1, "executing program\n", 18) = 18
[pid 21977] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21977] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21977] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21977] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21977] exit_group(0)               = ?
[pid 21977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21130/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21130")                        = 0
mkdir("./21131", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21978
./strace-static-x86_64: Process 21978 attached
[pid 21978] set_robust_list(0x55558cab0660, 24) = 0
[pid 21978] chdir("./21131")            = 0
[pid 21978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21978] setpgid(0, 0)               = 0
[pid 21978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21978] write(3, "1000", 4)         = 4
[pid 21978] close(3)                    = 0
[pid 21978] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21978] write(1, "executing program\n", 18) = 18
[pid 21978] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21978] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21978] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21978] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21978] exit_group(0)               = ?
[pid 21978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21131/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21131")                        = 0
mkdir("./21132", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21979
./strace-static-x86_64: Process 21979 attached
[pid 21979] set_robust_list(0x55558cab0660, 24) = 0
[pid 21979] chdir("./21132")            = 0
[pid 21979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21979] setpgid(0, 0)               = 0
[pid 21979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21979] write(3, "1000", 4)         = 4
[pid 21979] close(3)                    = 0
[pid 21979] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21979] write(1, "executing program\n", 18) = 18
[pid 21979] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21979] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21979] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21979] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21979] exit_group(0)               = ?
[pid 21979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21132", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21132/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21132")                        = 0
mkdir("./21133", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21980 attached
, child_tidptr=0x55558cab0650) = 21980
[pid 21980] set_robust_list(0x55558cab0660, 24) = 0
[pid 21980] chdir("./21133")            = 0
[pid 21980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21980] setpgid(0, 0)               = 0
[pid 21980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21980] write(3, "1000", 4)         = 4
[pid 21980] close(3)                    = 0
[pid 21980] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21980] write(1, "executing program\n", 18) = 18
[pid 21980] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21980] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21980] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21980] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21980] exit_group(0)               = ?
[pid 21980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21133/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21133")                        = 0
mkdir("./21134", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21981
./strace-static-x86_64: Process 21981 attached
[pid 21981] set_robust_list(0x55558cab0660, 24) = 0
[pid 21981] chdir("./21134")            = 0
[pid 21981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21981] setpgid(0, 0)               = 0
[pid 21981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21981] write(3, "1000", 4)         = 4
[pid 21981] close(3)                    = 0
[pid 21981] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21981] write(1, "executing program\n", 18executing program
) = 18
[pid 21981] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21981] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21981] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21981] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21981] exit_group(0)               = ?
[pid 21981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21134/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21134")                        = 0
mkdir("./21135", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21982
./strace-static-x86_64: Process 21982 attached
[pid 21982] set_robust_list(0x55558cab0660, 24) = 0
[pid 21982] chdir("./21135")            = 0
[pid 21982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21982] setpgid(0, 0)               = 0
[pid 21982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21982] write(3, "1000", 4)         = 4
[pid 21982] close(3)                    = 0
[pid 21982] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21982] write(1, "executing program\n", 18) = 18
[pid 21982] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21982] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21982] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21982] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21982] exit_group(0)               = ?
[pid 21982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21135/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21135")                        = 0
mkdir("./21136", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21983
./strace-static-x86_64: Process 21983 attached
[pid 21983] set_robust_list(0x55558cab0660, 24) = 0
[pid 21983] chdir("./21136")            = 0
[pid 21983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21983] setpgid(0, 0)               = 0
[pid 21983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21983] write(3, "1000", 4)         = 4
[pid 21983] close(3)                    = 0
[pid 21983] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21983] write(1, "executing program\n", 18) = 18
[pid 21983] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21983] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21983] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21983] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21983] exit_group(0)               = ?
[pid 21983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21136/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21136")                        = 0
mkdir("./21137", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21984
./strace-static-x86_64: Process 21984 attached
[pid 21984] set_robust_list(0x55558cab0660, 24) = 0
[pid 21984] chdir("./21137")            = 0
[pid 21984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21984] setpgid(0, 0)               = 0
[pid 21984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21984] write(3, "1000", 4)         = 4
[pid 21984] close(3)                    = 0
[pid 21984] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21984] write(1, "executing program\n", 18) = 18
[pid 21984] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21984] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21984] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21984] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21984] exit_group(0)               = ?
[pid 21984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21984, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21137/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21137")                        = 0
mkdir("./21138", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21985 attached
, child_tidptr=0x55558cab0650) = 21985
[pid 21985] set_robust_list(0x55558cab0660, 24) = 0
[pid 21985] chdir("./21138")            = 0
[pid 21985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21985] setpgid(0, 0)               = 0
[pid 21985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21985] write(3, "1000", 4)         = 4
[pid 21985] close(3)                    = 0
[pid 21985] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21985] write(1, "executing program\n", 18) = 18
[pid 21985] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21985] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21985] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21985] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21985] exit_group(0)               = ?
[pid 21985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21138/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21138")                        = 0
mkdir("./21139", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21986
./strace-static-x86_64: Process 21986 attached
[pid 21986] set_robust_list(0x55558cab0660, 24) = 0
[pid 21986] chdir("./21139")            = 0
[pid 21986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21986] setpgid(0, 0)               = 0
[pid 21986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21986] write(3, "1000", 4)         = 4
[pid 21986] close(3)                    = 0
[pid 21986] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21986] write(1, "executing program\n", 18) = 18
[pid 21986] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21986] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21986] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21986] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21986] exit_group(0)               = ?
[pid 21986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21139", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21139/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21139")                        = 0
mkdir("./21140", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21987
./strace-static-x86_64: Process 21987 attached
[pid 21987] set_robust_list(0x55558cab0660, 24) = 0
[pid 21987] chdir("./21140")            = 0
[pid 21987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21987] setpgid(0, 0)               = 0
[pid 21987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21987] write(3, "1000", 4)         = 4
[pid 21987] close(3)                    = 0
[pid 21987] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21987] write(1, "executing program\n", 18) = 18
[pid 21987] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21987] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21987] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21987] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21987] exit_group(0)               = ?
[pid 21987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21140", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21140/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21140")                        = 0
mkdir("./21141", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21988 attached
, child_tidptr=0x55558cab0650) = 21988
[pid 21988] set_robust_list(0x55558cab0660, 24) = 0
[pid 21988] chdir("./21141")            = 0
[pid 21988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21988] setpgid(0, 0)               = 0
[pid 21988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21988] write(3, "1000", 4)         = 4
[pid 21988] close(3)                    = 0
[pid 21988] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21988] write(1, "executing program\n", 18executing program
) = 18
[pid 21988] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21988] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21988] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21988] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21988] exit_group(0)               = ?
[pid 21988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21141/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21141")                        = 0
mkdir("./21142", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21989 attached
, child_tidptr=0x55558cab0650) = 21989
[pid 21989] set_robust_list(0x55558cab0660, 24) = 0
[pid 21989] chdir("./21142")            = 0
[pid 21989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21989] setpgid(0, 0)               = 0
[pid 21989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21989] write(3, "1000", 4)         = 4
[pid 21989] close(3)                    = 0
[pid 21989] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21989] write(1, "executing program\n", 18) = 18
[pid 21989] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21989] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21989] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21989] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21989] exit_group(0)               = ?
[pid 21989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21142/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21142")                        = 0
mkdir("./21143", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21990 attached
, child_tidptr=0x55558cab0650) = 21990
[pid 21990] set_robust_list(0x55558cab0660, 24) = 0
[pid 21990] chdir("./21143")            = 0
[pid 21990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21990] setpgid(0, 0)               = 0
[pid 21990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21990] write(3, "1000", 4)         = 4
[pid 21990] close(3)                    = 0
[pid 21990] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21990] write(1, "executing program\n", 18) = 18
[pid 21990] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21990] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21990] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21990] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21990] exit_group(0)               = ?
[pid 21990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21143", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21143/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21143")                        = 0
mkdir("./21144", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21991
./strace-static-x86_64: Process 21991 attached
[pid 21991] set_robust_list(0x55558cab0660, 24) = 0
[pid 21991] chdir("./21144")            = 0
[pid 21991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21991] setpgid(0, 0)               = 0
[pid 21991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21991] write(3, "1000", 4)         = 4
[pid 21991] close(3)                    = 0
[pid 21991] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21991] write(1, "executing program\n", 18) = 18
[pid 21991] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21991] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21991] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21991] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21991] exit_group(0)               = ?
[pid 21991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21144/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21144")                        = 0
mkdir("./21145", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21992
./strace-static-x86_64: Process 21992 attached
[pid 21992] set_robust_list(0x55558cab0660, 24) = 0
[pid 21992] chdir("./21145")            = 0
[pid 21992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21992] setpgid(0, 0)               = 0
[pid 21992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21992] write(3, "1000", 4)         = 4
executing program
[pid 21992] close(3)                    = 0
[pid 21992] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21992] write(1, "executing program\n", 18) = 18
[pid 21992] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21992] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21992] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21992] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21992] exit_group(0)               = ?
[pid 21992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21145/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21145")                        = 0
mkdir("./21146", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21993
./strace-static-x86_64: Process 21993 attached
[pid 21993] set_robust_list(0x55558cab0660, 24) = 0
[pid 21993] chdir("./21146")            = 0
[pid 21993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21993] setpgid(0, 0)               = 0
[pid 21993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21993] write(3, "1000", 4)         = 4
[pid 21993] close(3)                    = 0
[pid 21993] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21993] write(1, "executing program\n", 18) = 18
[pid 21993] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21993] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21993] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21993] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21993] exit_group(0)               = ?
[pid 21993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21146/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21146")                        = 0
mkdir("./21147", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21994
./strace-static-x86_64: Process 21994 attached
[pid 21994] set_robust_list(0x55558cab0660, 24) = 0
[pid 21994] chdir("./21147")            = 0
[pid 21994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21994] setpgid(0, 0)               = 0
[pid 21994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21994] write(3, "1000", 4)         = 4
[pid 21994] close(3)                    = 0
[pid 21994] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21994] write(1, "executing program\n", 18) = 18
[pid 21994] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21994] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21994] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21994] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21994] exit_group(0)               = ?
[pid 21994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21147", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21147/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21147")                        = 0
mkdir("./21148", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21995 attached
, child_tidptr=0x55558cab0650) = 21995
[pid 21995] set_robust_list(0x55558cab0660, 24) = 0
[pid 21995] chdir("./21148")            = 0
[pid 21995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21995] setpgid(0, 0)               = 0
[pid 21995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21995] write(3, "1000", 4)         = 4
[pid 21995] close(3)                    = 0
[pid 21995] symlink("/dev/binderfs", "./binderfs") = 0
[pid 21995] write(1, "executing program\n", 18executing program
) = 18
[pid 21995] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21995] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21995] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21995] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21995] exit_group(0)               = ?
[pid 21995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21148", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21148/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21148")                        = 0
mkdir("./21149", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21996 attached
, child_tidptr=0x55558cab0650) = 21996
[pid 21996] set_robust_list(0x55558cab0660, 24) = 0
[pid 21996] chdir("./21149")            = 0
[pid 21996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21996] setpgid(0, 0)               = 0
[pid 21996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21996] write(3, "1000", 4)         = 4
[pid 21996] close(3)                    = 0
[pid 21996] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21996] write(1, "executing program\n", 18) = 18
[pid 21996] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21996] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21996] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21996] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21996] exit_group(0)               = ?
[pid 21996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21149", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21149/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21149")                        = 0
mkdir("./21150", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21997
./strace-static-x86_64: Process 21997 attached
[pid 21997] set_robust_list(0x55558cab0660, 24) = 0
[pid 21997] chdir("./21150")            = 0
[pid 21997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21997] setpgid(0, 0)               = 0
[pid 21997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21997] write(3, "1000", 4)         = 4
[pid 21997] close(3)                    = 0
[pid 21997] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21997] write(1, "executing program\n", 18) = 18
[pid 21997] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21997] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21997] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21997] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21997] exit_group(0)               = ?
[pid 21997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21150", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21150/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21150")                        = 0
mkdir("./21151", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 21998
./strace-static-x86_64: Process 21998 attached
[pid 21998] set_robust_list(0x55558cab0660, 24) = 0
[pid 21998] chdir("./21151")            = 0
[pid 21998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21998] setpgid(0, 0)               = 0
[pid 21998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21998] write(3, "1000", 4)         = 4
[pid 21998] close(3)                    = 0
[pid 21998] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 21998] write(1, "executing program\n", 18) = 18
[pid 21998] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21998] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21998] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21998] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21998] exit_group(0)               = ?
[pid 21998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21151", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21151/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21151")                        = 0
mkdir("./21152", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21999 attached
, child_tidptr=0x55558cab0650) = 21999
[pid 21999] set_robust_list(0x55558cab0660, 24) = 0
[pid 21999] chdir("./21152")            = 0
[pid 21999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 21999] setpgid(0, 0)               = 0
[pid 21999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 21999] write(3, "1000", 4)         = 4
[pid 21999] close(3)                    = 0
[pid 21999] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 21999] write(1, "executing program\n", 18) = 18
[pid 21999] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 21999] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 21999] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 21999] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 21999] exit_group(0)               = ?
[pid 21999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21152/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21152")                        = 0
mkdir("./21153", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22000
./strace-static-x86_64: Process 22000 attached
[pid 22000] set_robust_list(0x55558cab0660, 24) = 0
[pid 22000] chdir("./21153")            = 0
[pid 22000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22000] setpgid(0, 0)               = 0
[pid 22000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22000] write(3, "1000", 4)         = 4
[pid 22000] close(3)                    = 0
[pid 22000] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22000] write(1, "executing program\n", 18) = 18
[pid 22000] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22000] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22000] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22000] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22000] exit_group(0)               = ?
[pid 22000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21153", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21153/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21153")                        = 0
mkdir("./21154", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22001
./strace-static-x86_64: Process 22001 attached
[pid 22001] set_robust_list(0x55558cab0660, 24) = 0
[pid 22001] chdir("./21154")            = 0
[pid 22001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22001] setpgid(0, 0)               = 0
[pid 22001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22001] write(3, "1000", 4)         = 4
[pid 22001] close(3)                    = 0
[pid 22001] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22001] write(1, "executing program\n", 18) = 18
[pid 22001] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22001] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22001] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22001] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22001] exit_group(0)               = ?
[pid 22001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21154/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21154")                        = 0
mkdir("./21155", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22002 attached
, child_tidptr=0x55558cab0650) = 22002
[pid 22002] set_robust_list(0x55558cab0660, 24) = 0
[pid 22002] chdir("./21155")            = 0
[pid 22002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22002] setpgid(0, 0)               = 0
[pid 22002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22002] write(3, "1000", 4)         = 4
[pid 22002] close(3)                    = 0
[pid 22002] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22002] write(1, "executing program\n", 18) = 18
[pid 22002] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22002] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22002] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22002] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22002] exit_group(0)               = ?
[pid 22002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21155", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21155/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21155")                        = 0
mkdir("./21156", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22003
./strace-static-x86_64: Process 22003 attached
[pid 22003] set_robust_list(0x55558cab0660, 24) = 0
[pid 22003] chdir("./21156")            = 0
[pid 22003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22003] setpgid(0, 0)               = 0
[pid 22003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22003] write(3, "1000", 4)         = 4
[pid 22003] close(3)                    = 0
[pid 22003] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22003] write(1, "executing program\n", 18executing program
) = 18
[pid 22003] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22003] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22003] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22003] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22003] exit_group(0)               = ?
[pid 22003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21156", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21156/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21156")                        = 0
mkdir("./21157", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22004
./strace-static-x86_64: Process 22004 attached
[pid 22004] set_robust_list(0x55558cab0660, 24) = 0
[pid 22004] chdir("./21157")            = 0
[pid 22004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22004] setpgid(0, 0)               = 0
[pid 22004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22004] write(3, "1000", 4)         = 4
[pid 22004] close(3)                    = 0
[pid 22004] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22004] write(1, "executing program\n", 18) = 18
[pid 22004] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22004] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22004] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22004] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22004] exit_group(0)               = ?
[pid 22004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21157", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21157/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21157")                        = 0
mkdir("./21158", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22005
./strace-static-x86_64: Process 22005 attached
[pid 22005] set_robust_list(0x55558cab0660, 24) = 0
[pid 22005] chdir("./21158")            = 0
[pid 22005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22005] setpgid(0, 0)               = 0
[pid 22005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22005] write(3, "1000", 4)         = 4
[pid 22005] close(3)                    = 0
[pid 22005] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22005] write(1, "executing program\n", 18) = 18
[pid 22005] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22005] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22005] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22005] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22005] exit_group(0)               = ?
[pid 22005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21158", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21158/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21158")                        = 0
mkdir("./21159", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22006 attached
, child_tidptr=0x55558cab0650) = 22006
[pid 22006] set_robust_list(0x55558cab0660, 24) = 0
[pid 22006] chdir("./21159")            = 0
[pid 22006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22006] setpgid(0, 0)               = 0
[pid 22006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22006] write(3, "1000", 4)         = 4
[pid 22006] close(3)                    = 0
[pid 22006] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22006] write(1, "executing program\n", 18) = 18
[pid 22006] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22006] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22006] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22006] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22006] exit_group(0)               = ?
[pid 22006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21159/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21159")                        = 0
mkdir("./21160", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22008
./strace-static-x86_64: Process 22008 attached
[pid 22008] set_robust_list(0x55558cab0660, 24) = 0
[pid 22008] chdir("./21160")            = 0
[pid 22008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22008] setpgid(0, 0)               = 0
[pid 22008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22008] write(3, "1000", 4)         = 4
[pid 22008] close(3)                    = 0
[pid 22008] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22008] write(1, "executing program\n", 18) = 18
[pid 22008] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22008] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22008] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22008] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22008] exit_group(0)               = ?
[pid 22008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21160/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21160")                        = 0
mkdir("./21161", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22009 attached
, child_tidptr=0x55558cab0650) = 22009
[pid 22009] set_robust_list(0x55558cab0660, 24) = 0
[pid 22009] chdir("./21161")            = 0
[pid 22009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22009] setpgid(0, 0)               = 0
[pid 22009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22009] write(3, "1000", 4)         = 4
[pid 22009] close(3)                    = 0
[pid 22009] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22009] write(1, "executing program\n", 18) = 18
[pid 22009] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22009] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22009] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22009] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22009] exit_group(0)               = ?
[pid 22009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21161/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21161")                        = 0
mkdir("./21162", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22010
./strace-static-x86_64: Process 22010 attached
[pid 22010] set_robust_list(0x55558cab0660, 24) = 0
[pid 22010] chdir("./21162")            = 0
[pid 22010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22010] setpgid(0, 0)               = 0
[pid 22010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22010] write(3, "1000", 4)         = 4
[pid 22010] close(3)                    = 0
[pid 22010] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22010] write(1, "executing program\n", 18executing program
) = 18
[pid 22010] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22010] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22010] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22010] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22010] exit_group(0)               = ?
[pid 22010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21162", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21162/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21162")                        = 0
mkdir("./21163", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22011
./strace-static-x86_64: Process 22011 attached
[pid 22011] set_robust_list(0x55558cab0660, 24) = 0
[pid 22011] chdir("./21163")            = 0
[pid 22011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22011] setpgid(0, 0)               = 0
[pid 22011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22011] write(3, "1000", 4)         = 4
[pid 22011] close(3)                    = 0
[pid 22011] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22011] write(1, "executing program\n", 18) = 18
[pid 22011] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22011] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22011] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22011] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22011] exit_group(0)               = ?
[pid 22011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21163", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21163/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21163")                        = 0
mkdir("./21164", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22012
./strace-static-x86_64: Process 22012 attached
[pid 22012] set_robust_list(0x55558cab0660, 24) = 0
[pid 22012] chdir("./21164")            = 0
[pid 22012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22012] setpgid(0, 0)               = 0
[pid 22012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22012] write(3, "1000", 4)         = 4
[pid 22012] close(3)                    = 0
[pid 22012] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22012] write(1, "executing program\n", 18) = 18
[pid 22012] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22012] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22012] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22012] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22012] exit_group(0)               = ?
[pid 22012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21164/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21164")                        = 0
mkdir("./21165", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22013 attached
, child_tidptr=0x55558cab0650) = 22013
[pid 22013] set_robust_list(0x55558cab0660, 24) = 0
[pid 22013] chdir("./21165")            = 0
[pid 22013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22013] setpgid(0, 0)               = 0
[pid 22013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22013] write(3, "1000", 4)         = 4
[pid 22013] close(3)                    = 0
[pid 22013] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22013] write(1, "executing program\n", 18executing program
) = 18
[pid 22013] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22013] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22013] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22013] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22013] exit_group(0)               = ?
[pid 22013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21165", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21165/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21165")                        = 0
mkdir("./21166", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22014
./strace-static-x86_64: Process 22014 attached
[pid 22014] set_robust_list(0x55558cab0660, 24) = 0
[pid 22014] chdir("./21166")            = 0
[pid 22014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22014] setpgid(0, 0)               = 0
[pid 22014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22014] write(3, "1000", 4)         = 4
[pid 22014] close(3)                    = 0
[pid 22014] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22014] write(1, "executing program\n", 18) = 18
[pid 22014] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22014] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22014] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22014] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22014] exit_group(0)               = ?
[pid 22014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21166", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21166/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21166")                        = 0
mkdir("./21167", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22015
./strace-static-x86_64: Process 22015 attached
[pid 22015] set_robust_list(0x55558cab0660, 24) = 0
[pid 22015] chdir("./21167")            = 0
[pid 22015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22015] setpgid(0, 0)               = 0
[pid 22015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22015] write(3, "1000", 4)         = 4
[pid 22015] close(3)                    = 0
[pid 22015] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22015] write(1, "executing program\n", 18executing program
) = 18
[pid 22015] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22015] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22015] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22015] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22015] exit_group(0)               = ?
[pid 22015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21167", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21167/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21167")                        = 0
mkdir("./21168", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22016
./strace-static-x86_64: Process 22016 attached
[pid 22016] set_robust_list(0x55558cab0660, 24) = 0
[pid 22016] chdir("./21168")            = 0
[pid 22016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22016] setpgid(0, 0)               = 0
[pid 22016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22016] write(3, "1000", 4)         = 4
[pid 22016] close(3)                    = 0
[pid 22016] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22016] write(1, "executing program\n", 18executing program
) = 18
[pid 22016] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22016] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22016] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22016] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22016] exit_group(0)               = ?
[pid 22016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21168", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21168/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21168")                        = 0
mkdir("./21169", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22017 attached
, child_tidptr=0x55558cab0650) = 22017
[pid 22017] set_robust_list(0x55558cab0660, 24) = 0
[pid 22017] chdir("./21169")            = 0
[pid 22017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22017] setpgid(0, 0)               = 0
[pid 22017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22017] write(3, "1000", 4)         = 4
[pid 22017] close(3)                    = 0
[pid 22017] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22017] write(1, "executing program\n", 18executing program
) = 18
[pid 22017] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22017] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22017] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22017] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22017] exit_group(0)               = ?
[pid 22017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21169/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21169")                        = 0
mkdir("./21170", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22018
./strace-static-x86_64: Process 22018 attached
[pid 22018] set_robust_list(0x55558cab0660, 24) = 0
[pid 22018] chdir("./21170")            = 0
[pid 22018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22018] setpgid(0, 0)               = 0
[pid 22018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22018] write(3, "1000", 4)         = 4
[pid 22018] close(3)                    = 0
[pid 22018] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22018] write(1, "executing program\n", 18) = 18
[pid 22018] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22018] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22018] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22018] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22018] exit_group(0)               = ?
[pid 22018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21170", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21170/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21170")                        = 0
mkdir("./21171", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22019 attached
, child_tidptr=0x55558cab0650) = 22019
[pid 22019] set_robust_list(0x55558cab0660, 24) = 0
[pid 22019] chdir("./21171")            = 0
[pid 22019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22019] setpgid(0, 0)               = 0
[pid 22019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22019] write(3, "1000", 4)         = 4
[pid 22019] close(3)                    = 0
[pid 22019] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22019] write(1, "executing program\n", 18) = 18
[pid 22019] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22019] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22019] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22019] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22019] exit_group(0)               = ?
[pid 22019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21171/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21171")                        = 0
mkdir("./21172", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22020
./strace-static-x86_64: Process 22020 attached
[pid 22020] set_robust_list(0x55558cab0660, 24) = 0
[pid 22020] chdir("./21172")            = 0
[pid 22020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22020] setpgid(0, 0)               = 0
[pid 22020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22020] write(3, "1000", 4)         = 4
[pid 22020] close(3)                    = 0
[pid 22020] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22020] write(1, "executing program\n", 18) = 18
[pid 22020] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22020] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22020] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22020] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22020] exit_group(0)               = ?
[pid 22020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21172", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21172/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21172")                        = 0
mkdir("./21173", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22021
./strace-static-x86_64: Process 22021 attached
[pid 22021] set_robust_list(0x55558cab0660, 24) = 0
[pid 22021] chdir("./21173")            = 0
[pid 22021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22021] setpgid(0, 0)               = 0
[pid 22021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22021] write(3, "1000", 4)         = 4
[pid 22021] close(3)                    = 0
[pid 22021] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22021] write(1, "executing program\n", 18) = 18
[pid 22021] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22021] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22021] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22021] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22021] exit_group(0)               = ?
[pid 22021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21173", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21173/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21173")                        = 0
mkdir("./21174", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22022 attached
, child_tidptr=0x55558cab0650) = 22022
[pid 22022] set_robust_list(0x55558cab0660, 24) = 0
[pid 22022] chdir("./21174")            = 0
[pid 22022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22022] setpgid(0, 0)               = 0
[pid 22022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22022] write(3, "1000", 4)         = 4
[pid 22022] close(3)                    = 0
[pid 22022] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22022] write(1, "executing program\n", 18executing program
) = 18
[pid 22022] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22022] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22022] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22022] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22022] exit_group(0)               = ?
[pid 22022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21174", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21174/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21174")                        = 0
mkdir("./21175", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22023 attached
, child_tidptr=0x55558cab0650) = 22023
[pid 22023] set_robust_list(0x55558cab0660, 24) = 0
[pid 22023] chdir("./21175")            = 0
[pid 22023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22023] setpgid(0, 0)               = 0
[pid 22023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22023] write(3, "1000", 4)         = 4
[pid 22023] close(3)                    = 0
[pid 22023] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22023] write(1, "executing program\n", 18) = 18
[pid 22023] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22023] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22023] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22023] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22023] exit_group(0)               = ?
[pid 22023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21175", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21175/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21175")                        = 0
mkdir("./21176", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22024
./strace-static-x86_64: Process 22024 attached
[pid 22024] set_robust_list(0x55558cab0660, 24) = 0
[pid 22024] chdir("./21176")            = 0
[pid 22024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22024] setpgid(0, 0)               = 0
[pid 22024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22024] write(3, "1000", 4)         = 4
[pid 22024] close(3)                    = 0
[pid 22024] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22024] write(1, "executing program\n", 18executing program
) = 18
[pid 22024] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22024] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22024] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22024] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22024] exit_group(0)               = ?
[pid 22024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21176", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21176/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21176")                        = 0
mkdir("./21177", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22025
./strace-static-x86_64: Process 22025 attached
[pid 22025] set_robust_list(0x55558cab0660, 24) = 0
[pid 22025] chdir("./21177")            = 0
[pid 22025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22025] setpgid(0, 0)               = 0
[pid 22025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22025] write(3, "1000", 4)         = 4
[pid 22025] close(3)                    = 0
[pid 22025] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22025] write(1, "executing program\n", 18executing program
) = 18
[pid 22025] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22025] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22025] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22025] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22025] exit_group(0)               = ?
[pid 22025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21177", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21177/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21177")                        = 0
mkdir("./21178", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22026 attached
, child_tidptr=0x55558cab0650) = 22026
[pid 22026] set_robust_list(0x55558cab0660, 24) = 0
[pid 22026] chdir("./21178")            = 0
[pid 22026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22026] setpgid(0, 0)               = 0
[pid 22026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22026] write(3, "1000", 4)         = 4
[pid 22026] close(3)                    = 0
[pid 22026] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22026] write(1, "executing program\n", 18executing program
) = 18
[pid 22026] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22026] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22026] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22026] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22026] exit_group(0)               = ?
[pid 22026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21178", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21178/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21178")                        = 0
mkdir("./21179", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22027
./strace-static-x86_64: Process 22027 attached
[pid 22027] set_robust_list(0x55558cab0660, 24) = 0
[pid 22027] chdir("./21179")            = 0
[pid 22027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22027] setpgid(0, 0)               = 0
[pid 22027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22027] write(3, "1000", 4)         = 4
[pid 22027] close(3)                    = 0
[pid 22027] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22027] write(1, "executing program\n", 18executing program
) = 18
[pid 22027] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22027] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22027] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22027] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22027] exit_group(0)               = ?
[pid 22027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21179", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21179/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21179")                        = 0
mkdir("./21180", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22028
./strace-static-x86_64: Process 22028 attached
[pid 22028] set_robust_list(0x55558cab0660, 24) = 0
[pid 22028] chdir("./21180")            = 0
[pid 22028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22028] setpgid(0, 0)               = 0
[pid 22028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22028] write(3, "1000", 4)         = 4
[pid 22028] close(3)                    = 0
[pid 22028] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22028] write(1, "executing program\n", 18) = 18
[pid 22028] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22028] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22028] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22028] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22028] exit_group(0)               = ?
[pid 22028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22028, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21180", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21180/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21180")                        = 0
mkdir("./21181", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22029
./strace-static-x86_64: Process 22029 attached
[pid 22029] set_robust_list(0x55558cab0660, 24) = 0
[pid 22029] chdir("./21181")            = 0
[pid 22029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22029] setpgid(0, 0)               = 0
[pid 22029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22029] write(3, "1000", 4)         = 4
[pid 22029] close(3)                    = 0
[pid 22029] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22029] write(1, "executing program\n", 18executing program
) = 18
[pid 22029] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22029] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22029] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22029] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22029] exit_group(0)               = ?
[pid 22029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21181", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21181/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21181")                        = 0
mkdir("./21182", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22030
./strace-static-x86_64: Process 22030 attached
[pid 22030] set_robust_list(0x55558cab0660, 24) = 0
[pid 22030] chdir("./21182")            = 0
[pid 22030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22030] setpgid(0, 0)               = 0
[pid 22030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22030] write(3, "1000", 4)         = 4
[pid 22030] close(3)                    = 0
[pid 22030] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22030] write(1, "executing program\n", 18executing program
) = 18
[pid 22030] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22030] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22030] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22030] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22030] exit_group(0)               = ?
[pid 22030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21182", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21182/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21182")                        = 0
mkdir("./21183", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22031
./strace-static-x86_64: Process 22031 attached
[pid 22031] set_robust_list(0x55558cab0660, 24) = 0
[pid 22031] chdir("./21183")            = 0
[pid 22031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22031] setpgid(0, 0)               = 0
[pid 22031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22031] write(3, "1000", 4)         = 4
[pid 22031] close(3executing program
)                    = 0
[pid 22031] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22031] write(1, "executing program\n", 18) = 18
[pid 22031] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22031] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22031] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22031] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22031] exit_group(0)               = ?
[pid 22031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21183", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21183/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21183")                        = 0
mkdir("./21184", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22032
./strace-static-x86_64: Process 22032 attached
[pid 22032] set_robust_list(0x55558cab0660, 24) = 0
[pid 22032] chdir("./21184")            = 0
[pid 22032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22032] setpgid(0, 0)               = 0
[pid 22032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22032] write(3, "1000", 4)         = 4
[pid 22032] close(3)                    = 0
[pid 22032] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22032] write(1, "executing program\n", 18) = 18
[pid 22032] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22032] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22032] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22032] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22032] exit_group(0)               = ?
[pid 22032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21184", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21184/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21184")                        = 0
mkdir("./21185", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22033 attached
, child_tidptr=0x55558cab0650) = 22033
[pid 22033] set_robust_list(0x55558cab0660, 24) = 0
[pid 22033] chdir("./21185")            = 0
[pid 22033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22033] setpgid(0, 0)               = 0
[pid 22033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22033] write(3, "1000", 4)         = 4
[pid 22033] close(3)                    = 0
[pid 22033] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22033] write(1, "executing program\n", 18executing program
) = 18
[pid 22033] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22033] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22033] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22033] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22033] exit_group(0)               = ?
[pid 22033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21185", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21185/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21185")                        = 0
mkdir("./21186", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22034
./strace-static-x86_64: Process 22034 attached
[pid 22034] set_robust_list(0x55558cab0660, 24) = 0
[pid 22034] chdir("./21186")            = 0
[pid 22034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22034] setpgid(0, 0)               = 0
[pid 22034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22034] write(3, "1000", 4)         = 4
[pid 22034] close(3)                    = 0
[pid 22034] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22034] write(1, "executing program\n", 18) = 18
[pid 22034] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22034] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22034] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22034] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22034] exit_group(0)               = ?
[pid 22034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21186", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21186/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21186")                        = 0
mkdir("./21187", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22035
./strace-static-x86_64: Process 22035 attached
[pid 22035] set_robust_list(0x55558cab0660, 24) = 0
[pid 22035] chdir("./21187")            = 0
[pid 22035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22035] setpgid(0, 0)               = 0
[pid 22035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22035] write(3, "1000", 4)         = 4
[pid 22035] close(3)                    = 0
[pid 22035] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22035] write(1, "executing program\n", 18) = 18
[pid 22035] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22035] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22035] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22035] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22035] exit_group(0)               = ?
[pid 22035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21187", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21187/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21187")                        = 0
mkdir("./21188", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22036 attached
, child_tidptr=0x55558cab0650) = 22036
[pid 22036] set_robust_list(0x55558cab0660, 24) = 0
[pid 22036] chdir("./21188")            = 0
[pid 22036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22036] setpgid(0, 0)               = 0
[pid 22036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22036] write(3, "1000", 4)         = 4
[pid 22036] close(3)                    = 0
[pid 22036] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22036] write(1, "executing program\n", 18) = 18
[pid 22036] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22036] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22036] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22036] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22036] exit_group(0)               = ?
[pid 22036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21188", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21188/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21188")                        = 0
mkdir("./21189", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22037
./strace-static-x86_64: Process 22037 attached
[pid 22037] set_robust_list(0x55558cab0660, 24) = 0
[pid 22037] chdir("./21189")            = 0
[pid 22037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22037] setpgid(0, 0)               = 0
[pid 22037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22037] write(3, "1000", 4)         = 4
[pid 22037] close(3)                    = 0
[pid 22037] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22037] write(1, "executing program\n", 18) = 18
[pid 22037] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22037] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22037] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22037] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22037] exit_group(0)               = ?
[pid 22037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21189", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21189/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21189")                        = 0
mkdir("./21190", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22038 attached
, child_tidptr=0x55558cab0650) = 22038
[pid 22038] set_robust_list(0x55558cab0660, 24) = 0
[pid 22038] chdir("./21190")            = 0
[pid 22038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22038] setpgid(0, 0)               = 0
[pid 22038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22038] write(3, "1000", 4)         = 4
[pid 22038] close(3)                    = 0
[pid 22038] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22038] write(1, "executing program\n", 18) = 18
[pid 22038] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22038] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22038] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22038] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22038] exit_group(0)               = ?
[pid 22038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21190", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21190/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21190")                        = 0
mkdir("./21191", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22039
./strace-static-x86_64: Process 22039 attached
[pid 22039] set_robust_list(0x55558cab0660, 24) = 0
[pid 22039] chdir("./21191")            = 0
[pid 22039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22039] setpgid(0, 0)               = 0
[pid 22039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22039] write(3, "1000", 4)         = 4
[pid 22039] close(3)                    = 0
[pid 22039] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22039] write(1, "executing program\n", 18) = 18
[pid 22039] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22039] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22039] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22039] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22039] exit_group(0)               = ?
[pid 22039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21191", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21191/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21191")                        = 0
mkdir("./21192", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22040
./strace-static-x86_64: Process 22040 attached
[pid 22040] set_robust_list(0x55558cab0660, 24) = 0
[pid 22040] chdir("./21192")            = 0
[pid 22040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22040] setpgid(0, 0)               = 0
[pid 22040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22040] write(3, "1000", 4)         = 4
[pid 22040] close(3)                    = 0
[pid 22040] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22040] write(1, "executing program\n", 18) = 18
[pid 22040] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22040] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22040] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22040] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22040] exit_group(0)               = ?
[pid 22040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21192", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21192/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21192")                        = 0
mkdir("./21193", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22041
./strace-static-x86_64: Process 22041 attached
[pid 22041] set_robust_list(0x55558cab0660, 24) = 0
[pid 22041] chdir("./21193")            = 0
[pid 22041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22041] setpgid(0, 0)               = 0
[pid 22041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22041] write(3, "1000", 4)         = 4
[pid 22041] close(3)                    = 0
[pid 22041] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22041] write(1, "executing program\n", 18executing program
) = 18
[pid 22041] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22041] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22041] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22041] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22041] exit_group(0)               = ?
[pid 22041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21193", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21193/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21193")                        = 0
mkdir("./21194", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22042 attached
, child_tidptr=0x55558cab0650) = 22042
[pid 22042] set_robust_list(0x55558cab0660, 24) = 0
[pid 22042] chdir("./21194")            = 0
[pid 22042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22042] setpgid(0, 0)               = 0
[pid 22042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22042] write(3, "1000", 4)         = 4
[pid 22042] close(3)                    = 0
[pid 22042] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22042] write(1, "executing program\n", 18) = 18
[pid 22042] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22042] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22042] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22042] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22042] exit_group(0)               = ?
[pid 22042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21194", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21194/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21194")                        = 0
mkdir("./21195", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22043
./strace-static-x86_64: Process 22043 attached
[pid 22043] set_robust_list(0x55558cab0660, 24) = 0
[pid 22043] chdir("./21195")            = 0
[pid 22043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22043] setpgid(0, 0)               = 0
[pid 22043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22043] write(3, "1000", 4)         = 4
[pid 22043] close(3)                    = 0
[pid 22043] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22043] write(1, "executing program\n", 18) = 18
[pid 22043] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22043] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22043] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22043] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22043] exit_group(0)               = ?
[pid 22043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21195", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21195/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21195")                        = 0
mkdir("./21196", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22044 attached
, child_tidptr=0x55558cab0650) = 22044
[pid 22044] set_robust_list(0x55558cab0660, 24) = 0
[pid 22044] chdir("./21196")            = 0
[pid 22044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22044] setpgid(0, 0)               = 0
[pid 22044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22044] write(3, "1000", 4)         = 4
[pid 22044] close(3)                    = 0
[pid 22044] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22044] write(1, "executing program\n", 18) = 18
[pid 22044] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22044] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22044] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22044] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22044] exit_group(0)               = ?
[pid 22044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21196", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21196/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21196")                        = 0
mkdir("./21197", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22045
./strace-static-x86_64: Process 22045 attached
[pid 22045] set_robust_list(0x55558cab0660, 24) = 0
[pid 22045] chdir("./21197")            = 0
[pid 22045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22045] setpgid(0, 0)               = 0
[pid 22045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22045] write(3, "1000", 4)         = 4
[pid 22045] close(3)                    = 0
[pid 22045] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22045] write(1, "executing program\n", 18) = 18
[pid 22045] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22045] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22045] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22045] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22045] exit_group(0)               = ?
[pid 22045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21197", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21197/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21197")                        = 0
mkdir("./21198", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22046 attached
, child_tidptr=0x55558cab0650) = 22046
[pid 22046] set_robust_list(0x55558cab0660, 24) = 0
[pid 22046] chdir("./21198")            = 0
[pid 22046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22046] setpgid(0, 0)               = 0
[pid 22046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22046] write(3, "1000", 4)         = 4
[pid 22046] close(3)                    = 0
[pid 22046] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22046] write(1, "executing program\n", 18) = 18
[pid 22046] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22046] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22046] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22046] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22046] exit_group(0)               = ?
[pid 22046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21198", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21198/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21198")                        = 0
mkdir("./21199", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22047 attached
, child_tidptr=0x55558cab0650) = 22047
[pid 22047] set_robust_list(0x55558cab0660, 24) = 0
[pid 22047] chdir("./21199")            = 0
[pid 22047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22047] setpgid(0, 0)               = 0
[pid 22047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22047] write(3, "1000", 4)         = 4
[pid 22047] close(3)                    = 0
[pid 22047] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22047] write(1, "executing program\n", 18) = 18
[pid 22047] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22047] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22047] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22047] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22047] exit_group(0)               = ?
[pid 22047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21199", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21199/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21199")                        = 0
mkdir("./21200", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22048
./strace-static-x86_64: Process 22048 attached
[pid 22048] set_robust_list(0x55558cab0660, 24) = 0
[pid 22048] chdir("./21200")            = 0
[pid 22048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22048] setpgid(0, 0)               = 0
[pid 22048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22048] write(3, "1000", 4)         = 4
[pid 22048] close(3)                    = 0
[pid 22048] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22048] write(1, "executing program\n", 18) = 18
[pid 22048] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22048] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22048] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22048] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22048] exit_group(0)               = ?
[pid 22048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21200", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21200/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21200")                        = 0
mkdir("./21201", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22049
./strace-static-x86_64: Process 22049 attached
[pid 22049] set_robust_list(0x55558cab0660, 24) = 0
[pid 22049] chdir("./21201")            = 0
[pid 22049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22049] setpgid(0, 0)               = 0
[pid 22049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22049] write(3, "1000", 4)         = 4
[pid 22049] close(3)                    = 0
[pid 22049] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22049] write(1, "executing program\n", 18executing program
) = 18
[pid 22049] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22049] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22049] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22049] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22049] exit_group(0)               = ?
[pid 22049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21201", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21201/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21201")                        = 0
mkdir("./21202", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22050
./strace-static-x86_64: Process 22050 attached
[pid 22050] set_robust_list(0x55558cab0660, 24) = 0
[pid 22050] chdir("./21202")            = 0
[pid 22050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22050] setpgid(0, 0)               = 0
[pid 22050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22050] write(3, "1000", 4)         = 4
[pid 22050] close(3)                    = 0
[pid 22050] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22050] write(1, "executing program\n", 18) = 18
executing program
[pid 22050] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22050] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22050] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22050] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22050] exit_group(0)               = ?
[pid 22050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21202", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21202/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21202")                        = 0
mkdir("./21203", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22051 attached
, child_tidptr=0x55558cab0650) = 22051
[pid 22051] set_robust_list(0x55558cab0660, 24) = 0
[pid 22051] chdir("./21203")            = 0
[pid 22051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22051] setpgid(0, 0)               = 0
[pid 22051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22051] write(3, "1000", 4)         = 4
[pid 22051] close(3)                    = 0
[pid 22051] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22051] write(1, "executing program\n", 18executing program
) = 18
[pid 22051] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22051] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22051] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22051] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22051] exit_group(0)               = ?
[pid 22051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21203", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21203/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21203")                        = 0
mkdir("./21204", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22052 attached
, child_tidptr=0x55558cab0650) = 22052
[pid 22052] set_robust_list(0x55558cab0660, 24) = 0
[pid 22052] chdir("./21204")            = 0
[pid 22052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22052] setpgid(0, 0)               = 0
[pid 22052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22052] write(3, "1000", 4)         = 4
[pid 22052] close(3)                    = 0
[pid 22052] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22052] write(1, "executing program\n", 18executing program
) = 18
[pid 22052] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22052] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22052] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22052] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22052] exit_group(0)               = ?
[pid 22052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21204", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21204/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21204")                        = 0
mkdir("./21205", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22053
./strace-static-x86_64: Process 22053 attached
[pid 22053] set_robust_list(0x55558cab0660, 24) = 0
[pid 22053] chdir("./21205")            = 0
[pid 22053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22053] setpgid(0, 0)               = 0
[pid 22053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22053] write(3, "1000", 4)         = 4
[pid 22053] close(3)                    = 0
[pid 22053] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22053] write(1, "executing program\n", 18executing program
) = 18
[pid 22053] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22053] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22053] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22053] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22053] exit_group(0)               = ?
[pid 22053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21205", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21205/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21205")                        = 0
mkdir("./21206", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22054
./strace-static-x86_64: Process 22054 attached
[pid 22054] set_robust_list(0x55558cab0660, 24) = 0
[pid 22054] chdir("./21206")            = 0
[pid 22054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22054] setpgid(0, 0)               = 0
[pid 22054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22054] write(3, "1000", 4)         = 4
[pid 22054] close(3)                    = 0
executing program
[pid 22054] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22054] write(1, "executing program\n", 18) = 18
[pid 22054] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22054] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22054] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22054] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22054] exit_group(0)               = ?
[pid 22054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21206", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21206/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21206")                        = 0
mkdir("./21207", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22055 attached
, child_tidptr=0x55558cab0650) = 22055
[pid 22055] set_robust_list(0x55558cab0660, 24) = 0
[pid 22055] chdir("./21207")            = 0
[pid 22055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22055] setpgid(0, 0)               = 0
[pid 22055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22055] write(3, "1000", 4)         = 4
[pid 22055] close(3)                    = 0
[pid 22055] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22055] write(1, "executing program\n", 18) = 18
[pid 22055] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22055] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22055] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22055] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22055] exit_group(0)               = ?
[pid 22055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21207", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21207/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21207")                        = 0
mkdir("./21208", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22056 attached
, child_tidptr=0x55558cab0650) = 22056
[pid 22056] set_robust_list(0x55558cab0660, 24) = 0
[pid 22056] chdir("./21208")            = 0
[pid 22056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22056] setpgid(0, 0)               = 0
[pid 22056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22056] write(3, "1000", 4)         = 4
[pid 22056] close(3)                    = 0
[pid 22056] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22056] write(1, "executing program\n", 18executing program
) = 18
[pid 22056] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22056] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22056] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22056] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22056] exit_group(0)               = ?
[pid 22056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21208", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21208/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21208")                        = 0
mkdir("./21209", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22057
./strace-static-x86_64: Process 22057 attached
[pid 22057] set_robust_list(0x55558cab0660, 24) = 0
[pid 22057] chdir("./21209")            = 0
[pid 22057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22057] setpgid(0, 0)               = 0
[pid 22057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22057] write(3, "1000", 4)         = 4
[pid 22057] close(3)                    = 0
[pid 22057] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22057] write(1, "executing program\n", 18executing program
) = 18
[pid 22057] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22057] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22057] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22057] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22057] exit_group(0)               = ?
[pid 22057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21209", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21209/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21209")                        = 0
mkdir("./21210", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22058 attached
, child_tidptr=0x55558cab0650) = 22058
[pid 22058] set_robust_list(0x55558cab0660, 24) = 0
[pid 22058] chdir("./21210")            = 0
[pid 22058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22058] setpgid(0, 0)               = 0
[pid 22058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22058] write(3, "1000", 4)         = 4
[pid 22058] close(3)                    = 0
[pid 22058] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22058] write(1, "executing program\n", 18executing program
) = 18
[pid 22058] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22058] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22058] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22058] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22058] exit_group(0)               = ?
[pid 22058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21210", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21210/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21210")                        = 0
mkdir("./21211", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22059
./strace-static-x86_64: Process 22059 attached
[pid 22059] set_robust_list(0x55558cab0660, 24) = 0
[pid 22059] chdir("./21211")            = 0
[pid 22059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22059] setpgid(0, 0)               = 0
[pid 22059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22059] write(3, "1000", 4)         = 4
[pid 22059] close(3)                    = 0
[pid 22059] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22059] write(1, "executing program\n", 18) = 18
[pid 22059] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22059] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22059] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22059] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22059] exit_group(0)               = ?
[pid 22059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21211", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21211/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21211")                        = 0
mkdir("./21212", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22060 attached
, child_tidptr=0x55558cab0650) = 22060
[pid 22060] set_robust_list(0x55558cab0660, 24) = 0
[pid 22060] chdir("./21212")            = 0
[pid 22060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22060] setpgid(0, 0)               = 0
[pid 22060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22060] write(3, "1000", 4)         = 4
[pid 22060] close(3)                    = 0
[pid 22060] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22060] write(1, "executing program\n", 18executing program
) = 18
[pid 22060] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22060] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22060] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22060] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22060] exit_group(0)               = ?
[pid 22060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21212", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21212/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21212")                        = 0
mkdir("./21213", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22061 attached
, child_tidptr=0x55558cab0650) = 22061
[pid 22061] set_robust_list(0x55558cab0660, 24) = 0
[pid 22061] chdir("./21213")            = 0
[pid 22061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22061] setpgid(0, 0)               = 0
[pid 22061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22061] write(3, "1000", 4)         = 4
[pid 22061] close(3)                    = 0
[pid 22061] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22061] write(1, "executing program\n", 18) = 18
[pid 22061] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22061] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22061] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22061] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22061] exit_group(0)               = ?
[pid 22061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21213", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21213/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21213")                        = 0
mkdir("./21214", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22062 attached
, child_tidptr=0x55558cab0650) = 22062
[pid 22062] set_robust_list(0x55558cab0660, 24) = 0
[pid 22062] chdir("./21214")            = 0
[pid 22062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22062] setpgid(0, 0)               = 0
[pid 22062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22062] write(3, "1000", 4)         = 4
[pid 22062] close(3)                    = 0
[pid 22062] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22062] write(1, "executing program\n", 18) = 18
[pid 22062] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22062] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22062] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22062] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22062] exit_group(0)               = ?
[pid 22062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22062, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21214", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21214/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21214")                        = 0
mkdir("./21215", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22063 attached
, child_tidptr=0x55558cab0650) = 22063
[pid 22063] set_robust_list(0x55558cab0660, 24) = 0
[pid 22063] chdir("./21215")            = 0
[pid 22063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22063] setpgid(0, 0)               = 0
[pid 22063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22063] write(3, "1000", 4)         = 4
[pid 22063] close(3)                    = 0
[pid 22063] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22063] write(1, "executing program\n", 18executing program
) = 18
[pid 22063] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22063] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22063] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22063] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22063] exit_group(0)               = ?
[pid 22063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21215", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21215/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21215")                        = 0
mkdir("./21216", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22064 attached
, child_tidptr=0x55558cab0650) = 22064
[pid 22064] set_robust_list(0x55558cab0660, 24) = 0
[pid 22064] chdir("./21216")            = 0
[pid 22064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22064] setpgid(0, 0)               = 0
[pid 22064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22064] write(3, "1000", 4)         = 4
[pid 22064] close(3)                    = 0
[pid 22064] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22064] write(1, "executing program\n", 18) = 18
[pid 22064] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22064] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22064] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22064] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22064] exit_group(0)               = ?
[pid 22064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21216", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21216/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21216")                        = 0
mkdir("./21217", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22065
./strace-static-x86_64: Process 22065 attached
[pid 22065] set_robust_list(0x55558cab0660, 24) = 0
[pid 22065] chdir("./21217")            = 0
[pid 22065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22065] setpgid(0, 0)               = 0
[pid 22065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22065] write(3, "1000", 4)         = 4
[pid 22065] close(3)                    = 0
[pid 22065] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22065] write(1, "executing program\n", 18) = 18
[pid 22065] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22065] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22065] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22065] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22065] exit_group(0)               = ?
[pid 22065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21217", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21217/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21217")                        = 0
mkdir("./21218", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22066 attached
, child_tidptr=0x55558cab0650) = 22066
[pid 22066] set_robust_list(0x55558cab0660, 24) = 0
[pid 22066] chdir("./21218")            = 0
[pid 22066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22066] setpgid(0, 0)               = 0
[pid 22066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22066] write(3, "1000", 4)         = 4
[pid 22066] close(3)                    = 0
[pid 22066] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22066] write(1, "executing program\n", 18) = 18
executing program
[pid 22066] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22066] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22066] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22066] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22066] exit_group(0)               = ?
[pid 22066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21218", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21218/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21218")                        = 0
mkdir("./21219", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22067
./strace-static-x86_64: Process 22067 attached
[pid 22067] set_robust_list(0x55558cab0660, 24) = 0
[pid 22067] chdir("./21219")            = 0
[pid 22067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22067] setpgid(0, 0)               = 0
[pid 22067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22067] write(3, "1000", 4)         = 4
[pid 22067] close(3)                    = 0
[pid 22067] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22067] write(1, "executing program\n", 18) = 18
[pid 22067] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22067] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22067] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22067] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22067] exit_group(0)               = ?
[pid 22067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21219", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21219/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21219")                        = 0
mkdir("./21220", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22068
./strace-static-x86_64: Process 22068 attached
[pid 22068] set_robust_list(0x55558cab0660, 24) = 0
[pid 22068] chdir("./21220")            = 0
[pid 22068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22068] setpgid(0, 0)               = 0
[pid 22068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22068] write(3, "1000", 4)         = 4
[pid 22068] close(3)                    = 0
[pid 22068] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22068] write(1, "executing program\n", 18executing program
) = 18
[pid 22068] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22068] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22068] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22068] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22068] exit_group(0)               = ?
[pid 22068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21220", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21220/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21220")                        = 0
mkdir("./21221", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22069
./strace-static-x86_64: Process 22069 attached
[pid 22069] set_robust_list(0x55558cab0660, 24) = 0
[pid 22069] chdir("./21221")            = 0
[pid 22069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22069] setpgid(0, 0)               = 0
[pid 22069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22069] write(3, "1000", 4)         = 4
[pid 22069] close(3)                    = 0
[pid 22069] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22069] write(1, "executing program\n", 18) = 18
[pid 22069] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22069] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22069] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22069] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22069] exit_group(0)               = ?
[pid 22069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21221", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21221/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21221")                        = 0
mkdir("./21222", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22070 attached
, child_tidptr=0x55558cab0650) = 22070
[pid 22070] set_robust_list(0x55558cab0660, 24) = 0
[pid 22070] chdir("./21222")            = 0
[pid 22070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22070] setpgid(0, 0)               = 0
[pid 22070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22070] write(3, "1000", 4)         = 4
[pid 22070] close(3)                    = 0
[pid 22070] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22070] write(1, "executing program\n", 18executing program
) = 18
[pid 22070] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22070] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22070] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22070] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22070] exit_group(0)               = ?
[pid 22070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21222", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21222/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21222")                        = 0
mkdir("./21223", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22071
./strace-static-x86_64: Process 22071 attached
[pid 22071] set_robust_list(0x55558cab0660, 24) = 0
[pid 22071] chdir("./21223")            = 0
[pid 22071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22071] setpgid(0, 0)               = 0
[pid 22071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22071] write(3, "1000", 4)         = 4
[pid 22071] close(3)                    = 0
[pid 22071] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22071] write(1, "executing program\n", 18executing program
) = 18
[pid 22071] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22071] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22071] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22071] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22071] exit_group(0)               = ?
[pid 22071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21223", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21223/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21223")                        = 0
mkdir("./21224", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22072 attached
, child_tidptr=0x55558cab0650) = 22072
[pid 22072] set_robust_list(0x55558cab0660, 24) = 0
[pid 22072] chdir("./21224")            = 0
[pid 22072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22072] setpgid(0, 0)               = 0
[pid 22072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22072] write(3, "1000", 4)         = 4
[pid 22072] close(3)                    = 0
[pid 22072] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22072] write(1, "executing program\n", 18) = 18
[pid 22072] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22072] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22072] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22072] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22072] exit_group(0)               = ?
[pid 22072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21224", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21224/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21224")                        = 0
mkdir("./21225", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22073 attached
 <unfinished ...>
[pid 22073] set_robust_list(0x55558cab0660, 24) = 0
[pid 22073] chdir("./21225" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22073
[pid 22073] <... chdir resumed>)        = 0
[pid 22073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22073] setpgid(0, 0)               = 0
[pid 22073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22073] write(3, "1000", 4)         = 4
[pid 22073] close(3)                    = 0
[pid 22073] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22073] write(1, "executing program\n", 18executing program
) = 18
[pid 22073] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22073] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22073] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22073] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22073] exit_group(0)               = ?
[pid 22073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21225", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21225/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21225")                        = 0
mkdir("./21226", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22074 attached
, child_tidptr=0x55558cab0650) = 22074
[pid 22074] set_robust_list(0x55558cab0660, 24) = 0
[pid 22074] chdir("./21226")            = 0
[pid 22074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22074] setpgid(0, 0)               = 0
[pid 22074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22074] write(3, "1000", 4)         = 4
[pid 22074] close(3)                    = 0
[pid 22074] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22074] write(1, "executing program\n", 18) = 18
[pid 22074] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22074] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22074] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22074] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22074] exit_group(0)               = ?
[pid 22074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21226", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21226/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21226")                        = 0
mkdir("./21227", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22075
./strace-static-x86_64: Process 22075 attached
[pid 22075] set_robust_list(0x55558cab0660, 24) = 0
[pid 22075] chdir("./21227")            = 0
[pid 22075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22075] setpgid(0, 0)               = 0
[pid 22075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22075] write(3, "1000", 4)         = 4
[pid 22075] close(3)                    = 0
[pid 22075] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22075] write(1, "executing program\n", 18) = 18
[pid 22075] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22075] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22075] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22075] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22075] exit_group(0)               = ?
[pid 22075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21227", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21227/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21227")                        = 0
mkdir("./21228", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22076 attached
, child_tidptr=0x55558cab0650) = 22076
[pid 22076] set_robust_list(0x55558cab0660, 24) = 0
[pid 22076] chdir("./21228")            = 0
[pid 22076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22076] setpgid(0, 0)               = 0
[pid 22076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22076] write(3, "1000", 4)         = 4
[pid 22076] close(3)                    = 0
[pid 22076] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22076] write(1, "executing program\n", 18executing program
) = 18
[pid 22076] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22076] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22076] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22076] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22076] exit_group(0)               = ?
[pid 22076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22076, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21228", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21228/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21228")                        = 0
mkdir("./21229", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22077 attached
, child_tidptr=0x55558cab0650) = 22077
[pid 22077] set_robust_list(0x55558cab0660, 24) = 0
[pid 22077] chdir("./21229")            = 0
[pid 22077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22077] setpgid(0, 0)               = 0
[pid 22077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22077] write(3, "1000", 4)         = 4
[pid 22077] close(3)                    = 0
[pid 22077] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22077] write(1, "executing program\n", 18) = 18
[pid 22077] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22077] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22077] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22077] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22077] exit_group(0)               = ?
[pid 22077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21229", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21229/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21229")                        = 0
mkdir("./21230", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22078
./strace-static-x86_64: Process 22078 attached
[pid 22078] set_robust_list(0x55558cab0660, 24) = 0
[pid 22078] chdir("./21230")            = 0
[pid 22078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22078] setpgid(0, 0)               = 0
[pid 22078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22078] write(3, "1000", 4)         = 4
[pid 22078] close(3)                    = 0
[pid 22078] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22078] write(1, "executing program\n", 18) = 18
[pid 22078] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22078] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22078] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22078] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22078] exit_group(0)               = ?
[pid 22078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21230", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21230/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21230")                        = 0
mkdir("./21231", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22079 attached
, child_tidptr=0x55558cab0650) = 22079
[pid 22079] set_robust_list(0x55558cab0660, 24) = 0
[pid 22079] chdir("./21231")            = 0
[pid 22079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22079] setpgid(0, 0)               = 0
[pid 22079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22079] write(3, "1000", 4)         = 4
[pid 22079] close(3)                    = 0
[pid 22079] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22079] write(1, "executing program\n", 18executing program
) = 18
[pid 22079] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22079] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22079] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22079] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22079] exit_group(0)               = ?
[pid 22079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21231", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21231/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21231")                        = 0
mkdir("./21232", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22080 attached
, child_tidptr=0x55558cab0650) = 22080
[pid 22080] set_robust_list(0x55558cab0660, 24) = 0
[pid 22080] chdir("./21232")            = 0
[pid 22080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22080] setpgid(0, 0)               = 0
[pid 22080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22080] write(3, "1000", 4)         = 4
[pid 22080] close(3)                    = 0
[pid 22080] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22080] write(1, "executing program\n", 18executing program
) = 18
[pid 22080] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22080] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22080] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22080] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22080] exit_group(0)               = ?
[pid 22080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22080, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21232", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21232/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21232")                        = 0
mkdir("./21233", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22081
./strace-static-x86_64: Process 22081 attached
[pid 22081] set_robust_list(0x55558cab0660, 24) = 0
[pid 22081] chdir("./21233")            = 0
[pid 22081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22081] setpgid(0, 0)               = 0
[pid 22081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22081] write(3, "1000", 4)         = 4
[pid 22081] close(3)                    = 0
[pid 22081] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22081] write(1, "executing program\n", 18) = 18
[pid 22081] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22081] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22081] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22081] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22081] exit_group(0)               = ?
[pid 22081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21233", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21233/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21233")                        = 0
mkdir("./21234", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22083
./strace-static-x86_64: Process 22083 attached
[pid 22083] set_robust_list(0x55558cab0660, 24) = 0
[pid 22083] chdir("./21234")            = 0
[pid 22083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22083] setpgid(0, 0)               = 0
[pid 22083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22083] write(3, "1000", 4)         = 4
[pid 22083] close(3)                    = 0
[pid 22083] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22083] write(1, "executing program\n", 18) = 18
[pid 22083] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22083] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22083] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22083] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22083] exit_group(0)               = ?
[pid 22083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21234", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21234/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21234")                        = 0
mkdir("./21235", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22084 attached
, child_tidptr=0x55558cab0650) = 22084
[pid 22084] set_robust_list(0x55558cab0660, 24) = 0
[pid 22084] chdir("./21235")            = 0
[pid 22084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22084] setpgid(0, 0)               = 0
[pid 22084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22084] write(3, "1000", 4)         = 4
[pid 22084] close(3)                    = 0
[pid 22084] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22084] write(1, "executing program\n", 18) = 18
[pid 22084] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22084] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22084] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22084] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22084] exit_group(0)               = ?
[pid 22084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22084, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21235", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21235/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21235")                        = 0
mkdir("./21236", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22085
./strace-static-x86_64: Process 22085 attached
[pid 22085] set_robust_list(0x55558cab0660, 24) = 0
[pid 22085] chdir("./21236")            = 0
[pid 22085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22085] setpgid(0, 0)               = 0
[pid 22085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22085] write(3, "1000", 4)         = 4
[pid 22085] close(3)                    = 0
[pid 22085] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22085] write(1, "executing program\n", 18) = 18
[pid 22085] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22085] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22085] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22085] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22085] exit_group(0)               = ?
[pid 22085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21236", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21236/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21236")                        = 0
mkdir("./21237", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22086
./strace-static-x86_64: Process 22086 attached
[pid 22086] set_robust_list(0x55558cab0660, 24) = 0
[pid 22086] chdir("./21237")            = 0
[pid 22086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22086] setpgid(0, 0)               = 0
[pid 22086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22086] write(3, "1000", 4)         = 4
[pid 22086] close(3)                    = 0
[pid 22086] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22086] write(1, "executing program\n", 18) = 18
[pid 22086] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22086] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22086] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22086] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22086] exit_group(0)               = ?
[pid 22086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21237", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21237/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21237")                        = 0
mkdir("./21238", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22087
./strace-static-x86_64: Process 22087 attached
[pid 22087] set_robust_list(0x55558cab0660, 24) = 0
[pid 22087] chdir("./21238")            = 0
[pid 22087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22087] setpgid(0, 0)               = 0
[pid 22087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22087] write(3, "1000", 4)         = 4
[pid 22087] close(3)                    = 0
[pid 22087] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22087] write(1, "executing program\n", 18executing program
) = 18
[pid 22087] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22087] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22087] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22087] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22087] exit_group(0)               = ?
[pid 22087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21238", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21238/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21238")                        = 0
mkdir("./21239", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22088 attached
, child_tidptr=0x55558cab0650) = 22088
[pid 22088] set_robust_list(0x55558cab0660, 24) = 0
[pid 22088] chdir("./21239")            = 0
[pid 22088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22088] setpgid(0, 0)               = 0
[pid 22088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22088] write(3, "1000", 4)         = 4
[pid 22088] close(3)                    = 0
[pid 22088] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22088] write(1, "executing program\n", 18) = 18
[pid 22088] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22088] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22088] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22088] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22088] exit_group(0)               = ?
[pid 22088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21239", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21239/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21239")                        = 0
mkdir("./21240", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22089
./strace-static-x86_64: Process 22089 attached
[pid 22089] set_robust_list(0x55558cab0660, 24) = 0
[pid 22089] chdir("./21240")            = 0
[pid 22089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22089] setpgid(0, 0)               = 0
[pid 22089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22089] write(3, "1000", 4)         = 4
[pid 22089] close(3)                    = 0
[pid 22089] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22089] write(1, "executing program\n", 18) = 18
[pid 22089] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22089] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22089] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22089] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22089] exit_group(0)               = ?
[pid 22089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21240", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21240/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21240")                        = 0
mkdir("./21241", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22090 attached
, child_tidptr=0x55558cab0650) = 22090
[pid 22090] set_robust_list(0x55558cab0660, 24) = 0
[pid 22090] chdir("./21241")            = 0
[pid 22090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22090] setpgid(0, 0)               = 0
[pid 22090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22090] write(3, "1000", 4)         = 4
[pid 22090] close(3)                    = 0
[pid 22090] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22090] write(1, "executing program\n", 18executing program
) = 18
[pid 22090] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22090] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22090] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22090] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22090] exit_group(0)               = ?
[pid 22090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21241", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21241/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21241")                        = 0
mkdir("./21242", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22091 attached
, child_tidptr=0x55558cab0650) = 22091
[pid 22091] set_robust_list(0x55558cab0660, 24) = 0
[pid 22091] chdir("./21242")            = 0
[pid 22091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22091] setpgid(0, 0)               = 0
[pid 22091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22091] write(3, "1000", 4)         = 4
[pid 22091] close(3)                    = 0
[pid 22091] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22091] write(1, "executing program\n", 18) = 18
[pid 22091] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22091] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22091] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22091] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22091] exit_group(0)               = ?
[pid 22091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21242", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21242/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21242")                        = 0
mkdir("./21243", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22092 attached
, child_tidptr=0x55558cab0650) = 22092
[pid 22092] set_robust_list(0x55558cab0660, 24) = 0
[pid 22092] chdir("./21243")            = 0
[pid 22092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22092] setpgid(0, 0)               = 0
[pid 22092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22092] write(3, "1000", 4)         = 4
[pid 22092] close(3)                    = 0
[pid 22092] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22092] write(1, "executing program\n", 18) = 18
[pid 22092] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22092] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22092] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22092] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22092] exit_group(0)               = ?
[pid 22092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21243", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21243/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21243")                        = 0
mkdir("./21244", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22093 attached
, child_tidptr=0x55558cab0650) = 22093
[pid 22093] set_robust_list(0x55558cab0660, 24) = 0
[pid 22093] chdir("./21244")            = 0
[pid 22093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22093] setpgid(0, 0)               = 0
[pid 22093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22093] write(3, "1000", 4)         = 4
[pid 22093] close(3)                    = 0
[pid 22093] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22093] write(1, "executing program\n", 18executing program
) = 18
[pid 22093] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22093] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22093] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22093] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22093] exit_group(0)               = ?
[pid 22093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21244", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21244/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21244")                        = 0
mkdir("./21245", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22094 attached
, child_tidptr=0x55558cab0650) = 22094
[pid 22094] set_robust_list(0x55558cab0660, 24) = 0
[pid 22094] chdir("./21245")            = 0
[pid 22094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22094] setpgid(0, 0)               = 0
[pid 22094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22094] write(3, "1000", 4)         = 4
[pid 22094] close(3)                    = 0
[pid 22094] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22094] write(1, "executing program\n", 18executing program
) = 18
[pid 22094] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22094] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22094] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22094] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22094] exit_group(0)               = ?
[pid 22094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21245", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21245/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21245")                        = 0
mkdir("./21246", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22095 attached
, child_tidptr=0x55558cab0650) = 22095
[pid 22095] set_robust_list(0x55558cab0660, 24) = 0
[pid 22095] chdir("./21246")            = 0
[pid 22095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22095] setpgid(0, 0)               = 0
[pid 22095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22095] write(3, "1000", 4)         = 4
[pid 22095] close(3)                    = 0
[pid 22095] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22095] write(1, "executing program\n", 18executing program
) = 18
[pid 22095] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22095] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22095] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22095] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22095] exit_group(0)               = ?
[pid 22095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21246", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21246/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21246")                        = 0
mkdir("./21247", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22096
./strace-static-x86_64: Process 22096 attached
[pid 22096] set_robust_list(0x55558cab0660, 24) = 0
[pid 22096] chdir("./21247")            = 0
[pid 22096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22096] setpgid(0, 0)               = 0
[pid 22096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22096] write(3, "1000", 4)         = 4
[pid 22096] close(3)                    = 0
[pid 22096] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22096] write(1, "executing program\n", 18executing program
) = 18
[pid 22096] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22096] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22096] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22096] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22096] exit_group(0)               = ?
[pid 22096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21247", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21247/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21247")                        = 0
mkdir("./21248", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22097
./strace-static-x86_64: Process 22097 attached
[pid 22097] set_robust_list(0x55558cab0660, 24) = 0
[pid 22097] chdir("./21248")            = 0
[pid 22097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22097] setpgid(0, 0)               = 0
[pid 22097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22097] write(3, "1000", 4)         = 4
[pid 22097] close(3)                    = 0
[pid 22097] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22097] write(1, "executing program\n", 18) = 18
[pid 22097] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22097] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22097] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22097] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22097] exit_group(0)               = ?
[pid 22097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21248", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21248/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21248")                        = 0
mkdir("./21249", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22098 attached
, child_tidptr=0x55558cab0650) = 22098
[pid 22098] set_robust_list(0x55558cab0660, 24) = 0
[pid 22098] chdir("./21249")            = 0
[pid 22098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22098] setpgid(0, 0)               = 0
[pid 22098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22098] write(3, "1000", 4)         = 4
[pid 22098] close(3)                    = 0
[pid 22098] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22098] write(1, "executing program\n", 18executing program
) = 18
[pid 22098] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22098] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22098] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22098] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22098] exit_group(0)               = ?
[pid 22098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21249", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21249/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21249")                        = 0
mkdir("./21250", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22099 attached
, child_tidptr=0x55558cab0650) = 22099
[pid 22099] set_robust_list(0x55558cab0660, 24) = 0
[pid 22099] chdir("./21250")            = 0
[pid 22099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22099] setpgid(0, 0)               = 0
[pid 22099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22099] write(3, "1000", 4)         = 4
[pid 22099] close(3)                    = 0
[pid 22099] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22099] write(1, "executing program\n", 18executing program
) = 18
[pid 22099] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22099] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22099] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22099] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22099] exit_group(0)               = ?
[pid 22099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21250", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21250/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21250")                        = 0
mkdir("./21251", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22100
./strace-static-x86_64: Process 22100 attached
[pid 22100] set_robust_list(0x55558cab0660, 24) = 0
[pid 22100] chdir("./21251")            = 0
[pid 22100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22100] setpgid(0, 0)               = 0
[pid 22100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22100] write(3, "1000", 4)         = 4
[pid 22100] close(3)                    = 0
[pid 22100] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22100] write(1, "executing program\n", 18) = 18
[pid 22100] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22100] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22100] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22100] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22100] exit_group(0)               = ?
[pid 22100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21251", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21251/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21251/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21251")                        = 0
mkdir("./21252", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22101
./strace-static-x86_64: Process 22101 attached
[pid 22101] set_robust_list(0x55558cab0660, 24) = 0
[pid 22101] chdir("./21252")            = 0
[pid 22101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22101] setpgid(0, 0)               = 0
[pid 22101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22101] write(3, "1000", 4)         = 4
[pid 22101] close(3)                    = 0
[pid 22101] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22101] write(1, "executing program\n", 18) = 18
[pid 22101] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7executing program
, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22101] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22101] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22101] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22101] exit_group(0)               = ?
[pid 22101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21252", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21252/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21252/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21252")                        = 0
mkdir("./21253", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22102 attached
, child_tidptr=0x55558cab0650) = 22102
[pid 22102] set_robust_list(0x55558cab0660, 24) = 0
[pid 22102] chdir("./21253")            = 0
[pid 22102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22102] setpgid(0, 0)               = 0
[pid 22102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22102] write(3, "1000", 4)         = 4
[pid 22102] close(3)                    = 0
[pid 22102] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22102] write(1, "executing program\n", 18) = 18
[pid 22102] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22102] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22102] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22102] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22102] exit_group(0)               = ?
[pid 22102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21253", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21253/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21253")                        = 0
mkdir("./21254", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22103 attached
, child_tidptr=0x55558cab0650) = 22103
[pid 22103] set_robust_list(0x55558cab0660, 24) = 0
[pid 22103] chdir("./21254")            = 0
[pid 22103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22103] setpgid(0, 0)               = 0
[pid 22103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22103] write(3, "1000", 4)         = 4
[pid 22103] close(3)                    = 0
[pid 22103] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22103] write(1, "executing program\n", 18) = 18
[pid 22103] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22103] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22103] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22103] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22103] exit_group(0)               = ?
[pid 22103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21254", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21254/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21254/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21254")                        = 0
mkdir("./21255", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22104 attached
, child_tidptr=0x55558cab0650) = 22104
[pid 22104] set_robust_list(0x55558cab0660, 24) = 0
[pid 22104] chdir("./21255")            = 0
[pid 22104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22104] setpgid(0, 0)               = 0
[pid 22104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22104] write(3, "1000", 4)         = 4
[pid 22104] close(3)                    = 0
[pid 22104] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22104] write(1, "executing program\n", 18executing program
) = 18
[pid 22104] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22104] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22104] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22104] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22104] exit_group(0)               = ?
[pid 22104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21255", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21255/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21255/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21255")                        = 0
mkdir("./21256", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22105 attached
, child_tidptr=0x55558cab0650) = 22105
[pid 22105] set_robust_list(0x55558cab0660, 24) = 0
[pid 22105] chdir("./21256")            = 0
[pid 22105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22105] setpgid(0, 0)               = 0
[pid 22105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22105] write(3, "1000", 4)         = 4
[pid 22105] close(3)                    = 0
[pid 22105] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22105] write(1, "executing program\n", 18executing program
) = 18
[pid 22105] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22105] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22105] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22105] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22105] exit_group(0)               = ?
[pid 22105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21256", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21256/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21256/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21256")                        = 0
mkdir("./21257", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22106 attached
, child_tidptr=0x55558cab0650) = 22106
[pid 22106] set_robust_list(0x55558cab0660, 24) = 0
[pid 22106] chdir("./21257")            = 0
[pid 22106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22106] setpgid(0, 0)               = 0
[pid 22106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22106] write(3, "1000", 4)         = 4
[pid 22106] close(3)                    = 0
[pid 22106] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22106] write(1, "executing program\n", 18executing program
) = 18
[pid 22106] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22106] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22106] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22106] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22106] exit_group(0)               = ?
[pid 22106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21257", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21257/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21257/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21257")                        = 0
mkdir("./21258", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22107
./strace-static-x86_64: Process 22107 attached
[pid 22107] set_robust_list(0x55558cab0660, 24) = 0
[pid 22107] chdir("./21258")            = 0
[pid 22107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22107] setpgid(0, 0)               = 0
[pid 22107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22107] write(3, "1000", 4)         = 4
[pid 22107] close(3)                    = 0
[pid 22107] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22107] write(1, "executing program\n", 18) = 18
[pid 22107] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22107] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22107] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22107] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22107] exit_group(0)               = ?
[pid 22107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21258", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21258/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21258/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21258")                        = 0
mkdir("./21259", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22108
./strace-static-x86_64: Process 22108 attached
[pid 22108] set_robust_list(0x55558cab0660, 24) = 0
[pid 22108] chdir("./21259")            = 0
[pid 22108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22108] setpgid(0, 0)               = 0
[pid 22108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22108] write(3, "1000", 4)         = 4
[pid 22108] close(3)                    = 0
executing program
[pid 22108] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22108] write(1, "executing program\n", 18) = 18
[pid 22108] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22108] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22108] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22108] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22108] exit_group(0)               = ?
[pid 22108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21259", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21259/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21259")                        = 0
mkdir("./21260", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22109 attached
, child_tidptr=0x55558cab0650) = 22109
[pid 22109] set_robust_list(0x55558cab0660, 24) = 0
[pid 22109] chdir("./21260")            = 0
[pid 22109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22109] setpgid(0, 0)               = 0
[pid 22109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22109] write(3, "1000", 4)         = 4
[pid 22109] close(3)                    = 0
[pid 22109] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22109] write(1, "executing program\n", 18executing program
) = 18
[pid 22109] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22109] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22109] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22109] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22109] exit_group(0)               = ?
[pid 22109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21260", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program
) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21260/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21260")                        = 0
mkdir("./21261", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22110 attached
, child_tidptr=0x55558cab0650) = 22110
[pid 22110] set_robust_list(0x55558cab0660, 24) = 0
[pid 22110] chdir("./21261")            = 0
[pid 22110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22110] setpgid(0, 0)               = 0
[pid 22110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22110] write(3, "1000", 4)         = 4
[pid 22110] close(3)                    = 0
[pid 22110] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22110] write(1, "executing program\n", 18) = 18
[pid 22110] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22110] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22110] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22110] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22110] exit_group(0)               = ?
[pid 22110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21261", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21261/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21261/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21261")                        = 0
mkdir("./21262", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22111 attached
, child_tidptr=0x55558cab0650) = 22111
[pid 22111] set_robust_list(0x55558cab0660, 24) = 0
[pid 22111] chdir("./21262")            = 0
[pid 22111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22111] setpgid(0, 0)               = 0
[pid 22111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22111] write(3, "1000", 4)         = 4
[pid 22111] close(3)                    = 0
[pid 22111] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22111] write(1, "executing program\n", 18) = 18
[pid 22111] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22111] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22111] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22111] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22111] exit_group(0)               = ?
[pid 22111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21262", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21262/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21262/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21262")                        = 0
mkdir("./21263", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22112
./strace-static-x86_64: Process 22112 attached
[pid 22112] set_robust_list(0x55558cab0660, 24) = 0
[pid 22112] chdir("./21263")            = 0
[pid 22112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22112] setpgid(0, 0)               = 0
[pid 22112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22112] write(3, "1000", 4)         = 4
[pid 22112] close(3)                    = 0
[pid 22112] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22112] write(1, "executing program\n", 18) = 18
[pid 22112] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22112] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22112] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22112] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22112] exit_group(0)               = ?
[pid 22112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21263", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21263/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21263/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21263")                        = 0
mkdir("./21264", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22113 attached
, child_tidptr=0x55558cab0650) = 22113
[pid 22113] set_robust_list(0x55558cab0660, 24) = 0
[pid 22113] chdir("./21264")            = 0
[pid 22113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22113] setpgid(0, 0)               = 0
[pid 22113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22113] write(3, "1000", 4)         = 4
[pid 22113] close(3)                    = 0
[pid 22113] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22113] write(1, "executing program\n", 18) = 18
[pid 22113] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22113] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22113] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22113] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22113] exit_group(0)               = ?
[pid 22113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21264", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21264/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21264/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21264")                        = 0
mkdir("./21265", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22114
./strace-static-x86_64: Process 22114 attached
[pid 22114] set_robust_list(0x55558cab0660, 24) = 0
[pid 22114] chdir("./21265")            = 0
[pid 22114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22114] setpgid(0, 0)               = 0
[pid 22114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22114] write(3, "1000", 4)         = 4
[pid 22114] close(3)                    = 0
[pid 22114] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22114] write(1, "executing program\n", 18) = 18
[pid 22114] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22114] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22114] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22114] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22114] exit_group(0)               = ?
[pid 22114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21265", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21265/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21265/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21265")                        = 0
mkdir("./21266", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22115 attached
, child_tidptr=0x55558cab0650) = 22115
[pid 22115] set_robust_list(0x55558cab0660, 24) = 0
[pid 22115] chdir("./21266")            = 0
[pid 22115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22115] setpgid(0, 0)               = 0
[pid 22115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22115] write(3, "1000", 4)         = 4
[pid 22115] close(3)                    = 0
[pid 22115] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22115] write(1, "executing program\n", 18) = 18
[pid 22115] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22115] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22115] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22115] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22115] exit_group(0)               = ?
[pid 22115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21266", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21266/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21266/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21266")                        = 0
mkdir("./21267", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22116
./strace-static-x86_64: Process 22116 attached
[pid 22116] set_robust_list(0x55558cab0660, 24) = 0
[pid 22116] chdir("./21267")            = 0
[pid 22116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22116] setpgid(0, 0)               = 0
[pid 22116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22116] write(3, "1000", 4)         = 4
[pid 22116] close(3)                    = 0
[pid 22116] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22116] write(1, "executing program\n", 18) = 18
[pid 22116] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22116] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22116] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22116] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22116] exit_group(0)               = ?
[pid 22116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21267", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21267/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21267/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21267")                        = 0
mkdir("./21268", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22117 attached
, child_tidptr=0x55558cab0650) = 22117
[pid 22117] set_robust_list(0x55558cab0660, 24) = 0
[pid 22117] chdir("./21268")            = 0
[pid 22117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22117] setpgid(0, 0)               = 0
[pid 22117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22117] write(3, "1000", 4)         = 4
[pid 22117] close(3)                    = 0
[pid 22117] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22117] write(1, "executing program\n", 18) = 18
[pid 22117] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22117] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22117] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22117] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22117] exit_group(0)               = ?
[pid 22117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21268", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21268/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21268/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21268")                        = 0
mkdir("./21269", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22118
./strace-static-x86_64: Process 22118 attached
[pid 22118] set_robust_list(0x55558cab0660, 24) = 0
[pid 22118] chdir("./21269")            = 0
[pid 22118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22118] setpgid(0, 0)               = 0
[pid 22118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22118] write(3, "1000", 4)         = 4
[pid 22118] close(3)                    = 0
[pid 22118] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22118] write(1, "executing program\n", 18executing program
) = 18
[pid 22118] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22118] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22118] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22118] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22118] exit_group(0)               = ?
[pid 22118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21269", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21269/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21269/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21269")                        = 0
mkdir("./21270", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22119 attached
, child_tidptr=0x55558cab0650) = 22119
[pid 22119] set_robust_list(0x55558cab0660, 24) = 0
[pid 22119] chdir("./21270")            = 0
[pid 22119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22119] setpgid(0, 0)               = 0
[pid 22119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22119] write(3, "1000", 4)         = 4
[pid 22119] close(3)                    = 0
[pid 22119] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22119] write(1, "executing program\n", 18) = 18
[pid 22119] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22119] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22119] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22119] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22119] exit_group(0)               = ?
[pid 22119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21270", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21270/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21270/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21270")                        = 0
mkdir("./21271", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22120 attached
, child_tidptr=0x55558cab0650) = 22120
[pid 22120] set_robust_list(0x55558cab0660, 24) = 0
[pid 22120] chdir("./21271")            = 0
[pid 22120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22120] setpgid(0, 0)               = 0
[pid 22120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22120] write(3, "1000", 4)         = 4
[pid 22120] close(3)                    = 0
[pid 22120] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22120] write(1, "executing program\n", 18executing program
) = 18
[pid 22120] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22120] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22120] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22120] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22120] exit_group(0)               = ?
[pid 22120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21271", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21271/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21271/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21271")                        = 0
mkdir("./21272", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22121 attached
, child_tidptr=0x55558cab0650) = 22121
[pid 22121] set_robust_list(0x55558cab0660, 24) = 0
[pid 22121] chdir("./21272")            = 0
[pid 22121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22121] setpgid(0, 0)               = 0
[pid 22121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22121] write(3, "1000", 4)         = 4
[pid 22121] close(3)                    = 0
[pid 22121] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22121] write(1, "executing program\n", 18) = 18
[pid 22121] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22121] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22121] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22121] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22121] exit_group(0)               = ?
[pid 22121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21272", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21272/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21272/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21272")                        = 0
mkdir("./21273", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22122 attached
, child_tidptr=0x55558cab0650) = 22122
[pid 22122] set_robust_list(0x55558cab0660, 24) = 0
[pid 22122] chdir("./21273")            = 0
[pid 22122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22122] setpgid(0, 0)               = 0
[pid 22122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22122] write(3, "1000", 4)         = 4
[pid 22122] close(3)                    = 0
[pid 22122] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22122] write(1, "executing program\n", 18) = 18
[pid 22122] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22122] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22122] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22122] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22122] exit_group(0)               = ?
[pid 22122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21273", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21273/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21273/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21273")                        = 0
mkdir("./21274", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22123 attached
, child_tidptr=0x55558cab0650) = 22123
[pid 22123] set_robust_list(0x55558cab0660, 24) = 0
[pid 22123] chdir("./21274")            = 0
[pid 22123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22123] setpgid(0, 0)               = 0
[pid 22123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22123] write(3, "1000", 4)         = 4
[pid 22123] close(3)                    = 0
[pid 22123] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22123] write(1, "executing program\n", 18) = 18
[pid 22123] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22123] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22123] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22123] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22123] exit_group(0)               = ?
[pid 22123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21274", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21274/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21274/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21274")                        = 0
mkdir("./21275", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22124 attached
, child_tidptr=0x55558cab0650) = 22124
[pid 22124] set_robust_list(0x55558cab0660, 24) = 0
[pid 22124] chdir("./21275")            = 0
[pid 22124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22124] setpgid(0, 0)               = 0
[pid 22124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22124] write(3, "1000", 4)         = 4
[pid 22124] close(3)                    = 0
[pid 22124] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22124] write(1, "executing program\n", 18) = 18
[pid 22124] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22124] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22124] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22124] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22124] exit_group(0)               = ?
[pid 22124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21275", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21275/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21275/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21275")                        = 0
mkdir("./21276", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22125 attached
, child_tidptr=0x55558cab0650) = 22125
[pid 22125] set_robust_list(0x55558cab0660, 24) = 0
[pid 22125] chdir("./21276")            = 0
[pid 22125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22125] setpgid(0, 0)               = 0
[pid 22125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22125] write(3, "1000", 4)         = 4
[pid 22125] close(3)                    = 0
[pid 22125] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22125] write(1, "executing program\n", 18) = 18
[pid 22125] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22125] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22125] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22125] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22125] exit_group(0)               = ?
[pid 22125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21276", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21276/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21276/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21276")                        = 0
mkdir("./21277", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22126 attached
, child_tidptr=0x55558cab0650) = 22126
[pid 22126] set_robust_list(0x55558cab0660, 24) = 0
[pid 22126] chdir("./21277")            = 0
[pid 22126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22126] setpgid(0, 0)               = 0
[pid 22126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22126] write(3, "1000", 4)         = 4
[pid 22126] close(3)                    = 0
[pid 22126] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22126] write(1, "executing program\n", 18executing program
) = 18
[pid 22126] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22126] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22126] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22126] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22126] exit_group(0)               = ?
[pid 22126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21277", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21277/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21277/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21277")                        = 0
mkdir("./21278", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22127 attached
, child_tidptr=0x55558cab0650) = 22127
[pid 22127] set_robust_list(0x55558cab0660, 24) = 0
[pid 22127] chdir("./21278")            = 0
[pid 22127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22127] setpgid(0, 0)               = 0
[pid 22127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22127] write(3, "1000", 4)         = 4
[pid 22127] close(3)                    = 0
[pid 22127] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22127] write(1, "executing program\n", 18) = 18
[pid 22127] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22127] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22127] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22127] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22127] exit_group(0)               = ?
[pid 22127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21278", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21278/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21278")                        = 0
mkdir("./21279", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22128 attached
, child_tidptr=0x55558cab0650) = 22128
[pid 22128] set_robust_list(0x55558cab0660, 24) = 0
[pid 22128] chdir("./21279")            = 0
[pid 22128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22128] setpgid(0, 0)               = 0
[pid 22128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22128] write(3, "1000", 4)         = 4
[pid 22128] close(3)                    = 0
[pid 22128] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22128] write(1, "executing program\n", 18executing program
) = 18
[pid 22128] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22128] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22128] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22128] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22128] exit_group(0)               = ?
[pid 22128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21279", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21279/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21279/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21279")                        = 0
mkdir("./21280", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22129 attached
, child_tidptr=0x55558cab0650) = 22129
[pid 22129] set_robust_list(0x55558cab0660, 24) = 0
[pid 22129] chdir("./21280")            = 0
[pid 22129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22129] setpgid(0, 0)               = 0
[pid 22129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22129] write(3, "1000", 4)         = 4
[pid 22129] close(3)                    = 0
[pid 22129] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22129] write(1, "executing program\n", 18executing program
) = 18
[pid 22129] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22129] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22129] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22129] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22129] exit_group(0)               = ?
[pid 22129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21280", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21280/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21280/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21280")                        = 0
mkdir("./21281", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22130 attached
, child_tidptr=0x55558cab0650) = 22130
[pid 22130] set_robust_list(0x55558cab0660, 24) = 0
[pid 22130] chdir("./21281")            = 0
[pid 22130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22130] setpgid(0, 0)               = 0
[pid 22130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22130] write(3, "1000", 4)         = 4
[pid 22130] close(3)                    = 0
[pid 22130] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22130] write(1, "executing program\n", 18) = 18
[pid 22130] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22130] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22130] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22130] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22130] exit_group(0)               = ?
[pid 22130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21281", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21281/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21281")                        = 0
mkdir("./21282", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22131
./strace-static-x86_64: Process 22131 attached
[pid 22131] set_robust_list(0x55558cab0660, 24) = 0
[pid 22131] chdir("./21282")            = 0
[pid 22131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22131] setpgid(0, 0)               = 0
[pid 22131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22131] write(3, "1000", 4)         = 4
[pid 22131] close(3)                    = 0
[pid 22131] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22131] write(1, "executing program\n", 18) = 18
[pid 22131] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22131] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22131] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22131] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22131] exit_group(0)               = ?
[pid 22131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21282", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21282/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21282/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21282")                        = 0
mkdir("./21283", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22132 attached
, child_tidptr=0x55558cab0650) = 22132
[pid 22132] set_robust_list(0x55558cab0660, 24) = 0
[pid 22132] chdir("./21283")            = 0
[pid 22132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22132] setpgid(0, 0)               = 0
[pid 22132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22132] write(3, "1000", 4)         = 4
[pid 22132] close(3)                    = 0
[pid 22132] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22132] write(1, "executing program\n", 18) = 18
[pid 22132] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22132] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22132] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22132] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22132] exit_group(0)               = ?
[pid 22132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21283", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21283/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21283/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21283")                        = 0
mkdir("./21284", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22133
./strace-static-x86_64: Process 22133 attached
[pid 22133] set_robust_list(0x55558cab0660, 24) = 0
[pid 22133] chdir("./21284")            = 0
[pid 22133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22133] setpgid(0, 0)               = 0
[pid 22133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22133] write(3, "1000", 4)         = 4
[pid 22133] close(3)                    = 0
[pid 22133] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22133] write(1, "executing program\n", 18) = 18
[pid 22133] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22133] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22133] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22133] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22133] exit_group(0)               = ?
[pid 22133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21284", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21284/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21284/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21284")                        = 0
mkdir("./21285", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22134
./strace-static-x86_64: Process 22134 attached
[pid 22134] set_robust_list(0x55558cab0660, 24) = 0
[pid 22134] chdir("./21285")            = 0
[pid 22134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22134] setpgid(0, 0)               = 0
[pid 22134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22134] write(3, "1000", 4)         = 4
[pid 22134] close(3)                    = 0
[pid 22134] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22134] write(1, "executing program\n", 18) = 18
[pid 22134] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22134] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22134] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22134] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22134] exit_group(0)               = ?
[pid 22134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21285", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21285/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21285/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21285")                        = 0
mkdir("./21286", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22135 attached
, child_tidptr=0x55558cab0650) = 22135
[pid 22135] set_robust_list(0x55558cab0660, 24) = 0
[pid 22135] chdir("./21286")            = 0
[pid 22135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22135] setpgid(0, 0)               = 0
[pid 22135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22135] write(3, "1000", 4)         = 4
[pid 22135] close(3)                    = 0
[pid 22135] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22135] write(1, "executing program\n", 18) = 18
[pid 22135] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22135] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22135] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22135] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22135] exit_group(0)               = ?
[pid 22135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21286", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21286/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21286/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21286")                        = 0
mkdir("./21287", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22136
./strace-static-x86_64: Process 22136 attached
[pid 22136] set_robust_list(0x55558cab0660, 24) = 0
[pid 22136] chdir("./21287")            = 0
[pid 22136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22136] setpgid(0, 0)               = 0
[pid 22136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22136] write(3, "1000", 4)         = 4
[pid 22136] close(3)                    = 0
[pid 22136] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22136] write(1, "executing program\n", 18) = 18
[pid 22136] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22136] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22136] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22136] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22136] exit_group(0)               = ?
[pid 22136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21287", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21287/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21287/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21287")                        = 0
mkdir("./21288", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22137 attached
 <unfinished ...>
[pid 22137] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22137
[pid 22137] chdir("./21288")            = 0
[pid 22137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22137] setpgid(0, 0)               = 0
[pid 22137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22137] write(3, "1000", 4)         = 4
[pid 22137] close(3)                    = 0
[pid 22137] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22137] write(1, "executing program\n", 18) = 18
[pid 22137] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22137] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22137] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22137] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22137] exit_group(0)               = ?
[pid 22137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21288", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21288/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21288")                        = 0
mkdir("./21289", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22138
./strace-static-x86_64: Process 22138 attached
[pid 22138] set_robust_list(0x55558cab0660, 24) = 0
[pid 22138] chdir("./21289")            = 0
[pid 22138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22138] setpgid(0, 0)               = 0
[pid 22138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22138] write(3, "1000", 4)         = 4
[pid 22138] close(3)                    = 0
[pid 22138] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22138] write(1, "executing program\n", 18) = 18
[pid 22138] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22138] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22138] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22138] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22138] exit_group(0)               = ?
[pid 22138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21289", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21289/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21289/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21289")                        = 0
mkdir("./21290", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22139
./strace-static-x86_64: Process 22139 attached
[pid 22139] set_robust_list(0x55558cab0660, 24) = 0
[pid 22139] chdir("./21290")            = 0
[pid 22139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22139] setpgid(0, 0)               = 0
[pid 22139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22139] write(3, "1000", 4)         = 4
[pid 22139] close(3)                    = 0
[pid 22139] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22139] write(1, "executing program\n", 18) = 18
[pid 22139] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22139] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22139] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22139] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22139] exit_group(0)               = ?
[pid 22139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21290", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21290/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21290/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21290")                        = 0
mkdir("./21291", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22140
./strace-static-x86_64: Process 22140 attached
[pid 22140] set_robust_list(0x55558cab0660, 24) = 0
[pid 22140] chdir("./21291")            = 0
[pid 22140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22140] setpgid(0, 0)               = 0
[pid 22140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22140] write(3, "1000", 4)         = 4
[pid 22140] close(3)                    = 0
[pid 22140] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22140] write(1, "executing program\n", 18) = 18
[pid 22140] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22140] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22140] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22140] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22140] exit_group(0)               = ?
[pid 22140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21291", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21291/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21291/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21291")                        = 0
mkdir("./21292", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22141 attached
, child_tidptr=0x55558cab0650) = 22141
[pid 22141] set_robust_list(0x55558cab0660, 24) = 0
[pid 22141] chdir("./21292")            = 0
[pid 22141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22141] setpgid(0, 0)               = 0
[pid 22141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22141] write(3, "1000", 4)         = 4
[pid 22141] close(3)                    = 0
[pid 22141] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22141] write(1, "executing program\n", 18) = 18
[pid 22141] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22141] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22141] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22141] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22141] exit_group(0)               = ?
[pid 22141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21292", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21292/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21292/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21292")                        = 0
mkdir("./21293", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22142 attached
, child_tidptr=0x55558cab0650) = 22142
[pid 22142] set_robust_list(0x55558cab0660, 24) = 0
[pid 22142] chdir("./21293")            = 0
[pid 22142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22142] setpgid(0, 0)               = 0
[pid 22142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22142] write(3, "1000", 4)         = 4
[pid 22142] close(3)                    = 0
[pid 22142] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22142] write(1, "executing program\n", 18executing program
) = 18
[pid 22142] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22142] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22142] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22142] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22142] exit_group(0)               = ?
[pid 22142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21293", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21293/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21293/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21293")                        = 0
mkdir("./21294", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22143
./strace-static-x86_64: Process 22143 attached
[pid 22143] set_robust_list(0x55558cab0660, 24) = 0
[pid 22143] chdir("./21294")            = 0
[pid 22143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22143] setpgid(0, 0)               = 0
[pid 22143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22143] write(3, "1000", 4)         = 4
[pid 22143] close(3)                    = 0
[pid 22143] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22143] write(1, "executing program\n", 18executing program
) = 18
[pid 22143] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22143] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22143] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22143] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22143] exit_group(0)               = ?
[pid 22143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21294", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21294/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21294/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21294")                        = 0
mkdir("./21295", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22144 attached
, child_tidptr=0x55558cab0650) = 22144
[pid 22144] set_robust_list(0x55558cab0660, 24) = 0
[pid 22144] chdir("./21295")            = 0
[pid 22144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22144] setpgid(0, 0)               = 0
[pid 22144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22144] write(3, "1000", 4)         = 4
[pid 22144] close(3)                    = 0
[pid 22144] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22144] write(1, "executing program\n", 18) = 18
[pid 22144] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22144] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22144] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22144] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22144] exit_group(0)               = ?
[pid 22144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21295", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21295/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21295/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21295")                        = 0
mkdir("./21296", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22145
./strace-static-x86_64: Process 22145 attached
[pid 22145] set_robust_list(0x55558cab0660, 24) = 0
[pid 22145] chdir("./21296")            = 0
[pid 22145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22145] setpgid(0, 0)               = 0
[pid 22145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22145] write(3, "1000", 4)         = 4
[pid 22145] close(3)                    = 0
[pid 22145] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22145] write(1, "executing program\n", 18) = 18
[pid 22145] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22145] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22145] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22145] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22145] exit_group(0)               = ?
[pid 22145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21296", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21296/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21296/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21296")                        = 0
mkdir("./21297", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22146
./strace-static-x86_64: Process 22146 attached
[pid 22146] set_robust_list(0x55558cab0660, 24) = 0
[pid 22146] chdir("./21297")            = 0
[pid 22146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22146] setpgid(0, 0)               = 0
[pid 22146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22146] write(3, "1000", 4)         = 4
[pid 22146] close(3)                    = 0
[pid 22146] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22146] write(1, "executing program\n", 18) = 18
[pid 22146] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22146] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22146] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22146] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22146] exit_group(0)               = ?
[pid 22146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21297", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21297/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21297/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21297")                        = 0
mkdir("./21298", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22147 attached
, child_tidptr=0x55558cab0650) = 22147
[pid 22147] set_robust_list(0x55558cab0660, 24) = 0
[pid 22147] chdir("./21298")            = 0
[pid 22147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22147] setpgid(0, 0)               = 0
[pid 22147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22147] write(3, "1000", 4)         = 4
[pid 22147] close(3)                    = 0
[pid 22147] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22147] write(1, "executing program\n", 18) = 18
[pid 22147] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22147] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22147] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22147] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22147] exit_group(0)               = ?
[pid 22147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21298", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21298/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21298")                        = 0
mkdir("./21299", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22148
./strace-static-x86_64: Process 22148 attached
[pid 22148] set_robust_list(0x55558cab0660, 24) = 0
[pid 22148] chdir("./21299")            = 0
[pid 22148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22148] setpgid(0, 0)               = 0
[pid 22148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22148] write(3, "1000", 4)         = 4
[pid 22148] close(3)                    = 0
[pid 22148] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22148] write(1, "executing program\n", 18executing program
) = 18
[pid 22148] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22148] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22148] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22148] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22148] exit_group(0)               = ?
[pid 22148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21299", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21299/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21299")                        = 0
mkdir("./21300", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22149
./strace-static-x86_64: Process 22149 attached
[pid 22149] set_robust_list(0x55558cab0660, 24) = 0
[pid 22149] chdir("./21300")            = 0
[pid 22149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22149] setpgid(0, 0)               = 0
[pid 22149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22149] write(3, "1000", 4)         = 4
[pid 22149] close(3)                    = 0
[pid 22149] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22149] write(1, "executing program\n", 18) = 18
[pid 22149] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22149] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22149] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22149] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22149] exit_group(0)               = ?
[pid 22149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21300", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21300/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21300")                        = 0
mkdir("./21301", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22150 attached
, child_tidptr=0x55558cab0650) = 22150
[pid 22150] set_robust_list(0x55558cab0660, 24) = 0
[pid 22150] chdir("./21301")            = 0
[pid 22150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22150] setpgid(0, 0)               = 0
[pid 22150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22150] write(3, "1000", 4)         = 4
[pid 22150] close(3)                    = 0
[pid 22150] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22150] write(1, "executing program\n", 18executing program
) = 18
[pid 22150] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22150] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22150] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22150] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22150] exit_group(0)               = ?
[pid 22150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21301", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21301/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21301/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21301")                        = 0
mkdir("./21302", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22151
./strace-static-x86_64: Process 22151 attached
[pid 22151] set_robust_list(0x55558cab0660, 24) = 0
[pid 22151] chdir("./21302")            = 0
[pid 22151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22151] setpgid(0, 0)               = 0
[pid 22151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22151] write(3, "1000", 4)         = 4
[pid 22151] close(3)                    = 0
[pid 22151] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22151] write(1, "executing program\n", 18executing program
) = 18
[pid 22151] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22151] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22151] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22151] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22151] exit_group(0)               = ?
[pid 22151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21302", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21302/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21302/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21302")                        = 0
mkdir("./21303", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22152
./strace-static-x86_64: Process 22152 attached
[pid 22152] set_robust_list(0x55558cab0660, 24) = 0
[pid 22152] chdir("./21303")            = 0
[pid 22152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22152] setpgid(0, 0)               = 0
[pid 22152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22152] write(3, "1000", 4)         = 4
[pid 22152] close(3)                    = 0
[pid 22152] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22152] write(1, "executing program\n", 18) = 18
[pid 22152] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22152] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22152] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22152] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22152] exit_group(0)               = ?
[pid 22152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21303", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21303/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21303")                        = 0
mkdir("./21304", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22153 attached
, child_tidptr=0x55558cab0650) = 22153
[pid 22153] set_robust_list(0x55558cab0660, 24) = 0
[pid 22153] chdir("./21304")            = 0
[pid 22153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22153] setpgid(0, 0)               = 0
[pid 22153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22153] write(3, "1000", 4)         = 4
[pid 22153] close(3)                    = 0
[pid 22153] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22153] write(1, "executing program\n", 18) = 18
[pid 22153] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22153] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22153] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22153] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22153] exit_group(0)               = ?
[pid 22153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21304", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21304/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21304/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21304")                        = 0
mkdir("./21305", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22154
./strace-static-x86_64: Process 22154 attached
[pid 22154] set_robust_list(0x55558cab0660, 24) = 0
[pid 22154] chdir("./21305")            = 0
[pid 22154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22154] setpgid(0, 0)               = 0
[pid 22154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22154] write(3, "1000", 4)         = 4
[pid 22154] close(3)                    = 0
[pid 22154] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22154] write(1, "executing program\n", 18executing program
) = 18
[pid 22154] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22154] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22154] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22154] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22154] exit_group(0)               = ?
[pid 22154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21305", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21305/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21305")                        = 0
mkdir("./21306", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22155 attached
, child_tidptr=0x55558cab0650) = 22155
[pid 22155] set_robust_list(0x55558cab0660, 24) = 0
[pid 22155] chdir("./21306")            = 0
[pid 22155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22155] setpgid(0, 0)               = 0
[pid 22155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22155] write(3, "1000", 4)         = 4
[pid 22155] close(3)                    = 0
[pid 22155] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22155] write(1, "executing program\n", 18) = 18
[pid 22155] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22155] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22155] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22155] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22155] exit_group(0)               = ?
[pid 22155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21306", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21306/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21306/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21306")                        = 0
mkdir("./21307", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22156
./strace-static-x86_64: Process 22156 attached
[pid 22156] set_robust_list(0x55558cab0660, 24) = 0
[pid 22156] chdir("./21307")            = 0
[pid 22156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22156] setpgid(0, 0)               = 0
[pid 22156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22156] write(3, "1000", 4)         = 4
[pid 22156] close(3)                    = 0
[pid 22156] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22156] write(1, "executing program\n", 18executing program
) = 18
[pid 22156] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22156] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22156] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22156] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22156] exit_group(0)               = ?
[pid 22156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21307", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21307/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21307/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21307")                        = 0
mkdir("./21308", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22157
./strace-static-x86_64: Process 22157 attached
[pid 22157] set_robust_list(0x55558cab0660, 24) = 0
[pid 22157] chdir("./21308")            = 0
[pid 22157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22157] setpgid(0, 0)               = 0
[pid 22157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22157] write(3, "1000", 4)         = 4
[pid 22157] close(3)                    = 0
[pid 22157] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22157] write(1, "executing program\n", 18) = 18
[pid 22157] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22157] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22157] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22157] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22157] exit_group(0)               = ?
[pid 22157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21308", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21308/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21308/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21308")                        = 0
mkdir("./21309", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22158
./strace-static-x86_64: Process 22158 attached
[pid 22158] set_robust_list(0x55558cab0660, 24) = 0
[pid 22158] chdir("./21309")            = 0
[pid 22158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22158] setpgid(0, 0)               = 0
[pid 22158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22158] write(3, "1000", 4)         = 4
[pid 22158] close(3)                    = 0
[pid 22158] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22158] write(1, "executing program\n", 18) = 18
[pid 22158] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22158] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22158] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22158] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22158] exit_group(0)               = ?
[pid 22158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21309", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21309/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21309/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21309")                        = 0
mkdir("./21310", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22160
./strace-static-x86_64: Process 22160 attached
[pid 22160] set_robust_list(0x55558cab0660, 24) = 0
[pid 22160] chdir("./21310")            = 0
[pid 22160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22160] setpgid(0, 0)               = 0
[pid 22160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22160] write(3, "1000", 4)         = 4
[pid 22160] close(3)                    = 0
[pid 22160] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22160] write(1, "executing program\n", 18executing program
) = 18
[pid 22160] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22160] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22160] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22160] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22160] exit_group(0)               = ?
[pid 22160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21310", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21310/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21310/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21310")                        = 0
mkdir("./21311", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22161 attached
 <unfinished ...>
[pid 22161] set_robust_list(0x55558cab0660, 24) = 0
[pid 22161] chdir("./21311" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22161
[pid 22161] <... chdir resumed>)        = 0
[pid 22161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22161] setpgid(0, 0)               = 0
[pid 22161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22161] write(3, "1000", 4)         = 4
[pid 22161] close(3)                    = 0
[pid 22161] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22161] write(1, "executing program\n", 18executing program
) = 18
[pid 22161] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22161] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22161] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22161] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22161] exit_group(0)               = ?
[pid 22161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21311", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21311/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21311/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21311")                        = 0
mkdir("./21312", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22162
./strace-static-x86_64: Process 22162 attached
[pid 22162] set_robust_list(0x55558cab0660, 24) = 0
[pid 22162] chdir("./21312")            = 0
[pid 22162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22162] setpgid(0, 0)               = 0
[pid 22162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22162] write(3, "1000", 4)         = 4
[pid 22162] close(3)                    = 0
[pid 22162] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22162] write(1, "executing program\n", 18) = 18
[pid 22162] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22162] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22162] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22162] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22162] exit_group(0)               = ?
[pid 22162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21312", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21312/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21312/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21312")                        = 0
mkdir("./21313", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22163
./strace-static-x86_64: Process 22163 attached
[pid 22163] set_robust_list(0x55558cab0660, 24) = 0
[pid 22163] chdir("./21313")            = 0
[pid 22163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22163] setpgid(0, 0)               = 0
[pid 22163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22163] write(3, "1000", 4)         = 4
[pid 22163] close(3)                    = 0
[pid 22163] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22163] write(1, "executing program\n", 18executing program
) = 18
[pid 22163] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22163] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22163] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22163] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22163] exit_group(0)               = ?
[pid 22163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21313", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21313/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21313/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21313")                        = 0
mkdir("./21314", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22164 attached
 <unfinished ...>
[pid 22164] set_robust_list(0x55558cab0660, 24) = 0
[pid 22164] chdir("./21314")            = 0
[pid 22164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22164] setpgid(0, 0)               = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22164
[pid 22164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22164] write(3, "1000", 4)         = 4
[pid 22164] close(3)                    = 0
[pid 22164] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22164] write(1, "executing program\n", 18executing program
) = 18
[pid 22164] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22164] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22164] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22164] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22164] exit_group(0)               = ?
[pid 22164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21314", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21314/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21314/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21314")                        = 0
mkdir("./21315", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22165 attached
, child_tidptr=0x55558cab0650) = 22165
[pid 22165] set_robust_list(0x55558cab0660, 24) = 0
[pid 22165] chdir("./21315")            = 0
[pid 22165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22165] setpgid(0, 0)               = 0
[pid 22165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22165] write(3, "1000", 4)         = 4
[pid 22165] close(3)                    = 0
[pid 22165] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22165] write(1, "executing program\n", 18) = 18
[pid 22165] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22165] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22165] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22165] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22165] exit_group(0)               = ?
[pid 22165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21315", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21315/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21315/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21315")                        = 0
mkdir("./21316", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22166
./strace-static-x86_64: Process 22166 attached
[pid 22166] set_robust_list(0x55558cab0660, 24) = 0
[pid 22166] chdir("./21316")            = 0
[pid 22166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22166] setpgid(0, 0)               = 0
[pid 22166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22166] write(3, "1000", 4)         = 4
[pid 22166] close(3)                    = 0
[pid 22166] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22166] write(1, "executing program\n", 18executing program
) = 18
[pid 22166] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22166] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22166] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22166] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22166] exit_group(0)               = ?
[pid 22166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21316", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21316/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21316/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21316")                        = 0
mkdir("./21317", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22167
./strace-static-x86_64: Process 22167 attached
[pid 22167] set_robust_list(0x55558cab0660, 24) = 0
[pid 22167] chdir("./21317")            = 0
[pid 22167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22167] setpgid(0, 0)               = 0
[pid 22167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22167] write(3, "1000", 4)         = 4
[pid 22167] close(3)                    = 0
[pid 22167] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22167] write(1, "executing program\n", 18) = 18
[pid 22167] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22167] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22167] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22167] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22167] exit_group(0)               = ?
[pid 22167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21317", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21317/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21317")                        = 0
mkdir("./21318", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22168
./strace-static-x86_64: Process 22168 attached
[pid 22168] set_robust_list(0x55558cab0660, 24) = 0
[pid 22168] chdir("./21318")            = 0
[pid 22168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22168] setpgid(0, 0)               = 0
[pid 22168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22168] write(3, "1000", 4)         = 4
[pid 22168] close(3)                    = 0
[pid 22168] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22168] write(1, "executing program\n", 18) = 18
[pid 22168] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22168] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22168] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22168] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22168] exit_group(0)               = ?
[pid 22168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21318", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21318/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21318/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21318")                        = 0
mkdir("./21319", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22169
./strace-static-x86_64: Process 22169 attached
[pid 22169] set_robust_list(0x55558cab0660, 24) = 0
[pid 22169] chdir("./21319")            = 0
[pid 22169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22169] setpgid(0, 0)               = 0
[pid 22169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22169] write(3, "1000", 4)         = 4
[pid 22169] close(3)                    = 0
[pid 22169] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22169] write(1, "executing program\n", 18executing program
) = 18
[pid 22169] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22169] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22169] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22169] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22169] exit_group(0)               = ?
[pid 22169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21319", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21319/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21319/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21319")                        = 0
mkdir("./21320", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22170
./strace-static-x86_64: Process 22170 attached
[pid 22170] set_robust_list(0x55558cab0660, 24) = 0
[pid 22170] chdir("./21320")            = 0
[pid 22170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22170] setpgid(0, 0)               = 0
[pid 22170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22170] write(3, "1000", 4)         = 4
[pid 22170] close(3)                    = 0
[pid 22170] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22170] write(1, "executing program\n", 18) = 18
[pid 22170] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22170] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22170] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22170] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22170] exit_group(0)               = ?
[pid 22170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21320", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21320/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21320/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21320")                        = 0
mkdir("./21321", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22171
./strace-static-x86_64: Process 22171 attached
[pid 22171] set_robust_list(0x55558cab0660, 24) = 0
[pid 22171] chdir("./21321")            = 0
[pid 22171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22171] setpgid(0, 0)               = 0
[pid 22171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22171] write(3, "1000", 4)         = 4
[pid 22171] close(3)                    = 0
[pid 22171] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22171] write(1, "executing program\n", 18) = 18
[pid 22171] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22171] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22171] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22171] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22171] exit_group(0)               = ?
[pid 22171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21321", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21321/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21321/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21321")                        = 0
mkdir("./21322", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22172
./strace-static-x86_64: Process 22172 attached
[pid 22172] set_robust_list(0x55558cab0660, 24) = 0
[pid 22172] chdir("./21322")            = 0
[pid 22172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22172] setpgid(0, 0)               = 0
[pid 22172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22172] write(3, "1000", 4)         = 4
[pid 22172] close(3)                    = 0
[pid 22172] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22172] write(1, "executing program\n", 18) = 18
[pid 22172] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22172] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22172] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22172] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22172] exit_group(0)               = ?
[pid 22172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21322", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21322/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21322")                        = 0
mkdir("./21323", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22173
./strace-static-x86_64: Process 22173 attached
[pid 22173] set_robust_list(0x55558cab0660, 24) = 0
[pid 22173] chdir("./21323")            = 0
[pid 22173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22173] setpgid(0, 0)               = 0
[pid 22173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22173] write(3, "1000", 4)         = 4
[pid 22173] close(3)                    = 0
[pid 22173] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22173] write(1, "executing program\n", 18) = 18
[pid 22173] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22173] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22173] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22173] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22173] exit_group(0)               = ?
[pid 22173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21323", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21323/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21323/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21323")                        = 0
mkdir("./21324", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22174
./strace-static-x86_64: Process 22174 attached
[pid 22174] set_robust_list(0x55558cab0660, 24) = 0
[pid 22174] chdir("./21324")            = 0
[pid 22174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22174] setpgid(0, 0)               = 0
[pid 22174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22174] write(3, "1000", 4)         = 4
[pid 22174] close(3)                    = 0
[pid 22174] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22174] write(1, "executing program\n", 18) = 18
[pid 22174] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22174] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22174] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22174] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22174] exit_group(0)               = ?
[pid 22174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21324", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21324/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21324/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21324")                        = 0
mkdir("./21325", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22175 attached
, child_tidptr=0x55558cab0650) = 22175
[pid 22175] set_robust_list(0x55558cab0660, 24) = 0
[pid 22175] chdir("./21325")            = 0
[pid 22175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22175] setpgid(0, 0)               = 0
[pid 22175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22175] write(3, "1000", 4)         = 4
[pid 22175] close(3)                    = 0
[pid 22175] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22175] write(1, "executing program\n", 18executing program
) = 18
[pid 22175] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22175] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22175] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22175] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22175] exit_group(0)               = ?
[pid 22175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21325", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21325/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21325/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21325")                        = 0
mkdir("./21326", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22176 attached
, child_tidptr=0x55558cab0650) = 22176
[pid 22176] set_robust_list(0x55558cab0660, 24) = 0
[pid 22176] chdir("./21326")            = 0
[pid 22176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22176] setpgid(0, 0)               = 0
[pid 22176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22176] write(3, "1000", 4)         = 4
[pid 22176] close(3)                    = 0
[pid 22176] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22176] write(1, "executing program\n", 18) = 18
[pid 22176] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22176] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22176] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22176] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22176] exit_group(0)               = ?
[pid 22176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21326", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21326/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21326/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21326")                        = 0
mkdir("./21327", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22177
./strace-static-x86_64: Process 22177 attached
[pid 22177] set_robust_list(0x55558cab0660, 24) = 0
[pid 22177] chdir("./21327")            = 0
[pid 22177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22177] setpgid(0, 0)               = 0
[pid 22177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22177] write(3, "1000", 4)         = 4
[pid 22177] close(3)                    = 0
[pid 22177] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22177] write(1, "executing program\n", 18) = 18
[pid 22177] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22177] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22177] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22177] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22177] exit_group(0)               = ?
[pid 22177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21327", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21327/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21327/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21327")                        = 0
mkdir("./21328", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22178
./strace-static-x86_64: Process 22178 attached
[pid 22178] set_robust_list(0x55558cab0660, 24) = 0
[pid 22178] chdir("./21328")            = 0
[pid 22178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22178] setpgid(0, 0)               = 0
[pid 22178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22178] write(3, "1000", 4)         = 4
[pid 22178] close(3)                    = 0
[pid 22178] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22178] write(1, "executing program\n", 18) = 18
[pid 22178] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22178] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22178] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22178] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22178] exit_group(0)               = ?
[pid 22178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21328", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21328/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21328/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21328")                        = 0
mkdir("./21329", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22179
./strace-static-x86_64: Process 22179 attached
[pid 22179] set_robust_list(0x55558cab0660, 24) = 0
[pid 22179] chdir("./21329")            = 0
[pid 22179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22179] setpgid(0, 0)               = 0
[pid 22179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22179] write(3, "1000", 4)         = 4
[pid 22179] close(3)                    = 0
[pid 22179] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22179] write(1, "executing program\n", 18executing program
) = 18
[pid 22179] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22179] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22179] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22179] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22179] exit_group(0)               = ?
[pid 22179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21329", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21329/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21329/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21329/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21329")                        = 0
mkdir("./21330", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22180
./strace-static-x86_64: Process 22180 attached
[pid 22180] set_robust_list(0x55558cab0660, 24) = 0
[pid 22180] chdir("./21330")            = 0
[pid 22180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22180] setpgid(0, 0)               = 0
[pid 22180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22180] write(3, "1000", 4)         = 4
[pid 22180] close(3)                    = 0
[pid 22180] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22180] write(1, "executing program\n", 18) = 18
[pid 22180] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22180] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22180] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22180] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22180] exit_group(0)               = ?
[pid 22180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21330", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21330/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21330/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21330")                        = 0
mkdir("./21331", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22181
./strace-static-x86_64: Process 22181 attached
[pid 22181] set_robust_list(0x55558cab0660, 24) = 0
[pid 22181] chdir("./21331")            = 0
[pid 22181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22181] setpgid(0, 0)               = 0
[pid 22181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22181] write(3, "1000", 4)         = 4
[pid 22181] close(3)                    = 0
[pid 22181] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22181] write(1, "executing program\n", 18) = 18
[pid 22181] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22181] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22181] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22181] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22181] exit_group(0)               = ?
[pid 22181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21331", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21331/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21331/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21331")                        = 0
mkdir("./21332", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22182
./strace-static-x86_64: Process 22182 attached
[pid 22182] set_robust_list(0x55558cab0660, 24) = 0
[pid 22182] chdir("./21332")            = 0
[pid 22182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22182] setpgid(0, 0)               = 0
[pid 22182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22182] write(3, "1000", 4)         = 4
executing program
[pid 22182] close(3)                    = 0
[pid 22182] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22182] write(1, "executing program\n", 18) = 18
[pid 22182] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22182] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22182] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22182] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22182] exit_group(0)               = ?
[pid 22182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21332", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21332/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21332/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21332")                        = 0
mkdir("./21333", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22183
./strace-static-x86_64: Process 22183 attached
[pid 22183] set_robust_list(0x55558cab0660, 24) = 0
[pid 22183] chdir("./21333")            = 0
[pid 22183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22183] setpgid(0, 0)               = 0
[pid 22183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22183] write(3, "1000", 4)         = 4
[pid 22183] close(3)                    = 0
[pid 22183] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22183] write(1, "executing program\n", 18) = 18
[pid 22183] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22183] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22183] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22183] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22183] exit_group(0)               = ?
[pid 22183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21333", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21333/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21333/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21333")                        = 0
mkdir("./21334", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22184
./strace-static-x86_64: Process 22184 attached
[pid 22184] set_robust_list(0x55558cab0660, 24) = 0
[pid 22184] chdir("./21334")            = 0
[pid 22184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22184] setpgid(0, 0)               = 0
[pid 22184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22184] write(3, "1000", 4)         = 4
[pid 22184] close(3)                    = 0
[pid 22184] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22184] write(1, "executing program\n", 18) = 18
[pid 22184] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22184] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22184] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22184] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22184] exit_group(0)               = ?
[pid 22184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21334", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21334/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21334/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21334")                        = 0
mkdir("./21335", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22185 attached
, child_tidptr=0x55558cab0650) = 22185
[pid 22185] set_robust_list(0x55558cab0660, 24) = 0
[pid 22185] chdir("./21335")            = 0
[pid 22185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22185] setpgid(0, 0)               = 0
[pid 22185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22185] write(3, "1000", 4)         = 4
[pid 22185] close(3)                    = 0
[pid 22185] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22185] write(1, "executing program\n", 18) = 18
[pid 22185] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22185] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22185] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22185] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22185] exit_group(0)               = ?
[pid 22185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21335", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21335/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21335/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21335")                        = 0
mkdir("./21336", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22186
./strace-static-x86_64: Process 22186 attached
[pid 22186] set_robust_list(0x55558cab0660, 24) = 0
[pid 22186] chdir("./21336")            = 0
[pid 22186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22186] setpgid(0, 0)               = 0
[pid 22186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22186] write(3, "1000", 4)         = 4
[pid 22186] close(3)                    = 0
[pid 22186] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22186] write(1, "executing program\n", 18) = 18
[pid 22186] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22186] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22186] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22186] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22186] exit_group(0)               = ?
[pid 22186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21336", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21336/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21336/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21336")                        = 0
mkdir("./21337", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22187
./strace-static-x86_64: Process 22187 attached
[pid 22187] set_robust_list(0x55558cab0660, 24) = 0
[pid 22187] chdir("./21337")            = 0
[pid 22187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22187] setpgid(0, 0)               = 0
[pid 22187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22187] write(3, "1000", 4)         = 4
[pid 22187] close(3)                    = 0
[pid 22187] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22187] write(1, "executing program\n", 18) = 18
[pid 22187] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22187] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22187] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22187] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22187] exit_group(0)               = ?
[pid 22187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21337", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21337/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21337/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21337")                        = 0
mkdir("./21338", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22188 attached
, child_tidptr=0x55558cab0650) = 22188
[pid 22188] set_robust_list(0x55558cab0660, 24) = 0
[pid 22188] chdir("./21338")            = 0
[pid 22188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22188] setpgid(0, 0)               = 0
[pid 22188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22188] write(3, "1000", 4)         = 4
[pid 22188] close(3)                    = 0
[pid 22188] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22188] write(1, "executing program\n", 18executing program
) = 18
[pid 22188] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22188] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22188] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22188] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22188] exit_group(0)               = ?
[pid 22188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21338", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21338/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21338/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21338")                        = 0
mkdir("./21339", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22189
./strace-static-x86_64: Process 22189 attached
[pid 22189] set_robust_list(0x55558cab0660, 24) = 0
[pid 22189] chdir("./21339")            = 0
[pid 22189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22189] setpgid(0, 0)               = 0
[pid 22189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22189] write(3, "1000", 4)         = 4
[pid 22189] close(3)                    = 0
[pid 22189] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22189] write(1, "executing program\n", 18) = 18
[pid 22189] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22189] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22189] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22189] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22189] exit_group(0)               = ?
[pid 22189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21339", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21339/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21339/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21339")                        = 0
mkdir("./21340", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22190 attached
, child_tidptr=0x55558cab0650) = 22190
[pid 22190] set_robust_list(0x55558cab0660, 24) = 0
[pid 22190] chdir("./21340")            = 0
[pid 22190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22190] setpgid(0, 0)               = 0
[pid 22190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22190] write(3, "1000", 4)         = 4
[pid 22190] close(3)                    = 0
[pid 22190] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22190] write(1, "executing program\n", 18) = 18
[pid 22190] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22190] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22190] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22190] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22190] exit_group(0)               = ?
[pid 22190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21340", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21340/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21340/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21340")                        = 0
mkdir("./21341", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22191
./strace-static-x86_64: Process 22191 attached
[pid 22191] set_robust_list(0x55558cab0660, 24) = 0
[pid 22191] chdir("./21341")            = 0
[pid 22191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22191] setpgid(0, 0)               = 0
[pid 22191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22191] write(3, "1000", 4)         = 4
[pid 22191] close(3)                    = 0
[pid 22191] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22191] write(1, "executing program\n", 18executing program
) = 18
[pid 22191] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22191] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22191] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22191] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22191] exit_group(0)               = ?
[pid 22191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21341", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21341/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21341/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21341")                        = 0
mkdir("./21342", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22192
./strace-static-x86_64: Process 22192 attached
[pid 22192] set_robust_list(0x55558cab0660, 24) = 0
[pid 22192] chdir("./21342")            = 0
[pid 22192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22192] setpgid(0, 0)               = 0
[pid 22192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22192] write(3, "1000", 4)         = 4
[pid 22192] close(3)                    = 0
[pid 22192] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22192] write(1, "executing program\n", 18) = 18
[pid 22192] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22192] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22192] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22192] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22192] exit_group(0)               = ?
[pid 22192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22192, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21342", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21342/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21342/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21342/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21342")                        = 0
mkdir("./21343", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22193
./strace-static-x86_64: Process 22193 attached
[pid 22193] set_robust_list(0x55558cab0660, 24) = 0
[pid 22193] chdir("./21343")            = 0
[pid 22193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22193] setpgid(0, 0)               = 0
[pid 22193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22193] write(3, "1000", 4)         = 4
[pid 22193] close(3)                    = 0
[pid 22193] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22193] write(1, "executing program\n", 18executing program
) = 18
[pid 22193] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22193] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22193] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22193] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22193] exit_group(0)               = ?
[pid 22193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21343", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21343/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21343/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21343/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21343")                        = 0
mkdir("./21344", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22194
./strace-static-x86_64: Process 22194 attached
[pid 22194] set_robust_list(0x55558cab0660, 24) = 0
[pid 22194] chdir("./21344")            = 0
[pid 22194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22194] setpgid(0, 0)               = 0
[pid 22194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22194] write(3, "1000", 4)         = 4
[pid 22194] close(3)                    = 0
[pid 22194] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22194] write(1, "executing program\n", 18) = 18
[pid 22194] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22194] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22194] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22194] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22194] exit_group(0)               = ?
[pid 22194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21344", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21344/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21344/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21344/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21344")                        = 0
mkdir("./21345", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22195
./strace-static-x86_64: Process 22195 attached
[pid 22195] set_robust_list(0x55558cab0660, 24) = 0
[pid 22195] chdir("./21345")            = 0
[pid 22195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22195] setpgid(0, 0)               = 0
[pid 22195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22195] write(3, "1000", 4)         = 4
[pid 22195] close(3)                    = 0
[pid 22195] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22195] write(1, "executing program\n", 18) = 18
[pid 22195] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22195] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22195] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22195] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22195] exit_group(0)               = ?
[pid 22195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21345", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21345/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21345/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21345")                        = 0
mkdir("./21346", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22196 attached
, child_tidptr=0x55558cab0650) = 22196
[pid 22196] set_robust_list(0x55558cab0660, 24) = 0
[pid 22196] chdir("./21346")            = 0
[pid 22196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22196] setpgid(0, 0)               = 0
[pid 22196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22196] write(3, "1000", 4)         = 4
[pid 22196] close(3)                    = 0
[pid 22196] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22196] write(1, "executing program\n", 18executing program
) = 18
[pid 22196] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22196] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22196] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22196] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22196] exit_group(0)               = ?
[pid 22196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21346", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21346/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21346/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21346")                        = 0
mkdir("./21347", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22197 attached
, child_tidptr=0x55558cab0650) = 22197
[pid 22197] set_robust_list(0x55558cab0660, 24) = 0
[pid 22197] chdir("./21347")            = 0
[pid 22197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22197] setpgid(0, 0)               = 0
[pid 22197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22197] write(3, "1000", 4)         = 4
[pid 22197] close(3)                    = 0
[pid 22197] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22197] write(1, "executing program\n", 18) = 18
[pid 22197] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22197] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22197] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22197] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22197] exit_group(0)               = ?
[pid 22197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21347", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21347/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21347/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21347")                        = 0
mkdir("./21348", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22198
./strace-static-x86_64: Process 22198 attached
[pid 22198] set_robust_list(0x55558cab0660, 24) = 0
[pid 22198] chdir("./21348")            = 0
[pid 22198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22198] setpgid(0, 0)               = 0
[pid 22198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22198] write(3, "1000", 4)         = 4
[pid 22198] close(3)                    = 0
[pid 22198] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22198] write(1, "executing program\n", 18) = 18
[pid 22198] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22198] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22198] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22198] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22198] exit_group(0)               = ?
[pid 22198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21348", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21348/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21348/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21348")                        = 0
mkdir("./21349", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22199 attached
, child_tidptr=0x55558cab0650) = 22199
[pid 22199] set_robust_list(0x55558cab0660, 24) = 0
[pid 22199] chdir("./21349")            = 0
[pid 22199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22199] setpgid(0, 0)               = 0
[pid 22199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22199] write(3, "1000", 4)         = 4
[pid 22199] close(3)                    = 0
[pid 22199] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22199] write(1, "executing program\n", 18) = 18
[pid 22199] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22199] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22199] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22199] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22199] exit_group(0)               = ?
[pid 22199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21349", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21349/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21349/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21349")                        = 0
mkdir("./21350", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22200
./strace-static-x86_64: Process 22200 attached
[pid 22200] set_robust_list(0x55558cab0660, 24) = 0
[pid 22200] chdir("./21350")            = 0
[pid 22200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22200] setpgid(0, 0)               = 0
[pid 22200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22200] write(3, "1000", 4)         = 4
[pid 22200] close(3)                    = 0
[pid 22200] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22200] write(1, "executing program\n", 18) = 18
[pid 22200] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22200] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22200] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22200] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22200] exit_group(0)               = ?
[pid 22200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21350", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21350/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21350/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21350")                        = 0
mkdir("./21351", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22201
./strace-static-x86_64: Process 22201 attached
[pid 22201] set_robust_list(0x55558cab0660, 24) = 0
[pid 22201] chdir("./21351")            = 0
[pid 22201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22201] setpgid(0, 0)               = 0
[pid 22201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22201] write(3, "1000", 4)         = 4
[pid 22201] close(3)                    = 0
[pid 22201] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22201] write(1, "executing program\n", 18executing program
) = 18
[pid 22201] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22201] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22201] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22201] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22201] exit_group(0)               = ?
[pid 22201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21351", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21351/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21351/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21351")                        = 0
mkdir("./21352", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22202 attached
, child_tidptr=0x55558cab0650) = 22202
[pid 22202] set_robust_list(0x55558cab0660, 24) = 0
[pid 22202] chdir("./21352")            = 0
[pid 22202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22202] setpgid(0, 0)               = 0
[pid 22202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22202] write(3, "1000", 4)         = 4
[pid 22202] close(3)                    = 0
[pid 22202] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22202] write(1, "executing program\n", 18executing program
) = 18
[pid 22202] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22202] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22202] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22202] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22202] exit_group(0)               = ?
[pid 22202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21352", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21352/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21352/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21352")                        = 0
mkdir("./21353", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22203
./strace-static-x86_64: Process 22203 attached
[pid 22203] set_robust_list(0x55558cab0660, 24) = 0
[pid 22203] chdir("./21353")            = 0
[pid 22203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22203] setpgid(0, 0)               = 0
[pid 22203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22203] write(3, "1000", 4)         = 4
[pid 22203] close(3)                    = 0
[pid 22203] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22203] write(1, "executing program\n", 18) = 18
[pid 22203] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22203] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22203] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22203] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22203] exit_group(0)               = ?
[pid 22203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21353", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21353/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21353/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21353")                        = 0
mkdir("./21354", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22204
./strace-static-x86_64: Process 22204 attached
[pid 22204] set_robust_list(0x55558cab0660, 24) = 0
[pid 22204] chdir("./21354")            = 0
[pid 22204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22204] setpgid(0, 0)               = 0
[pid 22204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22204] write(3, "1000", 4)         = 4
[pid 22204] close(3)                    = 0
[pid 22204] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22204] write(1, "executing program\n", 18) = 18
[pid 22204] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22204] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22204] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22204] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22204] exit_group(0)               = ?
[pid 22204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21354", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21354/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21354/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21354")                        = 0
mkdir("./21355", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22205 attached
, child_tidptr=0x55558cab0650) = 22205
[pid 22205] set_robust_list(0x55558cab0660, 24) = 0
[pid 22205] chdir("./21355")            = 0
[pid 22205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22205] setpgid(0, 0)               = 0
[pid 22205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22205] write(3, "1000", 4)         = 4
[pid 22205] close(3)                    = 0
[pid 22205] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22205] write(1, "executing program\n", 18) = 18
[pid 22205] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22205] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22205] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22205] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22205] exit_group(0)               = ?
[pid 22205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21355", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21355/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21355/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21355")                        = 0
mkdir("./21356", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22206
./strace-static-x86_64: Process 22206 attached
[pid 22206] set_robust_list(0x55558cab0660, 24) = 0
[pid 22206] chdir("./21356")            = 0
[pid 22206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22206] setpgid(0, 0)               = 0
[pid 22206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22206] write(3, "1000", 4)         = 4
[pid 22206] close(3)                    = 0
[pid 22206] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22206] write(1, "executing program\n", 18executing program
) = 18
[pid 22206] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22206] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22206] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22206] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22206] exit_group(0)               = ?
[pid 22206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21356", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21356/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21356/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21356")                        = 0
mkdir("./21357", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22207 attached
, child_tidptr=0x55558cab0650) = 22207
[pid 22207] set_robust_list(0x55558cab0660, 24) = 0
[pid 22207] chdir("./21357")            = 0
[pid 22207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22207] setpgid(0, 0)               = 0
[pid 22207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22207] write(3, "1000", 4)         = 4
[pid 22207] close(3)                    = 0
[pid 22207] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22207] write(1, "executing program\n", 18) = 18
[pid 22207] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22207] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22207] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22207] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22207] exit_group(0)               = ?
[pid 22207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21357", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21357/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21357/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21357")                        = 0
mkdir("./21358", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22208
./strace-static-x86_64: Process 22208 attached
[pid 22208] set_robust_list(0x55558cab0660, 24) = 0
[pid 22208] chdir("./21358")            = 0
[pid 22208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22208] setpgid(0, 0)               = 0
[pid 22208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22208] write(3, "1000", 4)         = 4
[pid 22208] close(3)                    = 0
[pid 22208] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22208] write(1, "executing program\n", 18) = 18
[pid 22208] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22208] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22208] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22208] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22208] exit_group(0)               = ?
[pid 22208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21358", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21358/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21358/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21358/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21358")                        = 0
mkdir("./21359", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22209
./strace-static-x86_64: Process 22209 attached
[pid 22209] set_robust_list(0x55558cab0660, 24) = 0
[pid 22209] chdir("./21359")            = 0
[pid 22209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22209] setpgid(0, 0)               = 0
[pid 22209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22209] write(3, "1000", 4)         = 4
[pid 22209] close(3)                    = 0
[pid 22209] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22209] write(1, "executing program\n", 18) = 18
[pid 22209] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22209] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22209] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22209] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22209] exit_group(0)               = ?
[pid 22209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21359", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21359/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21359/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21359/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21359")                        = 0
mkdir("./21360", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22210 attached
, child_tidptr=0x55558cab0650) = 22210
[pid 22210] set_robust_list(0x55558cab0660, 24) = 0
[pid 22210] chdir("./21360")            = 0
[pid 22210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22210] setpgid(0, 0)               = 0
[pid 22210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22210] write(3, "1000", 4)         = 4
[pid 22210] close(3)                    = 0
[pid 22210] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22210] write(1, "executing program\n", 18) = 18
[pid 22210] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22210] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22210] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22210] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22210] exit_group(0)               = ?
[pid 22210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21360", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21360/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21360/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21360")                        = 0
mkdir("./21361", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22211 attached
, child_tidptr=0x55558cab0650) = 22211
[pid 22211] set_robust_list(0x55558cab0660, 24) = 0
[pid 22211] chdir("./21361")            = 0
[pid 22211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22211] setpgid(0, 0)               = 0
[pid 22211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22211] write(3, "1000", 4)         = 4
[pid 22211] close(3)                    = 0
[pid 22211] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22211] write(1, "executing program\n", 18) = 18
[pid 22211] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22211] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22211] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22211] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22211] exit_group(0)               = ?
[pid 22211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21361", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21361/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21361/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21361")                        = 0
mkdir("./21362", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22212 attached
, child_tidptr=0x55558cab0650) = 22212
[pid 22212] set_robust_list(0x55558cab0660, 24) = 0
[pid 22212] chdir("./21362")            = 0
[pid 22212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22212] setpgid(0, 0)               = 0
[pid 22212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22212] write(3, "1000", 4)         = 4
[pid 22212] close(3)                    = 0
[pid 22212] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22212] write(1, "executing program\n", 18) = 18
[pid 22212] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22212] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22212] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22212] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22212] exit_group(0)               = ?
[pid 22212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21362", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21362/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21362/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21362/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21362")                        = 0
mkdir("./21363", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22213
./strace-static-x86_64: Process 22213 attached
[pid 22213] set_robust_list(0x55558cab0660, 24) = 0
[pid 22213] chdir("./21363")            = 0
[pid 22213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22213] setpgid(0, 0)               = 0
[pid 22213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22213] write(3, "1000", 4)         = 4
[pid 22213] close(3)                    = 0
[pid 22213] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22213] write(1, "executing program\n", 18) = 18
[pid 22213] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22213] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22213] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22213] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22213] exit_group(0)               = ?
[pid 22213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21363", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21363/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21363/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21363/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21363")                        = 0
mkdir("./21364", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22214
./strace-static-x86_64: Process 22214 attached
[pid 22214] set_robust_list(0x55558cab0660, 24) = 0
[pid 22214] chdir("./21364")            = 0
[pid 22214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22214] setpgid(0, 0)               = 0
[pid 22214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22214] write(3, "1000", 4)         = 4
[pid 22214] close(3)                    = 0
[pid 22214] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22214] write(1, "executing program\n", 18) = 18
[pid 22214] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22214] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22214] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22214] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22214] exit_group(0)               = ?
[pid 22214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21364", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21364/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21364/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21364/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21364")                        = 0
mkdir("./21365", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22215
./strace-static-x86_64: Process 22215 attached
[pid 22215] set_robust_list(0x55558cab0660, 24) = 0
[pid 22215] chdir("./21365")            = 0
[pid 22215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22215] setpgid(0, 0)               = 0
[pid 22215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22215] write(3, "1000", 4)         = 4
[pid 22215] close(3)                    = 0
[pid 22215] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22215] write(1, "executing program\n", 18) = 18
[pid 22215] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22215] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22215] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22215] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22215] exit_group(0)               = ?
[pid 22215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21365", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21365/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21365/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21365")                        = 0
mkdir("./21366", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22216 attached
, child_tidptr=0x55558cab0650) = 22216
[pid 22216] set_robust_list(0x55558cab0660, 24) = 0
[pid 22216] chdir("./21366")            = 0
[pid 22216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22216] setpgid(0, 0)               = 0
[pid 22216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22216] write(3, "1000", 4)         = 4
[pid 22216] close(3)                    = 0
[pid 22216] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22216] write(1, "executing program\n", 18) = 18
[pid 22216] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22216] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22216] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22216] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22216] exit_group(0)               = ?
[pid 22216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21366", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21366/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21366/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21366/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21366")                        = 0
mkdir("./21367", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22217 attached
, child_tidptr=0x55558cab0650) = 22217
[pid 22217] set_robust_list(0x55558cab0660, 24) = 0
[pid 22217] chdir("./21367")            = 0
[pid 22217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22217] setpgid(0, 0)               = 0
[pid 22217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22217] write(3, "1000", 4)         = 4
[pid 22217] close(3)                    = 0
[pid 22217] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22217] write(1, "executing program\n", 18) = 18
[pid 22217] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22217] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22217] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22217] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22217] exit_group(0)               = ?
[pid 22217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21367", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21367/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21367/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21367/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21367")                        = 0
mkdir("./21368", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22218
./strace-static-x86_64: Process 22218 attached
[pid 22218] set_robust_list(0x55558cab0660, 24) = 0
[pid 22218] chdir("./21368")            = 0
[pid 22218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22218] setpgid(0, 0)               = 0
[pid 22218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22218] write(3, "1000", 4)         = 4
[pid 22218] close(3)                    = 0
[pid 22218] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22218] write(1, "executing program\n", 18) = 18
[pid 22218] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22218] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22218] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22218] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22218] exit_group(0)               = ?
[pid 22218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21368", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21368/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21368/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21368/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21368")                        = 0
mkdir("./21369", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22219 attached
, child_tidptr=0x55558cab0650) = 22219
[pid 22219] set_robust_list(0x55558cab0660, 24) = 0
[pid 22219] chdir("./21369")            = 0
[pid 22219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22219] setpgid(0, 0)               = 0
[pid 22219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22219] write(3, "1000", 4)         = 4
[pid 22219] close(3)                    = 0
[pid 22219] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22219] write(1, "executing program\n", 18) = 18
[pid 22219] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22219] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22219] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22219] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22219] exit_group(0)               = ?
[pid 22219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21369", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21369/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21369/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21369")                        = 0
mkdir("./21370", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22220
./strace-static-x86_64: Process 22220 attached
[pid 22220] set_robust_list(0x55558cab0660, 24) = 0
[pid 22220] chdir("./21370")            = 0
[pid 22220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22220] setpgid(0, 0)               = 0
[pid 22220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22220] write(3, "1000", 4)         = 4
[pid 22220] close(3)                    = 0
[pid 22220] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22220] write(1, "executing program\n", 18) = 18
[pid 22220] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22220] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22220] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22220] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22220] exit_group(0)               = ?
[pid 22220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21370", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21370/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21370/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21370")                        = 0
mkdir("./21371", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22221 attached
, child_tidptr=0x55558cab0650) = 22221
[pid 22221] set_robust_list(0x55558cab0660, 24) = 0
[pid 22221] chdir("./21371")            = 0
[pid 22221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22221] setpgid(0, 0)               = 0
[pid 22221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22221] write(3, "1000", 4)         = 4
[pid 22221] close(3)                    = 0
executing program
[pid 22221] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22221] write(1, "executing program\n", 18) = 18
[pid 22221] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22221] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22221] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22221] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22221] exit_group(0)               = ?
[pid 22221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21371", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21371/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21371/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21371/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21371")                        = 0
mkdir("./21372", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22222
./strace-static-x86_64: Process 22222 attached
[pid 22222] set_robust_list(0x55558cab0660, 24) = 0
[pid 22222] chdir("./21372")            = 0
[pid 22222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22222] setpgid(0, 0)               = 0
[pid 22222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22222] write(3, "1000", 4)         = 4
[pid 22222] close(3)                    = 0
[pid 22222] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22222] write(1, "executing program\n", 18executing program
) = 18
[pid 22222] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22222] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22222] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22222] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22222] exit_group(0)               = ?
[pid 22222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21372", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21372/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21372/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21372/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21372")                        = 0
mkdir("./21373", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22223 attached
, child_tidptr=0x55558cab0650) = 22223
[pid 22223] set_robust_list(0x55558cab0660, 24) = 0
[pid 22223] chdir("./21373")            = 0
[pid 22223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22223] setpgid(0, 0)               = 0
[pid 22223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22223] write(3, "1000", 4)         = 4
[pid 22223] close(3)                    = 0
[pid 22223] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22223] write(1, "executing program\n", 18executing program
) = 18
[pid 22223] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22223] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22223] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22223] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22223] exit_group(0)               = ?
[pid 22223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21373", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21373/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21373/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21373/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21373")                        = 0
mkdir("./21374", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22224
./strace-static-x86_64: Process 22224 attached
[pid 22224] set_robust_list(0x55558cab0660, 24) = 0
[pid 22224] chdir("./21374")            = 0
[pid 22224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22224] setpgid(0, 0)               = 0
[pid 22224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22224] write(3, "1000", 4)         = 4
[pid 22224] close(3)                    = 0
[pid 22224] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22224] write(1, "executing program\n", 18executing program
) = 18
[pid 22224] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22224] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22224] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22224] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22224] exit_group(0)               = ?
[pid 22224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21374", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21374/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21374/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21374/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21374")                        = 0
mkdir("./21375", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22225
./strace-static-x86_64: Process 22225 attached
[pid 22225] set_robust_list(0x55558cab0660, 24) = 0
[pid 22225] chdir("./21375")            = 0
[pid 22225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22225] setpgid(0, 0)               = 0
[pid 22225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22225] write(3, "1000", 4)         = 4
[pid 22225] close(3)                    = 0
[pid 22225] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22225] write(1, "executing program\n", 18) = 18
[pid 22225] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22225] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22225] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22225] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22225] exit_group(0)               = ?
[pid 22225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21375", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21375/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21375/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21375/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21375")                        = 0
mkdir("./21376", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22226 attached
, child_tidptr=0x55558cab0650) = 22226
[pid 22226] set_robust_list(0x55558cab0660, 24) = 0
[pid 22226] chdir("./21376")            = 0
[pid 22226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22226] setpgid(0, 0)               = 0
[pid 22226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22226] write(3, "1000", 4)         = 4
[pid 22226] close(3)                    = 0
[pid 22226] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22226] write(1, "executing program\n", 18) = 18
[pid 22226] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22226] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22226] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22226] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22226] exit_group(0)               = ?
[pid 22226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21376", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21376/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21376/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21376/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21376")                        = 0
mkdir("./21377", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22227
./strace-static-x86_64: Process 22227 attached
[pid 22227] set_robust_list(0x55558cab0660, 24) = 0
[pid 22227] chdir("./21377")            = 0
[pid 22227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22227] setpgid(0, 0)               = 0
[pid 22227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22227] write(3, "1000", 4)         = 4
[pid 22227] close(3)                    = 0
[pid 22227] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22227] write(1, "executing program\n", 18) = 18
[pid 22227] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22227] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22227] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22227] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22227] exit_group(0)               = ?
[pid 22227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21377", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21377/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21377/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21377/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21377")                        = 0
mkdir("./21378", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22228
./strace-static-x86_64: Process 22228 attached
[pid 22228] set_robust_list(0x55558cab0660, 24) = 0
[pid 22228] chdir("./21378")            = 0
[pid 22228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22228] setpgid(0, 0)               = 0
[pid 22228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22228] write(3, "1000", 4)         = 4
[pid 22228] close(3)                    = 0
[pid 22228] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22228] write(1, "executing program\n", 18executing program
) = 18
[pid 22228] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22228] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22228] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22228] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22228] exit_group(0)               = ?
[pid 22228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21378", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21378", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21378/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21378/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21378/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21378")                        = 0
mkdir("./21379", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22229 attached
, child_tidptr=0x55558cab0650) = 22229
[pid 22229] set_robust_list(0x55558cab0660, 24) = 0
[pid 22229] chdir("./21379")            = 0
[pid 22229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22229] setpgid(0, 0)               = 0
[pid 22229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22229] write(3, "1000", 4)         = 4
[pid 22229] close(3)                    = 0
[pid 22229] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22229] write(1, "executing program\n", 18) = 18
[pid 22229] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22229] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22229] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22229] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22229] exit_group(0)               = ?
[pid 22229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21379", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21379", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21379/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21379/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21379/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21379")                        = 0
mkdir("./21380", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22230 attached
 <unfinished ...>
[pid 22230] set_robust_list(0x55558cab0660, 24) = 0
[pid 22230] chdir("./21380" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22230
[pid 22230] <... chdir resumed>)        = 0
[pid 22230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22230] setpgid(0, 0)               = 0
[pid 22230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22230] write(3, "1000", 4)         = 4
[pid 22230] close(3)                    = 0
[pid 22230] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22230] write(1, "executing program\n", 18) = 18
[pid 22230] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22230] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22230] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22230] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22230] exit_group(0)               = ?
[pid 22230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21380", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21380", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21380/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21380/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21380/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21380")                        = 0
mkdir("./21381", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22231 attached
, child_tidptr=0x55558cab0650) = 22231
[pid 22231] set_robust_list(0x55558cab0660, 24) = 0
[pid 22231] chdir("./21381")            = 0
[pid 22231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22231] setpgid(0, 0)               = 0
[pid 22231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22231] write(3, "1000", 4)         = 4
[pid 22231] close(3)                    = 0
[pid 22231] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22231] write(1, "executing program\n", 18) = 18
[pid 22231] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22231] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22231] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22231] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22231] exit_group(0)               = ?
[pid 22231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21381", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21381", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21381/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21381/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21381/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21381")                        = 0
mkdir("./21382", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22232 attached
, child_tidptr=0x55558cab0650) = 22232
[pid 22232] set_robust_list(0x55558cab0660, 24) = 0
[pid 22232] chdir("./21382")            = 0
[pid 22232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22232] setpgid(0, 0)               = 0
[pid 22232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22232] write(3, "1000", 4)         = 4
[pid 22232] close(3)                    = 0
[pid 22232] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22232] write(1, "executing program\n", 18) = 18
[pid 22232] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22232] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22232] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22232] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22232] exit_group(0)               = ?
[pid 22232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21382", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21382", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21382/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21382/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21382/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21382")                        = 0
mkdir("./21383", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22233
./strace-static-x86_64: Process 22233 attached
[pid 22233] set_robust_list(0x55558cab0660, 24) = 0
[pid 22233] chdir("./21383")            = 0
[pid 22233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22233] setpgid(0, 0)               = 0
[pid 22233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22233] write(3, "1000", 4)         = 4
[pid 22233] close(3)                    = 0
[pid 22233] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22233] write(1, "executing program\n", 18) = 18
[pid 22233] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22233] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22233] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22233] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22233] exit_group(0)               = ?
[pid 22233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21383", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21383", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21383/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21383/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21383/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21383")                        = 0
mkdir("./21384", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22234
./strace-static-x86_64: Process 22234 attached
[pid 22234] set_robust_list(0x55558cab0660, 24) = 0
[pid 22234] chdir("./21384")            = 0
[pid 22234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22234] setpgid(0, 0)               = 0
[pid 22234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22234] write(3, "1000", 4)         = 4
[pid 22234] close(3)                    = 0
[pid 22234] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22234] write(1, "executing program\n", 18) = 18
[pid 22234] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22234] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22234] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22234] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22234] exit_group(0)               = ?
[pid 22234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21384", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21384", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21384/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21384/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21384/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21384")                        = 0
mkdir("./21385", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22236
./strace-static-x86_64: Process 22236 attached
[pid 22236] set_robust_list(0x55558cab0660, 24) = 0
[pid 22236] chdir("./21385")            = 0
[pid 22236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22236] setpgid(0, 0)               = 0
[pid 22236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22236] write(3, "1000", 4)         = 4
[pid 22236] close(3)                    = 0
[pid 22236] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22236] write(1, "executing program\n", 18) = 18
[pid 22236] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22236] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22236] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22236] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22236] exit_group(0)               = ?
[pid 22236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21385", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21385", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21385/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21385/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21385/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21385")                        = 0
mkdir("./21386", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22237
./strace-static-x86_64: Process 22237 attached
[pid 22237] set_robust_list(0x55558cab0660, 24) = 0
[pid 22237] chdir("./21386")            = 0
[pid 22237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22237] setpgid(0, 0)               = 0
[pid 22237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22237] write(3, "1000", 4)         = 4
[pid 22237] close(3)                    = 0
[pid 22237] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22237] write(1, "executing program\n", 18) = 18
[pid 22237] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22237] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22237] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22237] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22237] exit_group(0)               = ?
[pid 22237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21386", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21386", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21386/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21386/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21386/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21386")                        = 0
mkdir("./21387", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22238
./strace-static-x86_64: Process 22238 attached
[pid 22238] set_robust_list(0x55558cab0660, 24) = 0
[pid 22238] chdir("./21387")            = 0
[pid 22238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22238] setpgid(0, 0)               = 0
[pid 22238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22238] write(3, "1000", 4)         = 4
[pid 22238] close(3)                    = 0
[pid 22238] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22238] write(1, "executing program\n", 18executing program
) = 18
[pid 22238] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22238] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22238] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22238] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22238] exit_group(0)               = ?
[pid 22238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21387", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21387", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21387/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21387/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21387/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21387")                        = 0
mkdir("./21388", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22239
./strace-static-x86_64: Process 22239 attached
[pid 22239] set_robust_list(0x55558cab0660, 24) = 0
[pid 22239] chdir("./21388")            = 0
[pid 22239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22239] setpgid(0, 0)               = 0
[pid 22239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22239] write(3, "1000", 4)         = 4
[pid 22239] close(3)                    = 0
[pid 22239] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22239] write(1, "executing program\n", 18) = 18
[pid 22239] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22239] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22239] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22239] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22239] exit_group(0)               = ?
[pid 22239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21388", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21388", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21388/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21388/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21388/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21388")                        = 0
mkdir("./21389", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22240
./strace-static-x86_64: Process 22240 attached
[pid 22240] set_robust_list(0x55558cab0660, 24) = 0
[pid 22240] chdir("./21389")            = 0
[pid 22240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22240] setpgid(0, 0)               = 0
[pid 22240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22240] write(3, "1000", 4)         = 4
[pid 22240] close(3)                    = 0
[pid 22240] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22240] write(1, "executing program\n", 18) = 18
[pid 22240] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22240] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22240] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22240] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22240] exit_group(0)               = ?
[pid 22240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21389", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21389", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21389/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21389/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21389/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21389")                        = 0
mkdir("./21390", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22241
./strace-static-x86_64: Process 22241 attached
[pid 22241] set_robust_list(0x55558cab0660, 24) = 0
[pid 22241] chdir("./21390")            = 0
[pid 22241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22241] setpgid(0, 0)               = 0
[pid 22241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22241] write(3, "1000", 4)         = 4
[pid 22241] close(3)                    = 0
[pid 22241] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22241] write(1, "executing program\n", 18) = 18
[pid 22241] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22241] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22241] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22241] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22241] exit_group(0)               = ?
[pid 22241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21390", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21390", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21390/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21390/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21390/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21390")                        = 0
mkdir("./21391", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22242
./strace-static-x86_64: Process 22242 attached
[pid 22242] set_robust_list(0x55558cab0660, 24) = 0
[pid 22242] chdir("./21391")            = 0
[pid 22242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22242] setpgid(0, 0)               = 0
[pid 22242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22242] write(3, "1000", 4)         = 4
[pid 22242] close(3)                    = 0
[pid 22242] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22242] write(1, "executing program\n", 18) = 18
[pid 22242] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22242] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22242] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22242] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22242] exit_group(0)               = ?
[pid 22242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21391", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21391", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21391/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21391/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21391/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21391")                        = 0
mkdir("./21392", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22243 attached
, child_tidptr=0x55558cab0650) = 22243
[pid 22243] set_robust_list(0x55558cab0660, 24) = 0
[pid 22243] chdir("./21392")            = 0
[pid 22243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22243] setpgid(0, 0)               = 0
[pid 22243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22243] write(3, "1000", 4)         = 4
[pid 22243] close(3)                    = 0
[pid 22243] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22243] write(1, "executing program\n", 18executing program
) = 18
[pid 22243] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22243] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22243] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22243] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22243] exit_group(0)               = ?
[pid 22243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21392", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21392", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21392/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21392/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21392/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21392")                        = 0
mkdir("./21393", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22244 attached
 <unfinished ...>
[pid 22244] set_robust_list(0x55558cab0660, 24) = 0
[pid 22244] chdir("./21393" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22244
[pid 22244] <... chdir resumed>)        = 0
[pid 22244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22244] setpgid(0, 0)               = 0
[pid 22244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22244] write(3, "1000", 4)         = 4
[pid 22244] close(3)                    = 0
[pid 22244] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22244] write(1, "executing program\n", 18executing program
) = 18
[pid 22244] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22244] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22244] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22244] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22244] exit_group(0)               = ?
[pid 22244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21393", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21393", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21393/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21393/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21393/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21393")                        = 0
mkdir("./21394", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22245 attached
, child_tidptr=0x55558cab0650) = 22245
[pid 22245] set_robust_list(0x55558cab0660, 24) = 0
[pid 22245] chdir("./21394")            = 0
[pid 22245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22245] setpgid(0, 0)               = 0
[pid 22245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22245] write(3, "1000", 4)         = 4
[pid 22245] close(3)                    = 0
[pid 22245] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22245] write(1, "executing program\n", 18) = 18
[pid 22245] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22245] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22245] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22245] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22245] exit_group(0)               = ?
[pid 22245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21394", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21394", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21394/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21394/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21394/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21394")                        = 0
mkdir("./21395", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22246 attached
, child_tidptr=0x55558cab0650) = 22246
[pid 22246] set_robust_list(0x55558cab0660, 24) = 0
[pid 22246] chdir("./21395")            = 0
[pid 22246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22246] setpgid(0, 0)               = 0
[pid 22246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22246] write(3, "1000", 4)         = 4
[pid 22246] close(3)                    = 0
[pid 22246] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22246] write(1, "executing program\n", 18) = 18
[pid 22246] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22246] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22246] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22246] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22246] exit_group(0)               = ?
[pid 22246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21395", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21395", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21395/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21395/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21395/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21395")                        = 0
mkdir("./21396", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22247
./strace-static-x86_64: Process 22247 attached
[pid 22247] set_robust_list(0x55558cab0660, 24) = 0
[pid 22247] chdir("./21396")            = 0
[pid 22247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22247] setpgid(0, 0)               = 0
[pid 22247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22247] write(3, "1000", 4)         = 4
[pid 22247] close(3)                    = 0
[pid 22247] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22247] write(1, "executing program\n", 18) = 18
executing program
[pid 22247] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22247] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22247] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22247] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22247] exit_group(0)               = ?
[pid 22247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21396", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21396", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21396/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21396/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21396/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21396")                        = 0
mkdir("./21397", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22248 attached
, child_tidptr=0x55558cab0650) = 22248
[pid 22248] set_robust_list(0x55558cab0660, 24) = 0
[pid 22248] chdir("./21397")            = 0
[pid 22248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22248] setpgid(0, 0)               = 0
[pid 22248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22248] write(3, "1000", 4)         = 4
[pid 22248] close(3)                    = 0
[pid 22248] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22248] write(1, "executing program\n", 18executing program
) = 18
[pid 22248] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22248] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22248] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22248] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22248] exit_group(0)               = ?
[pid 22248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21397", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21397", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21397/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21397/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21397/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21397")                        = 0
mkdir("./21398", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22249
./strace-static-x86_64: Process 22249 attached
[pid 22249] set_robust_list(0x55558cab0660, 24) = 0
[pid 22249] chdir("./21398")            = 0
[pid 22249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22249] setpgid(0, 0)               = 0
[pid 22249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22249] write(3, "1000", 4)         = 4
[pid 22249] close(3)                    = 0
[pid 22249] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22249] write(1, "executing program\n", 18executing program
) = 18
[pid 22249] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22249] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22249] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22249] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22249] exit_group(0)               = ?
[pid 22249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21398", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21398", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21398/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21398/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21398/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21398")                        = 0
mkdir("./21399", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22250
./strace-static-x86_64: Process 22250 attached
[pid 22250] set_robust_list(0x55558cab0660, 24) = 0
[pid 22250] chdir("./21399")            = 0
[pid 22250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22250] setpgid(0, 0)               = 0
[pid 22250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22250] write(3, "1000", 4)         = 4
[pid 22250] close(3)                    = 0
[pid 22250] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22250] write(1, "executing program\n", 18) = 18
[pid 22250] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22250] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22250] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22250] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22250] exit_group(0)               = ?
[pid 22250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21399", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21399", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21399/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21399/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21399/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21399")                        = 0
mkdir("./21400", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22251 attached
, child_tidptr=0x55558cab0650) = 22251
[pid 22251] set_robust_list(0x55558cab0660, 24) = 0
[pid 22251] chdir("./21400")            = 0
[pid 22251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22251] setpgid(0, 0)               = 0
[pid 22251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22251] write(3, "1000", 4)         = 4
[pid 22251] close(3)                    = 0
[pid 22251] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22251] write(1, "executing program\n", 18) = 18
[pid 22251] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22251] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22251] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22251] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22251] exit_group(0)               = ?
[pid 22251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21400", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21400", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21400/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21400/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21400/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21400")                        = 0
mkdir("./21401", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22252 attached
, child_tidptr=0x55558cab0650) = 22252
[pid 22252] set_robust_list(0x55558cab0660, 24) = 0
[pid 22252] chdir("./21401")            = 0
[pid 22252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22252] setpgid(0, 0)               = 0
[pid 22252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22252] write(3, "1000", 4)         = 4
[pid 22252] close(3)                    = 0
[pid 22252] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22252] write(1, "executing program\n", 18executing program
) = 18
[pid 22252] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22252] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22252] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22252] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22252] exit_group(0)               = ?
[pid 22252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21401", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21401", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21401/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21401/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21401/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21401")                        = 0
mkdir("./21402", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22253
./strace-static-x86_64: Process 22253 attached
[pid 22253] set_robust_list(0x55558cab0660, 24) = 0
[pid 22253] chdir("./21402")            = 0
[pid 22253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22253] setpgid(0, 0)               = 0
[pid 22253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22253] write(3, "1000", 4)         = 4
[pid 22253] close(3)                    = 0
[pid 22253] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22253] write(1, "executing program\n", 18) = 18
[pid 22253] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22253] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22253] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22253] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22253] exit_group(0)               = ?
[pid 22253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21402", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21402", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21402/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21402/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21402/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21402")                        = 0
mkdir("./21403", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22254 attached
 <unfinished ...>
[pid 22254] set_robust_list(0x55558cab0660, 24) = 0
[pid 22254] chdir("./21403" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22254
[pid 22254] <... chdir resumed>)        = 0
[pid 22254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22254] setpgid(0, 0)               = 0
[pid 22254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22254] write(3, "1000", 4)         = 4
[pid 22254] close(3)                    = 0
[pid 22254] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22254] write(1, "executing program\n", 18executing program
) = 18
[pid 22254] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22254] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22254] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22254] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22254] exit_group(0)               = ?
[pid 22254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21403", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21403", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21403/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21403/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21403/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21403")                        = 0
mkdir("./21404", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22255
./strace-static-x86_64: Process 22255 attached
[pid 22255] set_robust_list(0x55558cab0660, 24) = 0
[pid 22255] chdir("./21404")            = 0
[pid 22255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22255] setpgid(0, 0)               = 0
[pid 22255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22255] write(3, "1000", 4)         = 4
[pid 22255] close(3)                    = 0
[pid 22255] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22255] write(1, "executing program\n", 18executing program
) = 18
[pid 22255] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22255] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22255] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22255] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22255] exit_group(0)               = ?
[pid 22255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21404", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21404", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21404/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21404/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21404/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21404")                        = 0
mkdir("./21405", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22256
./strace-static-x86_64: Process 22256 attached
[pid 22256] set_robust_list(0x55558cab0660, 24) = 0
[pid 22256] chdir("./21405")            = 0
[pid 22256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22256] setpgid(0, 0)               = 0
[pid 22256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22256] write(3, "1000", 4)         = 4
[pid 22256] close(3)                    = 0
[pid 22256] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22256] write(1, "executing program\n", 18) = 18
[pid 22256] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22256] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22256] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22256] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22256] exit_group(0)               = ?
[pid 22256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21405", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21405", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21405/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21405/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21405/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21405")                        = 0
mkdir("./21406", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22257
./strace-static-x86_64: Process 22257 attached
[pid 22257] set_robust_list(0x55558cab0660, 24) = 0
[pid 22257] chdir("./21406")            = 0
[pid 22257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22257] setpgid(0, 0)               = 0
[pid 22257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22257] write(3, "1000", 4)         = 4
[pid 22257] close(3)                    = 0
[pid 22257] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22257] write(1, "executing program\n", 18) = 18
[pid 22257] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22257] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22257] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22257] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22257] exit_group(0)               = ?
[pid 22257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21406", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21406", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21406/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21406/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21406/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21406")                        = 0
executing program
mkdir("./21407", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22258 attached
, child_tidptr=0x55558cab0650) = 22258
[pid 22258] set_robust_list(0x55558cab0660, 24) = 0
[pid 22258] chdir("./21407")            = 0
[pid 22258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22258] setpgid(0, 0)               = 0
[pid 22258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22258] write(3, "1000", 4)         = 4
[pid 22258] close(3)                    = 0
[pid 22258] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22258] write(1, "executing program\n", 18) = 18
[pid 22258] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22258] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22258] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22258] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22258] exit_group(0)               = ?
[pid 22258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21407", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21407", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21407/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21407/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21407/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21407")                        = 0
mkdir("./21408", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22259 attached
, child_tidptr=0x55558cab0650) = 22259
[pid 22259] set_robust_list(0x55558cab0660, 24) = 0
[pid 22259] chdir("./21408")            = 0
[pid 22259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22259] setpgid(0, 0)               = 0
[pid 22259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22259] write(3, "1000", 4)         = 4
[pid 22259] close(3)                    = 0
[pid 22259] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22259] write(1, "executing program\n", 18) = 18
[pid 22259] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22259] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22259] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22259] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22259] exit_group(0)               = ?
[pid 22259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21408", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21408", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21408/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21408/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21408/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21408")                        = 0
mkdir("./21409", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22260 attached
, child_tidptr=0x55558cab0650) = 22260
[pid 22260] set_robust_list(0x55558cab0660, 24) = 0
[pid 22260] chdir("./21409")            = 0
[pid 22260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22260] setpgid(0, 0)               = 0
[pid 22260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22260] write(3, "1000", 4)         = 4
[pid 22260] close(3)                    = 0
[pid 22260] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22260] write(1, "executing program\n", 18executing program
) = 18
[pid 22260] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22260] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22260] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22260] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22260] exit_group(0)               = ?
[pid 22260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21409", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21409", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21409/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21409/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21409/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21409")                        = 0
mkdir("./21410", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22261 attached
, child_tidptr=0x55558cab0650) = 22261
[pid 22261] set_robust_list(0x55558cab0660, 24) = 0
[pid 22261] chdir("./21410")            = 0
[pid 22261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22261] setpgid(0, 0)               = 0
[pid 22261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22261] write(3, "1000", 4)         = 4
[pid 22261] close(3)                    = 0
[pid 22261] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22261] write(1, "executing program\n", 18executing program
) = 18
[pid 22261] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22261] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22261] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22261] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22261] exit_group(0)               = ?
[pid 22261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21410", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21410", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21410/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21410/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21410/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21410")                        = 0
mkdir("./21411", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22262 attached
, child_tidptr=0x55558cab0650) = 22262
[pid 22262] set_robust_list(0x55558cab0660, 24) = 0
[pid 22262] chdir("./21411")            = 0
[pid 22262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22262] setpgid(0, 0)               = 0
[pid 22262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22262] write(3, "1000", 4)         = 4
[pid 22262] close(3)                    = 0
[pid 22262] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22262] write(1, "executing program\n", 18) = 18
[pid 22262] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22262] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22262] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22262] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22262] exit_group(0)               = ?
[pid 22262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21411", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21411", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21411/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21411/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21411/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21411")                        = 0
mkdir("./21412", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22263
./strace-static-x86_64: Process 22263 attached
[pid 22263] set_robust_list(0x55558cab0660, 24) = 0
[pid 22263] chdir("./21412")            = 0
[pid 22263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22263] setpgid(0, 0)               = 0
[pid 22263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22263] write(3, "1000", 4)         = 4
[pid 22263] close(3)                    = 0
[pid 22263] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22263] write(1, "executing program\n", 18) = 18
[pid 22263] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22263] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22263] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22263] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22263] exit_group(0)               = ?
[pid 22263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21412", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21412", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21412/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21412/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21412/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21412")                        = 0
mkdir("./21413", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22264 attached
, child_tidptr=0x55558cab0650) = 22264
[pid 22264] set_robust_list(0x55558cab0660, 24) = 0
[pid 22264] chdir("./21413")            = 0
[pid 22264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22264] setpgid(0, 0)               = 0
[pid 22264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22264] write(3, "1000", 4)         = 4
[pid 22264] close(3)                    = 0
[pid 22264] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22264] write(1, "executing program\n", 18) = 18
[pid 22264] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22264] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22264] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22264] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22264] exit_group(0)               = ?
[pid 22264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21413", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21413", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21413/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21413/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21413/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21413")                        = 0
mkdir("./21414", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22265 attached
, child_tidptr=0x55558cab0650) = 22265
[pid 22265] set_robust_list(0x55558cab0660, 24) = 0
[pid 22265] chdir("./21414")            = 0
[pid 22265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22265] setpgid(0, 0)               = 0
[pid 22265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22265] write(3, "1000", 4)         = 4
[pid 22265] close(3)                    = 0
[pid 22265] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22265] write(1, "executing program\n", 18) = 18
[pid 22265] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22265] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22265] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22265] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22265] exit_group(0)               = ?
[pid 22265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21414", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21414", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21414/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21414/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21414/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21414")                        = 0
mkdir("./21415", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22266
./strace-static-x86_64: Process 22266 attached
[pid 22266] set_robust_list(0x55558cab0660, 24) = 0
[pid 22266] chdir("./21415")            = 0
[pid 22266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22266] setpgid(0, 0)               = 0
[pid 22266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22266] write(3, "1000", 4)         = 4
[pid 22266] close(3)                    = 0
[pid 22266] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22266] write(1, "executing program\n", 18executing program
) = 18
[pid 22266] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22266] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22266] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22266] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22266] exit_group(0)               = ?
[pid 22266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21415", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21415", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21415/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21415/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21415/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21415")                        = 0
mkdir("./21416", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22267 attached
, child_tidptr=0x55558cab0650) = 22267
[pid 22267] set_robust_list(0x55558cab0660, 24) = 0
[pid 22267] chdir("./21416")            = 0
[pid 22267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22267] setpgid(0, 0)               = 0
[pid 22267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22267] write(3, "1000", 4)         = 4
[pid 22267] close(3)                    = 0
[pid 22267] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22267] write(1, "executing program\n", 18executing program
) = 18
[pid 22267] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22267] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22267] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22267] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22267] exit_group(0)               = ?
[pid 22267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21416", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21416", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21416/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21416/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21416/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21416")                        = 0
mkdir("./21417", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22268 attached
, child_tidptr=0x55558cab0650) = 22268
[pid 22268] set_robust_list(0x55558cab0660, 24) = 0
[pid 22268] chdir("./21417")            = 0
[pid 22268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22268] setpgid(0, 0)               = 0
[pid 22268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22268] write(3, "1000", 4)         = 4
[pid 22268] close(3)                    = 0
[pid 22268] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22268] write(1, "executing program\n", 18) = 18
[pid 22268] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22268] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22268] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22268] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22268] exit_group(0)               = ?
[pid 22268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21417", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21417", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21417/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21417/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21417/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21417")                        = 0
mkdir("./21418", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22269 attached
, child_tidptr=0x55558cab0650) = 22269
[pid 22269] set_robust_list(0x55558cab0660, 24) = 0
[pid 22269] chdir("./21418")            = 0
[pid 22269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22269] setpgid(0, 0)               = 0
[pid 22269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22269] write(3, "1000", 4)         = 4
[pid 22269] close(3)                    = 0
[pid 22269] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22269] write(1, "executing program\n", 18executing program
) = 18
[pid 22269] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22269] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22269] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22269] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22269] exit_group(0)               = ?
[pid 22269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21418", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21418", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21418/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21418/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21418/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21418")                        = 0
mkdir("./21419", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22270
./strace-static-x86_64: Process 22270 attached
[pid 22270] set_robust_list(0x55558cab0660, 24) = 0
[pid 22270] chdir("./21419")            = 0
[pid 22270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22270] setpgid(0, 0)               = 0
[pid 22270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22270] write(3, "1000", 4)         = 4
[pid 22270] close(3)                    = 0
[pid 22270] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22270] write(1, "executing program\n", 18) = 18
[pid 22270] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22270] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22270] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22270] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22270] exit_group(0)               = ?
[pid 22270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21419", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21419", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21419/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21419/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21419/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21419")                        = 0
mkdir("./21420", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22271
./strace-static-x86_64: Process 22271 attached
[pid 22271] set_robust_list(0x55558cab0660, 24) = 0
[pid 22271] chdir("./21420")            = 0
[pid 22271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22271] setpgid(0, 0)               = 0
[pid 22271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22271] write(3, "1000", 4)         = 4
[pid 22271] close(3)                    = 0
[pid 22271] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22271] write(1, "executing program\n", 18executing program
) = 18
[pid 22271] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22271] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22271] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22271] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22271] exit_group(0)               = ?
[pid 22271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21420", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21420", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21420/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21420/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21420/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21420")                        = 0
mkdir("./21421", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22272 attached
, child_tidptr=0x55558cab0650) = 22272
[pid 22272] set_robust_list(0x55558cab0660, 24) = 0
[pid 22272] chdir("./21421")            = 0
[pid 22272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22272] setpgid(0, 0)               = 0
[pid 22272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22272] write(3, "1000", 4)         = 4
[pid 22272] close(3)                    = 0
[pid 22272] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22272] write(1, "executing program\n", 18) = 18
[pid 22272] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22272] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22272] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22272] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22272] exit_group(0)               = ?
[pid 22272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21421", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21421", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21421/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21421/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21421/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21421")                        = 0
mkdir("./21422", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22273 attached
, child_tidptr=0x55558cab0650) = 22273
[pid 22273] set_robust_list(0x55558cab0660, 24) = 0
[pid 22273] chdir("./21422")            = 0
[pid 22273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22273] setpgid(0, 0)               = 0
[pid 22273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22273] write(3, "1000", 4)         = 4
[pid 22273] close(3)                    = 0
[pid 22273] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22273] write(1, "executing program\n", 18) = 18
[pid 22273] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22273] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22273] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22273] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22273] exit_group(0)               = ?
[pid 22273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21422", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21422", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21422/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21422/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21422/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21422")                        = 0
mkdir("./21423", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22274
./strace-static-x86_64: Process 22274 attached
[pid 22274] set_robust_list(0x55558cab0660, 24) = 0
[pid 22274] chdir("./21423")            = 0
[pid 22274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22274] setpgid(0, 0)               = 0
[pid 22274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22274] write(3, "1000", 4)         = 4
[pid 22274] close(3)                    = 0
[pid 22274] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22274] write(1, "executing program\n", 18) = 18
[pid 22274] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22274] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22274] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22274] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22274] exit_group(0)               = ?
[pid 22274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21423", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21423", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21423/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21423/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21423/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21423")                        = 0
mkdir("./21424", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22275 attached
, child_tidptr=0x55558cab0650) = 22275
[pid 22275] set_robust_list(0x55558cab0660, 24) = 0
[pid 22275] chdir("./21424")            = 0
[pid 22275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22275] setpgid(0, 0)               = 0
[pid 22275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22275] write(3, "1000", 4)         = 4
[pid 22275] close(3)                    = 0
[pid 22275] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22275] write(1, "executing program\n", 18executing program
) = 18
[pid 22275] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22275] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22275] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22275] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22275] exit_group(0)               = ?
[pid 22275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21424", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21424", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21424/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21424/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21424/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21424")                        = 0
mkdir("./21425", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22276 attached
, child_tidptr=0x55558cab0650) = 22276
[pid 22276] set_robust_list(0x55558cab0660, 24) = 0
[pid 22276] chdir("./21425")            = 0
[pid 22276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22276] setpgid(0, 0)               = 0
[pid 22276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22276] write(3, "1000", 4)         = 4
[pid 22276] close(3)                    = 0
[pid 22276] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22276] write(1, "executing program\n", 18) = 18
[pid 22276] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22276] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22276] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22276] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22276] exit_group(0)               = ?
[pid 22276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21425", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21425", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21425/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21425/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21425/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21425")                        = 0
mkdir("./21426", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22277
./strace-static-x86_64: Process 22277 attached
[pid 22277] set_robust_list(0x55558cab0660, 24) = 0
[pid 22277] chdir("./21426")            = 0
[pid 22277] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid 22277] setpgid(0, 0)               = 0
[pid 22277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22277] write(3, "1000", 4)         = 4
[pid 22277] close(3)                    = 0
[pid 22277] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22277] write(1, "executing program\n", 18) = 18
[pid 22277] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22277] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22277] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22277] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22277] exit_group(0)               = ?
[pid 22277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21426", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21426", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21426/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21426/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21426/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21426")                        = 0
mkdir("./21427", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22278
./strace-static-x86_64: Process 22278 attached
[pid 22278] set_robust_list(0x55558cab0660, 24) = 0
[pid 22278] chdir("./21427")            = 0
[pid 22278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22278] setpgid(0, 0)               = 0
[pid 22278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22278] write(3, "1000", 4)         = 4
[pid 22278] close(3)                    = 0
[pid 22278] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22278] write(1, "executing program\n", 18) = 18
[pid 22278] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22278] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22278] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22278] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22278] exit_group(0)               = ?
[pid 22278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21427", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21427", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21427/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21427/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21427/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21427")                        = 0
mkdir("./21428", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22279
./strace-static-x86_64: Process 22279 attached
[pid 22279] set_robust_list(0x55558cab0660, 24) = 0
[pid 22279] chdir("./21428")            = 0
[pid 22279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22279] setpgid(0, 0)               = 0
[pid 22279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22279] write(3, "1000", 4)         = 4
[pid 22279] close(3)                    = 0
[pid 22279] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22279] write(1, "executing program\n", 18executing program
) = 18
[pid 22279] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22279] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22279] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22279] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22279] exit_group(0)               = ?
[pid 22279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21428", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21428", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21428/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21428/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21428/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21428")                        = 0
mkdir("./21429", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22280
./strace-static-x86_64: Process 22280 attached
[pid 22280] set_robust_list(0x55558cab0660, 24) = 0
[pid 22280] chdir("./21429")            = 0
[pid 22280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22280] setpgid(0, 0)               = 0
[pid 22280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22280] write(3, "1000", 4)         = 4
[pid 22280] close(3)                    = 0
[pid 22280] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22280] write(1, "executing program\n", 18) = 18
[pid 22280] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22280] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22280] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22280] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22280] exit_group(0)               = ?
[pid 22280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21429", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21429", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21429/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21429/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21429/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21429")                        = 0
mkdir("./21430", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22281 attached
, child_tidptr=0x55558cab0650) = 22281
[pid 22281] set_robust_list(0x55558cab0660, 24) = 0
[pid 22281] chdir("./21430")            = 0
[pid 22281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22281] setpgid(0, 0)               = 0
[pid 22281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22281] write(3, "1000", 4)         = 4
[pid 22281] close(3)                    = 0
[pid 22281] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22281] write(1, "executing program\n", 18) = 18
[pid 22281] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22281] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22281] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22281] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22281] exit_group(0)               = ?
[pid 22281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21430", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21430", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21430/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21430/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21430/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21430")                        = 0
mkdir("./21431", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22282
./strace-static-x86_64: Process 22282 attached
[pid 22282] set_robust_list(0x55558cab0660, 24) = 0
[pid 22282] chdir("./21431")            = 0
[pid 22282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22282] setpgid(0, 0)               = 0
[pid 22282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22282] write(3, "1000", 4)         = 4
[pid 22282] close(3)                    = 0
[pid 22282] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22282] write(1, "executing program\n", 18executing program
) = 18
[pid 22282] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22282] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22282] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22282] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22282] exit_group(0)               = ?
[pid 22282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21431", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21431", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21431/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21431/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21431/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21431")                        = 0
mkdir("./21432", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22283 attached
, child_tidptr=0x55558cab0650) = 22283
[pid 22283] set_robust_list(0x55558cab0660, 24) = 0
[pid 22283] chdir("./21432")            = 0
[pid 22283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22283] setpgid(0, 0)               = 0
[pid 22283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22283] write(3, "1000", 4)         = 4
[pid 22283] close(3)                    = 0
[pid 22283] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22283] write(1, "executing program\n", 18executing program
) = 18
[pid 22283] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22283] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22283] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22283] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22283] exit_group(0)               = ?
[pid 22283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21432", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21432", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21432/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21432/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21432/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21432")                        = 0
mkdir("./21433", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22284
./strace-static-x86_64: Process 22284 attached
[pid 22284] set_robust_list(0x55558cab0660, 24) = 0
[pid 22284] chdir("./21433")            = 0
[pid 22284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22284] setpgid(0, 0)               = 0
[pid 22284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22284] write(3, "1000", 4)         = 4
[pid 22284] close(3)                    = 0
[pid 22284] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22284] write(1, "executing program\n", 18) = 18
[pid 22284] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22284] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22284] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22284] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22284] exit_group(0)               = ?
[pid 22284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22284, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21433", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21433", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21433/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21433/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21433/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21433")                        = 0
mkdir("./21434", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22285
./strace-static-x86_64: Process 22285 attached
[pid 22285] set_robust_list(0x55558cab0660, 24) = 0
[pid 22285] chdir("./21434")            = 0
[pid 22285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22285] setpgid(0, 0)               = 0
[pid 22285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22285] write(3, "1000", 4)         = 4
[pid 22285] close(3)                    = 0
[pid 22285] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22285] write(1, "executing program\n", 18) = 18
[pid 22285] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22285] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22285] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22285] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22285] exit_group(0)               = ?
[pid 22285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21434", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21434", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21434/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21434/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21434/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21434")                        = 0
mkdir("./21435", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22286 attached
, child_tidptr=0x55558cab0650) = 22286
[pid 22286] set_robust_list(0x55558cab0660, 24) = 0
[pid 22286] chdir("./21435")            = 0
[pid 22286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22286] setpgid(0, 0)               = 0
[pid 22286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22286] write(3, "1000", 4)         = 4
[pid 22286] close(3)                    = 0
[pid 22286] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22286] write(1, "executing program\n", 18executing program
) = 18
[pid 22286] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22286] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22286] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22286] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22286] exit_group(0)               = ?
[pid 22286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21435", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21435", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21435/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21435/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21435/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21435")                        = 0
mkdir("./21436", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22287 attached
, child_tidptr=0x55558cab0650) = 22287
[pid 22287] set_robust_list(0x55558cab0660, 24) = 0
[pid 22287] chdir("./21436")            = 0
[pid 22287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22287] setpgid(0, 0)               = 0
[pid 22287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22287] write(3, "1000", 4)         = 4
[pid 22287] close(3)                    = 0
[pid 22287] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22287] write(1, "executing program\n", 18) = 18
[pid 22287] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22287] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22287] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22287] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22287] exit_group(0)               = ?
[pid 22287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21436", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21436", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21436/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21436/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21436/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21436")                        = 0
mkdir("./21437", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22288 attached
, child_tidptr=0x55558cab0650) = 22288
[pid 22288] set_robust_list(0x55558cab0660, 24) = 0
[pid 22288] chdir("./21437")            = 0
[pid 22288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22288] setpgid(0, 0)               = 0
[pid 22288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22288] write(3, "1000", 4)         = 4
[pid 22288] close(3)                    = 0
[pid 22288] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22288] write(1, "executing program\n", 18executing program
) = 18
[pid 22288] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22288] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22288] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22288] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22288] exit_group(0)               = ?
[pid 22288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21437", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21437", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21437/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21437/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21437/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21437")                        = 0
mkdir("./21438", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22289 attached
, child_tidptr=0x55558cab0650) = 22289
[pid 22289] set_robust_list(0x55558cab0660, 24) = 0
[pid 22289] chdir("./21438")            = 0
[pid 22289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22289] setpgid(0, 0)               = 0
[pid 22289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22289] write(3, "1000", 4)         = 4
[pid 22289] close(3)                    = 0
[pid 22289] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22289] write(1, "executing program\n", 18executing program
) = 18
[pid 22289] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22289] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22289] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22289] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22289] exit_group(0)               = ?
[pid 22289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21438", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21438", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21438/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21438/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21438/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21438")                        = 0
mkdir("./21439", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22290
./strace-static-x86_64: Process 22290 attached
[pid 22290] set_robust_list(0x55558cab0660, 24) = 0
[pid 22290] chdir("./21439")            = 0
[pid 22290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22290] setpgid(0, 0)               = 0
[pid 22290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22290] write(3, "1000", 4)         = 4
[pid 22290] close(3)                    = 0
[pid 22290] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22290] write(1, "executing program\n", 18) = 18
[pid 22290] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22290] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22290] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22290] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22290] exit_group(0)               = ?
[pid 22290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21439", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21439", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21439/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21439/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21439/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21439")                        = 0
mkdir("./21440", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22291 attached
, child_tidptr=0x55558cab0650) = 22291
[pid 22291] set_robust_list(0x55558cab0660, 24) = 0
[pid 22291] chdir("./21440")            = 0
[pid 22291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22291] setpgid(0, 0)               = 0
[pid 22291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22291] write(3, "1000", 4)         = 4
[pid 22291] close(3)                    = 0
[pid 22291] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22291] write(1, "executing program\n", 18) = 18
[pid 22291] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22291] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22291] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22291] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22291] exit_group(0)               = ?
[pid 22291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21440", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21440", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21440/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21440/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21440/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21440")                        = 0
mkdir("./21441", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22292 attached
, child_tidptr=0x55558cab0650) = 22292
[pid 22292] set_robust_list(0x55558cab0660, 24) = 0
[pid 22292] chdir("./21441")            = 0
[pid 22292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22292] setpgid(0, 0)               = 0
[pid 22292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22292] write(3, "1000", 4)         = 4
[pid 22292] close(3)                    = 0
[pid 22292] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22292] write(1, "executing program\n", 18) = 18
[pid 22292] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22292] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22292] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22292] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22292] exit_group(0)               = ?
[pid 22292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22292, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21441", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21441", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21441/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21441/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21441/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21441")                        = 0
mkdir("./21442", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22293
./strace-static-x86_64: Process 22293 attached
[pid 22293] set_robust_list(0x55558cab0660, 24) = 0
[pid 22293] chdir("./21442")            = 0
[pid 22293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22293] setpgid(0, 0)               = 0
[pid 22293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22293] write(3, "1000", 4)         = 4
[pid 22293] close(3)                    = 0
[pid 22293] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22293] write(1, "executing program\n", 18) = 18
[pid 22293] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22293] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22293] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22293] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22293] exit_group(0)               = ?
[pid 22293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21442", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21442", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21442/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21442/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21442/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21442")                        = 0
mkdir("./21443", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22294
./strace-static-x86_64: Process 22294 attached
[pid 22294] set_robust_list(0x55558cab0660, 24) = 0
[pid 22294] chdir("./21443")            = 0
[pid 22294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22294] setpgid(0, 0)               = 0
[pid 22294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22294] write(3, "1000", 4)         = 4
[pid 22294] close(3)                    = 0
[pid 22294] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22294] write(1, "executing program\n", 18executing program
) = 18
[pid 22294] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22294] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22294] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22294] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22294] exit_group(0)               = ?
[pid 22294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21443", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21443", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21443/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21443/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21443/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21443")                        = 0
mkdir("./21444", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22295 attached
, child_tidptr=0x55558cab0650) = 22295
[pid 22295] set_robust_list(0x55558cab0660, 24) = 0
[pid 22295] chdir("./21444")            = 0
[pid 22295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22295] setpgid(0, 0)               = 0
[pid 22295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22295] write(3, "1000", 4)         = 4
[pid 22295] close(3)                    = 0
[pid 22295] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22295] write(1, "executing program\n", 18executing program
) = 18
[pid 22295] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22295] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22295] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22295] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22295] exit_group(0)               = ?
[pid 22295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21444", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21444", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21444/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21444/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21444/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21444")                        = 0
mkdir("./21445", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22296
./strace-static-x86_64: Process 22296 attached
[pid 22296] set_robust_list(0x55558cab0660, 24) = 0
[pid 22296] chdir("./21445")            = 0
[pid 22296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22296] setpgid(0, 0)               = 0
[pid 22296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22296] write(3, "1000", 4)         = 4
[pid 22296] close(3)                    = 0
[pid 22296] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22296] write(1, "executing program\n", 18executing program
) = 18
[pid 22296] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22296] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22296] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22296] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22296] exit_group(0)               = ?
[pid 22296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21445", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21445", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21445/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21445/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21445/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21445")                        = 0
mkdir("./21446", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22297
./strace-static-x86_64: Process 22297 attached
[pid 22297] set_robust_list(0x55558cab0660, 24) = 0
[pid 22297] chdir("./21446")            = 0
[pid 22297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22297] setpgid(0, 0)               = 0
[pid 22297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22297] write(3, "1000", 4)         = 4
[pid 22297] close(3)                    = 0
[pid 22297] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22297] write(1, "executing program\n", 18) = 18
[pid 22297] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22297] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22297] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22297] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22297] exit_group(0)               = ?
[pid 22297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21446", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21446", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21446/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21446/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21446/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21446")                        = 0
mkdir("./21447", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22298
./strace-static-x86_64: Process 22298 attached
[pid 22298] set_robust_list(0x55558cab0660, 24) = 0
[pid 22298] chdir("./21447")            = 0
[pid 22298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22298] setpgid(0, 0)               = 0
[pid 22298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22298] write(3, "1000", 4)         = 4
[pid 22298] close(3)                    = 0
[pid 22298] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22298] write(1, "executing program\n", 18executing program
) = 18
[pid 22298] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22298] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22298] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22298] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22298] exit_group(0)               = ?
[pid 22298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21447", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21447", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21447/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21447/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21447/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21447")                        = 0
executing program
mkdir("./21448", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22299
./strace-static-x86_64: Process 22299 attached
[pid 22299] set_robust_list(0x55558cab0660, 24) = 0
[pid 22299] chdir("./21448")            = 0
[pid 22299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22299] setpgid(0, 0)               = 0
[pid 22299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22299] write(3, "1000", 4)         = 4
[pid 22299] close(3)                    = 0
[pid 22299] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22299] write(1, "executing program\n", 18) = 18
[pid 22299] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22299] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22299] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22299] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22299] exit_group(0)               = ?
[pid 22299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21448", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21448", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21448/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21448/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21448/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21448")                        = 0
mkdir("./21449", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22300
./strace-static-x86_64: Process 22300 attached
[pid 22300] set_robust_list(0x55558cab0660, 24) = 0
[pid 22300] chdir("./21449")            = 0
[pid 22300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22300] setpgid(0, 0)               = 0
[pid 22300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22300] write(3, "1000", 4)         = 4
[pid 22300] close(3)                    = 0
[pid 22300] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22300] write(1, "executing program\n", 18) = 18
[pid 22300] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22300] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22300] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22300] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22300] exit_group(0)               = ?
[pid 22300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
umount2("./21449", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21449", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21449/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21449/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21449/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21449")                        = 0
mkdir("./21450", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22301
./strace-static-x86_64: Process 22301 attached
[pid 22301] set_robust_list(0x55558cab0660, 24) = 0
[pid 22301] chdir("./21450")            = 0
[pid 22301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22301] setpgid(0, 0)               = 0
[pid 22301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22301] write(3, "1000", 4)         = 4
[pid 22301] close(3)                    = 0
[pid 22301] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22301] write(1, "executing program\n", 18) = 18
[pid 22301] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22301] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22301] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22301] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22301] exit_group(0)               = ?
[pid 22301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21450", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21450", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21450/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21450/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21450/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21450")                        = 0
mkdir("./21451", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22302
./strace-static-x86_64: Process 22302 attached
[pid 22302] set_robust_list(0x55558cab0660, 24) = 0
[pid 22302] chdir("./21451")            = 0
[pid 22302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22302] setpgid(0, 0)               = 0
[pid 22302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22302] write(3, "1000", 4)         = 4
[pid 22302] close(3)                    = 0
[pid 22302] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22302] write(1, "executing program\n", 18executing program
) = 18
[pid 22302] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22302] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22302] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22302] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22302] exit_group(0)               = ?
[pid 22302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21451", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21451", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21451/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21451/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21451/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21451")                        = 0
mkdir("./21452", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22303
./strace-static-x86_64: Process 22303 attached
[pid 22303] set_robust_list(0x55558cab0660, 24) = 0
[pid 22303] chdir("./21452")            = 0
[pid 22303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22303] setpgid(0, 0)               = 0
[pid 22303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22303] write(3, "1000", 4)         = 4
[pid 22303] close(3)                    = 0
[pid 22303] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22303] write(1, "executing program\n", 18executing program
) = 18
[pid 22303] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22303] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22303] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22303] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22303] exit_group(0)               = ?
[pid 22303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21452", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21452", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21452/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21452/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21452/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21452")                        = 0
mkdir("./21453", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22304
./strace-static-x86_64: Process 22304 attached
[pid 22304] set_robust_list(0x55558cab0660, 24) = 0
[pid 22304] chdir("./21453")            = 0
[pid 22304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22304] setpgid(0, 0)               = 0
[pid 22304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22304] write(3, "1000", 4)         = 4
[pid 22304] close(3)                    = 0
[pid 22304] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22304] write(1, "executing program\n", 18) = 18
[pid 22304] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22304] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22304] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22304] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22304] exit_group(0)               = ?
[pid 22304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21453", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21453", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21453/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21453/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21453/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21453")                        = 0
mkdir("./21454", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22305 attached
, child_tidptr=0x55558cab0650) = 22305
[pid 22305] set_robust_list(0x55558cab0660, 24) = 0
[pid 22305] chdir("./21454")            = 0
[pid 22305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22305] setpgid(0, 0)               = 0
[pid 22305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22305] write(3, "1000", 4)         = 4
[pid 22305] close(3)                    = 0
[pid 22305] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22305] write(1, "executing program\n", 18) = 18
[pid 22305] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22305] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22305] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22305] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22305] exit_group(0)               = ?
[pid 22305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21454", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21454", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21454/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21454/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21454/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21454")                        = 0
mkdir("./21455", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22306
./strace-static-x86_64: Process 22306 attached
[pid 22306] set_robust_list(0x55558cab0660, 24) = 0
[pid 22306] chdir("./21455")            = 0
[pid 22306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22306] setpgid(0, 0)               = 0
[pid 22306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22306] write(3, "1000", 4)         = 4
[pid 22306] close(3)                    = 0
[pid 22306] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22306] write(1, "executing program\n", 18) = 18
[pid 22306] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22306] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22306] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22306] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22306] exit_group(0)               = ?
[pid 22306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21455", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21455", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21455/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21455/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21455/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21455")                        = 0
mkdir("./21456", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22307
./strace-static-x86_64: Process 22307 attached
[pid 22307] set_robust_list(0x55558cab0660, 24) = 0
[pid 22307] chdir("./21456")            = 0
[pid 22307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22307] setpgid(0, 0)               = 0
[pid 22307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22307] write(3, "1000", 4)         = 4
[pid 22307] close(3)                    = 0
[pid 22307] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22307] write(1, "executing program\n", 18) = 18
[pid 22307] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22307] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22307] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22307] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22307] exit_group(0)               = ?
[pid 22307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21456", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21456", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21456/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21456/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21456/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21456")                        = 0
mkdir("./21457", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22308 attached
, child_tidptr=0x55558cab0650) = 22308
[pid 22308] set_robust_list(0x55558cab0660, 24) = 0
[pid 22308] chdir("./21457")            = 0
[pid 22308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22308] setpgid(0, 0)               = 0
executing program
[pid 22308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22308] write(3, "1000", 4)         = 4
[pid 22308] close(3)                    = 0
[pid 22308] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22308] write(1, "executing program\n", 18) = 18
[pid 22308] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22308] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22308] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22308] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22308] exit_group(0)               = ?
[pid 22308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21457", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21457", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21457/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21457/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21457/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21457")                        = 0
mkdir("./21458", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22309 attached
, child_tidptr=0x55558cab0650) = 22309
[pid 22309] set_robust_list(0x55558cab0660, 24) = 0
[pid 22309] chdir("./21458")            = 0
[pid 22309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22309] setpgid(0, 0)               = 0
[pid 22309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22309] write(3, "1000", 4)         = 4
[pid 22309] close(3)                    = 0
[pid 22309] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22309] write(1, "executing program\n", 18) = 18
[pid 22309] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22309] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22309] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22309] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22309] exit_group(0)               = ?
[pid 22309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21458", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21458", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21458/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21458/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21458/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21458")                        = 0
mkdir("./21459", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22310 attached
, child_tidptr=0x55558cab0650) = 22310
[pid 22310] set_robust_list(0x55558cab0660, 24) = 0
[pid 22310] chdir("./21459")            = 0
[pid 22310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22310] setpgid(0, 0)               = 0
[pid 22310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22310] write(3, "1000", 4)         = 4
[pid 22310] close(3)                    = 0
[pid 22310] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22310] write(1, "executing program\n", 18executing program
) = 18
[pid 22310] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22310] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22310] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22310] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22310] exit_group(0)               = ?
[pid 22310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22310, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21459", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21459", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21459/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21459/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21459/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21459")                        = 0
mkdir("./21460", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22311
./strace-static-x86_64: Process 22311 attached
[pid 22311] set_robust_list(0x55558cab0660, 24) = 0
[pid 22311] chdir("./21460")            = 0
[pid 22311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22311] setpgid(0, 0)               = 0
[pid 22311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22311] write(3, "1000", 4)         = 4
[pid 22311] close(3)                    = 0
[pid 22311] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22311] write(1, "executing program\n", 18) = 18
[pid 22311] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22311] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22311] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22311] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22311] exit_group(0)               = ?
[pid 22311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21460", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21460", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21460/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21460/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21460/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21460")                        = 0
mkdir("./21461", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22313 attached
, child_tidptr=0x55558cab0650) = 22313
[pid 22313] set_robust_list(0x55558cab0660, 24) = 0
[pid 22313] chdir("./21461")            = 0
[pid 22313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22313] setpgid(0, 0)               = 0
[pid 22313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22313] write(3, "1000", 4)         = 4
[pid 22313] close(3)                    = 0
[pid 22313] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22313] write(1, "executing program\n", 18) = 18
[pid 22313] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22313] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22313] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22313] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22313] exit_group(0)               = ?
[pid 22313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21461", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21461", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21461/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21461/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21461/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21461")                        = 0
mkdir("./21462", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22314
./strace-static-x86_64: Process 22314 attached
[pid 22314] set_robust_list(0x55558cab0660, 24) = 0
[pid 22314] chdir("./21462")            = 0
[pid 22314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22314] setpgid(0, 0)               = 0
[pid 22314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22314] write(3, "1000", 4)         = 4
[pid 22314] close(3)                    = 0
[pid 22314] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22314] write(1, "executing program\n", 18) = 18
[pid 22314] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22314] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22314] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22314] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22314] exit_group(0)               = ?
[pid 22314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21462", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21462", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21462/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21462/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21462/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21462")                        = 0
mkdir("./21463", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22315 attached
, child_tidptr=0x55558cab0650) = 22315
[pid 22315] set_robust_list(0x55558cab0660, 24) = 0
[pid 22315] chdir("./21463")            = 0
[pid 22315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22315] setpgid(0, 0)               = 0
[pid 22315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22315] write(3, "1000", 4)         = 4
[pid 22315] close(3)                    = 0
[pid 22315] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22315] write(1, "executing program\n", 18) = 18
[pid 22315] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22315] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22315] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22315] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22315] exit_group(0)               = ?
[pid 22315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21463", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21463", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21463/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21463/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21463/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21463")                        = 0
mkdir("./21464", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22316
./strace-static-x86_64: Process 22316 attached
[pid 22316] set_robust_list(0x55558cab0660, 24) = 0
[pid 22316] chdir("./21464")            = 0
[pid 22316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22316] setpgid(0, 0)               = 0
[pid 22316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22316] write(3, "1000", 4)         = 4
[pid 22316] close(3)                    = 0
[pid 22316] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22316] write(1, "executing program\n", 18executing program
) = 18
[pid 22316] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22316] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22316] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22316] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22316] exit_group(0)               = ?
[pid 22316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21464", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21464", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21464/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21464/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21464/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21464")                        = 0
mkdir("./21465", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22317
./strace-static-x86_64: Process 22317 attached
[pid 22317] set_robust_list(0x55558cab0660, 24) = 0
[pid 22317] chdir("./21465")            = 0
[pid 22317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22317] setpgid(0, 0)               = 0
[pid 22317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22317] write(3, "1000", 4)         = 4
[pid 22317] close(3)                    = 0
[pid 22317] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22317] write(1, "executing program\n", 18executing program
) = 18
[pid 22317] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22317] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22317] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22317] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22317] exit_group(0)               = ?
[pid 22317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21465", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21465", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21465/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21465/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21465/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21465")                        = 0
mkdir("./21466", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22318
./strace-static-x86_64: Process 22318 attached
[pid 22318] set_robust_list(0x55558cab0660, 24) = 0
[pid 22318] chdir("./21466")            = 0
[pid 22318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22318] setpgid(0, 0)               = 0
[pid 22318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22318] write(3, "1000", 4)         = 4
[pid 22318] close(3)                    = 0
[pid 22318] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22318] write(1, "executing program\n", 18executing program
) = 18
[pid 22318] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22318] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22318] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22318] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22318] exit_group(0)               = ?
[pid 22318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21466", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21466", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21466/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21466/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21466/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21466")                        = 0
mkdir("./21467", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22319 attached
, child_tidptr=0x55558cab0650) = 22319
[pid 22319] set_robust_list(0x55558cab0660, 24) = 0
[pid 22319] chdir("./21467")            = 0
[pid 22319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22319] setpgid(0, 0)               = 0
[pid 22319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22319] write(3, "1000", 4)         = 4
[pid 22319] close(3)                    = 0
[pid 22319] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22319] write(1, "executing program\n", 18) = 18
[pid 22319] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22319] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22319] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22319] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22319] exit_group(0)               = ?
[pid 22319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21467", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21467", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21467/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21467/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21467/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21467")                        = 0
mkdir("./21468", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22320
./strace-static-x86_64: Process 22320 attached
[pid 22320] set_robust_list(0x55558cab0660, 24) = 0
[pid 22320] chdir("./21468")            = 0
[pid 22320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22320] setpgid(0, 0)               = 0
[pid 22320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22320] write(3, "1000", 4)         = 4
[pid 22320] close(3)                    = 0
[pid 22320] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22320] write(1, "executing program\n", 18) = 18
[pid 22320] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22320] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22320] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22320] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22320] exit_group(0)               = ?
[pid 22320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21468", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21468", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21468/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21468/binderfs", executing program
{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21468/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21468")                        = 0
mkdir("./21469", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22321 attached
, child_tidptr=0x55558cab0650) = 22321
[pid 22321] set_robust_list(0x55558cab0660, 24) = 0
[pid 22321] chdir("./21469")            = 0
[pid 22321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22321] setpgid(0, 0)               = 0
[pid 22321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22321] write(3, "1000", 4)         = 4
[pid 22321] close(3)                    = 0
[pid 22321] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22321] write(1, "executing program\n", 18) = 18
[pid 22321] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22321] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22321] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22321] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22321] exit_group(0)               = ?
[pid 22321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21469", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21469", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21469/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21469/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21469/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21469")                        = 0
mkdir("./21470", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22322
./strace-static-x86_64: Process 22322 attached
[pid 22322] set_robust_list(0x55558cab0660, 24) = 0
[pid 22322] chdir("./21470")            = 0
[pid 22322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22322] setpgid(0, 0)               = 0
[pid 22322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22322] write(3, "1000", 4)         = 4
[pid 22322] close(3)                    = 0
[pid 22322] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22322] write(1, "executing program\n", 18executing program
) = 18
[pid 22322] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22322] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22322] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22322] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22322] exit_group(0)               = ?
[pid 22322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21470", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21470", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21470/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21470/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21470/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21470")                        = 0
mkdir("./21471", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22323
./strace-static-x86_64: Process 22323 attached
[pid 22323] set_robust_list(0x55558cab0660, 24) = 0
[pid 22323] chdir("./21471")            = 0
[pid 22323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22323] setpgid(0, 0)               = 0
[pid 22323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22323] write(3, "1000", 4)         = 4
[pid 22323] close(3)                    = 0
[pid 22323] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22323] write(1, "executing program\n", 18) = 18
[pid 22323] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22323] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22323] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22323] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22323] exit_group(0)               = ?
[pid 22323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21471", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21471", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21471/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21471/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21471/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21471")                        = 0
mkdir("./21472", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22324
./strace-static-x86_64: Process 22324 attached
[pid 22324] set_robust_list(0x55558cab0660, 24) = 0
[pid 22324] chdir("./21472")            = 0
[pid 22324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22324] setpgid(0, 0)               = 0
[pid 22324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22324] write(3, "1000", 4)         = 4
[pid 22324] close(3)                    = 0
[pid 22324] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22324] write(1, "executing program\n", 18) = 18
[pid 22324] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22324] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22324] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22324] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22324] exit_group(0)               = ?
[pid 22324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21472", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21472", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21472/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21472/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21472/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21472")                        = 0
mkdir("./21473", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22325 attached
, child_tidptr=0x55558cab0650) = 22325
[pid 22325] set_robust_list(0x55558cab0660, 24) = 0
[pid 22325] chdir("./21473")            = 0
[pid 22325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22325] setpgid(0, 0)               = 0
[pid 22325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22325] write(3, "1000", 4)         = 4
[pid 22325] close(3)                    = 0
[pid 22325] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22325] write(1, "executing program\n", 18) = 18
[pid 22325] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22325] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22325] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22325] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22325] exit_group(0)               = ?
[pid 22325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21473", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21473", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21473/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21473/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21473/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21473")                        = 0
mkdir("./21474", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22326
./strace-static-x86_64: Process 22326 attached
[pid 22326] set_robust_list(0x55558cab0660, 24) = 0
[pid 22326] chdir("./21474")            = 0
[pid 22326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22326] setpgid(0, 0)               = 0
[pid 22326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22326] write(3, "1000", 4)         = 4
[pid 22326] close(3)                    = 0
[pid 22326] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22326] write(1, "executing program\n", 18executing program
) = 18
[pid 22326] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22326] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22326] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22326] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22326] exit_group(0)               = ?
[pid 22326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21474", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21474", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21474/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21474/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21474/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21474")                        = 0
mkdir("./21475", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22327 attached
, child_tidptr=0x55558cab0650) = 22327
[pid 22327] set_robust_list(0x55558cab0660, 24) = 0
[pid 22327] chdir("./21475")            = 0
[pid 22327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22327] setpgid(0, 0)               = 0
[pid 22327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22327] write(3, "1000", 4)         = 4
[pid 22327] close(3)                    = 0
[pid 22327] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22327] write(1, "executing program\n", 18) = 18
[pid 22327] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22327] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22327] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22327] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22327] exit_group(0)               = ?
[pid 22327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21475", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21475", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21475/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21475/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21475/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21475")                        = 0
mkdir("./21476", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22328 attached
, child_tidptr=0x55558cab0650) = 22328
[pid 22328] set_robust_list(0x55558cab0660, 24) = 0
[pid 22328] chdir("./21476")            = 0
[pid 22328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22328] setpgid(0, 0)               = 0
[pid 22328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22328] write(3, "1000", 4)         = 4
[pid 22328] close(3)                    = 0
[pid 22328] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22328] write(1, "executing program\n", 18) = 18
[pid 22328] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22328] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22328] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22328] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22328] exit_group(0)               = ?
[pid 22328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21476", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21476", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21476/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21476/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21476/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21476")                        = 0
mkdir("./21477", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22329
./strace-static-x86_64: Process 22329 attached
[pid 22329] set_robust_list(0x55558cab0660, 24) = 0
[pid 22329] chdir("./21477")            = 0
[pid 22329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22329] setpgid(0, 0)               = 0
[pid 22329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22329] write(3, "1000", 4)         = 4
[pid 22329] close(3)                    = 0
[pid 22329] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22329] write(1, "executing program\n", 18executing program
) = 18
[pid 22329] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22329] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22329] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22329] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22329] exit_group(0)               = ?
[pid 22329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21477", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21477", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21477/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21477/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21477/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21477")                        = 0
mkdir("./21478", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22330 attached
, child_tidptr=0x55558cab0650) = 22330
[pid 22330] set_robust_list(0x55558cab0660, 24) = 0
[pid 22330] chdir("./21478")            = 0
[pid 22330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22330] setpgid(0, 0)               = 0
[pid 22330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22330] write(3, "1000", 4)         = 4
[pid 22330] close(3)                    = 0
[pid 22330] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22330] write(1, "executing program\n", 18) = 18
[pid 22330] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22330] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22330] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22330] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22330] exit_group(0)               = ?
[pid 22330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21478", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21478", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21478/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21478/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21478/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21478")                        = 0
mkdir("./21479", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22331 attached
, child_tidptr=0x55558cab0650) = 22331
[pid 22331] set_robust_list(0x55558cab0660, 24) = 0
[pid 22331] chdir("./21479")            = 0
[pid 22331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22331] setpgid(0, 0)               = 0
[pid 22331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22331] write(3, "1000", 4)         = 4
[pid 22331] close(3)                    = 0
[pid 22331] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22331] write(1, "executing program\n", 18) = 18
[pid 22331] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7executing program
, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22331] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22331] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22331] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22331] exit_group(0)               = ?
[pid 22331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21479", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21479", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21479/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21479/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21479/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21479")                        = 0
mkdir("./21480", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22332
./strace-static-x86_64: Process 22332 attached
[pid 22332] set_robust_list(0x55558cab0660, 24) = 0
[pid 22332] chdir("./21480")            = 0
[pid 22332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22332] setpgid(0, 0)               = 0
[pid 22332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22332] write(3, "1000", 4)         = 4
[pid 22332] close(3)                    = 0
[pid 22332] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22332] write(1, "executing program\n", 18executing program
) = 18
[pid 22332] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22332] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22332] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22332] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22332] exit_group(0)               = ?
[pid 22332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21480", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21480", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21480/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21480/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21480/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21480")                        = 0
mkdir("./21481", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22333
./strace-static-x86_64: Process 22333 attached
[pid 22333] set_robust_list(0x55558cab0660, 24) = 0
[pid 22333] chdir("./21481")            = 0
[pid 22333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22333] setpgid(0, 0)               = 0
[pid 22333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22333] write(3, "1000", 4)         = 4
[pid 22333] close(3)                    = 0
[pid 22333] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22333] write(1, "executing program\n", 18) = 18
[pid 22333] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22333] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22333] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22333] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22333] exit_group(0)               = ?
[pid 22333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21481", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21481", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21481/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21481/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21481/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21481")                        = 0
mkdir("./21482", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22334 attached
, child_tidptr=0x55558cab0650) = 22334
[pid 22334] set_robust_list(0x55558cab0660, 24) = 0
[pid 22334] chdir("./21482")            = 0
[pid 22334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22334] setpgid(0, 0)               = 0
[pid 22334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22334] write(3, "1000", 4)         = 4
[pid 22334] close(3)                    = 0
[pid 22334] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22334] write(1, "executing program\n", 18) = 18
[pid 22334] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22334] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22334] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22334] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22334] exit_group(0)               = ?
[pid 22334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21482", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21482", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21482/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21482/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21482/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21482")                        = 0
mkdir("./21483", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22335 attached
, child_tidptr=0x55558cab0650) = 22335
[pid 22335] set_robust_list(0x55558cab0660, 24) = 0
[pid 22335] chdir("./21483"executing program
)            = 0
[pid 22335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22335] setpgid(0, 0)               = 0
[pid 22335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22335] write(3, "1000", 4)         = 4
[pid 22335] close(3)                    = 0
[pid 22335] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22335] write(1, "executing program\n", 18) = 18
[pid 22335] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22335] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22335] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22335] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22335] exit_group(0)               = ?
[pid 22335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21483", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21483", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21483/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21483/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21483/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21483")                        = 0
mkdir("./21484", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22336 attached
, child_tidptr=0x55558cab0650) = 22336
[pid 22336] set_robust_list(0x55558cab0660, 24) = 0
[pid 22336] chdir("./21484")            = 0
[pid 22336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22336] setpgid(0, 0)               = 0
[pid 22336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22336] write(3, "1000", 4)         = 4
[pid 22336] close(3)                    = 0
[pid 22336] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22336] write(1, "executing program\n", 18) = 18
[pid 22336] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22336] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22336] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22336] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22336] exit_group(0)               = ?
[pid 22336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21484", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21484", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21484/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21484/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21484/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21484")                        = 0
mkdir("./21485", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22337 attached
, child_tidptr=0x55558cab0650) = 22337
[pid 22337] set_robust_list(0x55558cab0660, 24) = 0
[pid 22337] chdir("./21485")            = 0
[pid 22337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22337] setpgid(0, 0)               = 0
[pid 22337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22337] write(3, "1000", 4)         = 4
[pid 22337] close(3)                    = 0
[pid 22337] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22337] write(1, "executing program\n", 18) = 18
[pid 22337] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22337] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22337] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22337] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22337] exit_group(0)               = ?
[pid 22337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21485", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21485", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21485/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21485/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21485/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21485")                        = 0
mkdir("./21486", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22338 attached
, child_tidptr=0x55558cab0650) = 22338
[pid 22338] set_robust_list(0x55558cab0660, 24) = 0
[pid 22338] chdir("./21486")            = 0
[pid 22338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22338] setpgid(0, 0)               = 0
[pid 22338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22338] write(3, "1000", 4)         = 4
[pid 22338] close(3)                    = 0
[pid 22338] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22338] write(1, "executing program\n", 18) = 18
[pid 22338] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22338] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22338] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22338] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22338] exit_group(0)               = ?
[pid 22338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21486", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21486", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21486/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21486/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21486/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21486")                        = 0
mkdir("./21487", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22339 attached
, child_tidptr=0x55558cab0650) = 22339
[pid 22339] set_robust_list(0x55558cab0660, 24) = 0
[pid 22339] chdir("./21487")            = 0
[pid 22339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22339] setpgid(0, 0)               = 0
[pid 22339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22339] write(3, "1000", 4)         = 4
[pid 22339] close(3)                    = 0
[pid 22339] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22339] write(1, "executing program\n", 18) = 18
[pid 22339] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22339] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22339] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22339] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22339] exit_group(0)               = ?
[pid 22339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21487", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21487", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21487/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21487/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21487/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21487")                        = 0
mkdir("./21488", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22340 attached
, child_tidptr=0x55558cab0650) = 22340
[pid 22340] set_robust_list(0x55558cab0660, 24) = 0
[pid 22340] chdir("./21488")            = 0
[pid 22340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22340] setpgid(0, 0)               = 0
[pid 22340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22340] write(3, "1000", 4)         = 4
[pid 22340] close(3)                    = 0
[pid 22340] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22340] write(1, "executing program\n", 18) = 18
[pid 22340] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22340] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22340] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22340] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22340] exit_group(0)               = ?
[pid 22340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21488", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21488", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21488/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21488/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21488/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21488")                        = 0
mkdir("./21489", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22341
./strace-static-x86_64: Process 22341 attached
[pid 22341] set_robust_list(0x55558cab0660, 24) = 0
[pid 22341] chdir("./21489")            = 0
[pid 22341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22341] setpgid(0, 0)               = 0
[pid 22341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22341] write(3, "1000", 4)         = 4
[pid 22341] close(3)                    = 0
[pid 22341] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22341] write(1, "executing program\n", 18executing program
) = 18
[pid 22341] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22341] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22341] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22341] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22341] exit_group(0)               = ?
[pid 22341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21489", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21489", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21489/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21489/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21489/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21489")                        = 0
mkdir("./21490", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22342
./strace-static-x86_64: Process 22342 attached
[pid 22342] set_robust_list(0x55558cab0660, 24) = 0
[pid 22342] chdir("./21490")            = 0
[pid 22342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22342] setpgid(0, 0)               = 0
[pid 22342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22342] write(3, "1000", 4)         = 4
[pid 22342] close(3)                    = 0
[pid 22342] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22342] write(1, "executing program\n", 18) = 18
[pid 22342] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22342] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22342] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22342] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22342] exit_group(0)               = ?
[pid 22342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21490", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21490", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21490/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21490/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21490/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21490")                        = 0
mkdir("./21491", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22343
./strace-static-x86_64: Process 22343 attached
[pid 22343] set_robust_list(0x55558cab0660, 24) = 0
[pid 22343] chdir("./21491")            = 0
[pid 22343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22343] setpgid(0, 0)               = 0
[pid 22343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22343] write(3, "1000", 4)         = 4
[pid 22343] close(3)                    = 0
[pid 22343] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22343] write(1, "executing program\n", 18) = 18
[pid 22343] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22343] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22343] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22343] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22343] exit_group(0)               = ?
[pid 22343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21491", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21491", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21491/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21491/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21491/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21491")                        = 0
mkdir("./21492", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22344
./strace-static-x86_64: Process 22344 attached
[pid 22344] set_robust_list(0x55558cab0660, 24) = 0
[pid 22344] chdir("./21492")            = 0
[pid 22344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22344] setpgid(0, 0)               = 0
[pid 22344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22344] write(3, "1000", 4)         = 4
[pid 22344] close(3)                    = 0
[pid 22344] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22344] write(1, "executing program\n", 18executing program
) = 18
[pid 22344] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22344] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22344] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22344] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22344] exit_group(0)               = ?
[pid 22344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21492", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21492", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21492/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21492/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21492/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21492")                        = 0
mkdir("./21493", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22345
./strace-static-x86_64: Process 22345 attached
[pid 22345] set_robust_list(0x55558cab0660, 24) = 0
[pid 22345] chdir("./21493")            = 0
[pid 22345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22345] setpgid(0, 0)               = 0
[pid 22345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22345] write(3, "1000", 4)         = 4
[pid 22345] close(3)                    = 0
[pid 22345] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22345] write(1, "executing program\n", 18executing program
) = 18
[pid 22345] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22345] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22345] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22345] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22345] exit_group(0)               = ?
[pid 22345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21493", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21493", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21493/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21493/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21493/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21493")                        = 0
mkdir("./21494", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22346 attached
, child_tidptr=0x55558cab0650) = 22346
[pid 22346] set_robust_list(0x55558cab0660, 24) = 0
[pid 22346] chdir("./21494")            = 0
[pid 22346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22346] setpgid(0, 0)               = 0
[pid 22346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22346] write(3, "1000", 4)         = 4
[pid 22346] close(3)                    = 0
[pid 22346] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22346] write(1, "executing program\n", 18) = 18
[pid 22346] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22346] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22346] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22346] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22346] exit_group(0)               = ?
[pid 22346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21494", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21494", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21494/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21494/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21494/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21494")                        = 0
mkdir("./21495", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22347 attached
, child_tidptr=0x55558cab0650) = 22347
[pid 22347] set_robust_list(0x55558cab0660, 24) = 0
[pid 22347] chdir("./21495")            = 0
[pid 22347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22347] setpgid(0, 0)               = 0
[pid 22347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22347] write(3, "1000", 4)         = 4
[pid 22347] close(3)                    = 0
[pid 22347] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22347] write(1, "executing program\n", 18) = 18
[pid 22347] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22347] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22347] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22347] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22347] exit_group(0)               = ?
[pid 22347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21495", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21495", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21495/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21495/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21495/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21495")                        = 0
mkdir("./21496", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22348
./strace-static-x86_64: Process 22348 attached
[pid 22348] set_robust_list(0x55558cab0660, 24) = 0
[pid 22348] chdir("./21496")            = 0
[pid 22348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22348] setpgid(0, 0)               = 0
[pid 22348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22348] write(3, "1000", 4)         = 4
[pid 22348] close(3)                    = 0
[pid 22348] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22348] write(1, "executing program\n", 18) = 18
[pid 22348] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22348] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22348] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22348] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22348] exit_group(0)               = ?
[pid 22348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21496", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21496", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21496/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21496/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21496/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21496")                        = 0
mkdir("./21497", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22349 attached
, child_tidptr=0x55558cab0650) = 22349
[pid 22349] set_robust_list(0x55558cab0660, 24) = 0
[pid 22349] chdir("./21497")            = 0
[pid 22349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22349] setpgid(0, 0)               = 0
[pid 22349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22349] write(3, "1000", 4)         = 4
[pid 22349] close(3)                    = 0
[pid 22349] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22349] write(1, "executing program\n", 18) = 18
[pid 22349] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22349] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22349] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22349] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22349] exit_group(0)               = ?
[pid 22349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21497", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21497", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21497/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21497/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21497/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21497")                        = 0
mkdir("./21498", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22350 attached
, child_tidptr=0x55558cab0650) = 22350
[pid 22350] set_robust_list(0x55558cab0660, 24) = 0
[pid 22350] chdir("./21498")            = 0
[pid 22350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22350] setpgid(0, 0)               = 0
[pid 22350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22350] write(3, "1000", 4)         = 4
[pid 22350] close(3)                    = 0
[pid 22350] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22350] write(1, "executing program\n", 18) = 18
[pid 22350] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22350] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22350] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22350] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22350] exit_group(0)               = ?
[pid 22350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21498", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21498", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21498/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21498/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21498/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21498")                        = 0
mkdir("./21499", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22351
./strace-static-x86_64: Process 22351 attached
[pid 22351] set_robust_list(0x55558cab0660, 24) = 0
[pid 22351] chdir("./21499")            = 0
[pid 22351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22351] setpgid(0, 0)               = 0
[pid 22351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22351] write(3, "1000", 4)         = 4
[pid 22351] close(3)                    = 0
[pid 22351] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22351] write(1, "executing program\n", 18) = 18
[pid 22351] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22351] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22351] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22351] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22351] exit_group(0)               = ?
[pid 22351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21499", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21499", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21499/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21499/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21499/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21499")                        = 0
mkdir("./21500", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22352
./strace-static-x86_64: Process 22352 attached
[pid 22352] set_robust_list(0x55558cab0660, 24) = 0
[pid 22352] chdir("./21500")            = 0
[pid 22352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22352] setpgid(0, 0)               = 0
[pid 22352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22352] write(3, "1000", 4)         = 4
[pid 22352] close(3)                    = 0
[pid 22352] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22352] write(1, "executing program\n", 18) = 18
[pid 22352] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22352] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22352] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22352] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22352] exit_group(0)               = ?
[pid 22352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21500", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21500", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21500/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21500/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21500/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21500")                        = 0
mkdir("./21501", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22353 attached
, child_tidptr=0x55558cab0650) = 22353
[pid 22353] set_robust_list(0x55558cab0660, 24) = 0
[pid 22353] chdir("./21501")            = 0
[pid 22353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22353] setpgid(0, 0)               = 0
[pid 22353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22353] write(3, "1000", 4)         = 4
[pid 22353] close(3)                    = 0
[pid 22353] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22353] write(1, "executing program\n", 18) = 18
[pid 22353] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22353] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22353] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22353] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22353] exit_group(0)               = ?
[pid 22353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21501", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21501", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21501/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21501/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21501/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21501")                        = 0
mkdir("./21502", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22354 attached
, child_tidptr=0x55558cab0650) = 22354
[pid 22354] set_robust_list(0x55558cab0660, 24) = 0
[pid 22354] chdir("./21502")            = 0
[pid 22354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22354] setpgid(0, 0)               = 0
[pid 22354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22354] write(3, "1000", 4)         = 4
[pid 22354] close(3)                    = 0
[pid 22354] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22354] write(1, "executing program\n", 18) = 18
[pid 22354] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22354] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22354] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22354] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22354] exit_group(0)               = ?
[pid 22354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21502", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21502", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21502/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21502/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21502/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21502")                        = 0
mkdir("./21503", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22355 attached
, child_tidptr=0x55558cab0650) = 22355
[pid 22355] set_robust_list(0x55558cab0660, 24) = 0
[pid 22355] chdir("./21503")            = 0
[pid 22355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22355] setpgid(0, 0)               = 0
[pid 22355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22355] write(3, "1000", 4)         = 4
[pid 22355] close(3)                    = 0
[pid 22355] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22355] write(1, "executing program\n", 18) = 18
[pid 22355] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22355] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22355] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22355] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22355] exit_group(0)               = ?
[pid 22355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21503", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21503", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21503/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21503/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21503/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21503")                        = 0
mkdir("./21504", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22356 attached
, child_tidptr=0x55558cab0650) = 22356
[pid 22356] set_robust_list(0x55558cab0660, 24) = 0
[pid 22356] chdir("./21504")            = 0
[pid 22356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22356] setpgid(0, 0)               = 0
[pid 22356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22356] write(3, "1000", 4)         = 4
[pid 22356] close(3)                    = 0
[pid 22356] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22356] write(1, "executing program\n", 18executing program
) = 18
[pid 22356] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22356] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22356] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22356] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22356] exit_group(0)               = ?
[pid 22356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21504", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21504", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21504/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21504/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21504/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21504")                        = 0
mkdir("./21505", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22357 attached
, child_tidptr=0x55558cab0650) = 22357
[pid 22357] set_robust_list(0x55558cab0660, 24) = 0
[pid 22357] chdir("./21505")            = 0
[pid 22357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22357] setpgid(0, 0)               = 0
[pid 22357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22357] write(3, "1000", 4)         = 4
[pid 22357] close(3)                    = 0
[pid 22357] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22357] write(1, "executing program\n", 18executing program
) = 18
[pid 22357] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22357] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22357] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22357] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22357] exit_group(0)               = ?
[pid 22357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21505", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21505", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21505/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21505/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21505/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21505")                        = 0
mkdir("./21506", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22358
./strace-static-x86_64: Process 22358 attached
[pid 22358] set_robust_list(0x55558cab0660, 24) = 0
[pid 22358] chdir("./21506")            = 0
[pid 22358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22358] setpgid(0, 0)               = 0
[pid 22358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22358] write(3, "1000", 4)         = 4
[pid 22358] close(3)                    = 0
[pid 22358] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22358] write(1, "executing program\n", 18) = 18
[pid 22358] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22358] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22358] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22358] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22358] exit_group(0)               = ?
[pid 22358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21506", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21506", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21506/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21506/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21506/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21506")                        = 0
mkdir("./21507", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22359 attached
 <unfinished ...>
[pid 22359] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22359
[pid 22359] chdir("./21507")            = 0
[pid 22359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22359] setpgid(0, 0)               = 0
[pid 22359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22359] write(3, "1000", 4)         = 4
[pid 22359] close(3)                    = 0
[pid 22359] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22359] write(1, "executing program\n", 18executing program
) = 18
[pid 22359] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22359] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22359] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22359] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22359] exit_group(0)               = ?
[pid 22359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21507", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21507", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21507/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21507/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21507/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21507")                        = 0
mkdir("./21508", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22360 attached
, child_tidptr=0x55558cab0650) = 22360
[pid 22360] set_robust_list(0x55558cab0660, 24) = 0
[pid 22360] chdir("./21508")            = 0
[pid 22360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22360] setpgid(0, 0)               = 0
[pid 22360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22360] write(3, "1000", 4)         = 4
[pid 22360] close(3)                    = 0
[pid 22360] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22360] write(1, "executing program\n", 18) = 18
[pid 22360] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22360] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22360] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22360] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22360] exit_group(0)               = ?
[pid 22360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21508", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21508", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21508/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21508/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21508/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21508")                        = 0
mkdir("./21509", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22361
./strace-static-x86_64: Process 22361 attached
[pid 22361] set_robust_list(0x55558cab0660, 24) = 0
[pid 22361] chdir("./21509")            = 0
[pid 22361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22361] setpgid(0, 0)               = 0
[pid 22361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22361] write(3, "1000", 4)         = 4
[pid 22361] close(3)                    = 0
[pid 22361] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22361] write(1, "executing program\n", 18) = 18
[pid 22361] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22361] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22361] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22361] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22361] exit_group(0)               = ?
[pid 22361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21509", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21509", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21509/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21509/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21509/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21509")                        = 0
mkdir("./21510", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22362
./strace-static-x86_64: Process 22362 attached
[pid 22362] set_robust_list(0x55558cab0660, 24) = 0
[pid 22362] chdir("./21510")            = 0
[pid 22362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22362] setpgid(0, 0)               = 0
[pid 22362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22362] write(3, "1000", 4)         = 4
[pid 22362] close(3)                    = 0
[pid 22362] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22362] write(1, "executing program\n", 18) = 18
[pid 22362] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22362] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22362] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22362] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22362] exit_group(0)               = ?
[pid 22362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21510", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21510", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21510/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21510/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21510/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21510")                        = 0
mkdir("./21511", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22363
./strace-static-x86_64: Process 22363 attached
[pid 22363] set_robust_list(0x55558cab0660, 24) = 0
[pid 22363] chdir("./21511")            = 0
[pid 22363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22363] setpgid(0, 0)               = 0
[pid 22363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22363] write(3, "1000", 4)         = 4
[pid 22363] close(3)                    = 0
[pid 22363] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22363] write(1, "executing program\n", 18executing program
) = 18
[pid 22363] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22363] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22363] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22363] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22363] exit_group(0)               = ?
[pid 22363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21511", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21511", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21511/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21511/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21511/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21511")                        = 0
mkdir("./21512", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22364
./strace-static-x86_64: Process 22364 attached
[pid 22364] set_robust_list(0x55558cab0660, 24) = 0
[pid 22364] chdir("./21512")            = 0
[pid 22364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22364] setpgid(0, 0)               = 0
[pid 22364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22364] write(3, "1000", 4)         = 4
[pid 22364] close(3)                    = 0
[pid 22364] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22364] write(1, "executing program\n", 18) = 18
[pid 22364] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22364] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22364] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22364] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22364] exit_group(0)               = ?
[pid 22364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21512", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21512", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21512/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21512/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21512/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21512")                        = 0
mkdir("./21513", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22365
./strace-static-x86_64: Process 22365 attached
[pid 22365] set_robust_list(0x55558cab0660, 24) = 0
[pid 22365] chdir("./21513")            = 0
[pid 22365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22365] setpgid(0, 0)               = 0
[pid 22365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22365] write(3, "1000", 4)         = 4
[pid 22365] close(3)                    = 0
[pid 22365] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22365] write(1, "executing program\n", 18executing program
) = 18
[pid 22365] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22365] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22365] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22365] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22365] exit_group(0)               = ?
[pid 22365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21513", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21513", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21513/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21513/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21513/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21513")                        = 0
mkdir("./21514", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22366 attached
, child_tidptr=0x55558cab0650) = 22366
[pid 22366] set_robust_list(0x55558cab0660, 24) = 0
[pid 22366] chdir("./21514")            = 0
[pid 22366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22366] setpgid(0, 0)               = 0
[pid 22366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22366] write(3, "1000", 4)         = 4
[pid 22366] close(3)                    = 0
[pid 22366] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22366] write(1, "executing program\n", 18) = 18
[pid 22366] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22366] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22366] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22366] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22366] exit_group(0)               = ?
[pid 22366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21514", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21514", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21514/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21514/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21514/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21514")                        = 0
mkdir("./21515", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22367
./strace-static-x86_64: Process 22367 attached
[pid 22367] set_robust_list(0x55558cab0660, 24) = 0
[pid 22367] chdir("./21515")            = 0
[pid 22367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22367] setpgid(0, 0)               = 0
[pid 22367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22367] write(3, "1000", 4)         = 4
[pid 22367] close(3)                    = 0
[pid 22367] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22367] write(1, "executing program\n", 18) = 18
[pid 22367] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22367] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22367] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22367] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22367] exit_group(0)               = ?
[pid 22367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21515", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21515", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21515/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21515/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21515/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21515")                        = 0
mkdir("./21516", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22368
./strace-static-x86_64: Process 22368 attached
[pid 22368] set_robust_list(0x55558cab0660, 24) = 0
[pid 22368] chdir("./21516")            = 0
[pid 22368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22368] setpgid(0, 0)               = 0
[pid 22368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22368] write(3, "1000", 4)         = 4
[pid 22368] close(3)                    = 0
[pid 22368] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22368] write(1, "executing program\n", 18) = 18
[pid 22368] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22368] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22368] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22368] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22368] exit_group(0)               = ?
[pid 22368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21516", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21516", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21516/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21516/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21516/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21516")                        = 0
mkdir("./21517", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22369
./strace-static-x86_64: Process 22369 attached
[pid 22369] set_robust_list(0x55558cab0660, 24) = 0
[pid 22369] chdir("./21517")            = 0
[pid 22369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22369] setpgid(0, 0)               = 0
[pid 22369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22369] write(3, "1000", 4)         = 4
[pid 22369] close(3)                    = 0
[pid 22369] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22369] write(1, "executing program\n", 18) = 18
[pid 22369] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22369] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22369] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22369] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22369] exit_group(0)               = ?
[pid 22369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21517", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21517", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21517/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21517/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21517/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21517")                        = 0
mkdir("./21518", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22370 attached
, child_tidptr=0x55558cab0650) = 22370
[pid 22370] set_robust_list(0x55558cab0660, 24) = 0
[pid 22370] chdir("./21518")            = 0
[pid 22370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22370] setpgid(0, 0)               = 0
[pid 22370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22370] write(3, "1000", 4)         = 4
[pid 22370] close(3)                    = 0
[pid 22370] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22370] write(1, "executing program\n", 18) = 18
[pid 22370] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22370] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22370] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22370] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22370] exit_group(0)               = ?
[pid 22370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21518", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21518", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21518/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21518/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21518/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21518")                        = 0
mkdir("./21519", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22371
./strace-static-x86_64: Process 22371 attached
[pid 22371] set_robust_list(0x55558cab0660, 24) = 0
[pid 22371] chdir("./21519")            = 0
[pid 22371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22371] setpgid(0, 0)               = 0
[pid 22371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22371] write(3, "1000", 4)         = 4
[pid 22371] close(3)                    = 0
[pid 22371] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22371] write(1, "executing program\n", 18) = 18
[pid 22371] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22371] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22371] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22371] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22371] exit_group(0)               = ?
[pid 22371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21519", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21519", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21519/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21519/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21519/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21519")                        = 0
mkdir("./21520", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22372 attached
, child_tidptr=0x55558cab0650) = 22372
[pid 22372] set_robust_list(0x55558cab0660, 24) = 0
[pid 22372] chdir("./21520")            = 0
[pid 22372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22372] setpgid(0, 0)               = 0
[pid 22372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22372] write(3, "1000", 4)         = 4
[pid 22372] close(3)                    = 0
[pid 22372] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22372] write(1, "executing program\n", 18) = 18
[pid 22372] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22372] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22372] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22372] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22372] exit_group(0)               = ?
[pid 22372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21520", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21520", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21520/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21520/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21520/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21520")                        = 0
mkdir("./21521", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22373
./strace-static-x86_64: Process 22373 attached
[pid 22373] set_robust_list(0x55558cab0660, 24) = 0
[pid 22373] chdir("./21521")            = 0
[pid 22373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22373] setpgid(0, 0)               = 0
[pid 22373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22373] write(3, "1000", 4)         = 4
[pid 22373] close(3)                    = 0
[pid 22373] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22373] write(1, "executing program\n", 18executing program
) = 18
[pid 22373] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22373] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22373] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22373] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22373] exit_group(0)               = ?
[pid 22373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21521", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21521", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21521/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21521/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21521/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21521")                        = 0
mkdir("./21522", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22374 attached
, child_tidptr=0x55558cab0650) = 22374
[pid 22374] set_robust_list(0x55558cab0660, 24) = 0
[pid 22374] chdir("./21522")            = 0
[pid 22374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22374] setpgid(0, 0)               = 0
[pid 22374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22374] write(3, "1000", 4)         = 4
[pid 22374] close(3)                    = 0
[pid 22374] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22374] write(1, "executing program\n", 18) = 18
[pid 22374] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22374] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22374] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22374] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22374] exit_group(0)               = ?
[pid 22374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21522", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21522", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21522/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21522/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21522/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21522")                        = 0
mkdir("./21523", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22375
./strace-static-x86_64: Process 22375 attached
[pid 22375] set_robust_list(0x55558cab0660, 24) = 0
[pid 22375] chdir("./21523")            = 0
[pid 22375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22375] setpgid(0, 0)               = 0
[pid 22375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22375] write(3, "1000", 4)         = 4
[pid 22375] close(3)                    = 0
[pid 22375] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22375] write(1, "executing program\n", 18) = 18
[pid 22375] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22375] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22375] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22375] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22375] exit_group(0)               = ?
[pid 22375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21523", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21523", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21523/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21523/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21523/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21523")                        = 0
mkdir("./21524", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22376
./strace-static-x86_64: Process 22376 attached
[pid 22376] set_robust_list(0x55558cab0660, 24) = 0
[pid 22376] chdir("./21524")            = 0
[pid 22376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22376] setpgid(0, 0)               = 0
[pid 22376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22376] write(3, "1000", 4)         = 4
[pid 22376] close(3)                    = 0
[pid 22376] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22376] write(1, "executing program\n", 18) = 18
[pid 22376] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22376] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22376] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22376] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22376] exit_group(0)               = ?
[pid 22376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21524", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21524", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21524/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21524/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21524/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21524")                        = 0
mkdir("./21525", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22377
./strace-static-x86_64: Process 22377 attached
[pid 22377] set_robust_list(0x55558cab0660, 24) = 0
[pid 22377] chdir("./21525")            = 0
[pid 22377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22377] setpgid(0, 0)               = 0
[pid 22377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22377] write(3, "1000", 4)         = 4
[pid 22377] close(3)                    = 0
[pid 22377] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22377] write(1, "executing program\n", 18) = 18
[pid 22377] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22377] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22377] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22377] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22377] exit_group(0)               = ?
[pid 22377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21525", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21525", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21525/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21525/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21525/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21525")                        = 0
mkdir("./21526", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22378 attached
, child_tidptr=0x55558cab0650) = 22378
[pid 22378] set_robust_list(0x55558cab0660, 24) = 0
[pid 22378] chdir("./21526")            = 0
[pid 22378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22378] setpgid(0, 0)               = 0
[pid 22378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22378] write(3, "1000", 4)         = 4
[pid 22378] close(3)                    = 0
[pid 22378] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22378] write(1, "executing program\n", 18executing program
) = 18
[pid 22378] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22378] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22378] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22378] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22378] exit_group(0)               = ?
[pid 22378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21526", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21526", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21526/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21526/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21526/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21526")                        = 0
mkdir("./21527", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22379 attached
, child_tidptr=0x55558cab0650) = 22379
[pid 22379] set_robust_list(0x55558cab0660, 24) = 0
[pid 22379] chdir("./21527")            = 0
[pid 22379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22379] setpgid(0, 0)               = 0
[pid 22379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22379] write(3, "1000", 4)         = 4
[pid 22379] close(3)                    = 0
[pid 22379] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22379] write(1, "executing program\n", 18) = 18
[pid 22379] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22379] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22379] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22379] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22379] exit_group(0)               = ?
[pid 22379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21527", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21527", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21527/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21527/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21527/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21527")                        = 0
mkdir("./21528", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22380
./strace-static-x86_64: Process 22380 attached
[pid 22380] set_robust_list(0x55558cab0660, 24) = 0
[pid 22380] chdir("./21528")            = 0
[pid 22380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22380] setpgid(0, 0)               = 0
[pid 22380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22380] write(3, "1000", 4)         = 4
[pid 22380] close(3)                    = 0
[pid 22380] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22380] write(1, "executing program\n", 18executing program
) = 18
[pid 22380] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22380] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22380] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22380] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22380] exit_group(0)               = ?
[pid 22380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21528", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21528", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21528/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21528/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21528/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21528")                        = 0
mkdir("./21529", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22381
./strace-static-x86_64: Process 22381 attached
[pid 22381] set_robust_list(0x55558cab0660, 24) = 0
[pid 22381] chdir("./21529")            = 0
[pid 22381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22381] setpgid(0, 0)               = 0
[pid 22381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22381] write(3, "1000", 4)         = 4
[pid 22381] close(3)                    = 0
[pid 22381] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22381] write(1, "executing program\n", 18) = 18
[pid 22381] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22381] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22381] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22381] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22381] exit_group(0)               = ?
[pid 22381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21529", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21529", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21529/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21529/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21529/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21529")                        = 0
mkdir("./21530", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22382
./strace-static-x86_64: Process 22382 attached
[pid 22382] set_robust_list(0x55558cab0660, 24) = 0
[pid 22382] chdir("./21530")            = 0
[pid 22382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22382] setpgid(0, 0)               = 0
[pid 22382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22382] write(3, "1000", 4)         = 4
[pid 22382] close(3)                    = 0
executing program
[pid 22382] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22382] write(1, "executing program\n", 18) = 18
[pid 22382] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22382] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22382] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22382] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22382] exit_group(0)               = ?
[pid 22382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21530", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21530", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21530/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21530/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21530/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21530")                        = 0
mkdir("./21531", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22383
./strace-static-x86_64: Process 22383 attached
[pid 22383] set_robust_list(0x55558cab0660, 24) = 0
[pid 22383] chdir("./21531")            = 0
[pid 22383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22383] setpgid(0, 0)               = 0
[pid 22383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22383] write(3, "1000", 4)         = 4
[pid 22383] close(3)                    = 0
[pid 22383] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22383] write(1, "executing program\n", 18executing program
) = 18
[pid 22383] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22383] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22383] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22383] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22383] exit_group(0)               = ?
[pid 22383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21531", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21531", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21531/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21531/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21531/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21531")                        = 0
mkdir("./21532", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22384
./strace-static-x86_64: Process 22384 attached
[pid 22384] set_robust_list(0x55558cab0660, 24) = 0
[pid 22384] chdir("./21532")            = 0
[pid 22384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22384] setpgid(0, 0)               = 0
[pid 22384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22384] write(3, "1000", 4)         = 4
[pid 22384] close(3)                    = 0
[pid 22384] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22384] write(1, "executing program\n", 18) = 18
[pid 22384] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22384] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22384] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22384] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22384] exit_group(0)               = ?
[pid 22384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21532", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21532", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21532/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21532/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21532/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21532")                        = 0
mkdir("./21533", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22385
./strace-static-x86_64: Process 22385 attached
[pid 22385] set_robust_list(0x55558cab0660, 24) = 0
[pid 22385] chdir("./21533")            = 0
[pid 22385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22385] setpgid(0, 0)               = 0
[pid 22385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22385] write(3, "1000", 4)         = 4
[pid 22385] close(3)                    = 0
[pid 22385] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22385] write(1, "executing program\n", 18) = 18
[pid 22385] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22385] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22385] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22385] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22385] exit_group(0)               = ?
[pid 22385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21533", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21533", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21533/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21533/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21533/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21533")                        = 0
mkdir("./21534", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22386 attached
 <unfinished ...>
[pid 22386] set_robust_list(0x55558cab0660, 24) = 0
[pid 22386] chdir("./21534" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22386
[pid 22386] <... chdir resumed>)        = 0
[pid 22386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22386] setpgid(0, 0)               = 0
[pid 22386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22386] write(3, "1000", 4)         = 4
[pid 22386] close(3)                    = 0
[pid 22386] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22386] write(1, "executing program\n", 18) = 18
[pid 22386] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22386] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22386] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22386] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22386] exit_group(0)               = ?
[pid 22386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21534", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21534", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21534/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21534/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21534/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21534")                        = 0
mkdir("./21535", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22387 attached
 <unfinished ...>
[pid 22387] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22387
[pid 22387] chdir("./21535")            = 0
[pid 22387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22387] setpgid(0, 0)               = 0
[pid 22387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22387] write(3, "1000", 4)         = 4
[pid 22387] close(3)                    = 0
[pid 22387] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22387] write(1, "executing program\n", 18) = 18
[pid 22387] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22387] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22387] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22387] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22387] exit_group(0)               = ?
[pid 22387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21535", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21535", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21535/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21535/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21535/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21535")                        = 0
mkdir("./21536", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22389 attached
, child_tidptr=0x55558cab0650) = 22389
[pid 22389] set_robust_list(0x55558cab0660, 24) = 0
[pid 22389] chdir("./21536")            = 0
[pid 22389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22389] setpgid(0, 0)               = 0
[pid 22389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22389] write(3, "1000", 4)         = 4
[pid 22389] close(3)                    = 0
[pid 22389] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22389] write(1, "executing program\n", 18) = 18
[pid 22389] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22389] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22389] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22389] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22389] exit_group(0)               = ?
[pid 22389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21536", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21536", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21536/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21536/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21536/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21536")                        = 0
mkdir("./21537", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22390 attached
, child_tidptr=0x55558cab0650) = 22390
[pid 22390] set_robust_list(0x55558cab0660, 24) = 0
[pid 22390] chdir("./21537")            = 0
[pid 22390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22390] setpgid(0, 0)               = 0
[pid 22390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22390] write(3, "1000", 4)         = 4
[pid 22390] close(3)                    = 0
[pid 22390] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22390] write(1, "executing program\n", 18) = 18
[pid 22390] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22390] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22390] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22390] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22390] exit_group(0)               = ?
[pid 22390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21537", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21537", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21537/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21537/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21537/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21537")                        = 0
mkdir("./21538", 0777executing program
)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22391 attached
, child_tidptr=0x55558cab0650) = 22391
[pid 22391] set_robust_list(0x55558cab0660, 24) = 0
[pid 22391] chdir("./21538")            = 0
[pid 22391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22391] setpgid(0, 0)               = 0
[pid 22391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22391] write(3, "1000", 4)         = 4
[pid 22391] close(3)                    = 0
[pid 22391] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22391] write(1, "executing program\n", 18) = 18
[pid 22391] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22391] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22391] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22391] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22391] exit_group(0)               = ?
[pid 22391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21538", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21538", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21538/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21538/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21538/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21538")                        = 0
mkdir("./21539", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22392 attached
, child_tidptr=0x55558cab0650) = 22392
[pid 22392] set_robust_list(0x55558cab0660, 24) = 0
[pid 22392] chdir("./21539")            = 0
[pid 22392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22392] setpgid(0, 0)               = 0
[pid 22392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22392] write(3, "1000", 4)         = 4
[pid 22392] close(3)                    = 0
[pid 22392] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22392] write(1, "executing program\n", 18executing program
) = 18
[pid 22392] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22392] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22392] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22392] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22392] exit_group(0)               = ?
[pid 22392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21539", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21539", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21539/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21539/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21539/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21539")                        = 0
mkdir("./21540", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22393 attached
 <unfinished ...>
[pid 22393] set_robust_list(0x55558cab0660, 24) = 0
[pid 22393] chdir("./21540" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22393
[pid 22393] <... chdir resumed>)        = 0
[pid 22393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22393] setpgid(0, 0)               = 0
[pid 22393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22393] write(3, "1000", 4)         = 4
[pid 22393] close(3)                    = 0
[pid 22393] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22393] write(1, "executing program\n", 18) = 18
[pid 22393] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22393] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22393] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22393] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22393] exit_group(0)               = ?
[pid 22393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21540", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21540", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21540/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21540/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21540/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21540")                        = 0
mkdir("./21541", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22394
./strace-static-x86_64: Process 22394 attached
[pid 22394] set_robust_list(0x55558cab0660, 24) = 0
[pid 22394] chdir("./21541")            = 0
[pid 22394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22394] setpgid(0, 0)               = 0
[pid 22394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22394] write(3, "1000", 4)         = 4
[pid 22394] close(3)                    = 0
[pid 22394] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22394] write(1, "executing program\n", 18) = 18
[pid 22394] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22394] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22394] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22394] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22394] exit_group(0)               = ?
[pid 22394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21541", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21541", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21541/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21541/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21541/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21541")                        = 0
mkdir("./21542", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22395 attached
, child_tidptr=0x55558cab0650) = 22395
[pid 22395] set_robust_list(0x55558cab0660, 24) = 0
[pid 22395] chdir("./21542")            = 0
[pid 22395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22395] setpgid(0, 0)               = 0
[pid 22395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22395] write(3, "1000", 4)         = 4
[pid 22395] close(3)                    = 0
[pid 22395] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22395] write(1, "executing program\n", 18) = 18
[pid 22395] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22395] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22395] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22395] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22395] exit_group(0)               = ?
[pid 22395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21542", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21542", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21542/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21542/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21542/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21542")                        = 0
mkdir("./21543", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22396
./strace-static-x86_64: Process 22396 attached
[pid 22396] set_robust_list(0x55558cab0660, 24) = 0
[pid 22396] chdir("./21543")            = 0
[pid 22396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22396] setpgid(0, 0)               = 0
[pid 22396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22396] write(3, "1000", 4)         = 4
[pid 22396] close(3)                    = 0
[pid 22396] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22396] write(1, "executing program\n", 18executing program
) = 18
[pid 22396] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22396] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22396] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22396] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22396] exit_group(0)               = ?
[pid 22396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21543", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21543", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21543/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21543/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21543/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21543")                        = 0
mkdir("./21544", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22397
./strace-static-x86_64: Process 22397 attached
[pid 22397] set_robust_list(0x55558cab0660, 24) = 0
[pid 22397] chdir("./21544")            = 0
[pid 22397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22397] setpgid(0, 0)               = 0
[pid 22397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22397] write(3, "1000", 4)         = 4
[pid 22397] close(3)                    = 0
[pid 22397] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22397] write(1, "executing program\n", 18) = 18
[pid 22397] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22397] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22397] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22397] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22397] exit_group(0)               = ?
[pid 22397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21544", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21544", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21544/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21544/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21544/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21544")                        = 0
mkdir("./21545", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22398
./strace-static-x86_64: Process 22398 attached
[pid 22398] set_robust_list(0x55558cab0660, 24) = 0
[pid 22398] chdir("./21545")            = 0
[pid 22398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22398] setpgid(0, 0)               = 0
[pid 22398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22398] write(3, "1000", 4)         = 4
[pid 22398] close(3)                    = 0
[pid 22398] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22398] write(1, "executing program\n", 18executing program
) = 18
[pid 22398] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22398] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22398] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22398] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22398] exit_group(0)               = ?
[pid 22398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21545", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21545", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21545/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21545/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21545/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21545")                        = 0
mkdir("./21546", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22399 attached
, child_tidptr=0x55558cab0650) = 22399
[pid 22399] set_robust_list(0x55558cab0660, 24) = 0
[pid 22399] chdir("./21546")            = 0
[pid 22399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22399] setpgid(0, 0)               = 0
[pid 22399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22399] write(3, "1000", 4)         = 4
[pid 22399] close(3)                    = 0
[pid 22399] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22399] write(1, "executing program\n", 18) = 18
[pid 22399] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22399] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22399] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22399] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22399] exit_group(0)               = ?
[pid 22399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21546", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21546", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21546/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21546/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21546/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21546")                        = 0
mkdir("./21547", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22400 attached
, child_tidptr=0x55558cab0650) = 22400
[pid 22400] set_robust_list(0x55558cab0660, 24) = 0
[pid 22400] chdir("./21547")            = 0
[pid 22400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22400] setpgid(0, 0)               = 0
[pid 22400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22400] write(3, "1000", 4)         = 4
[pid 22400] close(3)                    = 0
[pid 22400] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22400] write(1, "executing program\n", 18executing program
) = 18
[pid 22400] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22400] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22400] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22400] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22400] exit_group(0)               = ?
[pid 22400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21547", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21547", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21547/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21547/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21547/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21547")                        = 0
mkdir("./21548", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22401 attached
, child_tidptr=0x55558cab0650) = 22401
[pid 22401] set_robust_list(0x55558cab0660, 24) = 0
[pid 22401] chdir("./21548")            = 0
[pid 22401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22401] setpgid(0, 0)               = 0
[pid 22401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22401] write(3, "1000", 4)         = 4
[pid 22401] close(3)                    = 0
[pid 22401] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22401] write(1, "executing program\n", 18executing program
) = 18
[pid 22401] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22401] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22401] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22401] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22401] exit_group(0)               = ?
[pid 22401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21548", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21548", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21548/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21548/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21548/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21548")                        = 0
mkdir("./21549", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x55558cab0650) = 22402
./strace-static-x86_64: Process 22402 attached
[pid 22402] set_robust_list(0x55558cab0660, 24) = 0
[pid 22402] chdir("./21549")            = 0
[pid 22402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22402] setpgid(0, 0)               = 0
[pid 22402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22402] write(3, "1000", 4)         = 4
[pid 22402] close(3)                    = 0
[pid 22402] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22402] write(1, "executing program\n", 18) = 18
[pid 22402] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22402] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22402] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22402] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22402] exit_group(0)               = ?
[pid 22402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21549", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21549", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21549/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21549/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21549/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21549")                        = 0
mkdir("./21550", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22403 attached
, child_tidptr=0x55558cab0650) = 22403
[pid 22403] set_robust_list(0x55558cab0660, 24) = 0
[pid 22403] chdir("./21550")            = 0
[pid 22403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22403] setpgid(0, 0)               = 0
[pid 22403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22403] write(3, "1000", 4)         = 4
[pid 22403] close(3)                    = 0
[pid 22403] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22403] write(1, "executing program\n", 18executing program
) = 18
[pid 22403] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22403] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22403] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22403] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22403] exit_group(0)               = ?
[pid 22403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21550", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21550", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21550/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21550/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21550/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21550")                        = 0
mkdir("./21551", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22404
./strace-static-x86_64: Process 22404 attached
[pid 22404] set_robust_list(0x55558cab0660, 24) = 0
[pid 22404] chdir("./21551")            = 0
[pid 22404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22404] setpgid(0, 0)               = 0
[pid 22404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22404] write(3, "1000", 4)         = 4
[pid 22404] close(3)                    = 0
[pid 22404] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22404] write(1, "executing program\n", 18executing program
) = 18
[pid 22404] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22404] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22404] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22404] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22404] exit_group(0)               = ?
[pid 22404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21551", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21551", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21551/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21551/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21551/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21551")                        = 0
mkdir("./21552", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22405 attached
, child_tidptr=0x55558cab0650) = 22405
[pid 22405] set_robust_list(0x55558cab0660, 24) = 0
[pid 22405] chdir("./21552")            = 0
[pid 22405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22405] setpgid(0, 0)               = 0
[pid 22405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22405] write(3, "1000", 4)         = 4
[pid 22405] close(3)                    = 0
[pid 22405] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22405] write(1, "executing program\n", 18executing program
) = 18
[pid 22405] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22405] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22405] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22405] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22405] exit_group(0)               = ?
[pid 22405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21552", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21552", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21552/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21552/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21552/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21552")                        = 0
mkdir("./21553", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22406 attached
, child_tidptr=0x55558cab0650) = 22406
[pid 22406] set_robust_list(0x55558cab0660, 24) = 0
[pid 22406] chdir("./21553")            = 0
[pid 22406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22406] setpgid(0, 0)               = 0
[pid 22406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22406] write(3, "1000", 4)         = 4
[pid 22406] close(3)                    = 0
[pid 22406] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22406] write(1, "executing program\n", 18executing program
) = 18
[pid 22406] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22406] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22406] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22406] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22406] exit_group(0)               = ?
[pid 22406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21553", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21553", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21553/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21553/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21553/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21553")                        = 0
mkdir("./21554", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22407
./strace-static-x86_64: Process 22407 attached
[pid 22407] set_robust_list(0x55558cab0660, 24) = 0
[pid 22407] chdir("./21554")            = 0
[pid 22407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22407] setpgid(0, 0)               = 0
[pid 22407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22407] write(3, "1000", 4)         = 4
[pid 22407] close(3)                    = 0
[pid 22407] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22407] write(1, "executing program\n", 18executing program
) = 18
[pid 22407] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22407] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22407] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22407] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22407] exit_group(0)               = ?
[pid 22407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21554", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21554", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21554/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21554/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21554/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21554")                        = 0
mkdir("./21555", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22408
./strace-static-x86_64: Process 22408 attached
[pid 22408] set_robust_list(0x55558cab0660, 24) = 0
[pid 22408] chdir("./21555")            = 0
[pid 22408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22408] setpgid(0, 0)               = 0
[pid 22408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22408] write(3, "1000", 4)         = 4
[pid 22408] close(3)                    = 0
[pid 22408] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22408] write(1, "executing program\n", 18) = 18
[pid 22408] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22408] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22408] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22408] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22408] exit_group(0)               = ?
[pid 22408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21555", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21555", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21555/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21555/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21555/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21555")                        = 0
mkdir("./21556", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22409 attached
, child_tidptr=0x55558cab0650) = 22409
[pid 22409] set_robust_list(0x55558cab0660, 24) = 0
[pid 22409] chdir("./21556")            = 0
[pid 22409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22409] setpgid(0, 0)               = 0
[pid 22409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22409] write(3, "1000", 4)         = 4
[pid 22409] close(3)                    = 0
[pid 22409] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22409] write(1, "executing program\n", 18) = 18
[pid 22409] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22409] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22409] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22409] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22409] exit_group(0)               = ?
[pid 22409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21556", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21556", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21556/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21556/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21556/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21556")                        = 0
mkdir("./21557", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22410
./strace-static-x86_64: Process 22410 attached
[pid 22410] set_robust_list(0x55558cab0660, 24) = 0
[pid 22410] chdir("./21557")            = 0
[pid 22410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22410] setpgid(0, 0)               = 0
[pid 22410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22410] write(3, "1000", 4)         = 4
[pid 22410] close(3)                    = 0
[pid 22410] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22410] write(1, "executing program\n", 18) = 18
[pid 22410] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22410] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22410] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22410] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22410] exit_group(0)               = ?
[pid 22410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21557", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21557", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21557/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21557/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21557/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21557")                        = 0
mkdir("./21558", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22411 attached
, child_tidptr=0x55558cab0650) = 22411
[pid 22411] set_robust_list(0x55558cab0660, 24) = 0
[pid 22411] chdir("./21558")            = 0
[pid 22411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22411] setpgid(0, 0)               = 0
[pid 22411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22411] write(3, "1000", 4)         = 4
[pid 22411] close(3)                    = 0
[pid 22411] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22411] write(1, "executing program\n", 18) = 18
[pid 22411] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22411] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22411] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22411] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22411] exit_group(0)               = ?
[pid 22411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21558", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21558", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21558/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21558/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21558/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21558")                        = 0
mkdir("./21559", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22412
./strace-static-x86_64: Process 22412 attached
[pid 22412] set_robust_list(0x55558cab0660, 24) = 0
[pid 22412] chdir("./21559")            = 0
[pid 22412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22412] setpgid(0, 0)               = 0
[pid 22412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22412] write(3, "1000", 4)         = 4
[pid 22412] close(3)                    = 0
[pid 22412] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22412] write(1, "executing program\n", 18) = 18
[pid 22412] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22412] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22412] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22412] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22412] exit_group(0)               = ?
[pid 22412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21559", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21559", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21559/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21559/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21559/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21559")                        = 0
mkdir("./21560", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22413 attached
, child_tidptr=0x55558cab0650) = 22413
[pid 22413] set_robust_list(0x55558cab0660, 24) = 0
[pid 22413] chdir("./21560")            = 0
[pid 22413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22413] setpgid(0, 0)               = 0
[pid 22413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22413] write(3, "1000", 4)         = 4
[pid 22413] close(3)                    = 0
[pid 22413] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22413] write(1, "executing program\n", 18) = 18
[pid 22413] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22413] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22413] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22413] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22413] exit_group(0)               = ?
[pid 22413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21560", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21560", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21560/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21560/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21560/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21560")                        = 0
mkdir("./21561", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22414 attached
, child_tidptr=0x55558cab0650) = 22414
[pid 22414] set_robust_list(0x55558cab0660, 24) = 0
[pid 22414] chdir("./21561")            = 0
[pid 22414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22414] setpgid(0, 0)               = 0
[pid 22414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22414] write(3, "1000", 4)         = 4
[pid 22414] close(3)                    = 0
[pid 22414] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22414] write(1, "executing program\n", 18) = 18
[pid 22414] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
executing program
[pid 22414] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22414] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22414] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22414] exit_group(0)               = ?
[pid 22414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21561", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21561", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21561/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21561/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21561/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21561")                        = 0
mkdir("./21562", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22415
./strace-static-x86_64: Process 22415 attached
[pid 22415] set_robust_list(0x55558cab0660, 24) = 0
[pid 22415] chdir("./21562")            = 0
[pid 22415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22415] setpgid(0, 0)               = 0
[pid 22415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22415] write(3, "1000", 4)         = 4
[pid 22415] close(3)                    = 0
[pid 22415] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22415] write(1, "executing program\n", 18) = 18
[pid 22415] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22415] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22415] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22415] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22415] exit_group(0)               = ?
[pid 22415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21562", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21562", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21562/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21562/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21562/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21562")                        = 0
mkdir("./21563", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22416 attached
, child_tidptr=0x55558cab0650) = 22416
[pid 22416] set_robust_list(0x55558cab0660, 24) = 0
[pid 22416] chdir("./21563")            = 0
[pid 22416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22416] setpgid(0, 0)               = 0
[pid 22416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22416] write(3, "1000", 4)         = 4
[pid 22416] close(3)                    = 0
[pid 22416] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22416] write(1, "executing program\n", 18executing program
) = 18
[pid 22416] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22416] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22416] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22416] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22416] exit_group(0)               = ?
[pid 22416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21563", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21563", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21563/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21563/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21563/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21563")                        = 0
mkdir("./21564", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22417
./strace-static-x86_64: Process 22417 attached
[pid 22417] set_robust_list(0x55558cab0660, 24) = 0
[pid 22417] chdir("./21564")            = 0
[pid 22417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22417] setpgid(0, 0)               = 0
[pid 22417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22417] write(3, "1000", 4)         = 4
[pid 22417] close(3)                    = 0
[pid 22417] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22417] write(1, "executing program\n", 18) = 18
[pid 22417] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22417] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22417] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22417] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22417] exit_group(0)               = ?
[pid 22417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21564", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21564", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21564/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21564/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21564/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21564")                        = 0
mkdir("./21565", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22418
./strace-static-x86_64: Process 22418 attached
[pid 22418] set_robust_list(0x55558cab0660, 24) = 0
[pid 22418] chdir("./21565")            = 0
[pid 22418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22418] setpgid(0, 0)               = 0
[pid 22418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22418] write(3, "1000", 4)         = 4
[pid 22418] close(3)                    = 0
[pid 22418] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22418] write(1, "executing program\n", 18) = 18
[pid 22418] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22418] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22418] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22418] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22418] exit_group(0)               = ?
[pid 22418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21565", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21565", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21565/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21565/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21565/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21565")                        = 0
mkdir("./21566", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22419 attached
, child_tidptr=0x55558cab0650) = 22419
[pid 22419] set_robust_list(0x55558cab0660, 24) = 0
[pid 22419] chdir("./21566")            = 0
[pid 22419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22419] setpgid(0, 0)               = 0
[pid 22419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22419] write(3, "1000", 4)         = 4
[pid 22419] close(3)                    = 0
[pid 22419] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22419] write(1, "executing program\n", 18) = 18
[pid 22419] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22419] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22419] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22419] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22419] exit_group(0)               = ?
[pid 22419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21566", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21566", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21566/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21566/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21566/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21566")                        = 0
mkdir("./21567", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22420 attached
, child_tidptr=0x55558cab0650) = 22420
[pid 22420] set_robust_list(0x55558cab0660, 24) = 0
[pid 22420] chdir("./21567")            = 0
[pid 22420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22420] setpgid(0, 0)               = 0
[pid 22420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22420] write(3, "1000", 4)         = 4
[pid 22420] close(3)                    = 0
[pid 22420] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22420] write(1, "executing program\n", 18) = 18
[pid 22420] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22420] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22420] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22420] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22420] exit_group(0)               = ?
[pid 22420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21567", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21567", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21567/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21567/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21567/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21567")                        = 0
mkdir("./21568", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22421 attached
, child_tidptr=0x55558cab0650) = 22421
[pid 22421] set_robust_list(0x55558cab0660, 24) = 0
[pid 22421] chdir("./21568")            = 0
[pid 22421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22421] setpgid(0, 0)               = 0
[pid 22421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22421] write(3, "1000", 4)         = 4
[pid 22421] close(3)                    = 0
[pid 22421] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22421] write(1, "executing program\n", 18) = 18
[pid 22421] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22421] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22421] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22421] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22421] exit_group(0)               = ?
[pid 22421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21568", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21568", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21568/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21568/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21568/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21568")                        = 0
mkdir("./21569", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22422
./strace-static-x86_64: Process 22422 attached
[pid 22422] set_robust_list(0x55558cab0660, 24) = 0
[pid 22422] chdir("./21569")            = 0
[pid 22422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22422] setpgid(0, 0)               = 0
[pid 22422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22422] write(3, "1000", 4)         = 4
[pid 22422] close(3)                    = 0
[pid 22422] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22422] write(1, "executing program\n", 18) = 18
[pid 22422] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22422] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22422] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22422] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22422] exit_group(0)               = ?
[pid 22422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21569", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21569", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21569/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21569/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21569/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21569")                        = 0
mkdir("./21570", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22423
./strace-static-x86_64: Process 22423 attached
[pid 22423] set_robust_list(0x55558cab0660, 24) = 0
[pid 22423] chdir("./21570")            = 0
[pid 22423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22423] setpgid(0, 0)               = 0
[pid 22423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22423] write(3, "1000", 4)         = 4
[pid 22423] close(3)                    = 0
[pid 22423] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22423] write(1, "executing program\n", 18) = 18
[pid 22423] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22423] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22423] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22423] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22423] exit_group(0)               = ?
[pid 22423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21570", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21570", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21570/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21570/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21570/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21570")                        = 0
mkdir("./21571", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22424
./strace-static-x86_64: Process 22424 attached
[pid 22424] set_robust_list(0x55558cab0660, 24) = 0
[pid 22424] chdir("./21571")            = 0
[pid 22424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22424] setpgid(0, 0)               = 0
[pid 22424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22424] write(3, "1000", 4)         = 4
[pid 22424] close(3)                    = 0
[pid 22424] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22424] write(1, "executing program\n", 18) = 18
[pid 22424] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22424] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22424] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22424] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22424] exit_group(0)               = ?
[pid 22424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21571", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21571", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21571/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21571/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21571/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21571")                        = 0
mkdir("./21572", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22425 attached
 <unfinished ...>
[pid 22425] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22425
[pid 22425] chdir("./21572")            = 0
[pid 22425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22425] setpgid(0, 0)               = 0
[pid 22425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22425] write(3, "1000", 4)         = 4
[pid 22425] close(3)                    = 0
[pid 22425] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22425] write(1, "executing program\n", 18) = 18
[pid 22425] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22425] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22425] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22425] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22425] exit_group(0)               = ?
[pid 22425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21572", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21572", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21572/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21572/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21572/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21572")                        = 0
mkdir("./21573", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22426
./strace-static-x86_64: Process 22426 attached
[pid 22426] set_robust_list(0x55558cab0660, 24) = 0
[pid 22426] chdir("./21573")            = 0
[pid 22426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22426] setpgid(0, 0)               = 0
[pid 22426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22426] write(3, "1000", 4)         = 4
[pid 22426] close(3)                    = 0
[pid 22426] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22426] write(1, "executing program\n", 18executing program
) = 18
[pid 22426] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22426] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22426] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22426] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22426] exit_group(0)               = ?
[pid 22426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21573", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21573", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21573/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21573/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21573/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21573")                        = 0
mkdir("./21574", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22427 attached
, child_tidptr=0x55558cab0650) = 22427
[pid 22427] set_robust_list(0x55558cab0660, 24) = 0
[pid 22427] chdir("./21574")            = 0
[pid 22427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22427] setpgid(0, 0)               = 0
[pid 22427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22427] write(3, "1000", 4)         = 4
[pid 22427] close(3)                    = 0
[pid 22427] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22427] write(1, "executing program\n", 18executing program
) = 18
[pid 22427] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22427] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22427] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22427] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22427] exit_group(0)               = ?
[pid 22427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21574", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21574", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21574/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21574/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21574/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21574")                        = 0
mkdir("./21575", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22428 attached
, child_tidptr=0x55558cab0650) = 22428
[pid 22428] set_robust_list(0x55558cab0660, 24) = 0
[pid 22428] chdir("./21575")            = 0
[pid 22428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22428] setpgid(0, 0)               = 0
[pid 22428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22428] write(3, "1000", 4)         = 4
[pid 22428] close(3)                    = 0
[pid 22428] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22428] write(1, "executing program\n", 18) = 18
[pid 22428] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22428] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22428] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22428] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22428] exit_group(0)               = ?
[pid 22428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21575", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21575", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21575/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21575/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21575/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21575")                        = 0
mkdir("./21576", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22429
./strace-static-x86_64: Process 22429 attached
[pid 22429] set_robust_list(0x55558cab0660, 24) = 0
[pid 22429] chdir("./21576")            = 0
[pid 22429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22429] setpgid(0, 0)               = 0
[pid 22429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22429] write(3, "1000", 4)         = 4
[pid 22429] close(3)                    = 0
executing program
[pid 22429] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22429] write(1, "executing program\n", 18) = 18
[pid 22429] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22429] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22429] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22429] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22429] exit_group(0)               = ?
[pid 22429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21576", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21576", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21576/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21576/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21576/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21576")                        = 0
mkdir("./21577", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22430 attached
, child_tidptr=0x55558cab0650) = 22430
[pid 22430] set_robust_list(0x55558cab0660, 24) = 0
[pid 22430] chdir("./21577")            = 0
[pid 22430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22430] setpgid(0, 0)               = 0
[pid 22430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22430] write(3, "1000", 4)         = 4
[pid 22430] close(3)                    = 0
[pid 22430] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22430] write(1, "executing program\n", 18) = 18
[pid 22430] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22430] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22430] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22430] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22430] exit_group(0)               = ?
[pid 22430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21577", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21577", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21577/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21577/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21577/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21577")                        = 0
mkdir("./21578", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22431 attached
, child_tidptr=0x55558cab0650) = 22431
[pid 22431] set_robust_list(0x55558cab0660, 24) = 0
[pid 22431] chdir("./21578")            = 0
[pid 22431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22431] setpgid(0, 0)               = 0
[pid 22431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22431] write(3, "1000", 4)         = 4
[pid 22431] close(3)                    = 0
[pid 22431] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22431] write(1, "executing program\n", 18) = 18
[pid 22431] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22431] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22431] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22431] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22431] exit_group(0)               = ?
[pid 22431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21578", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21578", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21578/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21578/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21578/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21578")                        = 0
mkdir("./21579", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22432
./strace-static-x86_64: Process 22432 attached
[pid 22432] set_robust_list(0x55558cab0660, 24) = 0
[pid 22432] chdir("./21579")            = 0
[pid 22432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22432] setpgid(0, 0)               = 0
[pid 22432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22432] write(3, "1000", 4)         = 4
[pid 22432] close(3)                    = 0
[pid 22432] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22432] write(1, "executing program\n", 18executing program
) = 18
[pid 22432] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22432] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22432] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22432] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22432] exit_group(0)               = ?
[pid 22432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21579", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21579", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21579/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21579/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21579/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21579")                        = 0
mkdir("./21580", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22433
./strace-static-x86_64: Process 22433 attached
[pid 22433] set_robust_list(0x55558cab0660, 24) = 0
[pid 22433] chdir("./21580")            = 0
[pid 22433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22433] setpgid(0, 0)               = 0
[pid 22433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22433] write(3, "1000", 4)         = 4
[pid 22433] close(3)                    = 0
[pid 22433] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22433] write(1, "executing program\n", 18) = 18
[pid 22433] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22433] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22433] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22433] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22433] exit_group(0)               = ?
[pid 22433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21580", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21580", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21580/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21580/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21580/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21580")                        = 0
mkdir("./21581", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22434
./strace-static-x86_64: Process 22434 attached
[pid 22434] set_robust_list(0x55558cab0660, 24) = 0
[pid 22434] chdir("./21581")            = 0
[pid 22434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22434] setpgid(0, 0)               = 0
[pid 22434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22434] write(3, "1000", 4)         = 4
[pid 22434] close(3)                    = 0
[pid 22434] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22434] write(1, "executing program\n", 18) = 18
[pid 22434] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22434] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22434] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22434] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22434] exit_group(0)               = ?
[pid 22434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21581", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21581", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21581/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21581/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21581/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21581")                        = 0
mkdir("./21582", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22435
./strace-static-x86_64: Process 22435 attached
[pid 22435] set_robust_list(0x55558cab0660, 24) = 0
[pid 22435] chdir("./21582")            = 0
[pid 22435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22435] setpgid(0, 0)               = 0
[pid 22435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22435] write(3, "1000", 4)         = 4
[pid 22435] close(3)                    = 0
[pid 22435] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22435] write(1, "executing program\n", 18) = 18
[pid 22435] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22435] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22435] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22435] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22435] exit_group(0)               = ?
[pid 22435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21582", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21582", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21582/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21582/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21582/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21582")                        = 0
mkdir("./21583", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22436 attached
, child_tidptr=0x55558cab0650) = 22436
[pid 22436] set_robust_list(0x55558cab0660, 24) = 0
[pid 22436] chdir("./21583")            = 0
[pid 22436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22436] setpgid(0, 0)               = 0
[pid 22436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22436] write(3, "1000", 4)         = 4
[pid 22436] close(3)                    = 0
[pid 22436] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22436] write(1, "executing program\n", 18executing program
) = 18
[pid 22436] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22436] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22436] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22436] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22436] exit_group(0)               = ?
[pid 22436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21583", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21583", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21583/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21583/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21583/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21583")                        = 0
mkdir("./21584", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22437
./strace-static-x86_64: Process 22437 attached
[pid 22437] set_robust_list(0x55558cab0660, 24) = 0
[pid 22437] chdir("./21584")            = 0
[pid 22437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22437] setpgid(0, 0)               = 0
[pid 22437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22437] write(3, "1000", 4)         = 4
[pid 22437] close(3)                    = 0
[pid 22437] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22437] write(1, "executing program\n", 18) = 18
[pid 22437] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22437] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22437] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22437] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22437] exit_group(0)               = ?
[pid 22437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21584", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21584", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21584/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21584/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21584/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21584")                        = 0
mkdir("./21585", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22438 attached
, child_tidptr=0x55558cab0650) = 22438
[pid 22438] set_robust_list(0x55558cab0660, 24) = 0
[pid 22438] chdir("./21585")            = 0
[pid 22438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22438] setpgid(0, 0)               = 0
[pid 22438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22438] write(3, "1000", 4)         = 4
[pid 22438] close(3)                    = 0
[pid 22438] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22438] write(1, "executing program\n", 18) = 18
[pid 22438] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22438] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22438] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22438] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22438] exit_group(0)               = ?
[pid 22438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21585", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21585", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21585/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21585/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21585/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21585")                        = 0
mkdir("./21586", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22439 attached
, child_tidptr=0x55558cab0650) = 22439
[pid 22439] set_robust_list(0x55558cab0660, 24) = 0
[pid 22439] chdir("./21586")            = 0
[pid 22439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22439] setpgid(0, 0)               = 0
[pid 22439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22439] write(3, "1000", 4)         = 4
[pid 22439] close(3)                    = 0
[pid 22439] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22439] write(1, "executing program\n", 18) = 18
[pid 22439] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22439] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22439] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22439] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22439] exit_group(0)               = ?
[pid 22439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21586", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21586", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21586/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21586/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21586/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21586")                        = 0
mkdir("./21587", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22440 attached
, child_tidptr=0x55558cab0650) = 22440
[pid 22440] set_robust_list(0x55558cab0660, 24) = 0
[pid 22440] chdir("./21587")            = 0
[pid 22440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22440] setpgid(0, 0)               = 0
[pid 22440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22440] write(3, "1000", 4)         = 4
[pid 22440] close(3)                    = 0
[pid 22440] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22440] write(1, "executing program\n", 18) = 18
[pid 22440] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22440] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22440] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22440] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22440] exit_group(0)               = ?
[pid 22440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21587", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21587", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21587/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21587/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21587/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21587")                        = 0
mkdir("./21588", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22441 attached
 <unfinished ...>
[pid 22441] set_robust_list(0x55558cab0660, 24) = 0
[pid 22441] chdir("./21588" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22441
[pid 22441] <... chdir resumed>)        = 0
[pid 22441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22441] setpgid(0, 0)               = 0
[pid 22441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22441] write(3, "1000", 4)         = 4
[pid 22441] close(3)                    = 0
[pid 22441] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22441] write(1, "executing program\n", 18executing program
) = 18
[pid 22441] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22441] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22441] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22441] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22441] exit_group(0)               = ?
[pid 22441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21588", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21588", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21588/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21588/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21588/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21588")                        = 0
mkdir("./21589", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22442 attached
, child_tidptr=0x55558cab0650) = 22442
[pid 22442] set_robust_list(0x55558cab0660, 24) = 0
[pid 22442] chdir("./21589")            = 0
[pid 22442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22442] setpgid(0, 0)               = 0
[pid 22442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22442] write(3, "1000", 4)         = 4
[pid 22442] close(3)                    = 0
[pid 22442] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22442] write(1, "executing program\n", 18executing program
) = 18
[pid 22442] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22442] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22442] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22442] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22442] exit_group(0)               = ?
[pid 22442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21589", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21589", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21589/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21589/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21589/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21589")                        = 0
mkdir("./21590", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22443 attached
, child_tidptr=0x55558cab0650) = 22443
[pid 22443] set_robust_list(0x55558cab0660, 24) = 0
[pid 22443] chdir("./21590")            = 0
[pid 22443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22443] setpgid(0, 0)               = 0
[pid 22443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22443] write(3, "1000", 4)         = 4
[pid 22443] close(3)                    = 0
[pid 22443] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22443] write(1, "executing program\n", 18) = 18
[pid 22443] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22443] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22443] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22443] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22443] exit_group(0)               = ?
[pid 22443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21590", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21590", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21590/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21590/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21590/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21590")                        = 0
mkdir("./21591", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22444
./strace-static-x86_64: Process 22444 attached
[pid 22444] set_robust_list(0x55558cab0660, 24) = 0
[pid 22444] chdir("./21591")            = 0
[pid 22444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22444] setpgid(0, 0)               = 0
[pid 22444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22444] write(3, "1000", 4)         = 4
[pid 22444] close(3)                    = 0
[pid 22444] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22444] write(1, "executing program\n", 18) = 18
[pid 22444] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22444] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22444] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22444] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22444] exit_group(0)               = ?
[pid 22444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21591", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21591", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21591/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21591/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21591/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21591")                        = 0
mkdir("./21592", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22445 attached
, child_tidptr=0x55558cab0650) = 22445
[pid 22445] set_robust_list(0x55558cab0660, 24) = 0
[pid 22445] chdir("./21592")            = 0
[pid 22445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22445] setpgid(0, 0)               = 0
[pid 22445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22445] write(3, "1000", 4)         = 4
[pid 22445] close(3)                    = 0
[pid 22445] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22445] write(1, "executing program\n", 18) = 18
[pid 22445] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22445] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22445] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22445] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22445] exit_group(0)               = ?
[pid 22445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21592", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21592", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21592/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21592/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21592/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21592")                        = 0
mkdir("./21593", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22446 attached
, child_tidptr=0x55558cab0650) = 22446
[pid 22446] set_robust_list(0x55558cab0660, 24) = 0
[pid 22446] chdir("./21593")            = 0
[pid 22446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22446] setpgid(0, 0)               = 0
[pid 22446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22446] write(3, "1000", 4)         = 4
[pid 22446] close(3)                    = 0
[pid 22446] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22446] write(1, "executing program\n", 18executing program
) = 18
[pid 22446] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22446] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22446] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22446] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22446] exit_group(0)               = ?
[pid 22446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21593", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21593", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21593/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21593/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21593/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21593")                        = 0
mkdir("./21594", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22447 attached
, child_tidptr=0x55558cab0650) = 22447
[pid 22447] set_robust_list(0x55558cab0660, 24) = 0
[pid 22447] chdir("./21594")            = 0
[pid 22447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22447] setpgid(0, 0)               = 0
[pid 22447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22447] write(3, "1000", 4)         = 4
[pid 22447] close(3)                    = 0
[pid 22447] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22447] write(1, "executing program\n", 18executing program
) = 18
[pid 22447] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22447] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22447] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22447] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22447] exit_group(0)               = ?
[pid 22447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21594", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21594", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21594/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21594/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21594/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21594")                        = 0
mkdir("./21595", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22448 attached
, child_tidptr=0x55558cab0650) = 22448
[pid 22448] set_robust_list(0x55558cab0660, 24) = 0
[pid 22448] chdir("./21595")            = 0
[pid 22448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22448] setpgid(0, 0)               = 0
[pid 22448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22448] write(3, "1000", 4)         = 4
[pid 22448] close(3)                    = 0
[pid 22448] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22448] write(1, "executing program\n", 18) = 18
[pid 22448] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22448] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22448] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22448] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22448] exit_group(0)               = ?
[pid 22448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21595", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21595", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21595/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21595/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21595/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21595")                        = 0
mkdir("./21596", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22449
./strace-static-x86_64: Process 22449 attached
[pid 22449] set_robust_list(0x55558cab0660, 24) = 0
[pid 22449] chdir("./21596")            = 0
[pid 22449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22449] setpgid(0, 0)               = 0
[pid 22449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22449] write(3, "1000", 4)         = 4
[pid 22449] close(3)                    = 0
[pid 22449] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22449] write(1, "executing program\n", 18) = 18
[pid 22449] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22449] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22449] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22449] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22449] exit_group(0)               = ?
[pid 22449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21596", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21596", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21596/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21596/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21596/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21596")                        = 0
mkdir("./21597", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22450 attached
, child_tidptr=0x55558cab0650) = 22450
[pid 22450] set_robust_list(0x55558cab0660, 24) = 0
[pid 22450] chdir("./21597")            = 0
[pid 22450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22450] setpgid(0, 0)               = 0
[pid 22450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22450] write(3, "1000", 4)         = 4
[pid 22450] close(3)                    = 0
[pid 22450] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22450] write(1, "executing program\n", 18) = 18
[pid 22450] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22450] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22450] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22450] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22450] exit_group(0)               = ?
[pid 22450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21597", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21597", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21597/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21597/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21597/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21597")                        = 0
mkdir("./21598", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22451 attached
, child_tidptr=0x55558cab0650) = 22451
[pid 22451] set_robust_list(0x55558cab0660, 24) = 0
[pid 22451] chdir("./21598")            = 0
[pid 22451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22451] setpgid(0, 0)               = 0
[pid 22451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22451] write(3, "1000", 4)         = 4
[pid 22451] close(3)                    = 0
[pid 22451] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22451] write(1, "executing program\n", 18executing program
) = 18
[pid 22451] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22451] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22451] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22451] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22451] exit_group(0)               = ?
[pid 22451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21598", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21598", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21598/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21598/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21598/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21598")                        = 0
mkdir("./21599", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22452 attached
, child_tidptr=0x55558cab0650) = 22452
[pid 22452] set_robust_list(0x55558cab0660, 24) = 0
[pid 22452] chdir("./21599")            = 0
[pid 22452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22452] setpgid(0, 0)               = 0
[pid 22452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22452] write(3, "1000", 4)         = 4
[pid 22452] close(3)                    = 0
[pid 22452] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22452] write(1, "executing program\n", 18) = 18
[pid 22452] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22452] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22452] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22452] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22452] exit_group(0)               = ?
[pid 22452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21599", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21599", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21599/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21599/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21599/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21599")                        = 0
mkdir("./21600", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22453 attached
, child_tidptr=0x55558cab0650) = 22453
[pid 22453] set_robust_list(0x55558cab0660, 24) = 0
[pid 22453] chdir("./21600")            = 0
[pid 22453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22453] setpgid(0, 0)               = 0
[pid 22453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22453] write(3, "1000", 4)         = 4
[pid 22453] close(3)                    = 0
[pid 22453] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22453] write(1, "executing program\n", 18) = 18
[pid 22453] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22453] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22453] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22453] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22453] exit_group(0)               = ?
[pid 22453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21600", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21600", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21600/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21600/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21600/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21600")                        = 0
mkdir("./21601", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22454 attached
, child_tidptr=0x55558cab0650) = 22454
[pid 22454] set_robust_list(0x55558cab0660, 24) = 0
[pid 22454] chdir("./21601")            = 0
[pid 22454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22454] setpgid(0, 0)               = 0
[pid 22454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22454] write(3, "1000", 4)         = 4
[pid 22454] close(3)                    = 0
[pid 22454] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22454] write(1, "executing program\n", 18) = 18
[pid 22454] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22454] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22454] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22454] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22454] exit_group(0)               = ?
[pid 22454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21601", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21601", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21601/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21601/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21601/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21601")                        = 0
mkdir("./21602", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22455
./strace-static-x86_64: Process 22455 attached
[pid 22455] set_robust_list(0x55558cab0660, 24) = 0
[pid 22455] chdir("./21602")            = 0
[pid 22455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22455] setpgid(0, 0)               = 0
[pid 22455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22455] write(3, "1000", 4)         = 4
[pid 22455] close(3)                    = 0
[pid 22455] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22455] write(1, "executing program\n", 18) = 18
[pid 22455] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22455] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22455] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22455] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22455] exit_group(0)               = ?
[pid 22455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21602", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21602", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21602/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21602/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21602/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21602")                        = 0
mkdir("./21603", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22456
./strace-static-x86_64: Process 22456 attached
[pid 22456] set_robust_list(0x55558cab0660, 24) = 0
[pid 22456] chdir("./21603")            = 0
[pid 22456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22456] setpgid(0, 0)               = 0
[pid 22456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22456] write(3, "1000", 4)         = 4
[pid 22456] close(3)                    = 0
[pid 22456] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22456] write(1, "executing program\n", 18executing program
) = 18
[pid 22456] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22456] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22456] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22456] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22456] exit_group(0)               = ?
[pid 22456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21603", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21603", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21603/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21603/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21603/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21603")                        = 0
mkdir("./21604", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22457
./strace-static-x86_64: Process 22457 attached
[pid 22457] set_robust_list(0x55558cab0660, 24) = 0
[pid 22457] chdir("./21604")            = 0
[pid 22457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22457] setpgid(0, 0)               = 0
[pid 22457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22457] write(3, "1000", 4)         = 4
[pid 22457] close(3)                    = 0
[pid 22457] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22457] write(1, "executing program\n", 18) = 18
[pid 22457] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22457] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22457] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22457] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22457] exit_group(0)               = ?
[pid 22457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21604", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21604", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21604/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21604/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21604/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21604")                        = 0
mkdir("./21605", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22458 attached
, child_tidptr=0x55558cab0650) = 22458
[pid 22458] set_robust_list(0x55558cab0660, 24) = 0
[pid 22458] chdir("./21605")            = 0
[pid 22458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22458] setpgid(0, 0)               = 0
[pid 22458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22458] write(3, "1000", 4)         = 4
[pid 22458] close(3)                    = 0
[pid 22458] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22458] write(1, "executing program\n", 18) = 18
[pid 22458] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22458] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22458] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22458] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22458] exit_group(0)               = ?
[pid 22458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21605", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21605", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21605/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21605/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21605/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21605")                        = 0
mkdir("./21606", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22459
./strace-static-x86_64: Process 22459 attached
[pid 22459] set_robust_list(0x55558cab0660, 24) = 0
[pid 22459] chdir("./21606")            = 0
[pid 22459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22459] setpgid(0, 0)               = 0
[pid 22459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22459] write(3, "1000", 4)         = 4
[pid 22459] close(3)                    = 0
[pid 22459] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22459] write(1, "executing program\n", 18) = 18
[pid 22459] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22459] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22459] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22459] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22459] exit_group(0)               = ?
[pid 22459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21606", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21606", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21606/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21606/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21606/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21606")                        = 0
mkdir("./21607", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22460 attached
, child_tidptr=0x55558cab0650) = 22460
[pid 22460] set_robust_list(0x55558cab0660, 24) = 0
[pid 22460] chdir("./21607")            = 0
[pid 22460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22460] setpgid(0, 0)               = 0
[pid 22460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22460] write(3, "1000", 4)         = 4
[pid 22460] close(3)                    = 0
[pid 22460] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22460] write(1, "executing program\n", 18) = 18
[pid 22460] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22460] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22460] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22460] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22460] exit_group(0)               = ?
[pid 22460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21607", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21607", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21607/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21607/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21607/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21607")                        = 0
mkdir("./21608", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22461 attached
, child_tidptr=0x55558cab0650) = 22461
[pid 22461] set_robust_list(0x55558cab0660, 24) = 0
[pid 22461] chdir("./21608")            = 0
[pid 22461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22461] setpgid(0, 0)               = 0
[pid 22461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22461] write(3, "1000", 4)         = 4
[pid 22461] close(3)                    = 0
[pid 22461] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22461] write(1, "executing program\n", 18) = 18
[pid 22461] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22461] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22461] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22461] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22461] exit_group(0)               = ?
[pid 22461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21608", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21608", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21608/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21608/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21608/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21608")                        = 0
mkdir("./21609", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22462
./strace-static-x86_64: Process 22462 attached
[pid 22462] set_robust_list(0x55558cab0660, 24) = 0
[pid 22462] chdir("./21609")            = 0
[pid 22462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22462] setpgid(0, 0)               = 0
[pid 22462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22462] write(3, "1000", 4)         = 4
[pid 22462] close(3)                    = 0
[pid 22462] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22462] write(1, "executing program\n", 18) = 18
[pid 22462] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22462] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22462] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22462] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22462] exit_group(0)               = ?
[pid 22462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21609", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21609", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21609/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21609/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21609/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21609")                        = 0
mkdir("./21610", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22463
./strace-static-x86_64: Process 22463 attached
[pid 22463] set_robust_list(0x55558cab0660, 24) = 0
[pid 22463] chdir("./21610")            = 0
[pid 22463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22463] setpgid(0, 0)               = 0
[pid 22463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22463] write(3, "1000", 4)         = 4
[pid 22463] close(3)                    = 0
[pid 22463] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22463] write(1, "executing program\n", 18executing program
) = 18
[pid 22463] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22463] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22463] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22463] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22463] exit_group(0)               = ?
[pid 22463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21610", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21610", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21610/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21610/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21610/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21610")                        = 0
mkdir("./21611", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22465 attached
, child_tidptr=0x55558cab0650) = 22465
[pid 22465] set_robust_list(0x55558cab0660, 24) = 0
[pid 22465] chdir("./21611")            = 0
[pid 22465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22465] setpgid(0, 0)               = 0
[pid 22465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22465] write(3, "1000", 4)         = 4
[pid 22465] close(3)                    = 0
[pid 22465] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22465] write(1, "executing program\n", 18) = 18
[pid 22465] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22465] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22465] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22465] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22465] exit_group(0)               = ?
[pid 22465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21611", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21611", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21611/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21611/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21611/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21611")                        = 0
mkdir("./21612", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22466 attached
, child_tidptr=0x55558cab0650) = 22466
[pid 22466] set_robust_list(0x55558cab0660, 24) = 0
[pid 22466] chdir("./21612")            = 0
[pid 22466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22466] setpgid(0, 0)               = 0
[pid 22466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22466] write(3, "1000", 4)         = 4
[pid 22466] close(3)                    = 0
[pid 22466] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22466] write(1, "executing program\n", 18executing program
) = 18
[pid 22466] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22466] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22466] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22466] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22466] exit_group(0)               = ?
[pid 22466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21612", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21612", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21612/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21612/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21612/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21612")                        = 0
mkdir("./21613", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22467 attached
, child_tidptr=0x55558cab0650) = 22467
[pid 22467] set_robust_list(0x55558cab0660, 24) = 0
[pid 22467] chdir("./21613")            = 0
[pid 22467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22467] setpgid(0, 0)               = 0
[pid 22467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22467] write(3, "1000", 4)         = 4
[pid 22467] close(3)                    = 0
[pid 22467] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22467] write(1, "executing program\n", 18) = 18
[pid 22467] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22467] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22467] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22467] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22467] exit_group(0)               = ?
[pid 22467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21613", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21613", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21613/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21613/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21613/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21613")                        = 0
mkdir("./21614", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22468
./strace-static-x86_64: Process 22468 attached
[pid 22468] set_robust_list(0x55558cab0660, 24) = 0
[pid 22468] chdir("./21614")            = 0
[pid 22468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22468] setpgid(0, 0)               = 0
[pid 22468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22468] write(3, "1000", 4)         = 4
[pid 22468] close(3)                    = 0
[pid 22468] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22468] write(1, "executing program\n", 18) = 18
[pid 22468] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22468] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22468] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22468] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22468] exit_group(0)               = ?
[pid 22468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21614", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21614", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21614/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21614/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21614/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21614")                        = 0
mkdir("./21615", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22469 attached
, child_tidptr=0x55558cab0650) = 22469
[pid 22469] set_robust_list(0x55558cab0660, 24) = 0
[pid 22469] chdir("./21615")            = 0
[pid 22469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22469] setpgid(0, 0)               = 0
[pid 22469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22469] write(3, "1000", 4)         = 4
[pid 22469] close(3)                    = 0
[pid 22469] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22469] write(1, "executing program\n", 18) = 18
[pid 22469] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22469] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22469] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22469] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22469] exit_group(0)               = ?
[pid 22469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21615", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21615", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21615/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21615/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21615/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21615")                        = 0
mkdir("./21616", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22470 attached
, child_tidptr=0x55558cab0650) = 22470
[pid 22470] set_robust_list(0x55558cab0660, 24) = 0
[pid 22470] chdir("./21616")            = 0
[pid 22470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22470] setpgid(0, 0)               = 0
[pid 22470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22470] write(3, "1000", 4)         = 4
[pid 22470] close(3)                    = 0
[pid 22470] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22470] write(1, "executing program\n", 18) = 18
[pid 22470] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22470] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22470] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22470] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22470] exit_group(0)               = ?
[pid 22470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21616", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21616", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21616/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21616/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21616/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21616")                        = 0
mkdir("./21617", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22471
./strace-static-x86_64: Process 22471 attached
[pid 22471] set_robust_list(0x55558cab0660, 24) = 0
[pid 22471] chdir("./21617")            = 0
[pid 22471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22471] setpgid(0, 0)               = 0
[pid 22471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22471] write(3, "1000", 4)         = 4
[pid 22471] close(3)                    = 0
[pid 22471] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22471] write(1, "executing program\n", 18executing program
) = 18
[pid 22471] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22471] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22471] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22471] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22471] exit_group(0)               = ?
[pid 22471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21617", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21617", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21617/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21617/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21617/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21617")                        = 0
mkdir("./21618", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22472
./strace-static-x86_64: Process 22472 attached
[pid 22472] set_robust_list(0x55558cab0660, 24) = 0
[pid 22472] chdir("./21618")            = 0
[pid 22472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22472] setpgid(0, 0)               = 0
[pid 22472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22472] write(3, "1000", 4)         = 4
[pid 22472] close(3)                    = 0
[pid 22472] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22472] write(1, "executing program\n", 18) = 18
[pid 22472] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22472] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22472] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22472] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22472] exit_group(0)               = ?
[pid 22472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21618", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21618", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21618/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21618/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21618/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21618")                        = 0
mkdir("./21619", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22473
./strace-static-x86_64: Process 22473 attached
[pid 22473] set_robust_list(0x55558cab0660, 24) = 0
[pid 22473] chdir("./21619")            = 0
[pid 22473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22473] setpgid(0, 0)               = 0
[pid 22473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22473] write(3, "1000", 4)         = 4
[pid 22473] close(3)                    = 0
[pid 22473] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22473] write(1, "executing program\n", 18) = 18
[pid 22473] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22473] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22473] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22473] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22473] exit_group(0)               = ?
[pid 22473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21619", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21619", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21619/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21619/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21619/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21619")                        = 0
mkdir("./21620", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22474 attached
, child_tidptr=0x55558cab0650) = 22474
[pid 22474] set_robust_list(0x55558cab0660, 24) = 0
[pid 22474] chdir("./21620")            = 0
[pid 22474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22474] setpgid(0, 0)               = 0
[pid 22474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22474] write(3, "1000", 4)         = 4
[pid 22474] close(3)                    = 0
[pid 22474] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22474] write(1, "executing program\n", 18executing program
) = 18
[pid 22474] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22474] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22474] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22474] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22474] exit_group(0)               = ?
[pid 22474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21620", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21620", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21620/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21620/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21620/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21620")                        = 0
mkdir("./21621", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22475 attached
, child_tidptr=0x55558cab0650) = 22475
[pid 22475] set_robust_list(0x55558cab0660, 24) = 0
[pid 22475] chdir("./21621")            = 0
[pid 22475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22475] setpgid(0, 0)               = 0
[pid 22475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22475] write(3, "1000", 4)         = 4
[pid 22475] close(3)                    = 0
[pid 22475] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22475] write(1, "executing program\n", 18) = 18
[pid 22475] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22475] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22475] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22475] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22475] exit_group(0)               = ?
[pid 22475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21621", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21621", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21621/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21621/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21621/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21621")                        = 0
mkdir("./21622", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22476 attached
, child_tidptr=0x55558cab0650) = 22476
[pid 22476] set_robust_list(0x55558cab0660, 24) = 0
[pid 22476] chdir("./21622")            = 0
[pid 22476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22476] setpgid(0, 0)               = 0
[pid 22476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22476] write(3, "1000", 4)         = 4
[pid 22476] close(3)                    = 0
[pid 22476] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22476] write(1, "executing program\n", 18executing program
) = 18
[pid 22476] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22476] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22476] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22476] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22476] exit_group(0)               = ?
[pid 22476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21622", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21622", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21622/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21622/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21622/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21622")                        = 0
mkdir("./21623", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22477 attached
, child_tidptr=0x55558cab0650) = 22477
[pid 22477] set_robust_list(0x55558cab0660, 24) = 0
[pid 22477] chdir("./21623")            = 0
[pid 22477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22477] setpgid(0, 0)               = 0
[pid 22477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22477] write(3, "1000", 4)         = 4
[pid 22477] close(3)                    = 0
[pid 22477] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22477] write(1, "executing program\n", 18) = 18
[pid 22477] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22477] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22477] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22477] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22477] exit_group(0)               = ?
[pid 22477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21623", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21623", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21623/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21623/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21623/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21623")                        = 0
mkdir("./21624", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22478
./strace-static-x86_64: Process 22478 attached
[pid 22478] set_robust_list(0x55558cab0660, 24) = 0
[pid 22478] chdir("./21624")            = 0
[pid 22478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22478] setpgid(0, 0)               = 0
[pid 22478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22478] write(3, "1000", 4)         = 4
[pid 22478] close(3)                    = 0
[pid 22478] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22478] write(1, "executing program\n", 18) = 18
[pid 22478] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22478] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22478] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22478] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22478] exit_group(0)               = ?
[pid 22478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21624", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21624", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21624/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21624/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21624/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21624")                        = 0
mkdir("./21625", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22479 attached
, child_tidptr=0x55558cab0650) = 22479
[pid 22479] set_robust_list(0x55558cab0660, 24) = 0
[pid 22479] chdir("./21625")            = 0
[pid 22479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22479] setpgid(0, 0)               = 0
[pid 22479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22479] write(3, "1000", 4)         = 4
[pid 22479] close(3)                    = 0
[pid 22479] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22479] write(1, "executing program\n", 18) = 18
[pid 22479] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22479] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22479] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22479] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22479] exit_group(0)               = ?
[pid 22479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21625", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21625", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21625/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21625/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21625/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21625")                        = 0
mkdir("./21626", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22480
./strace-static-x86_64: Process 22480 attached
[pid 22480] set_robust_list(0x55558cab0660, 24) = 0
[pid 22480] chdir("./21626")            = 0
[pid 22480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22480] setpgid(0, 0)               = 0
[pid 22480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22480] write(3, "1000", 4)         = 4
[pid 22480] close(3)                    = 0
[pid 22480] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22480] write(1, "executing program\n", 18executing program
) = 18
[pid 22480] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22480] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22480] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22480] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22480] exit_group(0)               = ?
[pid 22480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21626", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21626", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21626/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21626/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21626/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21626")                        = 0
mkdir("./21627", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22481 attached
, child_tidptr=0x55558cab0650) = 22481
[pid 22481] set_robust_list(0x55558cab0660, 24) = 0
[pid 22481] chdir("./21627")            = 0
[pid 22481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22481] setpgid(0, 0)               = 0
[pid 22481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22481] write(3, "1000", 4)         = 4
[pid 22481] close(3)                    = 0
[pid 22481] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22481] write(1, "executing program\n", 18) = 18
[pid 22481] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22481] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22481] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22481] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22481] exit_group(0)               = ?
[pid 22481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21627", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21627", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21627/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21627/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21627/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21627")                        = 0
mkdir("./21628", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22482
./strace-static-x86_64: Process 22482 attached
[pid 22482] set_robust_list(0x55558cab0660, 24) = 0
[pid 22482] chdir("./21628")            = 0
[pid 22482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22482] setpgid(0, 0)               = 0
[pid 22482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22482] write(3, "1000", 4)         = 4
[pid 22482] close(3)                    = 0
[pid 22482] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22482] write(1, "executing program\n", 18) = 18
[pid 22482] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22482] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22482] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22482] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22482] exit_group(0)               = ?
[pid 22482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21628", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21628/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21628/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21628/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21628")                        = 0
mkdir("./21629", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22483
./strace-static-x86_64: Process 22483 attached
[pid 22483] set_robust_list(0x55558cab0660, 24) = 0
[pid 22483] chdir("./21629")            = 0
[pid 22483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22483] setpgid(0, 0)               = 0
[pid 22483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22483] write(3, "1000", 4)         = 4
[pid 22483] close(3)                    = 0
[pid 22483] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22483] write(1, "executing program\n", 18) = 18
[pid 22483] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22483] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22483] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22483] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22483] exit_group(0)               = ?
[pid 22483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21629", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21629", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21629/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21629/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21629/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21629")                        = 0
mkdir("./21630", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22484
./strace-static-x86_64: Process 22484 attached
[pid 22484] set_robust_list(0x55558cab0660, 24) = 0
[pid 22484] chdir("./21630")            = 0
[pid 22484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22484] setpgid(0, 0)               = 0
[pid 22484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22484] write(3, "1000", 4)         = 4
[pid 22484] close(3)                    = 0
[pid 22484] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22484] write(1, "executing program\n", 18) = 18
[pid 22484] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22484] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22484] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22484] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22484] exit_group(0)               = ?
[pid 22484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21630", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21630/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21630/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21630/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21630")                        = 0
mkdir("./21631", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22485
./strace-static-x86_64: Process 22485 attached
[pid 22485] set_robust_list(0x55558cab0660, 24) = 0
[pid 22485] chdir("./21631")            = 0
[pid 22485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22485] setpgid(0, 0)               = 0
[pid 22485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22485] write(3, "1000", 4)         = 4
[pid 22485] close(3)                    = 0
[pid 22485] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22485] write(1, "executing program\n", 18executing program
) = 18
[pid 22485] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22485] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22485] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22485] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22485] exit_group(0)               = ?
[pid 22485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21631", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21631/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21631/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21631/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21631")                        = 0
mkdir("./21632", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22486
./strace-static-x86_64: Process 22486 attached
executing program
[pid 22486] set_robust_list(0x55558cab0660, 24) = 0
[pid 22486] chdir("./21632")            = 0
[pid 22486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22486] setpgid(0, 0)               = 0
[pid 22486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22486] write(3, "1000", 4)         = 4
[pid 22486] close(3)                    = 0
[pid 22486] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22486] write(1, "executing program\n", 18) = 18
[pid 22486] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22486] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22486] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22486] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22486] exit_group(0)               = ?
[pid 22486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21632", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21632/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21632/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21632/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21632")                        = 0
mkdir("./21633", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22487
./strace-static-x86_64: Process 22487 attached
[pid 22487] set_robust_list(0x55558cab0660, 24) = 0
[pid 22487] chdir("./21633")            = 0
[pid 22487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22487] setpgid(0, 0)               = 0
[pid 22487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22487] write(3, "1000", 4)         = 4
[pid 22487] close(3)                    = 0
[pid 22487] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22487] write(1, "executing program\n", 18executing program
) = 18
[pid 22487] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22487] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22487] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22487] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22487] exit_group(0)               = ?
[pid 22487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21633", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21633", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21633/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21633/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21633/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21633")                        = 0
mkdir("./21634", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22488
./strace-static-x86_64: Process 22488 attached
[pid 22488] set_robust_list(0x55558cab0660, 24) = 0
[pid 22488] chdir("./21634")            = 0
[pid 22488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22488] setpgid(0, 0)               = 0
[pid 22488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22488] write(3, "1000", 4)         = 4
[pid 22488] close(3)                    = 0
[pid 22488] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22488] write(1, "executing program\n", 18executing program
) = 18
[pid 22488] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22488] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22488] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22488] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22488] exit_group(0)               = ?
[pid 22488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21634", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21634/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21634/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21634/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21634")                        = 0
mkdir("./21635", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22489
./strace-static-x86_64: Process 22489 attached
[pid 22489] set_robust_list(0x55558cab0660, 24) = 0
[pid 22489] chdir("./21635")            = 0
[pid 22489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22489] setpgid(0, 0)               = 0
[pid 22489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22489] write(3, "1000", 4)         = 4
[pid 22489] close(3)                    = 0
[pid 22489] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22489] write(1, "executing program\n", 18) = 18
[pid 22489] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22489] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22489] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22489] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22489] exit_group(0)               = ?
[pid 22489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21635", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21635/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21635/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21635/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21635")                        = 0
mkdir("./21636", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22490 attached
, child_tidptr=0x55558cab0650) = 22490
[pid 22490] set_robust_list(0x55558cab0660, 24) = 0
[pid 22490] chdir("./21636")            = 0
[pid 22490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22490] setpgid(0, 0)               = 0
[pid 22490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22490] write(3, "1000", 4)         = 4
[pid 22490] close(3)                    = 0
[pid 22490] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22490] write(1, "executing program\n", 18) = 18
[pid 22490] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22490] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22490] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22490] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22490] exit_group(0)               = ?
[pid 22490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21636", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21636/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21636/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21636/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21636")                        = 0
mkdir("./21637", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22491
./strace-static-x86_64: Process 22491 attached
[pid 22491] set_robust_list(0x55558cab0660, 24) = 0
[pid 22491] chdir("./21637")            = 0
[pid 22491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22491] setpgid(0, 0)               = 0
[pid 22491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22491] write(3, "1000", 4)         = 4
[pid 22491] close(3)                    = 0
[pid 22491] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22491] write(1, "executing program\n", 18) = 18
[pid 22491] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22491] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22491] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22491] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22491] exit_group(0)               = ?
[pid 22491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21637", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21637/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21637/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21637/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21637")                        = 0
mkdir("./21638", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22492
./strace-static-x86_64: Process 22492 attached
[pid 22492] set_robust_list(0x55558cab0660, 24) = 0
[pid 22492] chdir("./21638")            = 0
[pid 22492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22492] setpgid(0, 0)               = 0
[pid 22492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22492] write(3, "1000", 4)         = 4
[pid 22492] close(3)                    = 0
[pid 22492] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22492] write(1, "executing program\n", 18) = 18
[pid 22492] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22492] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22492] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22492] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22492] exit_group(0)               = ?
[pid 22492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21638", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21638/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21638/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21638/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21638")                        = 0
mkdir("./21639", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22493
./strace-static-x86_64: Process 22493 attached
[pid 22493] set_robust_list(0x55558cab0660, 24) = 0
[pid 22493] chdir("./21639")            = 0
[pid 22493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22493] setpgid(0, 0)               = 0
[pid 22493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22493] write(3, "1000", 4)         = 4
[pid 22493] close(3)                    = 0
[pid 22493] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22493] write(1, "executing program\n", 18executing program
) = 18
[pid 22493] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22493] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22493] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22493] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22493] exit_group(0)               = ?
[pid 22493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21639", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21639/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21639/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21639/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21639")                        = 0
mkdir("./21640", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22494 attached
, child_tidptr=0x55558cab0650) = 22494
[pid 22494] set_robust_list(0x55558cab0660, 24) = 0
[pid 22494] chdir("./21640")            = 0
[pid 22494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22494] setpgid(0, 0)               = 0
[pid 22494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22494] write(3, "1000", 4)         = 4
[pid 22494] close(3)                    = 0
[pid 22494] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22494] write(1, "executing program\n", 18) = 18
[pid 22494] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22494] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22494] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22494] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22494] exit_group(0)               = ?
[pid 22494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21640", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21640/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21640/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21640/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21640")                        = 0
mkdir("./21641", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22495 attached
, child_tidptr=0x55558cab0650) = 22495
[pid 22495] set_robust_list(0x55558cab0660, 24) = 0
[pid 22495] chdir("./21641")            = 0
[pid 22495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22495] setpgid(0, 0)               = 0
[pid 22495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22495] write(3, "1000", 4)         = 4
[pid 22495] close(3)                    = 0
[pid 22495] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22495] write(1, "executing program\n", 18) = 18
[pid 22495] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22495] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22495] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22495] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22495] exit_group(0)               = ?
[pid 22495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21641", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21641/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21641/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21641/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21641")                        = 0
mkdir("./21642", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22496
./strace-static-x86_64: Process 22496 attached
[pid 22496] set_robust_list(0x55558cab0660, 24) = 0
[pid 22496] chdir("./21642")            = 0
[pid 22496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22496] setpgid(0, 0)               = 0
[pid 22496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22496] write(3, "1000", 4)         = 4
[pid 22496] close(3)                    = 0
[pid 22496] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22496] write(1, "executing program\n", 18) = 18
[pid 22496] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22496] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22496] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22496] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22496] exit_group(0)               = ?
[pid 22496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21642", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21642/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21642/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21642/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21642")                        = 0
mkdir("./21643", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22497 attached
, child_tidptr=0x55558cab0650) = 22497
[pid 22497] set_robust_list(0x55558cab0660, 24) = 0
[pid 22497] chdir("./21643")            = 0
[pid 22497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22497] setpgid(0, 0)               = 0
[pid 22497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22497] write(3, "1000", 4)         = 4
[pid 22497] close(3)                    = 0
[pid 22497] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22497] write(1, "executing program\n", 18executing program
) = 18
[pid 22497] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22497] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22497] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22497] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22497] exit_group(0)               = ?
[pid 22497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21643", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21643/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21643/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21643")                        = 0
mkdir("./21644", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22498 attached
 <unfinished ...>
[pid 22498] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22498
[pid 22498] chdir("./21644")            = 0
[pid 22498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22498] setpgid(0, 0)               = 0
[pid 22498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22498] write(3, "1000", 4)         = 4
[pid 22498] close(3)                    = 0
[pid 22498] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22498] write(1, "executing program\n", 18) = 18
[pid 22498] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22498] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22498] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22498] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22498] exit_group(0)               = ?
[pid 22498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21644", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21644/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21644/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21644")                        = 0
mkdir("./21645", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22499
./strace-static-x86_64: Process 22499 attached
[pid 22499] set_robust_list(0x55558cab0660, 24) = 0
[pid 22499] chdir("./21645")            = 0
[pid 22499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22499] setpgid(0, 0)               = 0
[pid 22499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22499] write(3, "1000", 4)         = 4
[pid 22499] close(3)                    = 0
[pid 22499] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22499] write(1, "executing program\n", 18) = 18
[pid 22499] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22499] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22499] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22499] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22499] exit_group(0)               = ?
[pid 22499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21645", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21645/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21645/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21645")                        = 0
mkdir("./21646", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22500
./strace-static-x86_64: Process 22500 attached
[pid 22500] set_robust_list(0x55558cab0660, 24) = 0
[pid 22500] chdir("./21646")            = 0
[pid 22500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22500] setpgid(0, 0)               = 0
[pid 22500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22500] write(3, "1000", 4)         = 4
[pid 22500] close(3)                    = 0
[pid 22500] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22500] write(1, "executing program\n", 18executing program
) = 18
[pid 22500] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22500] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22500] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22500] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22500] exit_group(0)               = ?
[pid 22500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21646", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21646/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21646/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21646")                        = 0
mkdir("./21647", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22501 attached
, child_tidptr=0x55558cab0650) = 22501
[pid 22501] set_robust_list(0x55558cab0660, 24) = 0
[pid 22501] chdir("./21647")            = 0
[pid 22501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22501] setpgid(0, 0)               = 0
[pid 22501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22501] write(3, "1000", 4)         = 4
[pid 22501] close(3)                    = 0
[pid 22501] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22501] write(1, "executing program\n", 18executing program
) = 18
[pid 22501] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22501] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22501] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22501] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22501] exit_group(0)               = ?
[pid 22501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21647", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21647/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21647/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21647")                        = 0
mkdir("./21648", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22502 attached
, child_tidptr=0x55558cab0650) = 22502
[pid 22502] set_robust_list(0x55558cab0660, 24) = 0
[pid 22502] chdir("./21648")            = 0
[pid 22502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22502] setpgid(0, 0)               = 0
[pid 22502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22502] write(3, "1000", 4)         = 4
[pid 22502] close(3)                    = 0
[pid 22502] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22502] write(1, "executing program\n", 18executing program
) = 18
[pid 22502] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22502] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22502] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22502] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22502] exit_group(0)               = ?
[pid 22502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21648", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21648/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21648/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21648")                        = 0
mkdir("./21649", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22503
./strace-static-x86_64: Process 22503 attached
[pid 22503] set_robust_list(0x55558cab0660, 24) = 0
[pid 22503] chdir("./21649")            = 0
[pid 22503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22503] setpgid(0, 0)               = 0
[pid 22503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22503] write(3, "1000", 4)         = 4
[pid 22503] close(3)                    = 0
[pid 22503] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22503] write(1, "executing program\n", 18executing program
) = 18
[pid 22503] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22503] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22503] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22503] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22503] exit_group(0)               = ?
[pid 22503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21649", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21649/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21649/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21649")                        = 0
mkdir("./21650", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22504
./strace-static-x86_64: Process 22504 attached
[pid 22504] set_robust_list(0x55558cab0660, 24) = 0
[pid 22504] chdir("./21650")            = 0
[pid 22504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22504] setpgid(0, 0)               = 0
[pid 22504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22504] write(3, "1000", 4)         = 4
[pid 22504] close(3)                    = 0
[pid 22504] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22504] write(1, "executing program\n", 18) = 18
[pid 22504] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22504] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22504] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22504] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22504] exit_group(0)               = ?
[pid 22504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21650", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21650/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21650/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21650")                        = 0
mkdir("./21651", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22505
./strace-static-x86_64: Process 22505 attached
[pid 22505] set_robust_list(0x55558cab0660, 24) = 0
[pid 22505] chdir("./21651")            = 0
[pid 22505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22505] setpgid(0, 0)               = 0
[pid 22505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22505] write(3, "1000", 4)         = 4
[pid 22505] close(3)                    = 0
[pid 22505] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22505] write(1, "executing program\n", 18executing program
) = 18
[pid 22505] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22505] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22505] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22505] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22505] exit_group(0)               = ?
[pid 22505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21651", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21651/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21651/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21651")                        = 0
mkdir("./21652", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22506
./strace-static-x86_64: Process 22506 attached
[pid 22506] set_robust_list(0x55558cab0660, 24) = 0
[pid 22506] chdir("./21652")            = 0
[pid 22506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22506] setpgid(0, 0)               = 0
[pid 22506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22506] write(3, "1000", 4)         = 4
[pid 22506] close(3)                    = 0
[pid 22506] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22506] write(1, "executing program\n", 18executing program
) = 18
[pid 22506] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22506] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22506] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22506] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22506] exit_group(0)               = ?
[pid 22506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21652", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21652/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21652/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21652")                        = 0
mkdir("./21653", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22507
./strace-static-x86_64: Process 22507 attached
[pid 22507] set_robust_list(0x55558cab0660, 24) = 0
[pid 22507] chdir("./21653")            = 0
[pid 22507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22507] setpgid(0, 0)               = 0
[pid 22507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22507] write(3, "1000", 4)         = 4
[pid 22507] close(3)                    = 0
[pid 22507] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22507] write(1, "executing program\n", 18) = 18
executing program
[pid 22507] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22507] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22507] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22507] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22507] exit_group(0)               = ?
[pid 22507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21653", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21653/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21653/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21653")                        = 0
mkdir("./21654", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22508
./strace-static-x86_64: Process 22508 attached
[pid 22508] set_robust_list(0x55558cab0660, 24) = 0
[pid 22508] chdir("./21654")            = 0
[pid 22508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22508] setpgid(0, 0)               = 0
[pid 22508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22508] write(3, "1000", 4)         = 4
[pid 22508] close(3)                    = 0
[pid 22508] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22508] write(1, "executing program\n", 18) = 18
[pid 22508] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22508] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22508] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22508] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22508] exit_group(0)               = ?
[pid 22508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21654", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21654/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21654/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21654")                        = 0
mkdir("./21655", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22509 attached
, child_tidptr=0x55558cab0650) = 22509
[pid 22509] set_robust_list(0x55558cab0660, 24) = 0
[pid 22509] chdir("./21655")            = 0
[pid 22509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22509] setpgid(0, 0)               = 0
[pid 22509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22509] write(3, "1000", 4)         = 4
[pid 22509] close(3)                    = 0
[pid 22509] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22509] write(1, "executing program\n", 18executing program
) = 18
[pid 22509] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22509] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22509] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22509] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22509] exit_group(0)               = ?
[pid 22509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21655", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21655/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21655/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21655")                        = 0
mkdir("./21656", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22510
./strace-static-x86_64: Process 22510 attached
[pid 22510] set_robust_list(0x55558cab0660, 24) = 0
[pid 22510] chdir("./21656")            = 0
[pid 22510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22510] setpgid(0, 0)               = 0
[pid 22510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22510] write(3, "1000", 4)         = 4
[pid 22510] close(3)                    = 0
[pid 22510] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22510] write(1, "executing program\n", 18) = 18
[pid 22510] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22510] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22510] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22510] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22510] exit_group(0)               = ?
[pid 22510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21656", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21656/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21656/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21656")                        = 0
mkdir("./21657", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22511
./strace-static-x86_64: Process 22511 attached
[pid 22511] set_robust_list(0x55558cab0660, 24) = 0
[pid 22511] chdir("./21657")            = 0
[pid 22511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22511] setpgid(0, 0)               = 0
[pid 22511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22511] write(3, "1000", 4)         = 4
[pid 22511] close(3)                    = 0
[pid 22511] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22511] write(1, "executing program\n", 18) = 18
[pid 22511] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22511] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22511] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22511] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22511] exit_group(0)               = ?
[pid 22511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21657", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21657/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21657/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21657")                        = 0
mkdir("./21658", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22512 attached
, child_tidptr=0x55558cab0650) = 22512
[pid 22512] set_robust_list(0x55558cab0660, 24) = 0
[pid 22512] chdir("./21658")            = 0
[pid 22512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22512] setpgid(0, 0)               = 0
[pid 22512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22512] write(3, "1000", 4)         = 4
[pid 22512] close(3)                    = 0
[pid 22512] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22512] write(1, "executing program\n", 18executing program
) = 18
[pid 22512] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22512] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22512] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22512] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22512] exit_group(0)               = ?
[pid 22512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21658", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21658/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21658/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21658")                        = 0
mkdir("./21659", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22513 attached
, child_tidptr=0x55558cab0650) = 22513
[pid 22513] set_robust_list(0x55558cab0660, 24) = 0
[pid 22513] chdir("./21659")            = 0
[pid 22513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22513] setpgid(0, 0)               = 0
[pid 22513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22513] write(3, "1000", 4)         = 4
[pid 22513] close(3)                    = 0
[pid 22513] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22513] write(1, "executing program\n", 18) = 18
[pid 22513] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22513] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22513] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22513] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22513] exit_group(0)               = ?
[pid 22513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21659", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21659/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21659/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21659")                        = 0
mkdir("./21660", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22514 attached
, child_tidptr=0x55558cab0650) = 22514
[pid 22514] set_robust_list(0x55558cab0660, 24) = 0
[pid 22514] chdir("./21660")            = 0
[pid 22514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22514] setpgid(0, 0)               = 0
[pid 22514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22514] write(3, "1000", 4)         = 4
[pid 22514] close(3)                    = 0
[pid 22514] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22514] write(1, "executing program\n", 18) = 18
[pid 22514] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22514] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22514] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22514] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22514] exit_group(0)               = ?
[pid 22514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21660", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21660/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21660/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21660")                        = 0
mkdir("./21661", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22515 attached
, child_tidptr=0x55558cab0650) = 22515
[pid 22515] set_robust_list(0x55558cab0660, 24) = 0
[pid 22515] chdir("./21661")            = 0
[pid 22515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22515] setpgid(0, 0)               = 0
[pid 22515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22515] write(3, "1000", 4)         = 4
[pid 22515] close(3)                    = 0
[pid 22515] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22515] write(1, "executing program\n", 18) = 18
[pid 22515] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22515] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22515] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22515] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22515] exit_group(0)               = ?
[pid 22515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21661", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21661/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21661/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21661")                        = 0
mkdir("./21662", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22516
./strace-static-x86_64: Process 22516 attached
[pid 22516] set_robust_list(0x55558cab0660, 24) = 0
[pid 22516] chdir("./21662")            = 0
[pid 22516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22516] setpgid(0, 0)               = 0
[pid 22516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22516] write(3, "1000", 4)         = 4
[pid 22516] close(3)                    = 0
[pid 22516] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22516] write(1, "executing program\n", 18) = 18
[pid 22516] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22516] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22516] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22516] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22516] exit_group(0)               = ?
[pid 22516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21662", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21662/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21662/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21662")                        = 0
mkdir("./21663", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22517
./strace-static-x86_64: Process 22517 attached
[pid 22517] set_robust_list(0x55558cab0660, 24) = 0
[pid 22517] chdir("./21663")            = 0
[pid 22517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22517] setpgid(0, 0)               = 0
[pid 22517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22517] write(3, "1000", 4)         = 4
[pid 22517] close(3)                    = 0
[pid 22517] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22517] write(1, "executing program\n", 18) = 18
[pid 22517] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22517] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22517] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22517] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22517] exit_group(0)               = ?
[pid 22517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21663", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21663/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21663/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21663")                        = 0
mkdir("./21664", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22518 attached
, child_tidptr=0x55558cab0650) = 22518
[pid 22518] set_robust_list(0x55558cab0660, 24) = 0
[pid 22518] chdir("./21664")            = 0
[pid 22518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22518] setpgid(0, 0)               = 0
[pid 22518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22518] write(3, "1000", 4)         = 4
[pid 22518] close(3)                    = 0
[pid 22518] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22518] write(1, "executing program\n", 18executing program
) = 18
[pid 22518] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22518] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22518] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22518] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22518] exit_group(0)               = ?
[pid 22518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21664", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21664/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21664/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21664")                        = 0
mkdir("./21665", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22519
./strace-static-x86_64: Process 22519 attached
[pid 22519] set_robust_list(0x55558cab0660, 24) = 0
[pid 22519] chdir("./21665")            = 0
[pid 22519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22519] setpgid(0, 0)               = 0
[pid 22519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22519] write(3, "1000", 4)         = 4
[pid 22519] close(3)                    = 0
[pid 22519] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22519] write(1, "executing program\n", 18) = 18
[pid 22519] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22519] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22519] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22519] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22519] exit_group(0)               = ?
[pid 22519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21665", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21665/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21665/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21665")                        = 0
mkdir("./21666", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22520
./strace-static-x86_64: Process 22520 attached
[pid 22520] set_robust_list(0x55558cab0660, 24) = 0
[pid 22520] chdir("./21666")            = 0
[pid 22520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22520] setpgid(0, 0)               = 0
[pid 22520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22520] write(3, "1000", 4)         = 4
[pid 22520] close(3)                    = 0
[pid 22520] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22520] write(1, "executing program\n", 18) = 18
[pid 22520] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22520] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22520] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22520] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22520] exit_group(0)               = ?
[pid 22520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21666", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21666/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21666/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21666")                        = 0
mkdir("./21667", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22521
./strace-static-x86_64: Process 22521 attached
[pid 22521] set_robust_list(0x55558cab0660, 24) = 0
[pid 22521] chdir("./21667")            = 0
[pid 22521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22521] setpgid(0, 0)               = 0
[pid 22521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22521] write(3, "1000", 4)         = 4
[pid 22521] close(3)                    = 0
[pid 22521] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22521] write(1, "executing program\n", 18) = 18
[pid 22521] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22521] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22521] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22521] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22521] exit_group(0)               = ?
[pid 22521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21667", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21667/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21667/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21667")                        = 0
mkdir("./21668", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22522
./strace-static-x86_64: Process 22522 attached
[pid 22522] set_robust_list(0x55558cab0660, 24) = 0
[pid 22522] chdir("./21668")            = 0
[pid 22522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22522] setpgid(0, 0)               = 0
[pid 22522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22522] write(3, "1000", 4)         = 4
[pid 22522] close(3)                    = 0
[pid 22522] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22522] write(1, "executing program\n", 18) = 18
[pid 22522] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22522] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22522] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22522] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22522] exit_group(0)               = ?
[pid 22522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21668", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21668/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21668/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21668")                        = 0
mkdir("./21669", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22523
./strace-static-x86_64: Process 22523 attached
[pid 22523] set_robust_list(0x55558cab0660, 24) = 0
[pid 22523] chdir("./21669")            = 0
[pid 22523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22523] setpgid(0, 0)               = 0
[pid 22523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22523] write(3, "1000", 4)         = 4
[pid 22523] close(3)                    = 0
[pid 22523] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22523] write(1, "executing program\n", 18) = 18
[pid 22523] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22523] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22523] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22523] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22523] exit_group(0)               = ?
[pid 22523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21669", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21669/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21669/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21669")                        = 0
mkdir("./21670", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22524
./strace-static-x86_64: Process 22524 attached
[pid 22524] set_robust_list(0x55558cab0660, 24) = 0
[pid 22524] chdir("./21670")            = 0
[pid 22524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22524] setpgid(0, 0)               = 0
[pid 22524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22524] write(3, "1000", 4)         = 4
[pid 22524] close(3)                    = 0
[pid 22524] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22524] write(1, "executing program\n", 18) = 18
[pid 22524] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22524] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22524] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22524] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22524] exit_group(0)               = ?
[pid 22524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21670", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21670/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21670/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21670")                        = 0
mkdir("./21671", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22525 attached
, child_tidptr=0x55558cab0650) = 22525
[pid 22525] set_robust_list(0x55558cab0660, 24) = 0
[pid 22525] chdir("./21671")            = 0
[pid 22525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22525] setpgid(0, 0)               = 0
[pid 22525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22525] write(3, "1000", 4)         = 4
[pid 22525] close(3)                    = 0
[pid 22525] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22525] write(1, "executing program\n", 18) = 18
[pid 22525] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22525] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22525] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22525] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22525] exit_group(0)               = ?
[pid 22525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21671", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21671/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21671/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21671")                        = 0
mkdir("./21672", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22526 attached
, child_tidptr=0x55558cab0650) = 22526
[pid 22526] set_robust_list(0x55558cab0660, 24) = 0
[pid 22526] chdir("./21672")            = 0
[pid 22526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22526] setpgid(0, 0)               = 0
[pid 22526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22526] write(3, "1000", 4)         = 4
[pid 22526] close(3)                    = 0
[pid 22526] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22526] write(1, "executing program\n", 18executing program
) = 18
[pid 22526] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22526] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22526] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22526] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22526] exit_group(0)               = ?
[pid 22526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21672", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21672/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21672/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21672")                        = 0
mkdir("./21673", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22527
./strace-static-x86_64: Process 22527 attached
[pid 22527] set_robust_list(0x55558cab0660, 24) = 0
[pid 22527] chdir("./21673")            = 0
[pid 22527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22527] setpgid(0, 0)               = 0
[pid 22527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22527] write(3, "1000", 4)         = 4
[pid 22527] close(3)                    = 0
[pid 22527] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22527] write(1, "executing program\n", 18) = 18
[pid 22527] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22527] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22527] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22527] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22527] exit_group(0)               = ?
[pid 22527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21673", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21673/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21673/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21673")                        = 0
mkdir("./21674", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22528
./strace-static-x86_64: Process 22528 attached
[pid 22528] set_robust_list(0x55558cab0660, 24) = 0
[pid 22528] chdir("./21674")            = 0
[pid 22528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22528] setpgid(0, 0)               = 0
[pid 22528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22528] write(3, "1000", 4)         = 4
[pid 22528] close(3)                    = 0
[pid 22528] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22528] write(1, "executing program\n", 18) = 18
[pid 22528] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22528] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22528] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22528] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22528] exit_group(0)               = ?
[pid 22528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21674", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21674/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21674/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21674")                        = 0
mkdir("./21675", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22529 attached
, child_tidptr=0x55558cab0650) = 22529
[pid 22529] set_robust_list(0x55558cab0660, 24) = 0
[pid 22529] chdir("./21675")            = 0
[pid 22529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22529] setpgid(0, 0)               = 0
[pid 22529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22529] write(3, "1000", 4)         = 4
[pid 22529] close(3)                    = 0
[pid 22529] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22529] write(1, "executing program\n", 18) = 18
[pid 22529] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22529] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22529] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22529] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22529] exit_group(0)               = ?
[pid 22529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21675", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21675/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21675/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21675")                        = 0
mkdir("./21676", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22530 attached
, child_tidptr=0x55558cab0650) = 22530
[pid 22530] set_robust_list(0x55558cab0660, 24) = 0
[pid 22530] chdir("./21676")            = 0
[pid 22530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22530] setpgid(0, 0)               = 0
[pid 22530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22530] write(3, "1000", 4)         = 4
[pid 22530] close(3)                    = 0
executing program
[pid 22530] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22530] write(1, "executing program\n", 18) = 18
[pid 22530] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22530] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22530] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22530] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22530] exit_group(0)               = ?
[pid 22530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21676", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21676/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21676/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21676")                        = 0
mkdir("./21677", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22531 attached
, child_tidptr=0x55558cab0650) = 22531
[pid 22531] set_robust_list(0x55558cab0660, 24) = 0
[pid 22531] chdir("./21677")            = 0
[pid 22531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22531] setpgid(0, 0)               = 0
[pid 22531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22531] write(3, "1000", 4)         = 4
[pid 22531] close(3)                    = 0
[pid 22531] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22531] write(1, "executing program\n", 18executing program
) = 18
[pid 22531] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22531] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22531] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22531] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22531] exit_group(0)               = ?
[pid 22531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21677", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21677/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21677/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21677")                        = 0
mkdir("./21678", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22532
./strace-static-x86_64: Process 22532 attached
[pid 22532] set_robust_list(0x55558cab0660, 24) = 0
[pid 22532] chdir("./21678")            = 0
[pid 22532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22532] setpgid(0, 0)               = 0
[pid 22532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22532] write(3, "1000", 4)         = 4
[pid 22532] close(3)                    = 0
[pid 22532] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22532] write(1, "executing program\n", 18executing program
) = 18
[pid 22532] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22532] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22532] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22532] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22532] exit_group(0)               = ?
[pid 22532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21678", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21678/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21678/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21678")                        = 0
mkdir("./21679", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22533 attached
, child_tidptr=0x55558cab0650) = 22533
[pid 22533] set_robust_list(0x55558cab0660, 24) = 0
[pid 22533] chdir("./21679")            = 0
[pid 22533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22533] setpgid(0, 0)               = 0
[pid 22533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22533] write(3, "1000", 4)         = 4
[pid 22533] close(3)                    = 0
[pid 22533] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22533] write(1, "executing program\n", 18) = 18
[pid 22533] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22533] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22533] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22533] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22533] exit_group(0)               = ?
[pid 22533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21679", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21679/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21679/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21679")                        = 0
mkdir("./21680", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22534
./strace-static-x86_64: Process 22534 attached
[pid 22534] set_robust_list(0x55558cab0660, 24) = 0
[pid 22534] chdir("./21680")            = 0
[pid 22534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22534] setpgid(0, 0)               = 0
[pid 22534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22534] write(3, "1000", 4)         = 4
[pid 22534] close(3)                    = 0
[pid 22534] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22534] write(1, "executing program\n", 18) = 18
[pid 22534] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22534] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22534] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22534] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22534] exit_group(0)               = ?
[pid 22534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21680", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21680/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21680/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21680")                        = 0
mkdir("./21681", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22535
./strace-static-x86_64: Process 22535 attached
[pid 22535] set_robust_list(0x55558cab0660, 24) = 0
[pid 22535] chdir("./21681")            = 0
[pid 22535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22535] setpgid(0, 0)               = 0
[pid 22535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22535] write(3, "1000", 4)         = 4
[pid 22535] close(3)                    = 0
[pid 22535] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22535] write(1, "executing program\n", 18) = 18
[pid 22535] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22535] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22535] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22535] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22535] exit_group(0)               = ?
[pid 22535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21681", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21681/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21681/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21681")                        = 0
mkdir("./21682", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22536
./strace-static-x86_64: Process 22536 attached
[pid 22536] set_robust_list(0x55558cab0660, 24) = 0
[pid 22536] chdir("./21682")            = 0
[pid 22536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22536] setpgid(0, 0)               = 0
[pid 22536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22536] write(3, "1000", 4)         = 4
[pid 22536] close(3)                    = 0
[pid 22536] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22536] write(1, "executing program\n", 18) = 18
[pid 22536] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22536] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22536] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22536] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22536] exit_group(0)               = ?
[pid 22536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21682", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21682/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21682/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21682")                        = 0
mkdir("./21683", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22537
./strace-static-x86_64: Process 22537 attached
[pid 22537] set_robust_list(0x55558cab0660, 24) = 0
[pid 22537] chdir("./21683")            = 0
[pid 22537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22537] setpgid(0, 0)               = 0
[pid 22537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22537] write(3, "1000", 4)         = 4
[pid 22537] close(3)                    = 0
[pid 22537] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22537] write(1, "executing program\n", 18) = 18
[pid 22537] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22537] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22537] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22537] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22537] exit_group(0)               = ?
[pid 22537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21683", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21683/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21683/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21683")                        = 0
mkdir("./21684", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22538
./strace-static-x86_64: Process 22538 attached
[pid 22538] set_robust_list(0x55558cab0660, 24) = 0
[pid 22538] chdir("./21684")            = 0
[pid 22538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22538] setpgid(0, 0)               = 0
[pid 22538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22538] write(3, "1000", 4)         = 4
[pid 22538] close(3)                    = 0
[pid 22538] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22538] write(1, "executing program\n", 18) = 18
[pid 22538] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22538] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22538] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22538] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22538] exit_group(0)               = ?
[pid 22538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21684", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21684/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21684/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21684")                        = 0
mkdir("./21685", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22540
./strace-static-x86_64: Process 22540 attached
[pid 22540] set_robust_list(0x55558cab0660, 24) = 0
[pid 22540] chdir("./21685")            = 0
[pid 22540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22540] setpgid(0, 0)               = 0
[pid 22540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22540] write(3, "1000", 4)         = 4
[pid 22540] close(3)                    = 0
[pid 22540] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22540] write(1, "executing program\n", 18executing program
) = 18
[pid 22540] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22540] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22540] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22540] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22540] exit_group(0)               = ?
[pid 22540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21685", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21685/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21685/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21685")                        = 0
mkdir("./21686", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22541
./strace-static-x86_64: Process 22541 attached
[pid 22541] set_robust_list(0x55558cab0660, 24) = 0
[pid 22541] chdir("./21686")            = 0
[pid 22541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22541] setpgid(0, 0)               = 0
[pid 22541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22541] write(3, "1000", 4)         = 4
[pid 22541] close(3)                    = 0
[pid 22541] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22541] write(1, "executing program\n", 18executing program
) = 18
[pid 22541] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22541] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22541] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22541] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22541] exit_group(0)               = ?
[pid 22541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21686", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21686/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21686/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21686")                        = 0
mkdir("./21687", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22542 attached
, child_tidptr=0x55558cab0650) = 22542
[pid 22542] set_robust_list(0x55558cab0660, 24) = 0
[pid 22542] chdir("./21687")            = 0
[pid 22542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22542] setpgid(0, 0)               = 0
[pid 22542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22542] write(3, "1000", 4)         = 4
[pid 22542] close(3)                    = 0
[pid 22542] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22542] write(1, "executing program\n", 18) = 18
[pid 22542] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22542] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22542] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22542] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22542] exit_group(0)               = ?
[pid 22542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21687", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21687/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21687/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21687")                        = 0
mkdir("./21688", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22543
./strace-static-x86_64: Process 22543 attached
[pid 22543] set_robust_list(0x55558cab0660, 24) = 0
[pid 22543] chdir("./21688")            = 0
[pid 22543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22543] setpgid(0, 0)               = 0
[pid 22543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22543] write(3, "1000", 4)         = 4
[pid 22543] close(3)                    = 0
[pid 22543] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22543] write(1, "executing program\n", 18) = 18
[pid 22543] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22543] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22543] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22543] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22543] exit_group(0)               = ?
[pid 22543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21688", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21688/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21688/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21688")                        = 0
mkdir("./21689", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22544 attached
 <unfinished ...>
[pid 22544] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22544
[pid 22544] chdir("./21689")            = 0
[pid 22544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22544] setpgid(0, 0)               = 0
[pid 22544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22544] write(3, "1000", 4)         = 4
[pid 22544] close(3)                    = 0
[pid 22544] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22544] write(1, "executing program\n", 18executing program
) = 18
[pid 22544] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22544] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22544] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22544] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22544] exit_group(0)               = ?
[pid 22544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21689", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21689/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21689/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21689")                        = 0
mkdir("./21690", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22545
./strace-static-x86_64: Process 22545 attached
[pid 22545] set_robust_list(0x55558cab0660, 24) = 0
[pid 22545] chdir("./21690")            = 0
[pid 22545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22545] setpgid(0, 0)               = 0
[pid 22545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22545] write(3, "1000", 4)         = 4
[pid 22545] close(3)                    = 0
[pid 22545] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22545] write(1, "executing program\n", 18) = 18
[pid 22545] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22545] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22545] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22545] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22545] exit_group(0)               = ?
[pid 22545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21690", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21690/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21690/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21690")                        = 0
mkdir("./21691", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22546
./strace-static-x86_64: Process 22546 attached
[pid 22546] set_robust_list(0x55558cab0660, 24) = 0
[pid 22546] chdir("./21691")            = 0
[pid 22546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22546] setpgid(0, 0)               = 0
[pid 22546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22546] write(3, "1000", 4)         = 4
[pid 22546] close(3)                    = 0
[pid 22546] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22546] write(1, "executing program\n", 18executing program
) = 18
[pid 22546] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22546] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22546] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22546] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22546] exit_group(0)               = ?
[pid 22546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21691", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21691/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21691/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21691")                        = 0
mkdir("./21692", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22547
./strace-static-x86_64: Process 22547 attached
[pid 22547] set_robust_list(0x55558cab0660, 24) = 0
[pid 22547] chdir("./21692")            = 0
[pid 22547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22547] setpgid(0, 0)               = 0
[pid 22547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22547] write(3, "1000", 4)         = 4
[pid 22547] close(3)                    = 0
[pid 22547] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22547] write(1, "executing program\n", 18) = 18
[pid 22547] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22547] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22547] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22547] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22547] exit_group(0)               = ?
[pid 22547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21692", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21692/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21692/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21692")                        = 0
mkdir("./21693", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22548
./strace-static-x86_64: Process 22548 attached
[pid 22548] set_robust_list(0x55558cab0660, 24) = 0
[pid 22548] chdir("./21693")            = 0
[pid 22548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22548] setpgid(0, 0)               = 0
[pid 22548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22548] write(3, "1000", 4)         = 4
[pid 22548] close(3)                    = 0
[pid 22548] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22548] write(1, "executing program\n", 18executing program
) = 18
[pid 22548] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22548] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22548] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22548] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22548] exit_group(0)               = ?
[pid 22548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21693", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21693/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21693/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21693")                        = 0
mkdir("./21694", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22549 attached
, child_tidptr=0x55558cab0650) = 22549
[pid 22549] set_robust_list(0x55558cab0660, 24) = 0
[pid 22549] chdir("./21694")            = 0
[pid 22549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22549] setpgid(0, 0)               = 0
[pid 22549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22549] write(3, "1000", 4)         = 4
[pid 22549] close(3)                    = 0
[pid 22549] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22549] write(1, "executing program\n", 18) = 18
[pid 22549] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22549] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22549] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22549] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22549] exit_group(0)               = ?
[pid 22549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21694", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21694/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21694/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21694")                        = 0
mkdir("./21695", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22550 attached
, child_tidptr=0x55558cab0650) = 22550
[pid 22550] set_robust_list(0x55558cab0660, 24) = 0
[pid 22550] chdir("./21695")            = 0
[pid 22550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22550] setpgid(0, 0)               = 0
[pid 22550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22550] write(3, "1000", 4)         = 4
[pid 22550] close(3)                    = 0
[pid 22550] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22550] write(1, "executing program\n", 18) = 18
[pid 22550] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22550] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22550] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22550] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22550] exit_group(0)               = ?
[pid 22550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21695", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21695/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21695/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21695")                        = 0
mkdir("./21696", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22551
./strace-static-x86_64: Process 22551 attached
[pid 22551] set_robust_list(0x55558cab0660, 24) = 0
[pid 22551] chdir("./21696")            = 0
[pid 22551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22551] setpgid(0, 0)               = 0
[pid 22551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22551] write(3, "1000", 4)         = 4
[pid 22551] close(3)                    = 0
[pid 22551] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22551] write(1, "executing program\n", 18) = 18
[pid 22551] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22551] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22551] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22551] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22551] exit_group(0)               = ?
[pid 22551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21696", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21696/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21696/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21696")                        = 0
mkdir("./21697", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22552 attached
, child_tidptr=0x55558cab0650) = 22552
[pid 22552] set_robust_list(0x55558cab0660, 24) = 0
[pid 22552] chdir("./21697")            = 0
[pid 22552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22552] setpgid(0, 0)               = 0
[pid 22552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22552] write(3, "1000", 4)         = 4
[pid 22552] close(3)                    = 0
[pid 22552] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22552] write(1, "executing program\n", 18) = 18
[pid 22552] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22552] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22552] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22552] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22552] exit_group(0)               = ?
[pid 22552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21697", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21697/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21697/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21697")                        = 0
mkdir("./21698", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22553 attached
, child_tidptr=0x55558cab0650) = 22553
[pid 22553] set_robust_list(0x55558cab0660, 24) = 0
[pid 22553] chdir("./21698")            = 0
[pid 22553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22553] setpgid(0, 0)               = 0
[pid 22553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22553] write(3, "1000", 4)         = 4
[pid 22553] close(3)                    = 0
[pid 22553] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22553] write(1, "executing program\n", 18) = 18
[pid 22553] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22553] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22553] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22553] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22553] exit_group(0)               = ?
[pid 22553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21698", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21698/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21698/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21698")                        = 0
mkdir("./21699", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22554 attached
, child_tidptr=0x55558cab0650) = 22554
[pid 22554] set_robust_list(0x55558cab0660, 24) = 0
[pid 22554] chdir("./21699")            = 0
[pid 22554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22554] setpgid(0, 0)               = 0
[pid 22554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22554] write(3, "1000", 4)         = 4
[pid 22554] close(3)                    = 0
[pid 22554] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22554] write(1, "executing program\n", 18executing program
) = 18
[pid 22554] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22554] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22554] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22554] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22554] exit_group(0)               = ?
[pid 22554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21699", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21699/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21699/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21699")                        = 0
mkdir("./21700", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22555
./strace-static-x86_64: Process 22555 attached
[pid 22555] set_robust_list(0x55558cab0660, 24) = 0
[pid 22555] chdir("./21700")            = 0
[pid 22555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22555] setpgid(0, 0)               = 0
[pid 22555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22555] write(3, "1000", 4)         = 4
[pid 22555] close(3)                    = 0
[pid 22555] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22555] write(1, "executing program\n", 18executing program
) = 18
[pid 22555] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22555] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22555] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22555] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22555] exit_group(0)               = ?
[pid 22555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21700", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21700/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21700/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21700")                        = 0
mkdir("./21701", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22556 attached
, child_tidptr=0x55558cab0650) = 22556
[pid 22556] set_robust_list(0x55558cab0660, 24) = 0
[pid 22556] chdir("./21701")            = 0
[pid 22556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22556] setpgid(0, 0)               = 0
[pid 22556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22556] write(3, "1000", 4)         = 4
[pid 22556] close(3)                    = 0
[pid 22556] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22556] write(1, "executing program\n", 18executing program
) = 18
[pid 22556] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22556] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22556] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22556] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22556] exit_group(0)               = ?
[pid 22556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21701", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21701/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21701/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21701")                        = 0
mkdir("./21702", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22557
./strace-static-x86_64: Process 22557 attached
[pid 22557] set_robust_list(0x55558cab0660, 24) = 0
[pid 22557] chdir("./21702")            = 0
[pid 22557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22557] setpgid(0, 0)               = 0
[pid 22557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22557] write(3, "1000", 4)         = 4
[pid 22557] close(3)                    = 0
[pid 22557] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22557] write(1, "executing program\n", 18executing program
) = 18
[pid 22557] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22557] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22557] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22557] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22557] exit_group(0)               = ?
[pid 22557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21702", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21702/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21702/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21702")                        = 0
mkdir("./21703", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22558 attached
, child_tidptr=0x55558cab0650) = 22558
[pid 22558] set_robust_list(0x55558cab0660, 24) = 0
[pid 22558] chdir("./21703")            = 0
[pid 22558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22558] setpgid(0, 0)               = 0
[pid 22558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22558] write(3, "1000", 4)         = 4
[pid 22558] close(3)                    = 0
[pid 22558] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22558] write(1, "executing program\n", 18executing program
) = 18
[pid 22558] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22558] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22558] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22558] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22558] exit_group(0)               = ?
[pid 22558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21703", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21703/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21703/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21703")                        = 0
mkdir("./21704", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22559 attached
, child_tidptr=0x55558cab0650) = 22559
[pid 22559] set_robust_list(0x55558cab0660, 24) = 0
[pid 22559] chdir("./21704")            = 0
[pid 22559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22559] setpgid(0, 0)               = 0
[pid 22559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22559] write(3, "1000", 4)         = 4
[pid 22559] close(3)                    = 0
[pid 22559] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22559] write(1, "executing program\n", 18) = 18
[pid 22559] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22559] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22559] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22559] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22559] exit_group(0)               = ?
[pid 22559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21704", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21704/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21704/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21704")                        = 0
mkdir("./21705", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22560
./strace-static-x86_64: Process 22560 attached
[pid 22560] set_robust_list(0x55558cab0660, 24) = 0
[pid 22560] chdir("./21705")            = 0
[pid 22560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22560] setpgid(0, 0)               = 0
[pid 22560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22560] write(3, "1000", 4)         = 4
[pid 22560] close(3)                    = 0
[pid 22560] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22560] write(1, "executing program\n", 18) = 18
[pid 22560] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22560] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22560] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22560] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22560] exit_group(0)               = ?
[pid 22560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21705", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21705/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21705/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21705")                        = 0
mkdir("./21706", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22561 attached
, child_tidptr=0x55558cab0650) = 22561
[pid 22561] set_robust_list(0x55558cab0660, 24) = 0
[pid 22561] chdir("./21706")            = 0
[pid 22561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22561] setpgid(0, 0)               = 0
[pid 22561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22561] write(3, "1000", 4)         = 4
[pid 22561] close(3)                    = 0
[pid 22561] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22561] write(1, "executing program\n", 18) = 18
[pid 22561] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22561] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22561] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22561] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22561] exit_group(0)               = ?
[pid 22561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21706", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21706/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21706/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21706")                        = 0
mkdir("./21707", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22562
./strace-static-x86_64: Process 22562 attached
[pid 22562] set_robust_list(0x55558cab0660, 24) = 0
[pid 22562] chdir("./21707")            = 0
[pid 22562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22562] setpgid(0, 0)               = 0
[pid 22562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22562] write(3, "1000", 4)         = 4
[pid 22562] close(3)                    = 0
[pid 22562] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22562] write(1, "executing program\n", 18) = 18
[pid 22562] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22562] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22562] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22562] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22562] exit_group(0)               = ?
[pid 22562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21707", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21707/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21707/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21707")                        = 0
mkdir("./21708", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22563
./strace-static-x86_64: Process 22563 attached
[pid 22563] set_robust_list(0x55558cab0660, 24) = 0
[pid 22563] chdir("./21708")            = 0
[pid 22563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22563] setpgid(0, 0)               = 0
[pid 22563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22563] write(3, "1000", 4)         = 4
[pid 22563] close(3)                    = 0
[pid 22563] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22563] write(1, "executing program\n", 18) = 18
[pid 22563] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22563] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22563] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22563] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22563] exit_group(0)               = ?
[pid 22563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21708", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21708/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21708/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21708")                        = 0
mkdir("./21709", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22564
./strace-static-x86_64: Process 22564 attached
[pid 22564] set_robust_list(0x55558cab0660, 24) = 0
[pid 22564] chdir("./21709")            = 0
[pid 22564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22564] setpgid(0, 0)               = 0
[pid 22564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22564] write(3, "1000", 4)         = 4
[pid 22564] close(3)                    = 0
[pid 22564] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22564] write(1, "executing program\n", 18executing program
) = 18
[pid 22564] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22564] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22564] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22564] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22564] exit_group(0)               = ?
[pid 22564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21709", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21709/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21709/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21709")                        = 0
mkdir("./21710", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22565
./strace-static-x86_64: Process 22565 attached
[pid 22565] set_robust_list(0x55558cab0660, 24) = 0
[pid 22565] chdir("./21710")            = 0
[pid 22565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22565] setpgid(0, 0)               = 0
[pid 22565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22565] write(3, "1000", 4)         = 4
[pid 22565] close(3)                    = 0
[pid 22565] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22565] write(1, "executing program\n", 18) = 18
[pid 22565] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22565] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22565] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22565] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22565] exit_group(0)               = ?
[pid 22565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21710", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21710/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21710/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21710")                        = 0
mkdir("./21711", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22566
./strace-static-x86_64: Process 22566 attached
[pid 22566] set_robust_list(0x55558cab0660, 24) = 0
[pid 22566] chdir("./21711")            = 0
[pid 22566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22566] setpgid(0, 0)               = 0
[pid 22566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22566] write(3, "1000", 4)         = 4
[pid 22566] close(3)                    = 0
[pid 22566] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22566] write(1, "executing program\n", 18) = 18
[pid 22566] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22566] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22566] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22566] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22566] exit_group(0)               = ?
[pid 22566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21711", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21711/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21711/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21711")                        = 0
mkdir("./21712", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22567 attached
, child_tidptr=0x55558cab0650) = 22567
[pid 22567] set_robust_list(0x55558cab0660, 24) = 0
[pid 22567] chdir("./21712")            = 0
[pid 22567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22567] setpgid(0, 0)               = 0
[pid 22567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22567] write(3, "1000", 4)         = 4
[pid 22567] close(3)                    = 0
[pid 22567] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22567] write(1, "executing program\n", 18executing program
) = 18
[pid 22567] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22567] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22567] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22567] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22567] exit_group(0)               = ?
[pid 22567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21712", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21712/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21712/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21712")                        = 0
mkdir("./21713", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22568 attached
, child_tidptr=0x55558cab0650) = 22568
[pid 22568] set_robust_list(0x55558cab0660, 24) = 0
[pid 22568] chdir("./21713")            = 0
[pid 22568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22568] setpgid(0, 0)               = 0
[pid 22568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22568] write(3, "1000", 4)         = 4
[pid 22568] close(3)                    = 0
[pid 22568] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22568] write(1, "executing program\n", 18executing program
) = 18
[pid 22568] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22568] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22568] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22568] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22568] exit_group(0)               = ?
[pid 22568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21713", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21713/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21713/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21713")                        = 0
mkdir("./21714", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22569 attached
, child_tidptr=0x55558cab0650) = 22569
[pid 22569] set_robust_list(0x55558cab0660, 24) = 0
[pid 22569] chdir("./21714")            = 0
[pid 22569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22569] setpgid(0, 0)               = 0
[pid 22569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22569] write(3, "1000", 4)         = 4
[pid 22569] close(3)                    = 0
[pid 22569] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22569] write(1, "executing program\n", 18executing program
) = 18
[pid 22569] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22569] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22569] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22569] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22569] exit_group(0)               = ?
[pid 22569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21714", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21714/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21714/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21714")                        = 0
mkdir("./21715", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22570
./strace-static-x86_64: Process 22570 attached
[pid 22570] set_robust_list(0x55558cab0660, 24) = 0
[pid 22570] chdir("./21715")            = 0
[pid 22570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22570] setpgid(0, 0)               = 0
[pid 22570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22570] write(3, "1000", 4)         = 4
[pid 22570] close(3)                    = 0
[pid 22570] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22570] write(1, "executing program\n", 18) = 18
[pid 22570] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22570] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22570] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22570] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22570] exit_group(0)               = ?
[pid 22570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21715", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21715/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21715/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21715")                        = 0
mkdir("./21716", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22571
./strace-static-x86_64: Process 22571 attached
[pid 22571] set_robust_list(0x55558cab0660, 24) = 0
[pid 22571] chdir("./21716")            = 0
[pid 22571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22571] setpgid(0, 0)               = 0
[pid 22571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22571] write(3, "1000", 4)         = 4
[pid 22571] close(3)                    = 0
[pid 22571] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22571] write(1, "executing program\n", 18) = 18
[pid 22571] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22571] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22571] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22571] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22571] exit_group(0)               = ?
[pid 22571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21716", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21716/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21716/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21716")                        = 0
mkdir("./21717", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22572 attached
, child_tidptr=0x55558cab0650) = 22572
[pid 22572] set_robust_list(0x55558cab0660, 24) = 0
[pid 22572] chdir("./21717")            = 0
[pid 22572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22572] setpgid(0, 0)               = 0
[pid 22572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22572] write(3, "1000", 4)         = 4
[pid 22572] close(3)                    = 0
[pid 22572] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22572] write(1, "executing program\n", 18) = 18
[pid 22572] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22572] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22572] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22572] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22572] exit_group(0)               = ?
[pid 22572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21717", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21717/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21717/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21717")                        = 0
mkdir("./21718", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22573 attached
, child_tidptr=0x55558cab0650) = 22573
[pid 22573] set_robust_list(0x55558cab0660, 24) = 0
[pid 22573] chdir("./21718")            = 0
[pid 22573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22573] setpgid(0, 0)               = 0
[pid 22573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22573] write(3, "1000", 4)         = 4
[pid 22573] close(3)                    = 0
[pid 22573] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22573] write(1, "executing program\n", 18executing program
) = 18
[pid 22573] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22573] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22573] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22573] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22573] exit_group(0)               = ?
[pid 22573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21718", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21718/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21718/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21718")                        = 0
mkdir("./21719", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 22574 attached
, child_tidptr=0x55558cab0650) = 22574
[pid 22574] set_robust_list(0x55558cab0660, 24) = 0
[pid 22574] chdir("./21719")            = 0
[pid 22574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22574] setpgid(0, 0)               = 0
[pid 22574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22574] write(3, "1000", 4)         = 4
[pid 22574] close(3)                    = 0
[pid 22574] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22574] write(1, "executing program\n", 18) = 18
[pid 22574] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22574] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22574] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22574] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22574] exit_group(0)               = ?
[pid 22574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21719", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21719/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21719/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21719")                        = 0
mkdir("./21720", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22575 attached
, child_tidptr=0x55558cab0650) = 22575
[pid 22575] set_robust_list(0x55558cab0660, 24) = 0
[pid 22575] chdir("./21720")            = 0
[pid 22575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22575] setpgid(0, 0)               = 0
[pid 22575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22575] write(3, "1000", 4)         = 4
[pid 22575] close(3)                    = 0
[pid 22575] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22575] write(1, "executing program\n", 18) = 18
[pid 22575] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22575] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22575] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22575] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22575] exit_group(0)               = ?
[pid 22575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21720", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21720/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21720/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21720")                        = 0
mkdir("./21721", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22576 attached
, child_tidptr=0x55558cab0650) = 22576
[pid 22576] set_robust_list(0x55558cab0660, 24) = 0
[pid 22576] chdir("./21721")            = 0
[pid 22576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22576] setpgid(0, 0)               = 0
[pid 22576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22576] write(3, "1000", 4)         = 4
[pid 22576] close(3)                    = 0
[pid 22576] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22576] write(1, "executing program\n", 18) = 18
[pid 22576] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22576] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22576] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22576] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22576] exit_group(0)               = ?
[pid 22576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21721", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21721/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21721/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21721")                        = 0
mkdir("./21722", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22577
./strace-static-x86_64: Process 22577 attached
[pid 22577] set_robust_list(0x55558cab0660, 24) = 0
[pid 22577] chdir("./21722")            = 0
[pid 22577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22577] setpgid(0, 0)               = 0
[pid 22577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22577] write(3, "1000", 4)         = 4
[pid 22577] close(3)                    = 0
[pid 22577] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22577] write(1, "executing program\n", 18) = 18
[pid 22577] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22577] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22577] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22577] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22577] exit_group(0)               = ?
[pid 22577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21722", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21722/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21722/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21722")                        = 0
mkdir("./21723", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22578
./strace-static-x86_64: Process 22578 attached
[pid 22578] set_robust_list(0x55558cab0660, 24) = 0
[pid 22578] chdir("./21723")            = 0
[pid 22578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22578] setpgid(0, 0)               = 0
[pid 22578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22578] write(3, "1000", 4)         = 4
[pid 22578] close(3)                    = 0
[pid 22578] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22578] write(1, "executing program\n", 18) = 18
[pid 22578] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22578] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22578] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22578] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22578] exit_group(0)               = ?
[pid 22578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21723", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21723/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21723/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21723")                        = 0
mkdir("./21724", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22579 attached
, child_tidptr=0x55558cab0650) = 22579
[pid 22579] set_robust_list(0x55558cab0660, 24) = 0
[pid 22579] chdir("./21724")            = 0
[pid 22579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22579] setpgid(0, 0)               = 0
[pid 22579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22579] write(3, "1000", 4)         = 4
[pid 22579] close(3)                    = 0
[pid 22579] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22579] write(1, "executing program\n", 18) = 18
[pid 22579] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22579] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22579] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22579] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22579] exit_group(0)               = ?
[pid 22579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21724", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21724/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21724")                        = 0
mkdir("./21725", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22580 attached
, child_tidptr=0x55558cab0650) = 22580
[pid 22580] set_robust_list(0x55558cab0660, 24) = 0
[pid 22580] chdir("./21725")            = 0
[pid 22580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22580] setpgid(0, 0)               = 0
[pid 22580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22580] write(3, "1000", 4)         = 4
[pid 22580] close(3)                    = 0
[pid 22580] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22580] write(1, "executing program\n", 18executing program
) = 18
[pid 22580] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22580] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22580] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22580] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22580] exit_group(0)               = ?
[pid 22580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21725", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21725/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21725/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21725")                        = 0
mkdir("./21726", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22581
./strace-static-x86_64: Process 22581 attached
[pid 22581] set_robust_list(0x55558cab0660, 24) = 0
[pid 22581] chdir("./21726")            = 0
[pid 22581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22581] setpgid(0, 0)               = 0
[pid 22581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22581] write(3, "1000", 4)         = 4
[pid 22581] close(3)                    = 0
[pid 22581] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22581] write(1, "executing program\n", 18) = 18
[pid 22581] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22581] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22581] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22581] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22581] exit_group(0)               = ?
[pid 22581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21726", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21726/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21726/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21726")                        = 0
mkdir("./21727", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22582 attached
, child_tidptr=0x55558cab0650) = 22582
[pid 22582] set_robust_list(0x55558cab0660, 24) = 0
[pid 22582] chdir("./21727")            = 0
[pid 22582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22582] setpgid(0, 0)               = 0
[pid 22582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22582] write(3, "1000", 4)         = 4
[pid 22582] close(3)                    = 0
[pid 22582] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22582] write(1, "executing program\n", 18) = 18
[pid 22582] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22582] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22582] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22582] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22582] exit_group(0)               = ?
[pid 22582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21727", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21727/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21727/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21727")                        = 0
mkdir("./21728", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22583 attached
 <unfinished ...>
[pid 22583] set_robust_list(0x55558cab0660, 24 <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22583
[pid 22583] <... set_robust_list resumed>) = 0
[pid 22583] chdir("./21728")            = 0
[pid 22583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22583] setpgid(0, 0)               = 0
[pid 22583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22583] write(3, "1000", 4)         = 4
[pid 22583] close(3)                    = 0
[pid 22583] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22583] write(1, "executing program\n", 18) = 18
[pid 22583] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22583] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22583] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22583] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22583] exit_group(0)               = ?
[pid 22583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21728", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21728/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21728/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21728")                        = 0
mkdir("./21729", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22584 attached
, child_tidptr=0x55558cab0650) = 22584
[pid 22584] set_robust_list(0x55558cab0660, 24) = 0
[pid 22584] chdir("./21729")            = 0
[pid 22584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22584] setpgid(0, 0)               = 0
[pid 22584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22584] write(3, "1000", 4)         = 4
[pid 22584] close(3)                    = 0
[pid 22584] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22584] write(1, "executing program\n", 18) = 18
[pid 22584] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22584] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22584] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22584] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22584] exit_group(0)               = ?
[pid 22584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21729", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21729/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21729/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21729")                        = 0
mkdir("./21730", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22585
./strace-static-x86_64: Process 22585 attached
[pid 22585] set_robust_list(0x55558cab0660, 24) = 0
[pid 22585] chdir("./21730")            = 0
[pid 22585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22585] setpgid(0, 0)               = 0
[pid 22585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22585] write(3, "1000", 4)         = 4
[pid 22585] close(3)                    = 0
[pid 22585] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22585] write(1, "executing program\n", 18) = 18
[pid 22585] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22585] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22585] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22585] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22585] exit_group(0)               = ?
[pid 22585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21730", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21730/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21730/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21730")                        = 0
mkdir("./21731", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22586
./strace-static-x86_64: Process 22586 attached
[pid 22586] set_robust_list(0x55558cab0660, 24) = 0
[pid 22586] chdir("./21731")            = 0
[pid 22586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22586] setpgid(0, 0)               = 0
[pid 22586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22586] write(3, "1000", 4)         = 4
[pid 22586] close(3)                    = 0
[pid 22586] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22586] write(1, "executing program\n", 18executing program
) = 18
[pid 22586] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22586] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22586] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22586] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22586] exit_group(0)               = ?
[pid 22586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21731", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21731/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21731")                        = 0
mkdir("./21732", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22587
./strace-static-x86_64: Process 22587 attached
[pid 22587] set_robust_list(0x55558cab0660, 24) = 0
[pid 22587] chdir("./21732")            = 0
[pid 22587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22587] setpgid(0, 0)               = 0
[pid 22587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22587] write(3, "1000", 4)         = 4
[pid 22587] close(3)                    = 0
[pid 22587] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22587] write(1, "executing program\n", 18) = 18
[pid 22587] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22587] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22587] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22587] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22587] exit_group(0)               = ?
[pid 22587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21732", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21732/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21732/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21732")                        = 0
mkdir("./21733", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22588
./strace-static-x86_64: Process 22588 attached
[pid 22588] set_robust_list(0x55558cab0660, 24) = 0
[pid 22588] chdir("./21733")            = 0
[pid 22588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22588] setpgid(0, 0)               = 0
[pid 22588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22588] write(3, "1000", 4)         = 4
[pid 22588] close(3)                    = 0
[pid 22588] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22588] write(1, "executing program\n", 18executing program
) = 18
[pid 22588] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22588] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22588] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22588] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22588] exit_group(0)               = ?
[pid 22588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21733", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21733/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21733/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21733")                        = 0
mkdir("./21734", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22589
./strace-static-x86_64: Process 22589 attached
[pid 22589] set_robust_list(0x55558cab0660, 24) = 0
[pid 22589] chdir("./21734")            = 0
[pid 22589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22589] setpgid(0, 0)               = 0
[pid 22589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22589] write(3, "1000", 4)         = 4
[pid 22589] close(3)                    = 0
[pid 22589] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22589] write(1, "executing program\n", 18executing program
) = 18
[pid 22589] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22589] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22589] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22589] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22589] exit_group(0)               = ?
[pid 22589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21734", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21734/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21734/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21734")                        = 0
mkdir("./21735", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22590
./strace-static-x86_64: Process 22590 attached
[pid 22590] set_robust_list(0x55558cab0660, 24) = 0
[pid 22590] chdir("./21735")            = 0
[pid 22590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22590] setpgid(0, 0)               = 0
[pid 22590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22590] write(3, "1000", 4)         = 4
[pid 22590] close(3)                    = 0
[pid 22590] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22590] write(1, "executing program\n", 18executing program
) = 18
[pid 22590] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22590] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22590] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22590] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22590] exit_group(0)               = ?
[pid 22590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21735", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21735/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21735/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21735")                        = 0
mkdir("./21736", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22591
./strace-static-x86_64: Process 22591 attached
[pid 22591] set_robust_list(0x55558cab0660, 24) = 0
[pid 22591] chdir("./21736")            = 0
[pid 22591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22591] setpgid(0, 0)               = 0
[pid 22591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22591] write(3, "1000", 4)         = 4
[pid 22591] close(3)                    = 0
[pid 22591] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22591] write(1, "executing program\n", 18) = 18
[pid 22591] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22591] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22591] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22591] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22591] exit_group(0)               = ?
[pid 22591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21736", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21736/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21736/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21736")                        = 0
mkdir("./21737", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22592 attached
, child_tidptr=0x55558cab0650) = 22592
[pid 22592] set_robust_list(0x55558cab0660, 24) = 0
[pid 22592] chdir("./21737")            = 0
[pid 22592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22592] setpgid(0, 0)               = 0
[pid 22592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22592] write(3, "1000", 4)         = 4
[pid 22592] close(3)                    = 0
[pid 22592] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22592] write(1, "executing program\n", 18executing program
) = 18
[pid 22592] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22592] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22592] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22592] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22592] exit_group(0)               = ?
[pid 22592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21737", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21737/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21737/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21737")                        = 0
mkdir("./21738", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22593 attached
, child_tidptr=0x55558cab0650) = 22593
[pid 22593] set_robust_list(0x55558cab0660, 24) = 0
[pid 22593] chdir("./21738")            = 0
[pid 22593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22593] setpgid(0, 0)               = 0
[pid 22593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22593] write(3, "1000", 4)         = 4
[pid 22593] close(3)                    = 0
[pid 22593] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22593] write(1, "executing program\n", 18executing program
) = 18
[pid 22593] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22593] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22593] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22593] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22593] exit_group(0)               = ?
[pid 22593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21738", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21738/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21738/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21738")                        = 0
mkdir("./21739", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22594 attached
, child_tidptr=0x55558cab0650) = 22594
[pid 22594] set_robust_list(0x55558cab0660, 24) = 0
[pid 22594] chdir("./21739")            = 0
[pid 22594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22594] setpgid(0, 0)               = 0
[pid 22594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22594] write(3, "1000", 4)         = 4
[pid 22594] close(3)                    = 0
[pid 22594] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22594] write(1, "executing program\n", 18executing program
) = 18
[pid 22594] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22594] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22594] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22594] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22594] exit_group(0)               = ?
[pid 22594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21739", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21739/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21739/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21739")                        = 0
mkdir("./21740", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22595
./strace-static-x86_64: Process 22595 attached
[pid 22595] set_robust_list(0x55558cab0660, 24) = 0
[pid 22595] chdir("./21740")            = 0
[pid 22595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22595] setpgid(0, 0)               = 0
[pid 22595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22595] write(3, "1000", 4)         = 4
[pid 22595] close(3)                    = 0
[pid 22595] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22595] write(1, "executing program\n", 18) = 18
[pid 22595] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22595] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22595] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22595] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22595] exit_group(0)               = ?
[pid 22595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21740", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21740/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21740/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21740")                        = 0
mkdir("./21741", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22596
./strace-static-x86_64: Process 22596 attached
[pid 22596] set_robust_list(0x55558cab0660, 24) = 0
[pid 22596] chdir("./21741")            = 0
[pid 22596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22596] setpgid(0, 0)               = 0
[pid 22596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22596] write(3, "1000", 4)         = 4
[pid 22596] close(3)                    = 0
[pid 22596] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22596] write(1, "executing program\n", 18) = 18
[pid 22596] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22596] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22596] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22596] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22596] exit_group(0)               = ?
[pid 22596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21741", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21741/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21741/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21741")                        = 0
mkdir("./21742", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22597
./strace-static-x86_64: Process 22597 attached
[pid 22597] set_robust_list(0x55558cab0660, 24) = 0
[pid 22597] chdir("./21742")            = 0
[pid 22597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22597] setpgid(0, 0)               = 0
[pid 22597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22597] write(3, "1000", 4)         = 4
[pid 22597] close(3)                    = 0
[pid 22597] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22597] write(1, "executing program\n", 18executing program
) = 18
[pid 22597] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22597] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22597] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22597] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22597] exit_group(0)               = ?
[pid 22597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21742", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21742/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21742/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21742")                        = 0
mkdir("./21743", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22598 attached
 <unfinished ...>
[pid 22598] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22598
[pid 22598] chdir("./21743")            = 0
[pid 22598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22598] setpgid(0, 0)               = 0
[pid 22598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22598] write(3, "1000", 4)         = 4
[pid 22598] close(3)                    = 0
[pid 22598] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22598] write(1, "executing program\n", 18) = 18
[pid 22598] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22598] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22598] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22598] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22598] exit_group(0)               = ?
[pid 22598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21743", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21743/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21743/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21743")                        = 0
mkdir("./21744", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22599
./strace-static-x86_64: Process 22599 attached
[pid 22599] set_robust_list(0x55558cab0660, 24) = 0
[pid 22599] chdir("./21744")            = 0
[pid 22599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22599] setpgid(0, 0)               = 0
[pid 22599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22599] write(3, "1000", 4)         = 4
[pid 22599] close(3)                    = 0
[pid 22599] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22599] write(1, "executing program\n", 18) = 18
[pid 22599] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22599] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22599] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22599] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22599] exit_group(0)               = ?
[pid 22599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21744", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21744/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21744/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21744")                        = 0
mkdir("./21745", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22600
./strace-static-x86_64: Process 22600 attached
[pid 22600] set_robust_list(0x55558cab0660, 24) = 0
[pid 22600] chdir("./21745")            = 0
[pid 22600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22600] setpgid(0, 0)               = 0
[pid 22600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22600] write(3, "1000", 4)         = 4
[pid 22600] close(3)                    = 0
[pid 22600] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22600] write(1, "executing program\n", 18) = 18
[pid 22600] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22600] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22600] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22600] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22600] exit_group(0)               = ?
[pid 22600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21745", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21745/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21745/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21745")                        = 0
mkdir("./21746", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22601
./strace-static-x86_64: Process 22601 attached
[pid 22601] set_robust_list(0x55558cab0660, 24) = 0
[pid 22601] chdir("./21746")            = 0
[pid 22601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22601] setpgid(0, 0)               = 0
[pid 22601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22601] write(3, "1000", 4)         = 4
[pid 22601] close(3)                    = 0
[pid 22601] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22601] write(1, "executing program\n", 18) = 18
[pid 22601] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22601] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22601] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22601] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22601] exit_group(0)               = ?
[pid 22601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21746", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21746/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21746/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21746")                        = 0
mkdir("./21747", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22602 attached
, child_tidptr=0x55558cab0650) = 22602
[pid 22602] set_robust_list(0x55558cab0660, 24) = 0
[pid 22602] chdir("./21747")            = 0
[pid 22602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22602] setpgid(0, 0)               = 0
[pid 22602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22602] write(3, "1000", 4)         = 4
[pid 22602] close(3)                    = 0
[pid 22602] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22602] write(1, "executing program\n", 18executing program
) = 18
[pid 22602] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22602] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22602] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22602] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22602] exit_group(0)               = ?
[pid 22602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21747", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21747/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21747/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21747")                        = 0
mkdir("./21748", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22603 attached
, child_tidptr=0x55558cab0650) = 22603
[pid 22603] set_robust_list(0x55558cab0660, 24) = 0
[pid 22603] chdir("./21748")            = 0
[pid 22603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22603] setpgid(0, 0)               = 0
[pid 22603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22603] write(3, "1000", 4)         = 4
[pid 22603] close(3)                    = 0
[pid 22603] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22603] write(1, "executing program\n", 18executing program
) = 18
[pid 22603] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22603] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22603] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22603] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22603] exit_group(0)               = ?
[pid 22603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21748", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21748/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21748/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21748")                        = 0
mkdir("./21749", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22604 attached
, child_tidptr=0x55558cab0650) = 22604
[pid 22604] set_robust_list(0x55558cab0660, 24) = 0
[pid 22604] chdir("./21749")            = 0
[pid 22604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22604] setpgid(0, 0)               = 0
[pid 22604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22604] write(3, "1000", 4)         = 4
[pid 22604] close(3)                    = 0
[pid 22604] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22604] write(1, "executing program\n", 18) = 18
[pid 22604] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22604] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22604] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22604] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22604] exit_group(0)               = ?
[pid 22604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21749", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21749/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21749/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21749")                        = 0
mkdir("./21750", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22605 attached
, child_tidptr=0x55558cab0650) = 22605
[pid 22605] set_robust_list(0x55558cab0660, 24) = 0
[pid 22605] chdir("./21750")            = 0
[pid 22605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22605] setpgid(0, 0)               = 0
[pid 22605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22605] write(3, "1000", 4)         = 4
[pid 22605] close(3)                    = 0
[pid 22605] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22605] write(1, "executing program\n", 18) = 18
[pid 22605] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22605] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22605] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22605] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22605] exit_group(0)               = ?
[pid 22605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21750", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21750/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21750/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21750")                        = 0
mkdir("./21751", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22606 attached
, child_tidptr=0x55558cab0650) = 22606
[pid 22606] set_robust_list(0x55558cab0660, 24) = 0
[pid 22606] chdir("./21751")            = 0
[pid 22606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22606] setpgid(0, 0)               = 0
[pid 22606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22606] write(3, "1000", 4)         = 4
[pid 22606] close(3)                    = 0
[pid 22606] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22606] write(1, "executing program\n", 18) = 18
[pid 22606] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22606] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22606] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22606] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22606] exit_group(0)               = ?
[pid 22606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21751", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21751/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21751/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21751")                        = 0
mkdir("./21752", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22607 attached
, child_tidptr=0x55558cab0650) = 22607
[pid 22607] set_robust_list(0x55558cab0660, 24) = 0
[pid 22607] chdir("./21752")            = 0
[pid 22607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22607] setpgid(0, 0)               = 0
[pid 22607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22607] write(3, "1000", 4)         = 4
[pid 22607] close(3)                    = 0
[pid 22607] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22607] write(1, "executing program\n", 18) = 18
[pid 22607] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22607] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22607] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22607] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22607] exit_group(0)               = ?
[pid 22607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21752", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21752/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21752/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21752")                        = 0
mkdir("./21753", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22608 attached
, child_tidptr=0x55558cab0650) = 22608
[pid 22608] set_robust_list(0x55558cab0660, 24) = 0
[pid 22608] chdir("./21753")            = 0
[pid 22608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22608] setpgid(0, 0)               = 0
[pid 22608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22608] write(3, "1000", 4)         = 4
[pid 22608] close(3)                    = 0
[pid 22608] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22608] write(1, "executing program\n", 18executing program
) = 18
[pid 22608] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22608] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22608] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22608] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22608] exit_group(0)               = ?
[pid 22608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21753", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21753/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21753/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21753")                        = 0
mkdir("./21754", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22609 attached
, child_tidptr=0x55558cab0650) = 22609
[pid 22609] set_robust_list(0x55558cab0660, 24) = 0
[pid 22609] chdir("./21754")            = 0
[pid 22609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22609] setpgid(0, 0)               = 0
[pid 22609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22609] write(3, "1000", 4)         = 4
[pid 22609] close(3)                    = 0
[pid 22609] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22609] write(1, "executing program\n", 18) = 18
[pid 22609] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22609] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22609] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22609] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22609] exit_group(0)               = ?
[pid 22609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21754", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21754/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21754/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21754")                        = 0
mkdir("./21755", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22610 attached
, child_tidptr=0x55558cab0650) = 22610
[pid 22610] set_robust_list(0x55558cab0660, 24) = 0
[pid 22610] chdir("./21755")            = 0
[pid 22610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22610] setpgid(0, 0)               = 0
[pid 22610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22610] write(3, "1000", 4)         = 4
[pid 22610] close(3)                    = 0
[pid 22610] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22610] write(1, "executing program\n", 18) = 18
[pid 22610] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22610] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22610] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22610] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22610] exit_group(0)               = ?
[pid 22610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21755", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21755/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21755/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21755")                        = 0
mkdir("./21756", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22611
./strace-static-x86_64: Process 22611 attached
[pid 22611] set_robust_list(0x55558cab0660, 24) = 0
[pid 22611] chdir("./21756")            = 0
[pid 22611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22611] setpgid(0, 0)               = 0
[pid 22611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22611] write(3, "1000", 4)         = 4
[pid 22611] close(3)                    = 0
[pid 22611] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22611] write(1, "executing program\n", 18executing program
) = 18
[pid 22611] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22611] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22611] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22611] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22611] exit_group(0)               = ?
[pid 22611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22611, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21756", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21756/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21756/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21756")                        = 0
mkdir("./21757", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22612 attached
, child_tidptr=0x55558cab0650) = 22612
[pid 22612] set_robust_list(0x55558cab0660, 24) = 0
[pid 22612] chdir("./21757")            = 0
[pid 22612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22612] setpgid(0, 0)               = 0
[pid 22612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22612] write(3, "1000", 4)         = 4
[pid 22612] close(3)                    = 0
[pid 22612] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22612] write(1, "executing program\n", 18) = 18
[pid 22612] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22612] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22612] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22612] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22612] exit_group(0)               = ?
[pid 22612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21757", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21757/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21757/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21757")                        = 0
mkdir("./21758", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22613
./strace-static-x86_64: Process 22613 attached
[pid 22613] set_robust_list(0x55558cab0660, 24) = 0
[pid 22613] chdir("./21758")            = 0
[pid 22613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22613] setpgid(0, 0)               = 0
[pid 22613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22613] write(3, "1000", 4)         = 4
[pid 22613] close(3)                    = 0
[pid 22613] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22613] write(1, "executing program\n", 18) = 18
[pid 22613] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22613] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22613] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22613] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22613] exit_group(0)               = ?
[pid 22613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21758", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21758/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21758/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21758")                        = 0
mkdir("./21759", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22615
./strace-static-x86_64: Process 22615 attached
[pid 22615] set_robust_list(0x55558cab0660, 24) = 0
[pid 22615] chdir("./21759")            = 0
[pid 22615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22615] setpgid(0, 0)               = 0
[pid 22615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22615] write(3, "1000", 4)         = 4
[pid 22615] close(3)                    = 0
[pid 22615] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22615] write(1, "executing program\n", 18executing program
) = 18
[pid 22615] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22615] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22615] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22615] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22615] exit_group(0)               = ?
[pid 22615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21759", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21759/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21759/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21759")                        = 0
mkdir("./21760", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22616 attached
, child_tidptr=0x55558cab0650) = 22616
[pid 22616] set_robust_list(0x55558cab0660, 24) = 0
[pid 22616] chdir("./21760")            = 0
[pid 22616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22616] setpgid(0, 0)               = 0
[pid 22616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22616] write(3, "1000", 4)         = 4
[pid 22616] close(3)                    = 0
[pid 22616] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22616] write(1, "executing program\n", 18) = 18
[pid 22616] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22616] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22616] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22616] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22616] exit_group(0)               = ?
[pid 22616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21760", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21760/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21760/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21760")                        = 0
mkdir("./21761", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22617
./strace-static-x86_64: Process 22617 attached
[pid 22617] set_robust_list(0x55558cab0660, 24) = 0
[pid 22617] chdir("./21761")            = 0
[pid 22617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22617] setpgid(0, 0)               = 0
[pid 22617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22617] write(3, "1000", 4)         = 4
[pid 22617] close(3)                    = 0
[pid 22617] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22617] write(1, "executing program\n", 18executing program
) = 18
[pid 22617] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22617] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22617] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22617] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22617] exit_group(0)               = ?
[pid 22617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21761", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21761/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21761/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21761")                        = 0
mkdir("./21762", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22618
./strace-static-x86_64: Process 22618 attached
[pid 22618] set_robust_list(0x55558cab0660, 24) = 0
[pid 22618] chdir("./21762")            = 0
[pid 22618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22618] setpgid(0, 0)               = 0
[pid 22618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22618] write(3, "1000", 4)         = 4
[pid 22618] close(3)                    = 0
[pid 22618] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22618] write(1, "executing program\n", 18executing program
) = 18
[pid 22618] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22618] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22618] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22618] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22618] exit_group(0)               = ?
[pid 22618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21762", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21762/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21762/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21762")                        = 0
mkdir("./21763", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22619
./strace-static-x86_64: Process 22619 attached
[pid 22619] set_robust_list(0x55558cab0660, 24) = 0
[pid 22619] chdir("./21763")            = 0
[pid 22619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22619] setpgid(0, 0)               = 0
[pid 22619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22619] write(3, "1000", 4)         = 4
[pid 22619] close(3)                    = 0
[pid 22619] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22619] write(1, "executing program\n", 18) = 18
[pid 22619] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22619] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22619] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22619] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22619] exit_group(0)               = ?
[pid 22619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21763", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21763/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21763/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21763")                        = 0
mkdir("./21764", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22620
./strace-static-x86_64: Process 22620 attached
[pid 22620] set_robust_list(0x55558cab0660, 24) = 0
[pid 22620] chdir("./21764")            = 0
[pid 22620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22620] setpgid(0, 0)               = 0
[pid 22620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22620] write(3, "1000", 4)         = 4
[pid 22620] close(3)                    = 0
[pid 22620] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22620] write(1, "executing program\n", 18) = 18
[pid 22620] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22620] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22620] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22620] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22620] exit_group(0)               = ?
[pid 22620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21764", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21764/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21764/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21764")                        = 0
mkdir("./21765", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22621 attached
, child_tidptr=0x55558cab0650) = 22621
[pid 22621] set_robust_list(0x55558cab0660, 24) = 0
[pid 22621] chdir("./21765")            = 0
[pid 22621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22621] setpgid(0, 0)               = 0
[pid 22621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22621] write(3, "1000", 4)         = 4
[pid 22621] close(3)                    = 0
[pid 22621] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22621] write(1, "executing program\n", 18) = 18
[pid 22621] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22621] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22621] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22621] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22621] exit_group(0)               = ?
[pid 22621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21765", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21765/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21765/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21765")                        = 0
mkdir("./21766", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22622
./strace-static-x86_64: Process 22622 attached
[pid 22622] set_robust_list(0x55558cab0660, 24) = 0
[pid 22622] chdir("./21766")            = 0
[pid 22622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22622] setpgid(0, 0)               = 0
[pid 22622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22622] write(3, "1000", 4)         = 4
[pid 22622] close(3)                    = 0
[pid 22622] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22622] write(1, "executing program\n", 18) = 18
[pid 22622] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22622] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22622] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22622] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22622] exit_group(0)               = ?
[pid 22622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21766", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21766/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21766/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21766")                        = 0
mkdir("./21767", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22623
./strace-static-x86_64: Process 22623 attached
[pid 22623] set_robust_list(0x55558cab0660, 24) = 0
[pid 22623] chdir("./21767")            = 0
[pid 22623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22623] setpgid(0, 0)               = 0
[pid 22623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22623] write(3, "1000", 4)         = 4
[pid 22623] close(3)                    = 0
[pid 22623] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22623] write(1, "executing program\n", 18executing program
) = 18
[pid 22623] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22623] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22623] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22623] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22623] exit_group(0)               = ?
[pid 22623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21767", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21767/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21767/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21767")                        = 0
mkdir("./21768", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22624
./strace-static-x86_64: Process 22624 attached
[pid 22624] set_robust_list(0x55558cab0660, 24) = 0
[pid 22624] chdir("./21768")            = 0
[pid 22624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22624] setpgid(0, 0)               = 0
[pid 22624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22624] write(3, "1000", 4)         = 4
[pid 22624] close(3)                    = 0
[pid 22624] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22624] write(1, "executing program\n", 18) = 18
[pid 22624] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22624] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22624] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22624] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22624] exit_group(0)               = ?
[pid 22624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21768", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21768/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21768/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21768")                        = 0
mkdir("./21769", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22625 attached
, child_tidptr=0x55558cab0650) = 22625
[pid 22625] set_robust_list(0x55558cab0660, 24) = 0
[pid 22625] chdir("./21769")            = 0
[pid 22625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22625] setpgid(0, 0)               = 0
[pid 22625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22625] write(3, "1000", 4)         = 4
[pid 22625] close(3)                    = 0
[pid 22625] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22625] write(1, "executing program\n", 18) = 18
[pid 22625] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22625] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22625] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22625] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22625] exit_group(0)               = ?
[pid 22625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21769", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21769/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21769/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21769")                        = 0
mkdir("./21770", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22626 attached
, child_tidptr=0x55558cab0650) = 22626
[pid 22626] set_robust_list(0x55558cab0660, 24) = 0
[pid 22626] chdir("./21770")            = 0
[pid 22626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22626] setpgid(0, 0)               = 0
[pid 22626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22626] write(3, "1000", 4)         = 4
[pid 22626] close(3)                    = 0
[pid 22626] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22626] write(1, "executing program\n", 18) = 18
[pid 22626] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22626] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22626] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22626] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22626] exit_group(0)               = ?
[pid 22626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21770", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21770/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21770/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21770")                        = 0
mkdir("./21771", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22627 attached
, child_tidptr=0x55558cab0650) = 22627
[pid 22627] set_robust_list(0x55558cab0660, 24) = 0
[pid 22627] chdir("./21771")            = 0
[pid 22627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22627] setpgid(0, 0)               = 0
[pid 22627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22627] write(3, "1000", 4)         = 4
[pid 22627] close(3)                    = 0
[pid 22627] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22627] write(1, "executing program\n", 18executing program
) = 18
[pid 22627] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22627] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22627] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22627] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22627] exit_group(0)               = ?
[pid 22627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21771", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21771/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21771/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21771")                        = 0
mkdir("./21772", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22628
./strace-static-x86_64: Process 22628 attached
[pid 22628] set_robust_list(0x55558cab0660, 24) = 0
[pid 22628] chdir("./21772")            = 0
[pid 22628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22628] setpgid(0, 0)               = 0
[pid 22628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22628] write(3, "1000", 4)         = 4
[pid 22628] close(3)                    = 0
[pid 22628] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22628] write(1, "executing program\n", 18) = 18
[pid 22628] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22628] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22628] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22628] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22628] exit_group(0)               = ?
[pid 22628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21772", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21772/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21772/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21772")                        = 0
mkdir("./21773", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22629
./strace-static-x86_64: Process 22629 attached
[pid 22629] set_robust_list(0x55558cab0660, 24) = 0
[pid 22629] chdir("./21773")            = 0
[pid 22629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22629] setpgid(0, 0)               = 0
[pid 22629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22629] write(3, "1000", 4)         = 4
[pid 22629] close(3)                    = 0
[pid 22629] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22629] write(1, "executing program\n", 18executing program
) = 18
[pid 22629] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22629] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22629] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22629] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22629] exit_group(0)               = ?
[pid 22629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21773", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21773/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21773/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21773")                        = 0
mkdir("./21774", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22630
./strace-static-x86_64: Process 22630 attached
[pid 22630] set_robust_list(0x55558cab0660, 24) = 0
[pid 22630] chdir("./21774")            = 0
[pid 22630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22630] setpgid(0, 0executing program
)               = 0
[pid 22630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22630] write(3, "1000", 4)         = 4
[pid 22630] close(3)                    = 0
[pid 22630] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22630] write(1, "executing program\n", 18) = 18
[pid 22630] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22630] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22630] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22630] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22630] exit_group(0)               = ?
[pid 22630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21774", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21774/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21774/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21774")                        = 0
mkdir("./21775", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22631 attached
, child_tidptr=0x55558cab0650) = 22631
[pid 22631] set_robust_list(0x55558cab0660, 24) = 0
[pid 22631] chdir("./21775")            = 0
[pid 22631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22631] setpgid(0, 0)               = 0
[pid 22631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22631] write(3, "1000", 4)         = 4
[pid 22631] close(3)                    = 0
[pid 22631] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22631] write(1, "executing program\n", 18) = 18
[pid 22631] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22631] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22631] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22631] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22631] exit_group(0)               = ?
[pid 22631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21775", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21775/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21775/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21775")                        = 0
mkdir("./21776", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22632 attached
, child_tidptr=0x55558cab0650) = 22632
[pid 22632] set_robust_list(0x55558cab0660, 24) = 0
[pid 22632] chdir("./21776")            = 0
[pid 22632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22632] setpgid(0, 0)               = 0
[pid 22632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22632] write(3, "1000", 4)         = 4
[pid 22632] close(3)                    = 0
[pid 22632] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22632] write(1, "executing program\n", 18executing program
) = 18
[pid 22632] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22632] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22632] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22632] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22632] exit_group(0)               = ?
[pid 22632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21776", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21776/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21776/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21776")                        = 0
mkdir("./21777", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22633
./strace-static-x86_64: Process 22633 attached
[pid 22633] set_robust_list(0x55558cab0660, 24) = 0
[pid 22633] chdir("./21777")            = 0
[pid 22633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22633] setpgid(0, 0)               = 0
[pid 22633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22633] write(3, "1000", 4)         = 4
[pid 22633] close(3)                    = 0
[pid 22633] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22633] write(1, "executing program\n", 18) = 18
[pid 22633] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22633] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22633] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22633] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22633] exit_group(0)               = ?
[pid 22633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21777", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21777/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21777/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21777")                        = 0
mkdir("./21778", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22634
./strace-static-x86_64: Process 22634 attached
[pid 22634] set_robust_list(0x55558cab0660, 24) = 0
[pid 22634] chdir("./21778")            = 0
[pid 22634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22634] setpgid(0, 0)               = 0
[pid 22634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22634] write(3, "1000", 4)         = 4
[pid 22634] close(3)                    = 0
[pid 22634] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22634] write(1, "executing program\n", 18executing program
) = 18
[pid 22634] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22634] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22634] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22634] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22634] exit_group(0)               = ?
[pid 22634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21778", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21778/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21778/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21778")                        = 0
mkdir("./21779", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22635 attached
, child_tidptr=0x55558cab0650) = 22635
[pid 22635] set_robust_list(0x55558cab0660, 24) = 0
[pid 22635] chdir("./21779")            = 0
[pid 22635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22635] setpgid(0, 0)               = 0
[pid 22635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22635] write(3, "1000", 4)         = 4
[pid 22635] close(3)                    = 0
[pid 22635] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22635] write(1, "executing program\n", 18) = 18
[pid 22635] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22635] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22635] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22635] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22635] exit_group(0)               = ?
[pid 22635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21779", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21779/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21779/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21779")                        = 0
mkdir("./21780", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22636
./strace-static-x86_64: Process 22636 attached
[pid 22636] set_robust_list(0x55558cab0660, 24) = 0
[pid 22636] chdir("./21780")            = 0
[pid 22636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22636] setpgid(0, 0)               = 0
[pid 22636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22636] write(3, "1000", 4)         = 4
[pid 22636] close(3)                    = 0
[pid 22636] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22636] write(1, "executing program\n", 18) = 18
[pid 22636] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22636] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22636] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22636] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22636] exit_group(0)               = ?
[pid 22636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21780", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21780/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21780/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21780")                        = 0
mkdir("./21781", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22637 attached
, child_tidptr=0x55558cab0650) = 22637
[pid 22637] set_robust_list(0x55558cab0660, 24) = 0
[pid 22637] chdir("./21781")            = 0
[pid 22637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22637] setpgid(0, 0)               = 0
[pid 22637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22637] write(3, "1000", 4)         = 4
[pid 22637] close(3)                    = 0
[pid 22637] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22637] write(1, "executing program\n", 18executing program
) = 18
[pid 22637] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22637] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22637] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22637] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22637] exit_group(0)               = ?
[pid 22637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21781", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21781/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21781/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21781")                        = 0
mkdir("./21782", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22638 attached
, child_tidptr=0x55558cab0650) = 22638
[pid 22638] set_robust_list(0x55558cab0660, 24) = 0
[pid 22638] chdir("./21782")            = 0
[pid 22638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22638] setpgid(0, 0)               = 0
[pid 22638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22638] write(3, "1000", 4)         = 4
[pid 22638] close(3)                    = 0
[pid 22638] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22638] write(1, "executing program\n", 18) = 18
[pid 22638] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22638] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22638] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22638] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22638] exit_group(0)               = ?
[pid 22638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21782", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21782/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21782/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21782")                        = 0
mkdir("./21783", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22639
./strace-static-x86_64: Process 22639 attached
[pid 22639] set_robust_list(0x55558cab0660, 24) = 0
[pid 22639] chdir("./21783")            = 0
[pid 22639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22639] setpgid(0, 0)               = 0
[pid 22639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22639] write(3, "1000", 4)         = 4
[pid 22639] close(3)                    = 0
[pid 22639] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22639] write(1, "executing program\n", 18) = 18
[pid 22639] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22639] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22639] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22639] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22639] exit_group(0)               = ?
[pid 22639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21783", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21783/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21783/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21783")                        = 0
mkdir("./21784", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22640 attached
, child_tidptr=0x55558cab0650) = 22640
[pid 22640] set_robust_list(0x55558cab0660, 24) = 0
[pid 22640] chdir("./21784")            = 0
[pid 22640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22640] setpgid(0, 0)               = 0
[pid 22640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22640] write(3, "1000", 4)         = 4
[pid 22640] close(3)                    = 0
[pid 22640] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22640] write(1, "executing program\n", 18) = 18
[pid 22640] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22640] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22640] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22640] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22640] exit_group(0)               = ?
[pid 22640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21784", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21784/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21784/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21784")                        = 0
mkdir("./21785", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22641 attached
, child_tidptr=0x55558cab0650) = 22641
[pid 22641] set_robust_list(0x55558cab0660, 24) = 0
[pid 22641] chdir("./21785")            = 0
[pid 22641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22641] setpgid(0, 0)               = 0
[pid 22641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22641] write(3, "1000", 4)         = 4
[pid 22641] close(3)                    = 0
[pid 22641] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22641] write(1, "executing program\n", 18executing program
) = 18
[pid 22641] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22641] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22641] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22641] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22641] exit_group(0)               = ?
[pid 22641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21785", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21785/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21785/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21785")                        = 0
mkdir("./21786", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22642 attached
, child_tidptr=0x55558cab0650) = 22642
[pid 22642] set_robust_list(0x55558cab0660, 24) = 0
[pid 22642] chdir("./21786")            = 0
[pid 22642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22642] setpgid(0, 0)               = 0
[pid 22642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22642] write(3, "1000", 4)         = 4
[pid 22642] close(3)                    = 0
[pid 22642] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22642] write(1, "executing program\n", 18) = 18
[pid 22642] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22642] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22642] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22642] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22642] exit_group(0)               = ?
[pid 22642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21786", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21786/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21786/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21786")                        = 0
mkdir("./21787", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22643 attached
, child_tidptr=0x55558cab0650) = 22643
[pid 22643] set_robust_list(0x55558cab0660, 24) = 0
[pid 22643] chdir("./21787")            = 0
[pid 22643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22643] setpgid(0, 0)               = 0
[pid 22643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22643] write(3, "1000", 4)         = 4
[pid 22643] close(3)                    = 0
[pid 22643] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22643] write(1, "executing program\n", 18executing program
) = 18
[pid 22643] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22643] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22643] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22643] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22643] exit_group(0)               = ?
[pid 22643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21787", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21787/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21787/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21787")                        = 0
mkdir("./21788", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22644 attached
, child_tidptr=0x55558cab0650) = 22644
[pid 22644] set_robust_list(0x55558cab0660, 24) = 0
[pid 22644] chdir("./21788")            = 0
[pid 22644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22644] setpgid(0, 0)               = 0
[pid 22644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22644] write(3, "1000", 4)         = 4
[pid 22644] close(3)                    = 0
[pid 22644] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22644] write(1, "executing program\n", 18executing program
) = 18
[pid 22644] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22644] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22644] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22644] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22644] exit_group(0)               = ?
[pid 22644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21788", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21788/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21788/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21788")                        = 0
mkdir("./21789", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22645 attached
, child_tidptr=0x55558cab0650) = 22645
[pid 22645] set_robust_list(0x55558cab0660, 24) = 0
[pid 22645] chdir("./21789")            = 0
[pid 22645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22645] setpgid(0, 0)               = 0
[pid 22645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22645] write(3, "1000", 4)         = 4
[pid 22645] close(3)                    = 0
[pid 22645] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22645] write(1, "executing program\n", 18executing program
) = 18
[pid 22645] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22645] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22645] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22645] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22645] exit_group(0)               = ?
[pid 22645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21789", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21789/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21789/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21789")                        = 0
mkdir("./21790", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22646 attached
, child_tidptr=0x55558cab0650) = 22646
[pid 22646] set_robust_list(0x55558cab0660, 24) = 0
[pid 22646] chdir("./21790")            = 0
[pid 22646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22646] setpgid(0, 0)               = 0
[pid 22646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22646] write(3, "1000", 4)         = 4
executing program
[pid 22646] close(3)                    = 0
[pid 22646] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22646] write(1, "executing program\n", 18) = 18
[pid 22646] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22646] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22646] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22646] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22646] exit_group(0)               = ?
[pid 22646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21790", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21790/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21790/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21790")                        = 0
mkdir("./21791", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22647
./strace-static-x86_64: Process 22647 attached
[pid 22647] set_robust_list(0x55558cab0660, 24) = 0
[pid 22647] chdir("./21791")            = 0
[pid 22647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22647] setpgid(0, 0)               = 0
[pid 22647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22647] write(3, "1000", 4)         = 4
[pid 22647] close(3)                    = 0
[pid 22647] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22647] write(1, "executing program\n", 18) = 18
[pid 22647] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22647] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22647] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22647] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22647] exit_group(0)               = ?
[pid 22647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21791", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21791/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21791/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21791")                        = 0
mkdir("./21792", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22648 attached
, child_tidptr=0x55558cab0650) = 22648
[pid 22648] set_robust_list(0x55558cab0660, 24) = 0
[pid 22648] chdir("./21792")            = 0
[pid 22648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22648] setpgid(0, 0)               = 0
[pid 22648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22648] write(3, "1000", 4)         = 4
[pid 22648] close(3)                    = 0
[pid 22648] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22648] write(1, "executing program\n", 18) = 18
[pid 22648] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22648] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22648] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22648] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22648] exit_group(0)               = ?
[pid 22648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21792", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21792/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21792/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21792")                        = 0
mkdir("./21793", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22649
./strace-static-x86_64: Process 22649 attached
[pid 22649] set_robust_list(0x55558cab0660, 24) = 0
[pid 22649] chdir("./21793")            = 0
[pid 22649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22649] setpgid(0, 0)               = 0
[pid 22649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22649] write(3, "1000", 4)         = 4
[pid 22649] close(3)                    = 0
[pid 22649] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22649] write(1, "executing program\n", 18) = 18
[pid 22649] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22649] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22649] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22649] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22649] exit_group(0)               = ?
[pid 22649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21793", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21793/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21793/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21793")                        = 0
mkdir("./21794", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22650
./strace-static-x86_64: Process 22650 attached
[pid 22650] set_robust_list(0x55558cab0660, 24) = 0
[pid 22650] chdir("./21794")            = 0
[pid 22650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22650] setpgid(0, 0)               = 0
[pid 22650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22650] write(3, "1000", 4)         = 4
[pid 22650] close(3)                    = 0
[pid 22650] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22650] write(1, "executing program\n", 18) = 18
[pid 22650] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22650] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22650] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22650] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22650] exit_group(0)               = ?
[pid 22650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21794", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21794/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21794/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21794")                        = 0
mkdir("./21795", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22651 attached
, child_tidptr=0x55558cab0650) = 22651
[pid 22651] set_robust_list(0x55558cab0660, 24) = 0
[pid 22651] chdir("./21795")            = 0
[pid 22651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22651] setpgid(0, 0)               = 0
[pid 22651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22651] write(3, "1000", 4executing program
)         = 4
[pid 22651] close(3)                    = 0
[pid 22651] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22651] write(1, "executing program\n", 18) = 18
[pid 22651] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22651] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22651] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22651] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22651] exit_group(0)               = ?
[pid 22651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21795", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21795/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21795/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21795")                        = 0
mkdir("./21796", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22652
./strace-static-x86_64: Process 22652 attached
[pid 22652] set_robust_list(0x55558cab0660, 24) = 0
[pid 22652] chdir("./21796")            = 0
[pid 22652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22652] setpgid(0, 0)               = 0
[pid 22652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22652] write(3, "1000", 4)         = 4
[pid 22652] close(3)                    = 0
[pid 22652] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22652] write(1, "executing program\n", 18) = 18
[pid 22652] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22652] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22652] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22652] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22652] exit_group(0)               = ?
[pid 22652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21796", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21796/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21796/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21796")                        = 0
mkdir("./21797", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22653 attached
, child_tidptr=0x55558cab0650) = 22653
[pid 22653] set_robust_list(0x55558cab0660, 24) = 0
[pid 22653] chdir("./21797")            = 0
[pid 22653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22653] setpgid(0, 0)               = 0
[pid 22653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22653] write(3, "1000", 4)         = 4
[pid 22653] close(3)                    = 0
[pid 22653] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22653] write(1, "executing program\n", 18) = 18
[pid 22653] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22653] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22653] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22653] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22653] exit_group(0)               = ?
[pid 22653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21797", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21797/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21797/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21797")                        = 0
mkdir("./21798", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22654
./strace-static-x86_64: Process 22654 attached
[pid 22654] set_robust_list(0x55558cab0660, 24) = 0
[pid 22654] chdir("./21798")            = 0
[pid 22654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22654] setpgid(0, 0)               = 0
[pid 22654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22654] write(3, "1000", 4)         = 4
[pid 22654] close(3)                    = 0
[pid 22654] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22654] write(1, "executing program\n", 18executing program
) = 18
[pid 22654] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22654] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22654] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22654] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22654] exit_group(0)               = ?
[pid 22654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21798", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21798/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21798/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21798")                        = 0
mkdir("./21799", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22655 attached
, child_tidptr=0x55558cab0650) = 22655
[pid 22655] set_robust_list(0x55558cab0660, 24) = 0
[pid 22655] chdir("./21799")            = 0
[pid 22655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22655] setpgid(0, 0)               = 0
[pid 22655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22655] write(3, "1000", 4)         = 4
[pid 22655] close(3)                    = 0
[pid 22655] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22655] write(1, "executing program\n", 18) = 18
[pid 22655] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22655] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22655] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22655] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22655] exit_group(0)               = ?
[pid 22655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21799", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21799/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21799/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21799")                        = 0
mkdir("./21800", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22656 attached
, child_tidptr=0x55558cab0650) = 22656
[pid 22656] set_robust_list(0x55558cab0660, 24) = 0
[pid 22656] chdir("./21800")            = 0
[pid 22656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22656] setpgid(0, 0)               = 0
[pid 22656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22656] write(3, "1000", 4)         = 4
[pid 22656] close(3)                    = 0
[pid 22656] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22656] write(1, "executing program\n", 18executing program
) = 18
[pid 22656] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22656] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22656] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22656] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22656] exit_group(0)               = ?
[pid 22656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21800", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21800/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21800/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21800")                        = 0
mkdir("./21801", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22657
./strace-static-x86_64: Process 22657 attached
[pid 22657] set_robust_list(0x55558cab0660, 24) = 0
[pid 22657] chdir("./21801")            = 0
[pid 22657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22657] setpgid(0, 0)               = 0
[pid 22657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22657] write(3, "1000", 4)         = 4
[pid 22657] close(3)                    = 0
[pid 22657] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22657] write(1, "executing program\n", 18) = 18
[pid 22657] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22657] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22657] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22657] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22657] exit_group(0)               = ?
[pid 22657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21801", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21801/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21801/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21801")                        = 0
mkdir("./21802", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22658 attached
, child_tidptr=0x55558cab0650) = 22658
[pid 22658] set_robust_list(0x55558cab0660, 24) = 0
[pid 22658] chdir("./21802")            = 0
[pid 22658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22658] setpgid(0, 0)               = 0
[pid 22658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22658] write(3, "1000", 4)         = 4
[pid 22658] close(3)                    = 0
[pid 22658] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22658] write(1, "executing program\n", 18) = 18
[pid 22658] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22658] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22658] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22658] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22658] exit_group(0)               = ?
[pid 22658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21802", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21802/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21802/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21802")                        = 0
mkdir("./21803", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22659
./strace-static-x86_64: Process 22659 attached
[pid 22659] set_robust_list(0x55558cab0660, 24) = 0
[pid 22659] chdir("./21803")            = 0
[pid 22659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22659] setpgid(0, 0)               = 0
[pid 22659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22659] write(3, "1000", 4)         = 4
[pid 22659] close(3)                    = 0
[pid 22659] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22659] write(1, "executing program\n", 18executing program
) = 18
[pid 22659] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22659] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22659] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22659] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22659] exit_group(0)               = ?
[pid 22659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21803", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21803/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21803/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21803")                        = 0
mkdir("./21804", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22660 attached
, child_tidptr=0x55558cab0650) = 22660
[pid 22660] set_robust_list(0x55558cab0660, 24) = 0
[pid 22660] chdir("./21804")            = 0
[pid 22660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22660] setpgid(0, 0)               = 0
[pid 22660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22660] write(3, "1000", 4)         = 4
[pid 22660] close(3)                    = 0
[pid 22660] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22660] write(1, "executing program\n", 18) = 18
[pid 22660] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22660] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22660] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22660] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22660] exit_group(0)               = ?
[pid 22660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21804", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21804/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21804/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21804")                        = 0
mkdir("./21805", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22661
./strace-static-x86_64: Process 22661 attached
[pid 22661] set_robust_list(0x55558cab0660, 24) = 0
[pid 22661] chdir("./21805")            = 0
[pid 22661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22661] setpgid(0, 0)               = 0
[pid 22661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22661] write(3, "1000", 4)         = 4
[pid 22661] close(3)                    = 0
[pid 22661] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22661] write(1, "executing program\n", 18executing program
) = 18
[pid 22661] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22661] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22661] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22661] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22661] exit_group(0)               = ?
[pid 22661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21805", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21805/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21805/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21805")                        = 0
mkdir("./21806", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22662 attached
, child_tidptr=0x55558cab0650) = 22662
[pid 22662] set_robust_list(0x55558cab0660, 24) = 0
[pid 22662] chdir("./21806")            = 0
[pid 22662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22662] setpgid(0, 0)               = 0
[pid 22662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22662] write(3, "1000", 4)         = 4
[pid 22662] close(3)                    = 0
[pid 22662] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22662] write(1, "executing program\n", 18) = 18
[pid 22662] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22662] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22662] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22662] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22662] exit_group(0)               = ?
[pid 22662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21806", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21806/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21806/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21806")                        = 0
mkdir("./21807", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22663 attached
, child_tidptr=0x55558cab0650) = 22663
[pid 22663] set_robust_list(0x55558cab0660, 24) = 0
[pid 22663] chdir("./21807")            = 0
[pid 22663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22663] setpgid(0, 0)               = 0
[pid 22663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22663] write(3, "1000", 4)         = 4
[pid 22663] close(3)                    = 0
[pid 22663] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22663] write(1, "executing program\n", 18) = 18
[pid 22663] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22663] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22663] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22663] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22663] exit_group(0)               = ?
[pid 22663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21807", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21807/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21807/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21807")                        = 0
mkdir("./21808", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22664 attached
, child_tidptr=0x55558cab0650) = 22664
[pid 22664] set_robust_list(0x55558cab0660, 24) = 0
[pid 22664] chdir("./21808")            = 0
[pid 22664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22664] setpgid(0, 0)               = 0
[pid 22664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22664] write(3, "1000", 4)         = 4
[pid 22664] close(3)                    = 0
[pid 22664] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22664] write(1, "executing program\n", 18executing program
) = 18
[pid 22664] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22664] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22664] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22664] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22664] exit_group(0)               = ?
[pid 22664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21808", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21808/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21808/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21808")                        = 0
mkdir("./21809", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22665 attached
, child_tidptr=0x55558cab0650) = 22665
[pid 22665] set_robust_list(0x55558cab0660, 24) = 0
[pid 22665] chdir("./21809")            = 0
[pid 22665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22665] setpgid(0, 0)               = 0
[pid 22665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22665] write(3, "1000", 4)         = 4
[pid 22665] close(3)                    = 0
[pid 22665] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22665] write(1, "executing program\n", 18) = 18
[pid 22665] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22665] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22665] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22665] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22665] exit_group(0)               = ?
[pid 22665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21809", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21809/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21809/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21809")                        = 0
mkdir("./21810", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22666 attached
, child_tidptr=0x55558cab0650) = 22666
[pid 22666] set_robust_list(0x55558cab0660, 24) = 0
[pid 22666] chdir("./21810")            = 0
[pid 22666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22666] setpgid(0, 0)               = 0
[pid 22666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22666] write(3, "1000", 4)         = 4
[pid 22666] close(3)                    = 0
[pid 22666] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22666] write(1, "executing program\n", 18) = 18
[pid 22666] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22666] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22666] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22666] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22666] exit_group(0)               = ?
[pid 22666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21810", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21810/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21810/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21810")                        = 0
mkdir("./21811", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22667 attached
, child_tidptr=0x55558cab0650) = 22667
[pid 22667] set_robust_list(0x55558cab0660, 24) = 0
[pid 22667] chdir("./21811")            = 0
[pid 22667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22667] setpgid(0, 0)               = 0
[pid 22667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22667] write(3, "1000", 4)         = 4
[pid 22667] close(3)                    = 0
[pid 22667] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22667] write(1, "executing program\n", 18) = 18
[pid 22667] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22667] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22667] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22667] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22667] exit_group(0)               = ?
[pid 22667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21811", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21811/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21811/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21811")                        = 0
mkdir("./21812", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22668 attached
, child_tidptr=0x55558cab0650) = 22668
[pid 22668] set_robust_list(0x55558cab0660, 24) = 0
[pid 22668] chdir("./21812")            = 0
[pid 22668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22668] setpgid(0, 0)               = 0
[pid 22668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22668] write(3, "1000", 4)         = 4
[pid 22668] close(3)                    = 0
[pid 22668] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22668] write(1, "executing program\n", 18) = 18
[pid 22668] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22668] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22668] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22668] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22668] exit_group(0)               = ?
[pid 22668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21812", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21812/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21812/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21812")                        = 0
mkdir("./21813", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22669 attached
, child_tidptr=0x55558cab0650) = 22669
[pid 22669] set_robust_list(0x55558cab0660, 24) = 0
[pid 22669] chdir("./21813")            = 0
[pid 22669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22669] setpgid(0, 0)               = 0
[pid 22669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22669] write(3, "1000", 4)         = 4
[pid 22669] close(3)                    = 0
[pid 22669] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22669] write(1, "executing program\n", 18) = 18
[pid 22669] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22669] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22669] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22669] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22669] exit_group(0)               = ?
[pid 22669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21813", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21813/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21813/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21813")                        = 0
mkdir("./21814", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22670 attached
, child_tidptr=0x55558cab0650) = 22670
[pid 22670] set_robust_list(0x55558cab0660, 24) = 0
[pid 22670] chdir("./21814")            = 0
[pid 22670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22670] setpgid(0, 0)               = 0
[pid 22670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22670] write(3, "1000", 4)         = 4
[pid 22670] close(3)                    = 0
[pid 22670] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22670] write(1, "executing program\n", 18) = 18
[pid 22670] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22670] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22670] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22670] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22670] exit_group(0)               = ?
[pid 22670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21814", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21814/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21814/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21814")                        = 0
mkdir("./21815", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22671 attached
, child_tidptr=0x55558cab0650) = 22671
[pid 22671] set_robust_list(0x55558cab0660, 24) = 0
[pid 22671] chdir("./21815")            = 0
[pid 22671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22671] setpgid(0, 0)               = 0
[pid 22671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22671] write(3, "1000", 4)         = 4
[pid 22671] close(3)                    = 0
[pid 22671] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22671] write(1, "executing program\n", 18) = 18
[pid 22671] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22671] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22671] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22671] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22671] exit_group(0)               = ?
[pid 22671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21815", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21815/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21815/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21815")                        = 0
mkdir("./21816", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22672 attached
, child_tidptr=0x55558cab0650) = 22672
[pid 22672] set_robust_list(0x55558cab0660, 24) = 0
[pid 22672] chdir("./21816")            = 0
[pid 22672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22672] setpgid(0, 0)               = 0
[pid 22672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22672] write(3, "1000", 4)         = 4
[pid 22672] close(3)                    = 0
[pid 22672] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22672] write(1, "executing program\n", 18executing program
) = 18
[pid 22672] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22672] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22672] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22672] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22672] exit_group(0)               = ?
[pid 22672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21816", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21816/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21816/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21816")                        = 0
mkdir("./21817", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22673
./strace-static-x86_64: Process 22673 attached
[pid 22673] set_robust_list(0x55558cab0660, 24) = 0
[pid 22673] chdir("./21817")            = 0
[pid 22673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22673] setpgid(0, 0)               = 0
[pid 22673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22673] write(3, "1000", 4)         = 4
[pid 22673] close(3)                    = 0
[pid 22673] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22673] write(1, "executing program\n", 18) = 18
[pid 22673] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22673] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22673] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22673] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22673] exit_group(0)               = ?
[pid 22673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21817", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21817/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21817/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21817")                        = 0
mkdir("./21818", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22674
./strace-static-x86_64: Process 22674 attached
[pid 22674] set_robust_list(0x55558cab0660, 24) = 0
[pid 22674] chdir("./21818")            = 0
[pid 22674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22674] setpgid(0, 0)               = 0
[pid 22674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22674] write(3, "1000", 4)         = 4
[pid 22674] close(3)                    = 0
[pid 22674] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22674] write(1, "executing program\n", 18) = 18
[pid 22674] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22674] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22674] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22674] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22674] exit_group(0)               = ?
[pid 22674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21818", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21818/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21818/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21818")                        = 0
mkdir("./21819", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22675
./strace-static-x86_64: Process 22675 attached
[pid 22675] set_robust_list(0x55558cab0660, 24) = 0
[pid 22675] chdir("./21819")            = 0
[pid 22675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22675] setpgid(0, 0)               = 0
[pid 22675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22675] write(3, "1000", 4)         = 4
[pid 22675] close(3)                    = 0
[pid 22675] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22675] write(1, "executing program\n", 18executing program
) = 18
[pid 22675] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22675] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22675] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22675] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22675] exit_group(0)               = ?
[pid 22675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21819", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21819/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21819/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21819")                        = 0
executing program
mkdir("./21820", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22676
./strace-static-x86_64: Process 22676 attached
[pid 22676] set_robust_list(0x55558cab0660, 24) = 0
[pid 22676] chdir("./21820")            = 0
[pid 22676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22676] setpgid(0, 0)               = 0
[pid 22676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22676] write(3, "1000", 4)         = 4
[pid 22676] close(3)                    = 0
[pid 22676] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22676] write(1, "executing program\n", 18) = 18
[pid 22676] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22676] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22676] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22676] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22676] exit_group(0)               = ?
[pid 22676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21820", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21820/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21820/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21820")                        = 0
mkdir("./21821", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22677
./strace-static-x86_64: Process 22677 attached
[pid 22677] set_robust_list(0x55558cab0660, 24) = 0
[pid 22677] chdir("./21821")            = 0
[pid 22677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22677] setpgid(0, 0)               = 0
[pid 22677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22677] write(3, "1000", 4)         = 4
[pid 22677] close(3)                    = 0
[pid 22677] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22677] write(1, "executing program\n", 18) = 18
[pid 22677] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22677] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22677] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22677] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22677] exit_group(0)               = ?
[pid 22677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21821", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21821/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21821/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21821")                        = 0
mkdir("./21822", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22678 attached
, child_tidptr=0x55558cab0650) = 22678
[pid 22678] set_robust_list(0x55558cab0660, 24) = 0
[pid 22678] chdir("./21822")            = 0
[pid 22678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22678] setpgid(0, 0)               = 0
[pid 22678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22678] write(3, "1000", 4)         = 4
[pid 22678] close(3)                    = 0
[pid 22678] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22678] write(1, "executing program\n", 18) = 18
[pid 22678] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22678] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22678] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22678] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22678] exit_group(0)               = ?
[pid 22678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21822", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21822/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21822/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21822")                        = 0
mkdir("./21823", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22679
./strace-static-x86_64: Process 22679 attached
[pid 22679] set_robust_list(0x55558cab0660, 24) = 0
[pid 22679] chdir("./21823")            = 0
[pid 22679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22679] setpgid(0, 0)               = 0
[pid 22679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22679] write(3, "1000", 4)         = 4
[pid 22679] close(3)                    = 0
[pid 22679] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22679] write(1, "executing program\n", 18) = 18
[pid 22679] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22679] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22679] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22679] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22679] exit_group(0)               = ?
[pid 22679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21823", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21823/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21823/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21823")                        = 0
mkdir("./21824", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22680 attached
, child_tidptr=0x55558cab0650) = 22680
[pid 22680] set_robust_list(0x55558cab0660, 24) = 0
[pid 22680] chdir("./21824")            = 0
[pid 22680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22680] setpgid(0, 0)               = 0
[pid 22680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22680] write(3, "1000", 4)         = 4
[pid 22680] close(3)                    = 0
[pid 22680] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22680] write(1, "executing program\n", 18) = 18
[pid 22680] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22680] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22680] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22680] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22680] exit_group(0)               = ?
[pid 22680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21824", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21824/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21824/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21824")                        = 0
mkdir("./21825", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22681
./strace-static-x86_64: Process 22681 attached
[pid 22681] set_robust_list(0x55558cab0660, 24) = 0
[pid 22681] chdir("./21825")            = 0
[pid 22681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22681] setpgid(0, 0)               = 0
[pid 22681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22681] write(3, "1000", 4)         = 4
[pid 22681] close(3)                    = 0
[pid 22681] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22681] write(1, "executing program\n", 18) = 18
[pid 22681] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22681] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22681] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22681] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22681] exit_group(0)               = ?
[pid 22681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21825", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21825/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21825/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21825")                        = 0
mkdir("./21826", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22682
./strace-static-x86_64: Process 22682 attached
[pid 22682] set_robust_list(0x55558cab0660, 24) = 0
[pid 22682] chdir("./21826")            = 0
[pid 22682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22682] setpgid(0, 0)               = 0
[pid 22682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22682] write(3, "1000", 4)         = 4
[pid 22682] close(3)                    = 0
[pid 22682] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22682] write(1, "executing program\n", 18) = 18
[pid 22682] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22682] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22682] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22682] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22682] exit_group(0)               = ?
[pid 22682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21826", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21826/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21826")                        = 0
mkdir("./21827", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22683
./strace-static-x86_64: Process 22683 attached
[pid 22683] set_robust_list(0x55558cab0660, 24) = 0
[pid 22683] chdir("./21827")            = 0
[pid 22683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22683] setpgid(0, 0)               = 0
[pid 22683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22683] write(3, "1000", 4)         = 4
[pid 22683] close(3)                    = 0
[pid 22683] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22683] write(1, "executing program\n", 18executing program
) = 18
[pid 22683] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22683] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22683] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22683] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22683] exit_group(0)               = ?
[pid 22683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21827", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21827/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21827/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21827")                        = 0
mkdir("./21828", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22684
./strace-static-x86_64: Process 22684 attached
[pid 22684] set_robust_list(0x55558cab0660, 24) = 0
[pid 22684] chdir("./21828")            = 0
[pid 22684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22684] setpgid(0, 0)               = 0
[pid 22684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 22684] write(3, "1000", 4)         = 4
[pid 22684] close(3)                    = 0
[pid 22684] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22684] write(1, "executing program\n", 18) = 18
[pid 22684] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22684] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22684] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22684] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22684] exit_group(0)               = ?
[pid 22684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21828", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21828/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21828/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21828")                        = 0
mkdir("./21829", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22685
./strace-static-x86_64: Process 22685 attached
[pid 22685] set_robust_list(0x55558cab0660, 24) = 0
[pid 22685] chdir("./21829")            = 0
[pid 22685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22685] setpgid(0, 0)               = 0
[pid 22685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22685] write(3, "1000", 4)         = 4
[pid 22685] close(3)                    = 0
[pid 22685] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22685] write(1, "executing program\n", 18) = 18
[pid 22685] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22685] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22685] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22685] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22685] exit_group(0)               = ?
[pid 22685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21829", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21829/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21829/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21829")                        = 0
mkdir("./21830", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22686
./strace-static-x86_64: Process 22686 attached
[pid 22686] set_robust_list(0x55558cab0660, 24) = 0
[pid 22686] chdir("./21830")            = 0
[pid 22686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22686] setpgid(0, 0)               = 0
[pid 22686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22686] write(3, "1000", 4)         = 4
[pid 22686] close(3)                    = 0
[pid 22686] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22686] write(1, "executing program\n", 18) = 18
[pid 22686] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22686] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22686] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22686] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22686] exit_group(0)               = ?
[pid 22686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21830", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21830/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21830/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21830")                        = 0
mkdir("./21831", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22687 attached
, child_tidptr=0x55558cab0650) = 22687
[pid 22687] set_robust_list(0x55558cab0660, 24) = 0
[pid 22687] chdir("./21831")            = 0
[pid 22687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22687] setpgid(0, 0)               = 0
[pid 22687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22687] write(3, "1000", 4)         = 4
[pid 22687] close(3)                    = 0
[pid 22687] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22687] write(1, "executing program\n", 18executing program
) = 18
[pid 22687] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22687] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22687] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22687] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22687] exit_group(0)               = ?
[pid 22687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21831", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21831/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21831/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21831")                        = 0
mkdir("./21832", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22688 attached
, child_tidptr=0x55558cab0650) = 22688
[pid 22688] set_robust_list(0x55558cab0660, 24) = 0
[pid 22688] chdir("./21832")            = 0
[pid 22688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22688] setpgid(0, 0)               = 0
[pid 22688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22688] write(3, "1000", 4)         = 4
[pid 22688] close(3)                    = 0
[pid 22688] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22688] write(1, "executing program\n", 18) = 18
[pid 22688] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22688] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22688] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22688] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22688] exit_group(0)               = ?
[pid 22688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21832", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21832/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21832/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21832")                        = 0
mkdir("./21833", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22689 attached
, child_tidptr=0x55558cab0650) = 22689
[pid 22689] set_robust_list(0x55558cab0660, 24) = 0
[pid 22689] chdir("./21833")            = 0
[pid 22689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22689] setpgid(0, 0)               = 0
[pid 22689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22689] write(3, "1000", 4)         = 4
[pid 22689] close(3)                    = 0
[pid 22689] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22689] write(1, "executing program\n", 18) = 18
[pid 22689] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22689] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22689] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22689] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22689] exit_group(0)               = ?
[pid 22689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21833", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21833/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21833/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21833")                        = 0
mkdir("./21834", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22690 attached
, child_tidptr=0x55558cab0650) = 22690
[pid 22690] set_robust_list(0x55558cab0660, 24) = 0
[pid 22690] chdir("./21834")            = 0
[pid 22690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22690] setpgid(0, 0)               = 0
[pid 22690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22690] write(3, "1000", 4)         = 4
[pid 22690] close(3)                    = 0
[pid 22690] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22690] write(1, "executing program\n", 18) = 18
[pid 22690] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22690] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22690] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22690] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22690] exit_group(0)               = ?
[pid 22690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21834", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21834/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21834/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21834")                        = 0
mkdir("./21835", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22692 attached
, child_tidptr=0x55558cab0650) = 22692
[pid 22692] set_robust_list(0x55558cab0660, 24) = 0
[pid 22692] chdir("./21835")            = 0
[pid 22692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22692] setpgid(0, 0)               = 0
[pid 22692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22692] write(3, "1000", 4)         = 4
[pid 22692] close(3)                    = 0
[pid 22692] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22692] write(1, "executing program\n", 18) = 18
[pid 22692] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22692] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22692] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22692] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22692] exit_group(0)               = ?
[pid 22692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21835", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21835/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21835/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21835")                        = 0
mkdir("./21836", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22693 attached
, child_tidptr=0x55558cab0650) = 22693
[pid 22693] set_robust_list(0x55558cab0660, 24) = 0
[pid 22693] chdir("./21836")            = 0
[pid 22693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22693] setpgid(0, 0)               = 0
[pid 22693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22693] write(3, "1000", 4)         = 4
[pid 22693] close(3)                    = 0
[pid 22693] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22693] write(1, "executing program\n", 18) = 18
[pid 22693] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22693] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22693] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22693] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22693] exit_group(0)               = ?
[pid 22693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21836", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21836/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21836/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21836")                        = 0
mkdir("./21837", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22694 attached
, child_tidptr=0x55558cab0650) = 22694
[pid 22694] set_robust_list(0x55558cab0660, 24) = 0
[pid 22694] chdir("./21837")            = 0
[pid 22694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22694] setpgid(0, 0)               = 0
[pid 22694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22694] write(3, "1000", 4)         = 4
[pid 22694] close(3)                    = 0
[pid 22694] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22694] write(1, "executing program\n", 18) = 18
[pid 22694] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22694] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22694] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22694] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22694] exit_group(0)               = ?
[pid 22694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21837", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21837/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21837/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21837")                        = 0
mkdir("./21838", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22695
./strace-static-x86_64: Process 22695 attached
[pid 22695] set_robust_list(0x55558cab0660, 24) = 0
[pid 22695] chdir("./21838")            = 0
[pid 22695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22695] setpgid(0, 0)               = 0
[pid 22695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22695] write(3, "1000", 4)         = 4
[pid 22695] close(3)                    = 0
[pid 22695] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22695] write(1, "executing program\n", 18) = 18
[pid 22695] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22695] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22695] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22695] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22695] exit_group(0)               = ?
[pid 22695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21838", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21838/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21838/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21838")                        = 0
mkdir("./21839", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22696 attached
, child_tidptr=0x55558cab0650) = 22696
[pid 22696] set_robust_list(0x55558cab0660, 24) = 0
[pid 22696] chdir("./21839")            = 0
[pid 22696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22696] setpgid(0, 0)               = 0
[pid 22696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22696] write(3, "1000", 4)         = 4
[pid 22696] close(3)                    = 0
[pid 22696] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22696] write(1, "executing program\n", 18executing program
) = 18
[pid 22696] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22696] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22696] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22696] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22696] exit_group(0)               = ?
[pid 22696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21839", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21839/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21839/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21839")                        = 0
mkdir("./21840", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22697 attached
, child_tidptr=0x55558cab0650) = 22697
[pid 22697] set_robust_list(0x55558cab0660, 24) = 0
[pid 22697] chdir("./21840")            = 0
[pid 22697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22697] setpgid(0, 0)               = 0
[pid 22697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22697] write(3, "1000", 4)         = 4
[pid 22697] close(3)                    = 0
[pid 22697] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22697] write(1, "executing program\n", 18executing program
) = 18
[pid 22697] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22697] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22697] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22697] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22697] exit_group(0)               = ?
[pid 22697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21840", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21840/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21840/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21840")                        = 0
mkdir("./21841", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22698 attached
, child_tidptr=0x55558cab0650) = 22698
[pid 22698] set_robust_list(0x55558cab0660, 24) = 0
[pid 22698] chdir("./21841")            = 0
[pid 22698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22698] setpgid(0, 0)               = 0
[pid 22698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22698] write(3, "1000", 4)         = 4
[pid 22698] close(3)                    = 0
[pid 22698] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22698] write(1, "executing program\n", 18) = 18
[pid 22698] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22698] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22698] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22698] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22698] exit_group(0)               = ?
[pid 22698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21841", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21841/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21841/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21841")                        = 0
mkdir("./21842", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22699 attached
, child_tidptr=0x55558cab0650) = 22699
[pid 22699] set_robust_list(0x55558cab0660, 24) = 0
[pid 22699] chdir("./21842")            = 0
[pid 22699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22699] setpgid(0, 0)               = 0
[pid 22699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22699] write(3, "1000", 4)         = 4
[pid 22699] close(3)                    = 0
[pid 22699] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22699] write(1, "executing program\n", 18executing program
) = 18
[pid 22699] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22699] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22699] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22699] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22699] exit_group(0)               = ?
[pid 22699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21842", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21842/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21842/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21842")                        = 0
mkdir("./21843", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22700 attached
, child_tidptr=0x55558cab0650) = 22700
[pid 22700] set_robust_list(0x55558cab0660, 24) = 0
[pid 22700] chdir("./21843")            = 0
[pid 22700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22700] setpgid(0, 0)               = 0
[pid 22700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22700] write(3, "1000", 4)         = 4
[pid 22700] close(3)                    = 0
[pid 22700] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22700] write(1, "executing program\n", 18) = 18
executing program
[pid 22700] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22700] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22700] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22700] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22700] exit_group(0)               = ?
[pid 22700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21843", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21843/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21843/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21843")                        = 0
mkdir("./21844", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22701 attached
, child_tidptr=0x55558cab0650) = 22701
[pid 22701] set_robust_list(0x55558cab0660, 24) = 0
[pid 22701] chdir("./21844")            = 0
[pid 22701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22701] setpgid(0, 0)               = 0
[pid 22701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22701] write(3, "1000", 4)         = 4
[pid 22701] close(3)                    = 0
[pid 22701] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22701] write(1, "executing program\n", 18) = 18
[pid 22701] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22701] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22701] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22701] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22701] exit_group(0)               = ?
[pid 22701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21844", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21844/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21844/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21844")                        = 0
mkdir("./21845", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22702 attached
, child_tidptr=0x55558cab0650) = 22702
[pid 22702] set_robust_list(0x55558cab0660, 24) = 0
[pid 22702] chdir("./21845")            = 0
[pid 22702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22702] setpgid(0, 0)               = 0
[pid 22702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22702] write(3, "1000", 4)         = 4
[pid 22702] close(3)                    = 0
[pid 22702] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22702] write(1, "executing program\n", 18) = 18
[pid 22702] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22702] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22702] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22702] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22702] exit_group(0)               = ?
[pid 22702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21845", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21845/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21845/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21845")                        = 0
mkdir("./21846", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22703
./strace-static-x86_64: Process 22703 attached
[pid 22703] set_robust_list(0x55558cab0660, 24) = 0
[pid 22703] chdir("./21846")            = 0
[pid 22703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22703] setpgid(0, 0)               = 0
[pid 22703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22703] write(3, "1000", 4)         = 4
[pid 22703] close(3)                    = 0
[pid 22703] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22703] write(1, "executing program\n", 18) = 18
executing program
[pid 22703] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22703] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22703] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22703] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22703] exit_group(0)               = ?
[pid 22703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21846", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21846/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21846/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21846")                        = 0
mkdir("./21847", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22704 attached
, child_tidptr=0x55558cab0650) = 22704
[pid 22704] set_robust_list(0x55558cab0660, 24) = 0
[pid 22704] chdir("./21847")            = 0
[pid 22704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22704] setpgid(0, 0)               = 0
[pid 22704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22704] write(3, "1000", 4)         = 4
[pid 22704] close(3)                    = 0
[pid 22704] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22704] write(1, "executing program\n", 18) = 18
[pid 22704] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22704] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22704] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22704] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22704] exit_group(0)               = ?
[pid 22704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21847", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21847/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21847/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21847")                        = 0
mkdir("./21848", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22705
./strace-static-x86_64: Process 22705 attached
[pid 22705] set_robust_list(0x55558cab0660, 24) = 0
[pid 22705] chdir("./21848")            = 0
[pid 22705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22705] setpgid(0, 0)               = 0
[pid 22705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22705] write(3, "1000", 4)         = 4
[pid 22705] close(3)                    = 0
[pid 22705] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22705] write(1, "executing program\n", 18executing program
) = 18
[pid 22705] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22705] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22705] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22705] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22705] exit_group(0)               = ?
[pid 22705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21848", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21848/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21848/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21848")                        = 0
mkdir("./21849", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22706 attached
, child_tidptr=0x55558cab0650) = 22706
[pid 22706] set_robust_list(0x55558cab0660, 24) = 0
[pid 22706] chdir("./21849")            = 0
[pid 22706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22706] setpgid(0, 0)               = 0
[pid 22706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22706] write(3, "1000", 4)         = 4
[pid 22706] close(3)                    = 0
[pid 22706] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22706] write(1, "executing program\n", 18) = 18
[pid 22706] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22706] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22706] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22706] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22706] exit_group(0)               = ?
[pid 22706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21849", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21849/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21849/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21849")                        = 0
mkdir("./21850", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22707
./strace-static-x86_64: Process 22707 attached
[pid 22707] set_robust_list(0x55558cab0660, 24) = 0
[pid 22707] chdir("./21850")            = 0
[pid 22707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22707] setpgid(0, 0)               = 0
[pid 22707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22707] write(3, "1000", 4)         = 4
[pid 22707] close(3)                    = 0
[pid 22707] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22707] write(1, "executing program\n", 18) = 18
[pid 22707] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22707] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22707] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22707] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22707] exit_group(0)               = ?
[pid 22707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21850", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21850/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21850/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21850")                        = 0
mkdir("./21851", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 22708 attached
, child_tidptr=0x55558cab0650) = 22708
[pid 22708] set_robust_list(0x55558cab0660, 24) = 0
[pid 22708] chdir("./21851")            = 0
[pid 22708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22708] setpgid(0, 0)               = 0
[pid 22708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22708] write(3, "1000", 4)         = 4
[pid 22708] close(3)                    = 0
[pid 22708] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22708] write(1, "executing program\n", 18) = 18
[pid 22708] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22708] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22708] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22708] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22708] exit_group(0)               = ?
[pid 22708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21851", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21851/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21851/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21851")                        = 0
mkdir("./21852", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22709 attached
, child_tidptr=0x55558cab0650) = 22709
[pid 22709] set_robust_list(0x55558cab0660, 24) = 0
[pid 22709] chdir("./21852")            = 0
[pid 22709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22709] setpgid(0, 0)               = 0
[pid 22709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22709] write(3, "1000", 4)         = 4
[pid 22709] close(3)                    = 0
[pid 22709] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22709] write(1, "executing program\n", 18executing program
) = 18
[pid 22709] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22709] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22709] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22709] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22709] exit_group(0)               = ?
[pid 22709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21852", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21852/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21852/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21852")                        = 0
mkdir("./21853", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22710 attached
, child_tidptr=0x55558cab0650) = 22710
[pid 22710] set_robust_list(0x55558cab0660, 24) = 0
[pid 22710] chdir("./21853")            = 0
[pid 22710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22710] setpgid(0, 0)               = 0
[pid 22710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22710] write(3, "1000", 4)         = 4
[pid 22710] close(3)                    = 0
[pid 22710] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22710] write(1, "executing program\n", 18) = 18
[pid 22710] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22710] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22710] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22710] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22710] exit_group(0)               = ?
[pid 22710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21853", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21853/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21853/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21853")                        = 0
mkdir("./21854", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22711 attached
, child_tidptr=0x55558cab0650) = 22711
[pid 22711] set_robust_list(0x55558cab0660, 24) = 0
[pid 22711] chdir("./21854")            = 0
[pid 22711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22711] setpgid(0, 0)               = 0
[pid 22711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22711] write(3, "1000", 4)         = 4
[pid 22711] close(3)                    = 0
[pid 22711] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22711] write(1, "executing program\n", 18) = 18
[pid 22711] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22711] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22711] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22711] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22711] exit_group(0)               = ?
[pid 22711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21854", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21854/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21854/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21854")                        = 0
mkdir("./21855", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22712
./strace-static-x86_64: Process 22712 attached
[pid 22712] set_robust_list(0x55558cab0660, 24) = 0
[pid 22712] chdir("./21855")            = 0
[pid 22712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22712] setpgid(0, 0)               = 0
[pid 22712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22712] write(3, "1000", 4)         = 4
[pid 22712] close(3)                    = 0
[pid 22712] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22712] write(1, "executing program\n", 18) = 18
[pid 22712] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22712] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22712] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22712] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22712] exit_group(0)               = ?
[pid 22712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21855", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21855/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21855/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21855")                        = 0
mkdir("./21856", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22713
./strace-static-x86_64: Process 22713 attached
[pid 22713] set_robust_list(0x55558cab0660, 24) = 0
[pid 22713] chdir("./21856")            = 0
[pid 22713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22713] setpgid(0, 0)               = 0
[pid 22713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22713] write(3, "1000", 4)         = 4
[pid 22713] close(3)                    = 0
[pid 22713] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22713] write(1, "executing program\n", 18) = 18
executing program
[pid 22713] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22713] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22713] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22713] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22713] exit_group(0)               = ?
[pid 22713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21856", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21856/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21856/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21856")                        = 0
mkdir("./21857", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22714
./strace-static-x86_64: Process 22714 attached
[pid 22714] set_robust_list(0x55558cab0660, 24) = 0
[pid 22714] chdir("./21857")            = 0
[pid 22714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22714] setpgid(0, 0)               = 0
[pid 22714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22714] write(3, "1000", 4)         = 4
[pid 22714] close(3)                    = 0
[pid 22714] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22714] write(1, "executing program\n", 18) = 18
[pid 22714] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22714] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22714] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22714] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22714] exit_group(0)               = ?
[pid 22714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21857", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21857/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21857/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21857")                        = 0
mkdir("./21858", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22715 attached
, child_tidptr=0x55558cab0650) = 22715
[pid 22715] set_robust_list(0x55558cab0660, 24) = 0
[pid 22715] chdir("./21858")            = 0
[pid 22715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22715] setpgid(0, 0)               = 0
[pid 22715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22715] write(3, "1000", 4)         = 4
[pid 22715] close(3)                    = 0
[pid 22715] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22715] write(1, "executing program\n", 18) = 18
[pid 22715] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22715] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22715] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22715] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22715] exit_group(0)               = ?
[pid 22715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21858", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21858/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21858/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21858")                        = 0
mkdir("./21859", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22716
./strace-static-x86_64: Process 22716 attached
[pid 22716] set_robust_list(0x55558cab0660, 24) = 0
[pid 22716] chdir("./21859")            = 0
[pid 22716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22716] setpgid(0, 0)               = 0
[pid 22716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22716] write(3, "1000", 4)         = 4
[pid 22716] close(3)                    = 0
[pid 22716] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22716] write(1, "executing program\n", 18) = 18
[pid 22716] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22716] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22716] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22716] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22716] exit_group(0)               = ?
[pid 22716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21859", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21859/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21859/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21859")                        = 0
mkdir("./21860", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22717
./strace-static-x86_64: Process 22717 attached
[pid 22717] set_robust_list(0x55558cab0660, 24) = 0
[pid 22717] chdir("./21860")            = 0
[pid 22717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22717] setpgid(0, 0)               = 0
[pid 22717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22717] write(3, "1000", 4)         = 4
[pid 22717] close(3)                    = 0
[pid 22717] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22717] write(1, "executing program\n", 18executing program
) = 18
[pid 22717] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22717] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22717] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22717] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22717] exit_group(0)               = ?
[pid 22717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21860", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21860/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21860/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21860")                        = 0
mkdir("./21861", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22718
./strace-static-x86_64: Process 22718 attached
[pid 22718] set_robust_list(0x55558cab0660, 24) = 0
[pid 22718] chdir("./21861")            = 0
[pid 22718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22718] setpgid(0, 0)               = 0
[pid 22718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22718] write(3, "1000", 4)         = 4
[pid 22718] close(3)                    = 0
[pid 22718] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22718] write(1, "executing program\n", 18executing program
) = 18
[pid 22718] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22718] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22718] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22718] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22718] exit_group(0)               = ?
[pid 22718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21861", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21861/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21861/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21861")                        = 0
mkdir("./21862", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22719
./strace-static-x86_64: Process 22719 attached
[pid 22719] set_robust_list(0x55558cab0660, 24) = 0
[pid 22719] chdir("./21862")            = 0
[pid 22719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22719] setpgid(0, 0)               = 0
[pid 22719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22719] write(3, "1000", 4)         = 4
[pid 22719] close(3)                    = 0
[pid 22719] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22719] write(1, "executing program\n", 18executing program
) = 18
[pid 22719] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22719] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22719] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22719] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22719] exit_group(0)               = ?
[pid 22719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21862", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21862/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21862/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21862")                        = 0
mkdir("./21863", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22720 attached
, child_tidptr=0x55558cab0650) = 22720
[pid 22720] set_robust_list(0x55558cab0660, 24) = 0
[pid 22720] chdir("./21863")            = 0
[pid 22720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22720] setpgid(0, 0)               = 0
[pid 22720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22720] write(3, "1000", 4)         = 4
[pid 22720] close(3)                    = 0
[pid 22720] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22720] write(1, "executing program\n", 18executing program
) = 18
[pid 22720] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22720] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22720] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22720] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22720] exit_group(0)               = ?
[pid 22720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21863", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21863/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21863/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21863")                        = 0
mkdir("./21864", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22721 attached
, child_tidptr=0x55558cab0650) = 22721
[pid 22721] set_robust_list(0x55558cab0660, 24) = 0
[pid 22721] chdir("./21864")            = 0
[pid 22721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22721] setpgid(0, 0)               = 0
[pid 22721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22721] write(3, "1000", 4)         = 4
[pid 22721] close(3)                    = 0
[pid 22721] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22721] write(1, "executing program\n", 18) = 18
[pid 22721] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22721] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22721] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22721] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22721] exit_group(0)               = ?
[pid 22721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21864", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21864/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21864/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21864")                        = 0
mkdir("./21865", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22722
./strace-static-x86_64: Process 22722 attached
[pid 22722] set_robust_list(0x55558cab0660, 24) = 0
[pid 22722] chdir("./21865")            = 0
[pid 22722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22722] setpgid(0, 0)               = 0
[pid 22722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22722] write(3, "1000", 4)         = 4
[pid 22722] close(3)                    = 0
[pid 22722] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22722] write(1, "executing program\n", 18) = 18
[pid 22722] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22722] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22722] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22722] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22722] exit_group(0)               = ?
[pid 22722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21865", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21865/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21865/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21865")                        = 0
mkdir("./21866", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22723
./strace-static-x86_64: Process 22723 attached
[pid 22723] set_robust_list(0x55558cab0660, 24) = 0
[pid 22723] chdir("./21866")            = 0
[pid 22723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22723] setpgid(0, 0)               = 0
[pid 22723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22723] write(3, "1000", 4)         = 4
[pid 22723] close(3)                    = 0
[pid 22723] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22723] write(1, "executing program\n", 18executing program
) = 18
[pid 22723] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22723] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22723] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22723] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22723] exit_group(0)               = ?
[pid 22723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21866", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21866/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21866/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21866")                        = 0
mkdir("./21867", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22724 attached
, child_tidptr=0x55558cab0650) = 22724
[pid 22724] set_robust_list(0x55558cab0660, 24) = 0
[pid 22724] chdir("./21867")            = 0
[pid 22724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22724] setpgid(0, 0)               = 0
[pid 22724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22724] write(3, "1000", 4)         = 4
[pid 22724] close(3)                    = 0
[pid 22724] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22724] write(1, "executing program\n", 18) = 18
[pid 22724] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22724] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22724] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22724] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22724] exit_group(0)               = ?
[pid 22724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22724, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21867", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21867/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21867/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21867")                        = 0
mkdir("./21868", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22725 attached
, child_tidptr=0x55558cab0650) = 22725
[pid 22725] set_robust_list(0x55558cab0660, 24) = 0
[pid 22725] chdir("./21868")            = 0
[pid 22725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22725] setpgid(0, 0)               = 0
[pid 22725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22725] write(3, "1000", 4)         = 4
[pid 22725] close(3)                    = 0
[pid 22725] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22725] write(1, "executing program\n", 18) = 18
[pid 22725] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22725] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22725] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22725] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22725] exit_group(0)               = ?
[pid 22725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21868", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21868/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21868/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21868")                        = 0
mkdir("./21869", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22726 attached
, child_tidptr=0x55558cab0650) = 22726
[pid 22726] set_robust_list(0x55558cab0660, 24) = 0
[pid 22726] chdir("./21869")            = 0
[pid 22726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22726] setpgid(0, 0)               = 0
[pid 22726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22726] write(3, "1000", 4)         = 4
[pid 22726] close(3)                    = 0
[pid 22726] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22726] write(1, "executing program\n", 18executing program
) = 18
[pid 22726] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22726] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22726] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22726] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22726] exit_group(0)               = ?
[pid 22726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21869", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21869/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21869/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21869")                        = 0
mkdir("./21870", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22727 attached
, child_tidptr=0x55558cab0650) = 22727
[pid 22727] set_robust_list(0x55558cab0660, 24) = 0
[pid 22727] chdir("./21870")            = 0
[pid 22727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22727] setpgid(0, 0)               = 0
[pid 22727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22727] write(3, "1000", 4)         = 4
[pid 22727] close(3)                    = 0
[pid 22727] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22727] write(1, "executing program\n", 18) = 18
[pid 22727] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22727] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22727] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22727] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22727] exit_group(0)               = ?
[pid 22727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21870", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21870/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21870/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21870")                        = 0
mkdir("./21871", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22728
./strace-static-x86_64: Process 22728 attached
[pid 22728] set_robust_list(0x55558cab0660, 24) = 0
[pid 22728] chdir("./21871")            = 0
[pid 22728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22728] setpgid(0, 0)               = 0
[pid 22728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22728] write(3, "1000", 4)         = 4
[pid 22728] close(3)                    = 0
[pid 22728] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22728] write(1, "executing program\n", 18) = 18
[pid 22728] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22728] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22728] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22728] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22728] exit_group(0)               = ?
[pid 22728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21871", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21871/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21871/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21871")                        = 0
mkdir("./21872", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22729
./strace-static-x86_64: Process 22729 attached
[pid 22729] set_robust_list(0x55558cab0660, 24) = 0
[pid 22729] chdir("./21872")            = 0
[pid 22729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22729] setpgid(0, 0)               = 0
[pid 22729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22729] write(3, "1000", 4)         = 4
[pid 22729] close(3)                    = 0
[pid 22729] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22729] write(1, "executing program\n", 18) = 18
[pid 22729] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22729] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22729] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22729] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22729] exit_group(0)               = ?
[pid 22729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21872", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21872/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21872/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21872")                        = 0
mkdir("./21873", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22730
./strace-static-x86_64: Process 22730 attached
[pid 22730] set_robust_list(0x55558cab0660, 24) = 0
[pid 22730] chdir("./21873")            = 0
[pid 22730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22730] setpgid(0, 0)               = 0
[pid 22730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22730] write(3, "1000", 4)         = 4
[pid 22730] close(3)                    = 0
[pid 22730] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22730] write(1, "executing program\n", 18) = 18
[pid 22730] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22730] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22730] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22730] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22730] exit_group(0)               = ?
[pid 22730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21873", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21873/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21873/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21873")                        = 0
mkdir("./21874", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22731
./strace-static-x86_64: Process 22731 attached
[pid 22731] set_robust_list(0x55558cab0660, 24) = 0
[pid 22731] chdir("./21874")            = 0
[pid 22731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22731] setpgid(0, 0)               = 0
[pid 22731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22731] write(3, "1000", 4)         = 4
[pid 22731] close(3)                    = 0
[pid 22731] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22731] write(1, "executing program\n", 18) = 18
[pid 22731] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22731] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22731] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22731] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22731] exit_group(0)               = ?
[pid 22731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21874", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21874/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21874/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21874")                        = 0
mkdir("./21875", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22732 attached
, child_tidptr=0x55558cab0650) = 22732
[pid 22732] set_robust_list(0x55558cab0660, 24) = 0
[pid 22732] chdir("./21875")            = 0
[pid 22732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22732] setpgid(0, 0)               = 0
[pid 22732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22732] write(3, "1000", 4)         = 4
[pid 22732] close(3)                    = 0
[pid 22732] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22732] write(1, "executing program\n", 18executing program
) = 18
[pid 22732] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22732] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22732] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22732] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22732] exit_group(0)               = ?
[pid 22732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21875", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21875/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21875/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21875")                        = 0
mkdir("./21876", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22733
./strace-static-x86_64: Process 22733 attached
[pid 22733] set_robust_list(0x55558cab0660, 24) = 0
[pid 22733] chdir("./21876")            = 0
[pid 22733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22733] setpgid(0, 0)               = 0
[pid 22733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22733] write(3, "1000", 4)         = 4
[pid 22733] close(3)                    = 0
[pid 22733] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22733] write(1, "executing program\n", 18executing program
) = 18
[pid 22733] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22733] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22733] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22733] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22733] exit_group(0)               = ?
[pid 22733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21876", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21876/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21876/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21876")                        = 0
mkdir("./21877", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22734
./strace-static-x86_64: Process 22734 attached
[pid 22734] set_robust_list(0x55558cab0660, 24) = 0
[pid 22734] chdir("./21877")            = 0
[pid 22734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22734] setpgid(0, 0)               = 0
[pid 22734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22734] write(3, "1000", 4)         = 4
[pid 22734] close(3)                    = 0
[pid 22734] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22734] write(1, "executing program\n", 18) = 18
[pid 22734] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22734] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22734] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22734] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22734] exit_group(0)               = ?
[pid 22734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21877", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21877/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21877/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21877")                        = 0
mkdir("./21878", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22735
./strace-static-x86_64: Process 22735 attached
[pid 22735] set_robust_list(0x55558cab0660, 24) = 0
[pid 22735] chdir("./21878")            = 0
[pid 22735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22735] setpgid(0, 0)               = 0
[pid 22735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22735] write(3, "1000", 4)         = 4
[pid 22735] close(3)                    = 0
[pid 22735] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22735] write(1, "executing program\n", 18) = 18
[pid 22735] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22735] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22735] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22735] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22735] exit_group(0)               = ?
[pid 22735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21878", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21878/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21878/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21878")                        = 0
mkdir("./21879", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22736 attached
, child_tidptr=0x55558cab0650) = 22736
[pid 22736] set_robust_list(0x55558cab0660, 24) = 0
[pid 22736] chdir("./21879")            = 0
[pid 22736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22736] setpgid(0, 0)               = 0
[pid 22736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22736] write(3, "1000", 4)         = 4
[pid 22736] close(3)                    = 0
[pid 22736] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22736] write(1, "executing program\n", 18) = 18
[pid 22736] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22736] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22736] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22736] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22736] exit_group(0)               = ?
[pid 22736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21879", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21879/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21879/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21879")                        = 0
mkdir("./21880", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22737 attached
, child_tidptr=0x55558cab0650) = 22737
[pid 22737] set_robust_list(0x55558cab0660, 24) = 0
[pid 22737] chdir("./21880")            = 0
[pid 22737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22737] setpgid(0, 0)               = 0
[pid 22737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22737] write(3, "1000", 4)         = 4
[pid 22737] close(3)                    = 0
[pid 22737] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22737] write(1, "executing program\n", 18) = 18
[pid 22737] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22737] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22737] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22737] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22737] exit_group(0)               = ?
[pid 22737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21880", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21880/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21880/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21880")                        = 0
mkdir("./21881", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22738 attached
, child_tidptr=0x55558cab0650) = 22738
[pid 22738] set_robust_list(0x55558cab0660, 24) = 0
[pid 22738] chdir("./21881")            = 0
[pid 22738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22738] setpgid(0, 0)               = 0
[pid 22738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22738] write(3, "1000", 4)         = 4
[pid 22738] close(3)                    = 0
[pid 22738] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22738] write(1, "executing program\n", 18executing program
) = 18
[pid 22738] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22738] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22738] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22738] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22738] exit_group(0)               = ?
[pid 22738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21881", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21881/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21881/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21881")                        = 0
mkdir("./21882", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22739
./strace-static-x86_64: Process 22739 attached
[pid 22739] set_robust_list(0x55558cab0660, 24) = 0
[pid 22739] chdir("./21882")            = 0
[pid 22739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22739] setpgid(0, 0)               = 0
[pid 22739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22739] write(3, "1000", 4)         = 4
[pid 22739] close(3)                    = 0
[pid 22739] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22739] write(1, "executing program\n", 18) = 18
[pid 22739] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22739] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22739] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22739] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22739] exit_group(0)               = ?
[pid 22739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21882", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21882/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21882/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21882")                        = 0
mkdir("./21883", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22740 attached
, child_tidptr=0x55558cab0650) = 22740
[pid 22740] set_robust_list(0x55558cab0660, 24) = 0
[pid 22740] chdir("./21883")            = 0
[pid 22740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22740] setpgid(0, 0)               = 0
[pid 22740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22740] write(3, "1000", 4)         = 4
[pid 22740] close(3)                    = 0
[pid 22740] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22740] write(1, "executing program\n", 18) = 18
[pid 22740] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22740] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22740] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22740] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22740] exit_group(0)               = ?
[pid 22740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21883", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21883/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21883/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21883")                        = 0
mkdir("./21884", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22741
./strace-static-x86_64: Process 22741 attached
[pid 22741] set_robust_list(0x55558cab0660, 24) = 0
[pid 22741] chdir("./21884")            = 0
[pid 22741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22741] setpgid(0, 0)               = 0
[pid 22741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22741] write(3, "1000", 4)         = 4
[pid 22741] close(3)                    = 0
[pid 22741] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22741] write(1, "executing program\n", 18executing program
) = 18
[pid 22741] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22741] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22741] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22741] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22741] exit_group(0)               = ?
[pid 22741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21884", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21884/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21884/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21884")                        = 0
mkdir("./21885", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22742
./strace-static-x86_64: Process 22742 attached
[pid 22742] set_robust_list(0x55558cab0660, 24) = 0
[pid 22742] chdir("./21885")            = 0
[pid 22742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22742] setpgid(0, 0)               = 0
[pid 22742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22742] write(3, "1000", 4)         = 4
[pid 22742] close(3)                    = 0
[pid 22742] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22742] write(1, "executing program\n", 18) = 18
[pid 22742] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22742] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22742] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22742] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22742] exit_group(0)               = ?
[pid 22742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21885", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21885/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21885/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21885")                        = 0
mkdir("./21886", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22743 attached
, child_tidptr=0x55558cab0650) = 22743
[pid 22743] set_robust_list(0x55558cab0660, 24) = 0
[pid 22743] chdir("./21886")            = 0
[pid 22743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22743] setpgid(0, 0)               = 0
[pid 22743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22743] write(3, "1000", 4)         = 4
[pid 22743] close(3)                    = 0
[pid 22743] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22743] write(1, "executing program\n", 18) = 18
[pid 22743] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22743] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22743] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22743] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22743] exit_group(0)               = ?
[pid 22743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21886", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21886/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21886/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21886")                        = 0
mkdir("./21887", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22744
./strace-static-x86_64: Process 22744 attached
[pid 22744] set_robust_list(0x55558cab0660, 24) = 0
[pid 22744] chdir("./21887")            = 0
[pid 22744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22744] setpgid(0, 0)               = 0
[pid 22744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22744] write(3, "1000", 4)         = 4
[pid 22744] close(3)                    = 0
[pid 22744] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22744] write(1, "executing program\n", 18executing program
) = 18
[pid 22744] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22744] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22744] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22744] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22744] exit_group(0)               = ?
[pid 22744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21887", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21887/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21887/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21887")                        = 0
mkdir("./21888", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22745 attached
, child_tidptr=0x55558cab0650) = 22745
[pid 22745] set_robust_list(0x55558cab0660, 24) = 0
[pid 22745] chdir("./21888")            = 0
[pid 22745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22745] setpgid(0, 0)               = 0
[pid 22745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22745] write(3, "1000", 4)         = 4
[pid 22745] close(3)                    = 0
[pid 22745] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22745] write(1, "executing program\n", 18) = 18
[pid 22745] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22745] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22745] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22745] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22745] exit_group(0)               = ?
[pid 22745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21888", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21888/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21888/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21888")                        = 0
mkdir("./21889", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22746
./strace-static-x86_64: Process 22746 attached
[pid 22746] set_robust_list(0x55558cab0660, 24) = 0
[pid 22746] chdir("./21889")            = 0
[pid 22746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22746] setpgid(0, 0)               = 0
[pid 22746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22746] write(3, "1000", 4)         = 4
[pid 22746] close(3)                    = 0
[pid 22746] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22746] write(1, "executing program\n", 18executing program
) = 18
[pid 22746] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22746] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22746] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22746] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22746] exit_group(0)               = ?
[pid 22746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21889", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21889/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21889/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21889")                        = 0
mkdir("./21890", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22747
./strace-static-x86_64: Process 22747 attached
[pid 22747] set_robust_list(0x55558cab0660, 24) = 0
[pid 22747] chdir("./21890")            = 0
[pid 22747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22747] setpgid(0, 0)               = 0
[pid 22747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22747] write(3, "1000", 4)         = 4
[pid 22747] close(3)                    = 0
[pid 22747] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22747] write(1, "executing program\n", 18) = 18
[pid 22747] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22747] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22747] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22747] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22747] exit_group(0)               = ?
[pid 22747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21890", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21890/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21890/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21890")                        = 0
mkdir("./21891", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22748
./strace-static-x86_64: Process 22748 attached
[pid 22748] set_robust_list(0x55558cab0660, 24) = 0
[pid 22748] chdir("./21891")            = 0
[pid 22748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22748] setpgid(0, 0)               = 0
[pid 22748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22748] write(3, "1000", 4)         = 4
[pid 22748] close(3)                    = 0
[pid 22748] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22748] write(1, "executing program\n", 18executing program
) = 18
[pid 22748] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22748] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22748] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22748] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22748] exit_group(0)               = ?
[pid 22748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21891", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21891/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21891/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21891")                        = 0
mkdir("./21892", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22749
./strace-static-x86_64: Process 22749 attached
[pid 22749] set_robust_list(0x55558cab0660, 24) = 0
[pid 22749] chdir("./21892")            = 0
[pid 22749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22749] setpgid(0, 0)               = 0
[pid 22749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22749] write(3, "1000", 4)         = 4
[pid 22749] close(3)                    = 0
[pid 22749] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22749] write(1, "executing program\n", 18executing program
) = 18
[pid 22749] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22749] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22749] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22749] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22749] exit_group(0)               = ?
[pid 22749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21892", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21892/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21892/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21892")                        = 0
mkdir("./21893", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22750 attached
 <unfinished ...>
[pid 22750] set_robust_list(0x55558cab0660, 24) = 0
[pid 22750] chdir("./21893" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22750
[pid 22750] <... chdir resumed>)        = 0
[pid 22750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22750] setpgid(0, 0)               = 0
[pid 22750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22750] write(3, "1000", 4)         = 4
[pid 22750] close(3)                    = 0
[pid 22750] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22750] write(1, "executing program\n", 18) = 18
[pid 22750] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22750] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22750] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22750] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22750] exit_group(0)               = ?
[pid 22750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21893", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21893/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21893/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21893")                        = 0
mkdir("./21894", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22751 attached
, child_tidptr=0x55558cab0650) = 22751
[pid 22751] set_robust_list(0x55558cab0660, 24) = 0
[pid 22751] chdir("./21894")            = 0
[pid 22751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22751] setpgid(0, 0)               = 0
[pid 22751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22751] write(3, "1000", 4)         = 4
[pid 22751] close(3)                    = 0
[pid 22751] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22751] write(1, "executing program\n", 18) = 18
[pid 22751] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22751] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22751] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22751] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22751] exit_group(0)               = ?
[pid 22751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21894", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21894/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21894/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21894")                        = 0
mkdir("./21895", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22752
./strace-static-x86_64: Process 22752 attached
[pid 22752] set_robust_list(0x55558cab0660, 24) = 0
[pid 22752] chdir("./21895")            = 0
[pid 22752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22752] setpgid(0, 0)               = 0
[pid 22752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22752] write(3, "1000", 4)         = 4
[pid 22752] close(3)                    = 0
[pid 22752] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22752] write(1, "executing program\n", 18) = 18
[pid 22752] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22752] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22752] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22752] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22752] exit_group(0)               = ?
[pid 22752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22752, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21895", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21895/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21895/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21895")                        = 0
mkdir("./21896", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22753 attached
, child_tidptr=0x55558cab0650) = 22753
[pid 22753] set_robust_list(0x55558cab0660, 24) = 0
[pid 22753] chdir("./21896")            = 0
[pid 22753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22753] setpgid(0, 0)               = 0
[pid 22753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22753] write(3, "1000", 4)         = 4
[pid 22753] close(3)                    = 0
[pid 22753] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22753] write(1, "executing program\n", 18executing program
) = 18
[pid 22753] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22753] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22753] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22753] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22753] exit_group(0)               = ?
[pid 22753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21896", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21896/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21896/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21896")                        = 0
mkdir("./21897", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22754 attached
, child_tidptr=0x55558cab0650) = 22754
[pid 22754] set_robust_list(0x55558cab0660, 24) = 0
[pid 22754] chdir("./21897")            = 0
[pid 22754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22754] setpgid(0, 0)               = 0
[pid 22754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22754] write(3, "1000", 4)         = 4
[pid 22754] close(3)                    = 0
[pid 22754] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22754] write(1, "executing program\n", 18) = 18
[pid 22754] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22754] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22754] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22754] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22754] exit_group(0)               = ?
[pid 22754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21897", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21897/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21897/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21897")                        = 0
mkdir("./21898", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22755
./strace-static-x86_64: Process 22755 attached
[pid 22755] set_robust_list(0x55558cab0660, 24) = 0
[pid 22755] chdir("./21898")            = 0
[pid 22755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22755] setpgid(0, 0)               = 0
[pid 22755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22755] write(3, "1000", 4)         = 4
[pid 22755] close(3)                    = 0
[pid 22755] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22755] write(1, "executing program\n", 18executing program
) = 18
[pid 22755] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22755] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22755] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22755] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22755] exit_group(0)               = ?
[pid 22755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21898", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21898/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21898/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21898")                        = 0
mkdir("./21899", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22756 attached
, child_tidptr=0x55558cab0650) = 22756
[pid 22756] set_robust_list(0x55558cab0660, 24) = 0
[pid 22756] chdir("./21899")            = 0
[pid 22756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22756] setpgid(0, 0)               = 0
[pid 22756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22756] write(3, "1000", 4)         = 4
[pid 22756] close(3)                    = 0
[pid 22756] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22756] write(1, "executing program\n", 18) = 18
[pid 22756] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22756] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22756] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22756] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22756] exit_group(0)               = ?
[pid 22756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21899", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21899/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21899/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21899")                        = 0
mkdir("./21900", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22757 attached
, child_tidptr=0x55558cab0650) = 22757
[pid 22757] set_robust_list(0x55558cab0660, 24) = 0
[pid 22757] chdir("./21900")            = 0
[pid 22757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22757] setpgid(0, 0)               = 0
[pid 22757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22757] write(3, "1000", 4)         = 4
[pid 22757] close(3)                    = 0
[pid 22757] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22757] write(1, "executing program\n", 18) = 18
[pid 22757] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22757] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22757] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22757] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22757] exit_group(0)               = ?
[pid 22757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21900", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21900/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21900/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21900")                        = 0
mkdir("./21901", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22758
./strace-static-x86_64: Process 22758 attached
[pid 22758] set_robust_list(0x55558cab0660, 24) = 0
[pid 22758] chdir("./21901")            = 0
[pid 22758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22758] setpgid(0, 0)               = 0
[pid 22758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22758] write(3, "1000", 4)         = 4
[pid 22758] close(3)                    = 0
[pid 22758] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22758] write(1, "executing program\n", 18executing program
) = 18
[pid 22758] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22758] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22758] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22758] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22758] exit_group(0)               = ?
[pid 22758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21901", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21901/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21901/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21901")                        = 0
mkdir("./21902", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22759
./strace-static-x86_64: Process 22759 attached
[pid 22759] set_robust_list(0x55558cab0660, 24) = 0
[pid 22759] chdir("./21902")            = 0
[pid 22759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22759] setpgid(0, 0)               = 0
[pid 22759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22759] write(3, "1000", 4)         = 4
[pid 22759] close(3)                    = 0
[pid 22759] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22759] write(1, "executing program\n", 18) = 18
[pid 22759] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22759] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22759] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22759] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22759] exit_group(0)               = ?
[pid 22759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21902", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21902/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21902/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21902")                        = 0
mkdir("./21903", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22760
./strace-static-x86_64: Process 22760 attached
[pid 22760] set_robust_list(0x55558cab0660, 24) = 0
[pid 22760] chdir("./21903")            = 0
[pid 22760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22760] setpgid(0, 0)               = 0
[pid 22760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22760] write(3, "1000", 4)         = 4
[pid 22760] close(3)                    = 0
[pid 22760] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22760] write(1, "executing program\n", 18) = 18
[pid 22760] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22760] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22760] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22760] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22760] exit_group(0)               = ?
[pid 22760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21903", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21903/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21903/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21903")                        = 0
mkdir("./21904", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22761
./strace-static-x86_64: Process 22761 attached
[pid 22761] set_robust_list(0x55558cab0660, 24) = 0
[pid 22761] chdir("./21904")            = 0
[pid 22761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22761] setpgid(0, 0)               = 0
[pid 22761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22761] write(3, "1000", 4)         = 4
[pid 22761] close(3)                    = 0
[pid 22761] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22761] write(1, "executing program\n", 18) = 18
[pid 22761] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22761] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22761] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22761] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22761] exit_group(0)               = ?
[pid 22761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21904", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21904/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21904/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21904")                        = 0
mkdir("./21905", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22762
./strace-static-x86_64: Process 22762 attached
[pid 22762] set_robust_list(0x55558cab0660, 24) = 0
[pid 22762] chdir("./21905")            = 0
[pid 22762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22762] setpgid(0, 0)               = 0
[pid 22762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22762] write(3, "1000", 4)         = 4
[pid 22762] close(3)                    = 0
[pid 22762] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22762] write(1, "executing program\n", 18) = 18
[pid 22762] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22762] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22762] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22762] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22762] exit_group(0)               = ?
[pid 22762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21905", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21905/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21905/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21905")                        = 0
mkdir("./21906", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22763
./strace-static-x86_64: Process 22763 attached
[pid 22763] set_robust_list(0x55558cab0660, 24) = 0
[pid 22763] chdir("./21906")            = 0
[pid 22763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22763] setpgid(0, 0)               = 0
[pid 22763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22763] write(3, "1000", 4)         = 4
[pid 22763] close(3)                    = 0
[pid 22763] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22763] write(1, "executing program\n", 18) = 18
[pid 22763] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22763] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22763] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22763] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22763] exit_group(0)               = ?
[pid 22763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21906", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21906/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21906/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21906")                        = 0
mkdir("./21907", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22764 attached
, child_tidptr=0x55558cab0650) = 22764
[pid 22764] set_robust_list(0x55558cab0660, 24) = 0
[pid 22764] chdir("./21907")            = 0
[pid 22764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22764] setpgid(0, 0)               = 0
[pid 22764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22764] write(3, "1000", 4)         = 4
[pid 22764] close(3)                    = 0
[pid 22764] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22764] write(1, "executing program\n", 18executing program
) = 18
[pid 22764] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22764] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22764] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22764] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22764] exit_group(0)               = ?
[pid 22764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21907", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21907/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21907/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21907")                        = 0
mkdir("./21908", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22765 attached
, child_tidptr=0x55558cab0650) = 22765
[pid 22765] set_robust_list(0x55558cab0660, 24) = 0
[pid 22765] chdir("./21908")            = 0
[pid 22765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22765] setpgid(0, 0)               = 0
[pid 22765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22765] write(3, "1000", 4)         = 4
[pid 22765] close(3)                    = 0
[pid 22765] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22765] write(1, "executing program\n", 18executing program
) = 18
[pid 22765] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22765] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22765] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22765] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22765] exit_group(0)               = ?
[pid 22765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21908", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21908/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21908/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21908")                        = 0
mkdir("./21909", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22766
./strace-static-x86_64: Process 22766 attached
[pid 22766] set_robust_list(0x55558cab0660, 24) = 0
[pid 22766] chdir("./21909")            = 0
[pid 22766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22766] setpgid(0, 0)               = 0
[pid 22766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22766] write(3, "1000", 4)         = 4
[pid 22766] close(3)                    = 0
[pid 22766] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22766] write(1, "executing program\n", 18executing program
) = 18
[pid 22766] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22766] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22766] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22766] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22766] exit_group(0)               = ?
[pid 22766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21909", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21909/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21909/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21909")                        = 0
mkdir("./21910", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22768 attached
, child_tidptr=0x55558cab0650) = 22768
[pid 22768] set_robust_list(0x55558cab0660, 24) = 0
[pid 22768] chdir("./21910")            = 0
[pid 22768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22768] setpgid(0, 0)               = 0
[pid 22768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22768] write(3, "1000", 4)         = 4
[pid 22768] close(3)                    = 0
[pid 22768] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22768] write(1, "executing program\n", 18) = 18
[pid 22768] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22768] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22768] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22768] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22768] exit_group(0)               = ?
[pid 22768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21910", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21910/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21910/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21910")                        = 0
mkdir("./21911", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22769 attached
, child_tidptr=0x55558cab0650) = 22769
[pid 22769] set_robust_list(0x55558cab0660, 24) = 0
[pid 22769] chdir("./21911")            = 0
[pid 22769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22769] setpgid(0, 0)               = 0
[pid 22769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22769] write(3, "1000", 4)         = 4
[pid 22769] close(3)                    = 0
[pid 22769] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22769] write(1, "executing program\n", 18) = 18
[pid 22769] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22769] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22769] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22769] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22769] exit_group(0)               = ?
[pid 22769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21911", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21911/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21911/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21911")                        = 0
mkdir("./21912", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22770 attached
, child_tidptr=0x55558cab0650) = 22770
[pid 22770] set_robust_list(0x55558cab0660, 24) = 0
[pid 22770] chdir("./21912")            = 0
[pid 22770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22770] setpgid(0, 0)               = 0
[pid 22770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22770] write(3, "1000", 4)         = 4
[pid 22770] close(3)                    = 0
[pid 22770] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22770] write(1, "executing program\n", 18executing program
) = 18
[pid 22770] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22770] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22770] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22770] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22770] exit_group(0)               = ?
[pid 22770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21912", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21912/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21912/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21912")                        = 0
mkdir("./21913", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22771
./strace-static-x86_64: Process 22771 attached
[pid 22771] set_robust_list(0x55558cab0660, 24) = 0
[pid 22771] chdir("./21913")            = 0
[pid 22771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22771] setpgid(0, 0)               = 0
[pid 22771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22771] write(3, "1000", 4)         = 4
[pid 22771] close(3)                    = 0
[pid 22771] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22771] write(1, "executing program\n", 18) = 18
[pid 22771] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22771] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22771] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22771] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22771] exit_group(0)               = ?
[pid 22771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21913", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21913/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21913/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21913")                        = 0
mkdir("./21914", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22772 attached
, child_tidptr=0x55558cab0650) = 22772
[pid 22772] set_robust_list(0x55558cab0660, 24) = 0
[pid 22772] chdir("./21914")            = 0
[pid 22772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22772] setpgid(0, 0)               = 0
[pid 22772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22772] write(3, "1000", 4)         = 4
[pid 22772] close(3)                    = 0
[pid 22772] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22772] write(1, "executing program\n", 18executing program
) = 18
[pid 22772] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22772] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22772] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22772] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22772] exit_group(0)               = ?
[pid 22772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21914", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21914/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21914/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21914")                        = 0
mkdir("./21915", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22773 attached
, child_tidptr=0x55558cab0650) = 22773
[pid 22773] set_robust_list(0x55558cab0660, 24) = 0
[pid 22773] chdir("./21915")            = 0
[pid 22773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22773] setpgid(0, 0)               = 0
[pid 22773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22773] write(3, "1000", 4)         = 4
[pid 22773] close(3)                    = 0
[pid 22773] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22773] write(1, "executing program\n", 18) = 18
[pid 22773] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22773] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22773] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22773] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22773] exit_group(0)               = ?
[pid 22773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21915", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21915/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21915/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21915")                        = 0
mkdir("./21916", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22774
./strace-static-x86_64: Process 22774 attached
[pid 22774] set_robust_list(0x55558cab0660, 24) = 0
[pid 22774] chdir("./21916")            = 0
[pid 22774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22774] setpgid(0, 0)               = 0
[pid 22774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22774] write(3, "1000", 4)         = 4
[pid 22774] close(3)                    = 0
[pid 22774] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22774] write(1, "executing program\n", 18) = 18
[pid 22774] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22774] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22774] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22774] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22774] exit_group(0)               = ?
[pid 22774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21916", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21916/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21916/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21916")                        = 0
mkdir("./21917", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22775 attached
, child_tidptr=0x55558cab0650) = 22775
[pid 22775] set_robust_list(0x55558cab0660, 24) = 0
[pid 22775] chdir("./21917")            = 0
[pid 22775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22775] setpgid(0, 0)               = 0
[pid 22775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22775] write(3, "1000", 4)         = 4
[pid 22775] close(3)                    = 0
[pid 22775] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22775] write(1, "executing program\n", 18) = 18
[pid 22775] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22775] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22775] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22775] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22775] exit_group(0)               = ?
[pid 22775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21917", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21917/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21917/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21917")                        = 0
mkdir("./21918", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22776
./strace-static-x86_64: Process 22776 attached
[pid 22776] set_robust_list(0x55558cab0660, 24) = 0
[pid 22776] chdir("./21918")            = 0
[pid 22776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22776] setpgid(0, 0)               = 0
[pid 22776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22776] write(3, "1000", 4)         = 4
[pid 22776] close(3)                    = 0
[pid 22776] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22776] write(1, "executing program\n", 18) = 18
[pid 22776] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22776] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22776] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22776] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22776] exit_group(0)               = ?
[pid 22776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21918", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21918/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21918/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21918")                        = 0
mkdir("./21919", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22777 attached
, child_tidptr=0x55558cab0650) = 22777
[pid 22777] set_robust_list(0x55558cab0660, 24) = 0
[pid 22777] chdir("./21919")            = 0
[pid 22777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22777] setpgid(0, 0)               = 0
[pid 22777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22777] write(3, "1000", 4)         = 4
[pid 22777] close(3)                    = 0
[pid 22777] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22777] write(1, "executing program\n", 18executing program
) = 18
[pid 22777] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22777] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22777] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22777] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22777] exit_group(0)               = ?
[pid 22777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21919", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21919/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21919/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21919")                        = 0
mkdir("./21920", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22778
./strace-static-x86_64: Process 22778 attached
[pid 22778] set_robust_list(0x55558cab0660, 24) = 0
[pid 22778] chdir("./21920")            = 0
[pid 22778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22778] setpgid(0, 0)               = 0
[pid 22778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22778] write(3, "1000", 4)         = 4
[pid 22778] close(3)                    = 0
[pid 22778] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22778] write(1, "executing program\n", 18) = 18
[pid 22778] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22778] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22778] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22778] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22778] exit_group(0)               = ?
[pid 22778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22778, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21920", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21920/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21920/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21920")                        = 0
mkdir("./21921", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22779 attached
, child_tidptr=0x55558cab0650) = 22779
[pid 22779] set_robust_list(0x55558cab0660, 24) = 0
[pid 22779] chdir("./21921")            = 0
[pid 22779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22779] setpgid(0, 0)               = 0
[pid 22779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22779] write(3, "1000", 4)         = 4
[pid 22779] close(3)                    = 0
[pid 22779] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22779] write(1, "executing program\n", 18) = 18
[pid 22779] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22779] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22779] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22779] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22779] exit_group(0)               = ?
[pid 22779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21921", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21921/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21921/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21921")                        = 0
mkdir("./21922", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22780
./strace-static-x86_64: Process 22780 attached
[pid 22780] set_robust_list(0x55558cab0660, 24) = 0
[pid 22780] chdir("./21922")            = 0
[pid 22780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22780] setpgid(0, 0)               = 0
[pid 22780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22780] write(3, "1000", 4)         = 4
[pid 22780] close(3)                    = 0
[pid 22780] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22780] write(1, "executing program\n", 18) = 18
[pid 22780] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22780] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22780] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22780] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22780] exit_group(0)               = ?
[pid 22780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21922", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21922/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21922/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21922")                        = 0
mkdir("./21923", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22781 attached
, child_tidptr=0x55558cab0650) = 22781
[pid 22781] set_robust_list(0x55558cab0660, 24) = 0
[pid 22781] chdir("./21923")            = 0
[pid 22781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22781] setpgid(0, 0)               = 0
[pid 22781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22781] write(3, "1000", 4)         = 4
[pid 22781] close(3)                    = 0
[pid 22781] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22781] write(1, "executing program\n", 18) = 18
[pid 22781] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22781] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22781] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22781] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22781] exit_group(0)               = ?
[pid 22781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21923", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21923/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21923/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21923")                        = 0
mkdir("./21924", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22782
./strace-static-x86_64: Process 22782 attached
[pid 22782] set_robust_list(0x55558cab0660, 24) = 0
[pid 22782] chdir("./21924")            = 0
[pid 22782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22782] setpgid(0, 0)               = 0
[pid 22782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22782] write(3, "1000", 4)         = 4
[pid 22782] close(3)                    = 0
[pid 22782] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22782] write(1, "executing program\n", 18) = 18
[pid 22782] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22782] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22782] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22782] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22782] exit_group(0)               = ?
[pid 22782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21924", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21924/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21924/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21924")                        = 0
mkdir("./21925", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22783
./strace-static-x86_64: Process 22783 attached
[pid 22783] set_robust_list(0x55558cab0660, 24) = 0
[pid 22783] chdir("./21925")            = 0
[pid 22783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22783] setpgid(0, 0)               = 0
[pid 22783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22783] write(3, "1000", 4)         = 4
[pid 22783] close(3)                    = 0
[pid 22783] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22783] write(1, "executing program\n", 18) = 18
[pid 22783] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22783] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22783] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22783] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22783] exit_group(0)               = ?
[pid 22783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21925", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21925/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21925/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21925")                        = 0
mkdir("./21926", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22784 attached
, child_tidptr=0x55558cab0650) = 22784
[pid 22784] set_robust_list(0x55558cab0660, 24) = 0
[pid 22784] chdir("./21926")            = 0
[pid 22784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22784] setpgid(0, 0)               = 0
[pid 22784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22784] write(3, "1000", 4)         = 4
[pid 22784] close(3)                    = 0
[pid 22784] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22784] write(1, "executing program\n", 18executing program
) = 18
[pid 22784] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22784] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22784] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22784] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22784] exit_group(0)               = ?
[pid 22784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21926", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21926/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21926/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21926")                        = 0
mkdir("./21927", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22785 attached
, child_tidptr=0x55558cab0650) = 22785
[pid 22785] set_robust_list(0x55558cab0660, 24) = 0
[pid 22785] chdir("./21927")            = 0
[pid 22785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22785] setpgid(0, 0)               = 0
[pid 22785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22785] write(3, "1000", 4)         = 4
[pid 22785] close(3)                    = 0
[pid 22785] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22785] write(1, "executing program\n", 18executing program
) = 18
[pid 22785] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22785] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22785] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22785] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22785] exit_group(0)               = ?
[pid 22785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21927", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21927/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21927/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21927")                        = 0
mkdir("./21928", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22786 attached
, child_tidptr=0x55558cab0650) = 22786
[pid 22786] set_robust_list(0x55558cab0660, 24) = 0
[pid 22786] chdir("./21928")            = 0
[pid 22786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22786] setpgid(0, 0)               = 0
[pid 22786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22786] write(3, "1000", 4)         = 4
[pid 22786] close(3)                    = 0
[pid 22786] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22786] write(1, "executing program\n", 18) = 18
[pid 22786] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22786] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22786] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22786] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22786] exit_group(0)               = ?
[pid 22786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21928", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21928/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21928/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21928")                        = 0
mkdir("./21929", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22787
./strace-static-x86_64: Process 22787 attached
[pid 22787] set_robust_list(0x55558cab0660, 24) = 0
[pid 22787] chdir("./21929")            = 0
[pid 22787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22787] setpgid(0, 0)               = 0
[pid 22787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22787] write(3, "1000", 4)         = 4
[pid 22787] close(3)                    = 0
[pid 22787] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22787] write(1, "executing program\n", 18executing program
) = 18
[pid 22787] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22787] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22787] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22787] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22787] exit_group(0)               = ?
[pid 22787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21929", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21929/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21929/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21929")                        = 0
mkdir("./21930", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22788 attached
, child_tidptr=0x55558cab0650) = 22788
[pid 22788] set_robust_list(0x55558cab0660, 24) = 0
[pid 22788] chdir("./21930")            = 0
[pid 22788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22788] setpgid(0, 0)               = 0
[pid 22788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22788] write(3, "1000", 4)         = 4
[pid 22788] close(3)                    = 0
[pid 22788] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22788] write(1, "executing program\n", 18) = 18
[pid 22788] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22788] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22788] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22788] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22788] exit_group(0)               = ?
[pid 22788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21930", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21930/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21930/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21930")                        = 0
mkdir("./21931", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22789
./strace-static-x86_64: Process 22789 attached
[pid 22789] set_robust_list(0x55558cab0660, 24) = 0
[pid 22789] chdir("./21931")            = 0
[pid 22789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22789] setpgid(0, 0)               = 0
[pid 22789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22789] write(3, "1000", 4)         = 4
[pid 22789] close(3)                    = 0
[pid 22789] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22789] write(1, "executing program\n", 18executing program
) = 18
[pid 22789] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22789] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22789] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22789] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22789] exit_group(0)               = ?
[pid 22789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21931", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21931/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21931/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
executing program
rmdir("./21931")                        = 0
mkdir("./21932", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22790
./strace-static-x86_64: Process 22790 attached
[pid 22790] set_robust_list(0x55558cab0660, 24) = 0
[pid 22790] chdir("./21932")            = 0
[pid 22790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22790] setpgid(0, 0)               = 0
[pid 22790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22790] write(3, "1000", 4)         = 4
[pid 22790] close(3)                    = 0
[pid 22790] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22790] write(1, "executing program\n", 18) = 18
[pid 22790] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22790] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22790] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22790] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22790] exit_group(0)               = ?
[pid 22790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21932", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21932/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21932/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21932")                        = 0
mkdir("./21933", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22791 attached
, child_tidptr=0x55558cab0650) = 22791
[pid 22791] set_robust_list(0x55558cab0660, 24) = 0
[pid 22791] chdir("./21933")            = 0
[pid 22791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22791] setpgid(0, 0)               = 0
[pid 22791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22791] write(3, "1000", 4)         = 4
[pid 22791] close(3)                    = 0
[pid 22791] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22791] write(1, "executing program\n", 18executing program
) = 18
[pid 22791] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22791] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22791] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22791] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22791] exit_group(0)               = ?
[pid 22791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21933", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21933/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21933/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21933")                        = 0
mkdir("./21934", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22792
./strace-static-x86_64: Process 22792 attached
[pid 22792] set_robust_list(0x55558cab0660, 24) = 0
[pid 22792] chdir("./21934")            = 0
[pid 22792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22792] setpgid(0, 0)               = 0
[pid 22792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22792] write(3, "1000", 4)         = 4
[pid 22792] close(3)                    = 0
[pid 22792] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22792] write(1, "executing program\n", 18executing program
) = 18
[pid 22792] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22792] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22792] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22792] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22792] exit_group(0)               = ?
[pid 22792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21934", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21934/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21934/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21934")                        = 0
mkdir("./21935", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22793
./strace-static-x86_64: Process 22793 attached
[pid 22793] set_robust_list(0x55558cab0660, 24) = 0
[pid 22793] chdir("./21935")            = 0
[pid 22793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22793] setpgid(0, 0)               = 0
[pid 22793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22793] write(3, "1000", 4)         = 4
[pid 22793] close(3)                    = 0
[pid 22793] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22793] write(1, "executing program\n", 18) = 18
[pid 22793] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22793] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22793] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22793] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22793] exit_group(0)               = ?
[pid 22793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21935", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21935/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21935/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21935")                        = 0
mkdir("./21936", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22794
./strace-static-x86_64: Process 22794 attached
[pid 22794] set_robust_list(0x55558cab0660, 24) = 0
[pid 22794] chdir("./21936")            = 0
[pid 22794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22794] setpgid(0, 0)               = 0
[pid 22794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22794] write(3, "1000", 4)         = 4
[pid 22794] close(3)                    = 0
[pid 22794] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22794] write(1, "executing program\n", 18) = 18
[pid 22794] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22794] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22794] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22794] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22794] exit_group(0)               = ?
[pid 22794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21936", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21936/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21936/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21936")                        = 0
mkdir("./21937", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22795
./strace-static-x86_64: Process 22795 attached
[pid 22795] set_robust_list(0x55558cab0660, 24) = 0
[pid 22795] chdir("./21937")            = 0
[pid 22795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22795] setpgid(0, 0)               = 0
[pid 22795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22795] write(3, "1000", 4)         = 4
[pid 22795] close(3)                    = 0
[pid 22795] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22795] write(1, "executing program\n", 18) = 18
[pid 22795] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22795] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22795] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22795] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22795] exit_group(0)               = ?
[pid 22795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21937", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21937/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21937/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21937")                        = 0
mkdir("./21938", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22796 attached
, child_tidptr=0x55558cab0650) = 22796
[pid 22796] set_robust_list(0x55558cab0660, 24) = 0
[pid 22796] chdir("./21938")            = 0
[pid 22796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22796] setpgid(0, 0)               = 0
[pid 22796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22796] write(3, "1000", 4)         = 4
[pid 22796] close(3)                    = 0
[pid 22796] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22796] write(1, "executing program\n", 18) = 18
[pid 22796] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22796] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22796] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22796] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22796] exit_group(0)               = ?
[pid 22796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21938", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21938/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21938/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21938")                        = 0
mkdir("./21939", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22797 attached
, child_tidptr=0x55558cab0650) = 22797
[pid 22797] set_robust_list(0x55558cab0660, 24) = 0
[pid 22797] chdir("./21939")            = 0
[pid 22797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22797] setpgid(0, 0)               = 0
[pid 22797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22797] write(3, "1000", 4)         = 4
[pid 22797] close(3)                    = 0
[pid 22797] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22797] write(1, "executing program\n", 18) = 18
[pid 22797] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22797] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22797] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22797] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22797] exit_group(0)               = ?
[pid 22797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21939", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21939/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21939/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21939")                        = 0
mkdir("./21940", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22798
./strace-static-x86_64: Process 22798 attached
[pid 22798] set_robust_list(0x55558cab0660, 24) = 0
[pid 22798] chdir("./21940")            = 0
[pid 22798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22798] setpgid(0, 0)               = 0
[pid 22798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22798] write(3, "1000", 4)         = 4
[pid 22798] close(3)                    = 0
[pid 22798] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22798] write(1, "executing program\n", 18) = 18
[pid 22798] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22798] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22798] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22798] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22798] exit_group(0)               = ?
[pid 22798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21940", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21940/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21940/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21940")                        = 0
mkdir("./21941", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22799 attached
, child_tidptr=0x55558cab0650) = 22799
[pid 22799] set_robust_list(0x55558cab0660, 24) = 0
[pid 22799] chdir("./21941")            = 0
[pid 22799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22799] setpgid(0, 0)               = 0
[pid 22799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22799] write(3, "1000", 4)         = 4
[pid 22799] close(3)                    = 0
[pid 22799] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22799] write(1, "executing program\n", 18) = 18
executing program
[pid 22799] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22799] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22799] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22799] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22799] exit_group(0)               = ?
[pid 22799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21941", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21941/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21941/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21941")                        = 0
mkdir("./21942", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22800 attached
, child_tidptr=0x55558cab0650) = 22800
[pid 22800] set_robust_list(0x55558cab0660, 24) = 0
[pid 22800] chdir("./21942")            = 0
[pid 22800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22800] setpgid(0, 0)               = 0
[pid 22800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22800] write(3, "1000", 4)         = 4
[pid 22800] close(3)                    = 0
[pid 22800] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22800] write(1, "executing program\n", 18executing program
) = 18
[pid 22800] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22800] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22800] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22800] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22800] exit_group(0)               = ?
[pid 22800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21942", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21942/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21942/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21942")                        = 0
mkdir("./21943", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22801
./strace-static-x86_64: Process 22801 attached
[pid 22801] set_robust_list(0x55558cab0660, 24) = 0
[pid 22801] chdir("./21943")            = 0
[pid 22801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22801] setpgid(0, 0)               = 0
[pid 22801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22801] write(3, "1000", 4)         = 4
[pid 22801] close(3)                    = 0
[pid 22801] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22801] write(1, "executing program\n", 18) = 18
[pid 22801] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22801] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22801] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22801] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22801] exit_group(0)               = ?
[pid 22801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21943", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21943/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21943/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21943")                        = 0
mkdir("./21944", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22802
./strace-static-x86_64: Process 22802 attached
[pid 22802] set_robust_list(0x55558cab0660, 24) = 0
[pid 22802] chdir("./21944")            = 0
[pid 22802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22802] setpgid(0, 0)               = 0
[pid 22802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22802] write(3, "1000", 4)         = 4
[pid 22802] close(3)                    = 0
[pid 22802] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22802] write(1, "executing program\n", 18) = 18
[pid 22802] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22802] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22802] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22802] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22802] exit_group(0)               = ?
[pid 22802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21944", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21944/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21944/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21944")                        = 0
mkdir("./21945", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22803 attached
, child_tidptr=0x55558cab0650) = 22803
[pid 22803] set_robust_list(0x55558cab0660, 24) = 0
[pid 22803] chdir("./21945")            = 0
[pid 22803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22803] setpgid(0, 0)               = 0
[pid 22803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22803] write(3, "1000", 4)         = 4
[pid 22803] close(3)                    = 0
[pid 22803] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22803] write(1, "executing program\n", 18executing program
) = 18
[pid 22803] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22803] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22803] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22803] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22803] exit_group(0)               = ?
[pid 22803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21945", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21945/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21945/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21945")                        = 0
mkdir("./21946", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22804 attached
, child_tidptr=0x55558cab0650) = 22804
[pid 22804] set_robust_list(0x55558cab0660, 24) = 0
[pid 22804] chdir("./21946")            = 0
[pid 22804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22804] setpgid(0, 0)               = 0
[pid 22804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22804] write(3, "1000", 4)         = 4
[pid 22804] close(3)                    = 0
[pid 22804] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22804] write(1, "executing program\n", 18) = 18
[pid 22804] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22804] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22804] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22804] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22804] exit_group(0)               = ?
[pid 22804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21946", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21946/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21946/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21946")                        = 0
mkdir("./21947", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22805 attached
, child_tidptr=0x55558cab0650) = 22805
[pid 22805] set_robust_list(0x55558cab0660, 24) = 0
[pid 22805] chdir("./21947")            = 0
[pid 22805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22805] setpgid(0, 0)               = 0
[pid 22805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22805] write(3, "1000", 4)         = 4
[pid 22805] close(3)                    = 0
[pid 22805] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22805] write(1, "executing program\n", 18) = 18
[pid 22805] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22805] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22805] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22805] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22805] exit_group(0)               = ?
[pid 22805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21947", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21947/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21947/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21947")                        = 0
mkdir("./21948", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22806
./strace-static-x86_64: Process 22806 attached
[pid 22806] set_robust_list(0x55558cab0660, 24) = 0
[pid 22806] chdir("./21948")            = 0
[pid 22806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22806] setpgid(0, 0)               = 0
[pid 22806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22806] write(3, "1000", 4)         = 4
[pid 22806] close(3)                    = 0
[pid 22806] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22806] write(1, "executing program\n", 18) = 18
[pid 22806] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22806] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22806] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22806] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22806] exit_group(0)               = ?
[pid 22806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22806, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21948", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21948/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21948/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21948")                        = 0
mkdir("./21949", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22807 attached
, child_tidptr=0x55558cab0650) = 22807
[pid 22807] set_robust_list(0x55558cab0660, 24) = 0
[pid 22807] chdir("./21949")            = 0
[pid 22807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22807] setpgid(0, 0)               = 0
[pid 22807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22807] write(3, "1000", 4)         = 4
[pid 22807] close(3)                    = 0
[pid 22807] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22807] write(1, "executing program\n", 18) = 18
[pid 22807] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22807] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22807] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22807] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22807] exit_group(0)               = ?
[pid 22807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21949", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21949/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21949/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21949")                        = 0
mkdir("./21950", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22808 attached
, child_tidptr=0x55558cab0650) = 22808
[pid 22808] set_robust_list(0x55558cab0660, 24) = 0
[pid 22808] chdir("./21950")            = 0
[pid 22808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22808] setpgid(0, 0)               = 0
[pid 22808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22808] write(3, "1000", 4)         = 4
[pid 22808] close(3)                    = 0
[pid 22808] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22808] write(1, "executing program\n", 18executing program
) = 18
[pid 22808] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22808] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22808] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22808] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22808] exit_group(0)               = ?
[pid 22808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21950", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21950/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21950/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21950")                        = 0
mkdir("./21951", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22809
./strace-static-x86_64: Process 22809 attached
[pid 22809] set_robust_list(0x55558cab0660, 24) = 0
[pid 22809] chdir("./21951")            = 0
[pid 22809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22809] setpgid(0, 0)               = 0
[pid 22809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22809] write(3, "1000", 4)         = 4
[pid 22809] close(3)                    = 0
[pid 22809] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22809] write(1, "executing program\n", 18) = 18
[pid 22809] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22809] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22809] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22809] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22809] exit_group(0)               = ?
[pid 22809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21951", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21951/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21951/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21951")                        = 0
mkdir("./21952", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22810 attached
, child_tidptr=0x55558cab0650) = 22810
[pid 22810] set_robust_list(0x55558cab0660, 24) = 0
[pid 22810] chdir("./21952")            = 0
[pid 22810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22810] setpgid(0, 0)               = 0
[pid 22810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22810] write(3, "1000", 4)         = 4
[pid 22810] close(3)                    = 0
[pid 22810] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22810] write(1, "executing program\n", 18) = 18
[pid 22810] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22810] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22810] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22810] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22810] exit_group(0)               = ?
[pid 22810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21952", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21952/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21952/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21952")                        = 0
mkdir("./21953", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22811 attached
, child_tidptr=0x55558cab0650) = 22811
[pid 22811] set_robust_list(0x55558cab0660, 24) = 0
[pid 22811] chdir("./21953")            = 0
[pid 22811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22811] setpgid(0, 0)               = 0
[pid 22811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22811] write(3, "1000", 4)         = 4
[pid 22811] close(3)                    = 0
[pid 22811] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22811] write(1, "executing program\n", 18executing program
) = 18
[pid 22811] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22811] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22811] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22811] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22811] exit_group(0)               = ?
[pid 22811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21953", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21953/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21953/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21953")                        = 0
mkdir("./21954", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22812 attached
, child_tidptr=0x55558cab0650) = 22812
[pid 22812] set_robust_list(0x55558cab0660, 24) = 0
[pid 22812] chdir("./21954")            = 0
[pid 22812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22812] setpgid(0, 0)               = 0
[pid 22812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22812] write(3, "1000", 4)         = 4
[pid 22812] close(3)                    = 0
[pid 22812] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22812] write(1, "executing program\n", 18) = 18
[pid 22812] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22812] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22812] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22812] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22812] exit_group(0)               = ?
[pid 22812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21954", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21954/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21954/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21954")                        = 0
mkdir("./21955", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22813 attached
, child_tidptr=0x55558cab0650) = 22813
[pid 22813] set_robust_list(0x55558cab0660, 24) = 0
[pid 22813] chdir("./21955")            = 0
[pid 22813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22813] setpgid(0, 0)               = 0
[pid 22813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22813] write(3, "1000", 4)         = 4
[pid 22813] close(3)                    = 0
[pid 22813] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22813] write(1, "executing program\n", 18executing program
) = 18
[pid 22813] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22813] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22813] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22813] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22813] exit_group(0)               = ?
[pid 22813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21955", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21955/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21955/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21955")                        = 0
mkdir("./21956", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22814
./strace-static-x86_64: Process 22814 attached
[pid 22814] set_robust_list(0x55558cab0660, 24) = 0
[pid 22814] chdir("./21956")            = 0
[pid 22814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22814] setpgid(0, 0)               = 0
[pid 22814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22814] write(3, "1000", 4)         = 4
[pid 22814] close(3)                    = 0
[pid 22814] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22814] write(1, "executing program\n", 18) = 18
executing program
[pid 22814] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22814] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22814] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22814] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22814] exit_group(0)               = ?
[pid 22814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21956", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21956/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21956/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21956")                        = 0
mkdir("./21957", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22815 attached
, child_tidptr=0x55558cab0650) = 22815
[pid 22815] set_robust_list(0x55558cab0660, 24) = 0
[pid 22815] chdir("./21957")            = 0
[pid 22815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22815] setpgid(0, 0)               = 0
[pid 22815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22815] write(3, "1000", 4)         = 4
[pid 22815] close(3)                    = 0
[pid 22815] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22815] write(1, "executing program\n", 18) = 18
[pid 22815] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22815] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22815] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22815] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22815] exit_group(0)               = ?
[pid 22815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21957", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21957/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21957/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21957")                        = 0
mkdir("./21958", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22816 attached
, child_tidptr=0x55558cab0650) = 22816
[pid 22816] set_robust_list(0x55558cab0660, 24) = 0
[pid 22816] chdir("./21958")            = 0
[pid 22816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22816] setpgid(0, 0)               = 0
[pid 22816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22816] write(3, "1000", 4)         = 4
[pid 22816] close(3)                    = 0
[pid 22816] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22816] write(1, "executing program\n", 18) = 18
[pid 22816] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22816] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22816] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22816] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22816] exit_group(0)               = ?
[pid 22816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21958", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21958/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21958/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21958")                        = 0
mkdir("./21959", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22817 attached
, child_tidptr=0x55558cab0650) = 22817
[pid 22817] set_robust_list(0x55558cab0660, 24) = 0
[pid 22817] chdir("./21959")            = 0
[pid 22817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22817] setpgid(0, 0)               = 0
[pid 22817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22817] write(3, "1000", 4)         = 4
[pid 22817] close(3)                    = 0
[pid 22817] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22817] write(1, "executing program\n", 18) = 18
[pid 22817] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22817] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22817] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22817] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22817] exit_group(0)               = ?
[pid 22817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21959", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21959/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21959/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21959")                        = 0
mkdir("./21960", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22818
./strace-static-x86_64: Process 22818 attached
[pid 22818] set_robust_list(0x55558cab0660, 24) = 0
[pid 22818] chdir("./21960")            = 0
[pid 22818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22818] setpgid(0, 0)               = 0
[pid 22818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22818] write(3, "1000", 4)         = 4
[pid 22818] close(3)                    = 0
[pid 22818] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22818] write(1, "executing program\n", 18) = 18
[pid 22818] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22818] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22818] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22818] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22818] exit_group(0)               = ?
[pid 22818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21960", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21960/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21960/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21960")                        = 0
mkdir("./21961", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22819 attached
, child_tidptr=0x55558cab0650) = 22819
[pid 22819] set_robust_list(0x55558cab0660, 24) = 0
[pid 22819] chdir("./21961")            = 0
[pid 22819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22819] setpgid(0, 0)               = 0
[pid 22819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22819] write(3, "1000", 4)         = 4
[pid 22819] close(3)                    = 0
[pid 22819] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22819] write(1, "executing program\n", 18executing program
) = 18
[pid 22819] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22819] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22819] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22819] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22819] exit_group(0)               = ?
[pid 22819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21961", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21961/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21961/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21961")                        = 0
mkdir("./21962", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22820
./strace-static-x86_64: Process 22820 attached
[pid 22820] set_robust_list(0x55558cab0660, 24) = 0
[pid 22820] chdir("./21962")            = 0
[pid 22820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22820] setpgid(0, 0)               = 0
[pid 22820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22820] write(3, "1000", 4)         = 4
[pid 22820] close(3)                    = 0
[pid 22820] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22820] write(1, "executing program\n", 18) = 18
[pid 22820] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22820] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22820] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22820] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22820] exit_group(0)               = ?
[pid 22820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21962", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21962/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21962/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21962")                        = 0
mkdir("./21963", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22821 attached
, child_tidptr=0x55558cab0650) = 22821
[pid 22821] set_robust_list(0x55558cab0660, 24) = 0
[pid 22821] chdir("./21963")            = 0
[pid 22821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22821] setpgid(0, 0)               = 0
[pid 22821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22821] write(3, "1000", 4)         = 4
[pid 22821] close(3)                    = 0
[pid 22821] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22821] write(1, "executing program\n", 18) = 18
[pid 22821] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22821] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22821] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22821] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22821] exit_group(0)               = ?
[pid 22821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21963", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21963/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21963/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21963")                        = 0
mkdir("./21964", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22822 attached
, child_tidptr=0x55558cab0650) = 22822
[pid 22822] set_robust_list(0x55558cab0660, 24) = 0
[pid 22822] chdir("./21964")            = 0
[pid 22822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22822] setpgid(0, 0)               = 0
[pid 22822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22822] write(3, "1000", 4)         = 4
[pid 22822] close(3)                    = 0
[pid 22822] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22822] write(1, "executing program\n", 18) = 18
[pid 22822] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22822] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22822] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22822] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22822] exit_group(0)               = ?
[pid 22822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21964", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21964/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21964/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21964")                        = 0
mkdir("./21965", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22823
./strace-static-x86_64: Process 22823 attached
[pid 22823] set_robust_list(0x55558cab0660, 24) = 0
[pid 22823] chdir("./21965")            = 0
[pid 22823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22823] setpgid(0, 0)               = 0
[pid 22823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22823] write(3, "1000", 4)         = 4
[pid 22823] close(3)                    = 0
[pid 22823] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22823] write(1, "executing program\n", 18) = 18
[pid 22823] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22823] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22823] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22823] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22823] exit_group(0)               = ?
[pid 22823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21965", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21965/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21965/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21965")                        = 0
mkdir("./21966", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22824 attached
, child_tidptr=0x55558cab0650) = 22824
[pid 22824] set_robust_list(0x55558cab0660, 24) = 0
[pid 22824] chdir("./21966")            = 0
[pid 22824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22824] setpgid(0, 0)               = 0
[pid 22824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22824] write(3, "1000", 4)         = 4
[pid 22824] close(3)                    = 0
[pid 22824] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22824] write(1, "executing program\n", 18) = 18
[pid 22824] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22824] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22824] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22824] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22824] exit_group(0)               = ?
[pid 22824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21966", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21966/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21966/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21966")                        = 0
mkdir("./21967", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22825
./strace-static-x86_64: Process 22825 attached
[pid 22825] set_robust_list(0x55558cab0660, 24) = 0
[pid 22825] chdir("./21967")            = 0
[pid 22825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22825] setpgid(0, 0)               = 0
[pid 22825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22825] write(3, "1000", 4)         = 4
[pid 22825] close(3)                    = 0
[pid 22825] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22825] write(1, "executing program\n", 18executing program
) = 18
[pid 22825] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22825] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22825] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22825] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22825] exit_group(0)               = ?
[pid 22825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21967", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21967/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21967/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21967")                        = 0
mkdir("./21968", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22826 attached
, child_tidptr=0x55558cab0650) = 22826
[pid 22826] set_robust_list(0x55558cab0660, 24) = 0
[pid 22826] chdir("./21968")            = 0
[pid 22826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22826] setpgid(0, 0)               = 0
[pid 22826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22826] write(3, "1000", 4)         = 4
[pid 22826] close(3)                    = 0
[pid 22826] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22826] write(1, "executing program\n", 18) = 18
[pid 22826] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22826] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22826] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22826] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22826] exit_group(0)               = ?
[pid 22826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21968", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21968/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21968/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21968")                        = 0
mkdir("./21969", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22827
./strace-static-x86_64: Process 22827 attached
[pid 22827] set_robust_list(0x55558cab0660, 24) = 0
[pid 22827] chdir("./21969")            = 0
[pid 22827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22827] setpgid(0, 0)               = 0
[pid 22827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22827] write(3, "1000", 4)         = 4
[pid 22827] close(3)                    = 0
[pid 22827] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22827] write(1, "executing program\n", 18executing program
) = 18
[pid 22827] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22827] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22827] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22827] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22827] exit_group(0)               = ?
[pid 22827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21969", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21969/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21969/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21969")                        = 0
mkdir("./21970", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22828 attached
, child_tidptr=0x55558cab0650) = 22828
[pid 22828] set_robust_list(0x55558cab0660, 24) = 0
[pid 22828] chdir("./21970")            = 0
[pid 22828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22828] setpgid(0, 0)               = 0
[pid 22828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22828] write(3, "1000", 4)         = 4
[pid 22828] close(3)                    = 0
[pid 22828] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22828] write(1, "executing program\n", 18executing program
) = 18
[pid 22828] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22828] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22828] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22828] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22828] exit_group(0)               = ?
[pid 22828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21970", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21970/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21970/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21970")                        = 0
mkdir("./21971", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22829 attached
, child_tidptr=0x55558cab0650) = 22829
[pid 22829] set_robust_list(0x55558cab0660, 24) = 0
[pid 22829] chdir("./21971")            = 0
[pid 22829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22829] setpgid(0, 0)               = 0
[pid 22829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22829] write(3, "1000", 4)         = 4
[pid 22829] close(3)                    = 0
[pid 22829] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22829] write(1, "executing program\n", 18executing program
) = 18
[pid 22829] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22829] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22829] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22829] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22829] exit_group(0)               = ?
[pid 22829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21971", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21971/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21971/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21971")                        = 0
mkdir("./21972", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22830 attached
, child_tidptr=0x55558cab0650) = 22830
[pid 22830] set_robust_list(0x55558cab0660, 24) = 0
[pid 22830] chdir("./21972")            = 0
[pid 22830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22830] setpgid(0, 0)               = 0
[pid 22830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22830] write(3, "1000", 4)         = 4
executing program
[pid 22830] close(3)                    = 0
[pid 22830] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22830] write(1, "executing program\n", 18) = 18
[pid 22830] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22830] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22830] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22830] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22830] exit_group(0)               = ?
[pid 22830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21972", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21972/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21972/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21972")                        = 0
mkdir("./21973", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22831 attached
, child_tidptr=0x55558cab0650) = 22831
[pid 22831] set_robust_list(0x55558cab0660, 24) = 0
[pid 22831] chdir("./21973")            = 0
[pid 22831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22831] setpgid(0, 0)               = 0
[pid 22831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22831] write(3, "1000", 4)         = 4
[pid 22831] close(3)                    = 0
[pid 22831] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22831] write(1, "executing program\n", 18) = 18
[pid 22831] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22831] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22831] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22831] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22831] exit_group(0)               = ?
[pid 22831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21973", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21973/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21973/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21973")                        = 0
mkdir("./21974", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22832
./strace-static-x86_64: Process 22832 attached
[pid 22832] set_robust_list(0x55558cab0660, 24) = 0
[pid 22832] chdir("./21974")            = 0
[pid 22832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22832] setpgid(0, 0)               = 0
[pid 22832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22832] write(3, "1000", 4)         = 4
[pid 22832] close(3)                    = 0
[pid 22832] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22832] write(1, "executing program\n", 18) = 18
[pid 22832] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22832] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22832] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22832] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22832] exit_group(0)               = ?
[pid 22832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21974", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21974/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21974/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21974")                        = 0
mkdir("./21975", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22833 attached
, child_tidptr=0x55558cab0650) = 22833
[pid 22833] set_robust_list(0x55558cab0660, 24) = 0
[pid 22833] chdir("./21975")            = 0
[pid 22833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22833] setpgid(0, 0)               = 0
[pid 22833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22833] write(3, "1000", 4)         = 4
[pid 22833] close(3)                    = 0
[pid 22833] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22833] write(1, "executing program\n", 18executing program
) = 18
[pid 22833] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22833] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22833] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22833] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22833] exit_group(0)               = ?
[pid 22833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21975", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21975/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21975/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21975")                        = 0
mkdir("./21976", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22834
./strace-static-x86_64: Process 22834 attached
[pid 22834] set_robust_list(0x55558cab0660, 24) = 0
[pid 22834] chdir("./21976")            = 0
[pid 22834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22834] setpgid(0, 0)               = 0
[pid 22834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22834] write(3, "1000", 4)         = 4
[pid 22834] close(3)                    = 0
[pid 22834] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22834] write(1, "executing program\n", 18) = 18
[pid 22834] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22834] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22834] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22834] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22834] exit_group(0)               = ?
[pid 22834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21976", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21976/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21976/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21976")                        = 0
mkdir("./21977", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22835
./strace-static-x86_64: Process 22835 attached
[pid 22835] set_robust_list(0x55558cab0660, 24) = 0
[pid 22835] chdir("./21977")            = 0
[pid 22835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22835] setpgid(0, 0)               = 0
[pid 22835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22835] write(3, "1000", 4)         = 4
[pid 22835] close(3)                    = 0
[pid 22835] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22835] write(1, "executing program\n", 18executing program
) = 18
[pid 22835] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22835] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22835] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22835] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22835] exit_group(0)               = ?
[pid 22835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21977", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21977/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21977/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21977")                        = 0
mkdir("./21978", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22836 attached
, child_tidptr=0x55558cab0650) = 22836
[pid 22836] set_robust_list(0x55558cab0660, 24) = 0
[pid 22836] chdir("./21978")            = 0
[pid 22836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22836] setpgid(0, 0)               = 0
[pid 22836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22836] write(3, "1000", 4)         = 4
[pid 22836] close(3)                    = 0
[pid 22836] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22836] write(1, "executing program\n", 18) = 18
[pid 22836] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22836] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22836] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22836] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22836] exit_group(0)               = ?
[pid 22836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21978", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21978/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21978/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21978")                        = 0
mkdir("./21979", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22837
./strace-static-x86_64: Process 22837 attached
[pid 22837] set_robust_list(0x55558cab0660, 24) = 0
[pid 22837] chdir("./21979")            = 0
[pid 22837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22837] setpgid(0, 0)               = 0
[pid 22837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22837] write(3, "1000", 4)         = 4
[pid 22837] close(3)                    = 0
executing program
[pid 22837] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22837] write(1, "executing program\n", 18) = 18
[pid 22837] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22837] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22837] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22837] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22837] exit_group(0)               = ?
[pid 22837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21979", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21979/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21979/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21979")                        = 0
mkdir("./21980", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22838
./strace-static-x86_64: Process 22838 attached
[pid 22838] set_robust_list(0x55558cab0660, 24) = 0
[pid 22838] chdir("./21980")            = 0
[pid 22838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22838] setpgid(0, 0)               = 0
[pid 22838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22838] write(3, "1000", 4)         = 4
[pid 22838] close(3)                    = 0
[pid 22838] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22838] write(1, "executing program\n", 18) = 18
[pid 22838] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22838] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22838] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22838] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22838] exit_group(0)               = ?
[pid 22838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21980", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21980/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21980/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21980")                        = 0
mkdir("./21981", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22839
./strace-static-x86_64: Process 22839 attached
[pid 22839] set_robust_list(0x55558cab0660, 24) = 0
[pid 22839] chdir("./21981")            = 0
[pid 22839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22839] setpgid(0, 0)               = 0
[pid 22839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22839] write(3, "1000", 4)         = 4
[pid 22839] close(3)                    = 0
executing program
[pid 22839] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22839] write(1, "executing program\n", 18) = 18
[pid 22839] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22839] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22839] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22839] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22839] exit_group(0)               = ?
[pid 22839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21981", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21981/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21981/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21981")                        = 0
mkdir("./21982", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22840 attached
, child_tidptr=0x55558cab0650) = 22840
[pid 22840] set_robust_list(0x55558cab0660, 24) = 0
[pid 22840] chdir("./21982")            = 0
[pid 22840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22840] setpgid(0, 0)               = 0
[pid 22840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22840] write(3, "1000", 4)         = 4
[pid 22840] close(3)                    = 0
[pid 22840] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22840] write(1, "executing program\n", 18) = 18
[pid 22840] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22840] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22840] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22840] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22840] exit_group(0)               = ?
[pid 22840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21982", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21982/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21982/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21982")                        = 0
mkdir("./21983", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22841
./strace-static-x86_64: Process 22841 attached
[pid 22841] set_robust_list(0x55558cab0660, 24) = 0
[pid 22841] chdir("./21983")            = 0
[pid 22841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22841] setpgid(0, 0)               = 0
[pid 22841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22841] write(3, "1000", 4)         = 4
[pid 22841] close(3)                    = 0
[pid 22841] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22841] write(1, "executing program\n", 18executing program
) = 18
[pid 22841] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22841] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22841] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22841] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22841] exit_group(0)               = ?
[pid 22841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21983", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21983/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21983/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21983")                        = 0
mkdir("./21984", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22842 attached
, child_tidptr=0x55558cab0650) = 22842
[pid 22842] set_robust_list(0x55558cab0660, 24) = 0
[pid 22842] chdir("./21984")            = 0
[pid 22842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22842] setpgid(0, 0)               = 0
[pid 22842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22842] write(3, "1000", 4)         = 4
[pid 22842] close(3)                    = 0
[pid 22842] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22842] write(1, "executing program\n", 18) = 18
[pid 22842] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22842] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22842] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22842] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22842] exit_group(0)               = ?
[pid 22842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21984", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21984/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21984/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21984")                        = 0
mkdir("./21985", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22843 attached
 <unfinished ...>
[pid 22843] set_robust_list(0x55558cab0660, 24) = 0
[pid 22843] chdir("./21985")            = 0
[pid 22843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22843] setpgid(0, 0)               = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22843
[pid 22843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22843] write(3, "1000", 4)         = 4
[pid 22843] close(3)                    = 0
[pid 22843] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22843] write(1, "executing program\n", 18) = 18
[pid 22843] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22843] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22843] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22843] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22843] exit_group(0)               = ?
[pid 22843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21985", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21985/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21985/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21985")                        = 0
mkdir("./21986", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22845 attached
, child_tidptr=0x55558cab0650) = 22845
[pid 22845] set_robust_list(0x55558cab0660, 24) = 0
[pid 22845] chdir("./21986")            = 0
[pid 22845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22845] setpgid(0, 0)               = 0
[pid 22845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22845] write(3, "1000", 4)         = 4
[pid 22845] close(3)                    = 0
[pid 22845] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22845] write(1, "executing program\n", 18) = 18
[pid 22845] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22845] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22845] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22845] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22845] exit_group(0)               = ?
[pid 22845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21986", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21986/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21986/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21986")                        = 0
mkdir("./21987", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22846
./strace-static-x86_64: Process 22846 attached
[pid 22846] set_robust_list(0x55558cab0660, 24) = 0
[pid 22846] chdir("./21987")            = 0
[pid 22846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22846] setpgid(0, 0)               = 0
[pid 22846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22846] write(3, "1000", 4)         = 4
[pid 22846] close(3)                    = 0
[pid 22846] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22846] write(1, "executing program\n", 18executing program
) = 18
[pid 22846] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22846] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22846] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22846] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22846] exit_group(0)               = ?
[pid 22846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22846, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21987", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21987/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21987/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21987")                        = 0
mkdir("./21988", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22847
./strace-static-x86_64: Process 22847 attached
[pid 22847] set_robust_list(0x55558cab0660, 24) = 0
[pid 22847] chdir("./21988")            = 0
[pid 22847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22847] setpgid(0, 0)               = 0
[pid 22847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22847] write(3, "1000", 4)         = 4
[pid 22847] close(3)                    = 0
[pid 22847] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22847] write(1, "executing program\n", 18) = 18
[pid 22847] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22847] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22847] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22847] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22847] exit_group(0)               = ?
[pid 22847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21988", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21988/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21988/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21988")                        = 0
mkdir("./21989", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22848 attached
, child_tidptr=0x55558cab0650) = 22848
[pid 22848] set_robust_list(0x55558cab0660, 24) = 0
[pid 22848] chdir("./21989")            = 0
[pid 22848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22848] setpgid(0, 0)               = 0
[pid 22848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22848] write(3, "1000", 4)         = 4
[pid 22848] close(3)                    = 0
[pid 22848] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22848] write(1, "executing program\n", 18) = 18
[pid 22848] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22848] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22848] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22848] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22848] exit_group(0)               = ?
[pid 22848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21989", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21989/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21989/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21989")                        = 0
mkdir("./21990", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22849
./strace-static-x86_64: Process 22849 attached
[pid 22849] set_robust_list(0x55558cab0660, 24) = 0
[pid 22849] chdir("./21990")            = 0
[pid 22849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22849] setpgid(0, 0)               = 0
[pid 22849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22849] write(3, "1000", 4)         = 4
[pid 22849] close(3)                    = 0
[pid 22849] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22849] write(1, "executing program\n", 18executing program
) = 18
[pid 22849] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22849] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22849] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22849] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22849] exit_group(0)               = ?
[pid 22849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21990", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21990/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21990/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21990")                        = 0
mkdir("./21991", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22850
./strace-static-x86_64: Process 22850 attached
[pid 22850] set_robust_list(0x55558cab0660, 24) = 0
[pid 22850] chdir("./21991")            = 0
[pid 22850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22850] setpgid(0, 0)               = 0
[pid 22850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22850] write(3, "1000", 4)         = 4
[pid 22850] close(3)                    = 0
[pid 22850] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22850] write(1, "executing program\n", 18executing program
) = 18
[pid 22850] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22850] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22850] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22850] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22850] exit_group(0)               = ?
[pid 22850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21991", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21991/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21991/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21991")                        = 0
mkdir("./21992", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22851
./strace-static-x86_64: Process 22851 attached
[pid 22851] set_robust_list(0x55558cab0660, 24) = 0
[pid 22851] chdir("./21992")            = 0
[pid 22851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22851] setpgid(0, 0)               = 0
[pid 22851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22851] write(3, "1000", 4)         = 4
[pid 22851] close(3)                    = 0
[pid 22851] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22851] write(1, "executing program\n", 18) = 18
[pid 22851] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22851] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22851] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22851] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22851] exit_group(0)               = ?
[pid 22851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21992", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21992/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21992/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21992")                        = 0
mkdir("./21993", 0777executing program
)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22852
./strace-static-x86_64: Process 22852 attached
[pid 22852] set_robust_list(0x55558cab0660, 24) = 0
[pid 22852] chdir("./21993")            = 0
[pid 22852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22852] setpgid(0, 0)               = 0
[pid 22852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22852] write(3, "1000", 4)         = 4
[pid 22852] close(3)                    = 0
[pid 22852] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22852] write(1, "executing program\n", 18) = 18
[pid 22852] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22852] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22852] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22852] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22852] exit_group(0)               = ?
[pid 22852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21993", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21993/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21993/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21993")                        = 0
mkdir("./21994", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22853
./strace-static-x86_64: Process 22853 attached
[pid 22853] set_robust_list(0x55558cab0660, 24) = 0
[pid 22853] chdir("./21994")            = 0
[pid 22853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22853] setpgid(0, 0)               = 0
[pid 22853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22853] write(3, "1000", 4)         = 4
[pid 22853] close(3)                    = 0
[pid 22853] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22853] write(1, "executing program\n", 18executing program
) = 18
[pid 22853] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22853] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22853] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22853] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22853] exit_group(0)               = ?
[pid 22853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21994", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21994/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21994/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21994")                        = 0
mkdir("./21995", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22854
./strace-static-x86_64: Process 22854 attached
[pid 22854] set_robust_list(0x55558cab0660, 24) = 0
[pid 22854] chdir("./21995")            = 0
[pid 22854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22854] setpgid(0, 0)               = 0
[pid 22854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22854] write(3, "1000", 4)         = 4
[pid 22854] close(3)                    = 0
[pid 22854] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22854] write(1, "executing program\n", 18) = 18
[pid 22854] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22854] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22854] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22854] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22854] exit_group(0)               = ?
[pid 22854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21995", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21995", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21995/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21995/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21995/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21995")                        = 0
mkdir("./21996", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22855 attached
, child_tidptr=0x55558cab0650) = 22855
[pid 22855] set_robust_list(0x55558cab0660, 24) = 0
[pid 22855] chdir("./21996")            = 0
[pid 22855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22855] setpgid(0, 0)               = 0
[pid 22855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22855] write(3, "1000", 4)         = 4
[pid 22855] close(3)                    = 0
[pid 22855] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22855] write(1, "executing program\n", 18executing program
) = 18
[pid 22855] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22855] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22855] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22855] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22855] exit_group(0)               = ?
[pid 22855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21996", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21996", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21996/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21996/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21996/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21996")                        = 0
mkdir("./21997", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22856
./strace-static-x86_64: Process 22856 attached
[pid 22856] set_robust_list(0x55558cab0660, 24) = 0
[pid 22856] chdir("./21997")            = 0
[pid 22856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22856] setpgid(0, 0)               = 0
[pid 22856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22856] write(3, "1000", 4)         = 4
[pid 22856] close(3)                    = 0
[pid 22856] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22856] write(1, "executing program\n", 18) = 18
[pid 22856] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22856] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22856] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22856] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22856] exit_group(0)               = ?
[pid 22856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21997", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21997", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21997/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21997/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21997/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21997")                        = 0
mkdir("./21998", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22857
./strace-static-x86_64: Process 22857 attached
[pid 22857] set_robust_list(0x55558cab0660, 24) = 0
[pid 22857] chdir("./21998")            = 0
[pid 22857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22857] setpgid(0, 0)               = 0
[pid 22857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22857] write(3, "1000", 4)         = 4
[pid 22857] close(3)                    = 0
[pid 22857] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22857] write(1, "executing program\n", 18) = 18
[pid 22857] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22857] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22857] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22857] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22857] exit_group(0)               = ?
[pid 22857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21998", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21998", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21998/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21998/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21998/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21998")                        = 0
mkdir("./21999", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22858 attached
, child_tidptr=0x55558cab0650) = 22858
[pid 22858] set_robust_list(0x55558cab0660, 24) = 0
[pid 22858] chdir("./21999")            = 0
[pid 22858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22858] setpgid(0, 0)               = 0
[pid 22858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22858] write(3, "1000", 4)         = 4
[pid 22858] close(3)                    = 0
[pid 22858] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22858] write(1, "executing program\n", 18) = 18
[pid 22858] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22858] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22858] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22858] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22858] exit_group(0)               = ?
[pid 22858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21999", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21999", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./21999/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21999/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21999/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21999")                        = 0
mkdir("./22000", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22859 attached
, child_tidptr=0x55558cab0650) = 22859
[pid 22859] set_robust_list(0x55558cab0660, 24) = 0
[pid 22859] chdir("./22000")            = 0
[pid 22859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22859] setpgid(0, 0)               = 0
[pid 22859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22859] write(3, "1000", 4)         = 4
[pid 22859] close(3)                    = 0
[pid 22859] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22859] write(1, "executing program\n", 18executing program
) = 18
[pid 22859] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22859] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22859] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22859] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22859] exit_group(0)               = ?
[pid 22859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22000", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22000", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22000/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22000/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22000/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22000")                        = 0
mkdir("./22001", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22860
./strace-static-x86_64: Process 22860 attached
[pid 22860] set_robust_list(0x55558cab0660, 24) = 0
[pid 22860] chdir("./22001")            = 0
[pid 22860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22860] setpgid(0, 0)               = 0
[pid 22860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22860] write(3, "1000", 4)         = 4
[pid 22860] close(3)                    = 0
[pid 22860] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22860] write(1, "executing program\n", 18) = 18
[pid 22860] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22860] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22860] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22860] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22860] exit_group(0)               = ?
[pid 22860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22001", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22001", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22001/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22001/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22001/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22001")                        = 0
mkdir("./22002", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22861 attached
, child_tidptr=0x55558cab0650) = 22861
[pid 22861] set_robust_list(0x55558cab0660, 24) = 0
[pid 22861] chdir("./22002")            = 0
[pid 22861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22861] setpgid(0, 0)               = 0
[pid 22861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22861] write(3, "1000", 4)         = 4
[pid 22861] close(3)                    = 0
[pid 22861] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22861] write(1, "executing program\n", 18executing program
) = 18
[pid 22861] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22861] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22861] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22861] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22861] exit_group(0)               = ?
[pid 22861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22002", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22002", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22002/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22002/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22002/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22002")                        = 0
mkdir("./22003", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22862 attached
, child_tidptr=0x55558cab0650) = 22862
[pid 22862] set_robust_list(0x55558cab0660, 24) = 0
[pid 22862] chdir("./22003")            = 0
[pid 22862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22862] setpgid(0, 0)               = 0
[pid 22862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22862] write(3, "1000", 4)         = 4
[pid 22862] close(3)                    = 0
[pid 22862] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22862] write(1, "executing program\n", 18) = 18
[pid 22862] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22862] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22862] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22862] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22862] exit_group(0)               = ?
[pid 22862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22003", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22003", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22003/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22003/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22003/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22003")                        = 0
mkdir("./22004", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22863 attached
, child_tidptr=0x55558cab0650) = 22863
[pid 22863] set_robust_list(0x55558cab0660, 24) = 0
[pid 22863] chdir("./22004")            = 0
[pid 22863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22863] setpgid(0, 0)               = 0
[pid 22863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22863] write(3, "1000", 4)         = 4
[pid 22863] close(3)                    = 0
[pid 22863] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22863] write(1, "executing program\n", 18) = 18
[pid 22863] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22863] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22863] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22863] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22863] exit_group(0)               = ?
[pid 22863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22004", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22004", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22004/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22004/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22004/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22004")                        = 0
mkdir("./22005", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22864
./strace-static-x86_64: Process 22864 attached
[pid 22864] set_robust_list(0x55558cab0660, 24) = 0
[pid 22864] chdir("./22005")            = 0
[pid 22864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22864] setpgid(0, 0)               = 0
[pid 22864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22864] write(3, "1000", 4)         = 4
[pid 22864] close(3)                    = 0
[pid 22864] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22864] write(1, "executing program\n", 18) = 18
[pid 22864] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22864] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22864] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22864] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22864] exit_group(0)               = ?
[pid 22864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22005", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22005", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22005/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22005/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22005/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22005")                        = 0
mkdir("./22006", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22865 attached
, child_tidptr=0x55558cab0650) = 22865
[pid 22865] set_robust_list(0x55558cab0660, 24) = 0
[pid 22865] chdir("./22006")            = 0
[pid 22865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22865] setpgid(0, 0)               = 0
[pid 22865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22865] write(3, "1000", 4)         = 4
[pid 22865] close(3)                    = 0
[pid 22865] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22865] write(1, "executing program\n", 18executing program
) = 18
[pid 22865] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22865] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22865] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22865] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22865] exit_group(0)               = ?
[pid 22865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22006", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22006", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22006/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22006/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22006/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22006")                        = 0
mkdir("./22007", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22866
./strace-static-x86_64: Process 22866 attached
[pid 22866] set_robust_list(0x55558cab0660, 24) = 0
[pid 22866] chdir("./22007")            = 0
[pid 22866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22866] setpgid(0, 0)               = 0
[pid 22866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22866] write(3, "1000", 4)         = 4
[pid 22866] close(3)                    = 0
[pid 22866] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22866] write(1, "executing program\n", 18executing program
) = 18
[pid 22866] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22866] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22866] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22866] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22866] exit_group(0)               = ?
[pid 22866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22007", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22007", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22007/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22007/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22007/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22007")                        = 0
mkdir("./22008", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22867
./strace-static-x86_64: Process 22867 attached
[pid 22867] set_robust_list(0x55558cab0660, 24) = 0
[pid 22867] chdir("./22008")            = 0
[pid 22867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22867] setpgid(0, 0)               = 0
[pid 22867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22867] write(3, "1000", 4)         = 4
[pid 22867] close(3)                    = 0
[pid 22867] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22867] write(1, "executing program\n", 18) = 18
[pid 22867] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22867] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22867] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22867] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22867] exit_group(0)               = ?
[pid 22867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22008", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22008", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22008/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22008/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22008/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22008")                        = 0
mkdir("./22009", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22868 attached
, child_tidptr=0x55558cab0650) = 22868
[pid 22868] set_robust_list(0x55558cab0660, 24) = 0
[pid 22868] chdir("./22009")            = 0
[pid 22868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22868] setpgid(0, 0)               = 0
[pid 22868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22868] write(3, "1000", 4)         = 4
[pid 22868] close(3)                    = 0
[pid 22868] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22868] write(1, "executing program\n", 18) = 18
[pid 22868] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22868] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22868] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22868] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22868] exit_group(0)               = ?
[pid 22868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22009", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22009", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22009/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22009/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22009/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22009")                        = 0
mkdir("./22010", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22869
./strace-static-x86_64: Process 22869 attached
[pid 22869] set_robust_list(0x55558cab0660, 24) = 0
[pid 22869] chdir("./22010")            = 0
[pid 22869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22869] setpgid(0, 0)               = 0
[pid 22869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22869] write(3, "1000", 4)         = 4
[pid 22869] close(3)                    = 0
[pid 22869] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22869] write(1, "executing program\n", 18executing program
) = 18
[pid 22869] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22869] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22869] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22869] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22869] exit_group(0)               = ?
[pid 22869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22010", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22010", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22010/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22010/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22010/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22010")                        = 0
mkdir("./22011", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22870
./strace-static-x86_64: Process 22870 attached
[pid 22870] set_robust_list(0x55558cab0660, 24) = 0
[pid 22870] chdir("./22011")            = 0
[pid 22870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22870] setpgid(0, 0)               = 0
[pid 22870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22870] write(3, "1000", 4)         = 4
[pid 22870] close(3)                    = 0
[pid 22870] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22870] write(1, "executing program\n", 18) = 18
[pid 22870] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22870] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22870] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22870] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22870] exit_group(0)               = ?
[pid 22870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22011", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22011", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22011/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22011/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22011/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22011")                        = 0
mkdir("./22012", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22871 attached
, child_tidptr=0x55558cab0650) = 22871
[pid 22871] set_robust_list(0x55558cab0660, 24) = 0
[pid 22871] chdir("./22012")            = 0
[pid 22871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22871] setpgid(0, 0)               = 0
[pid 22871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22871] write(3, "1000", 4)         = 4
[pid 22871] close(3)                    = 0
[pid 22871] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22871] write(1, "executing program\n", 18) = 18
[pid 22871] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22871] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22871] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22871] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22871] exit_group(0)               = ?
[pid 22871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22012", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22012", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22012/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22012/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22012/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22012")                        = 0
mkdir("./22013", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22872 attached
, child_tidptr=0x55558cab0650) = 22872
[pid 22872] set_robust_list(0x55558cab0660, 24) = 0
[pid 22872] chdir("./22013")            = 0
executing program
[pid 22872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22872] setpgid(0, 0)               = 0
[pid 22872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22872] write(3, "1000", 4)         = 4
[pid 22872] close(3)                    = 0
[pid 22872] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22872] write(1, "executing program\n", 18) = 18
[pid 22872] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22872] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22872] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22872] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22872] exit_group(0)               = ?
[pid 22872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22013", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22013", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22013/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22013/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22013/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22013")                        = 0
mkdir("./22014", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22873 attached
, child_tidptr=0x55558cab0650) = 22873
[pid 22873] set_robust_list(0x55558cab0660, 24) = 0
[pid 22873] chdir("./22014")            = 0
[pid 22873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22873] setpgid(0, 0)               = 0
[pid 22873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22873] write(3, "1000", 4)         = 4
[pid 22873] close(3)                    = 0
[pid 22873] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22873] write(1, "executing program\n", 18) = 18
[pid 22873] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22873] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22873] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22873] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22873] exit_group(0)               = ?
[pid 22873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22014", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22014", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22014/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22014/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22014/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22014")                        = 0
mkdir("./22015", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22874
./strace-static-x86_64: Process 22874 attached
[pid 22874] set_robust_list(0x55558cab0660, 24) = 0
[pid 22874] chdir("./22015")            = 0
[pid 22874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22874] setpgid(0, 0)               = 0
[pid 22874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22874] write(3, "1000", 4)         = 4
[pid 22874] close(3)                    = 0
[pid 22874] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22874] write(1, "executing program\n", 18) = 18
[pid 22874] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22874] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22874] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22874] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22874] exit_group(0)               = ?
[pid 22874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22015", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22015", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22015/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22015/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22015/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22015")                        = 0
mkdir("./22016", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22875 attached
, child_tidptr=0x55558cab0650) = 22875
[pid 22875] set_robust_list(0x55558cab0660, 24) = 0
[pid 22875] chdir("./22016")            = 0
[pid 22875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22875] setpgid(0, 0)               = 0
[pid 22875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22875] write(3, "1000", 4)         = 4
[pid 22875] close(3)                    = 0
[pid 22875] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22875] write(1, "executing program\n", 18executing program
) = 18
[pid 22875] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22875] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22875] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22875] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22875] exit_group(0)               = ?
[pid 22875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22016", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22016", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22016/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22016/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22016/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22016")                        = 0
mkdir("./22017", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22876 attached
, child_tidptr=0x55558cab0650) = 22876
[pid 22876] set_robust_list(0x55558cab0660, 24) = 0
[pid 22876] chdir("./22017")            = 0
[pid 22876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22876] setpgid(0, 0)               = 0
[pid 22876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22876] write(3, "1000", 4)         = 4
[pid 22876] close(3)                    = 0
[pid 22876] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22876] write(1, "executing program\n", 18) = 18
[pid 22876] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22876] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22876] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22876] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22876] exit_group(0)               = ?
[pid 22876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22017", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22017", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22017/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22017/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22017/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22017")                        = 0
mkdir("./22018", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22877 attached
, child_tidptr=0x55558cab0650) = 22877
[pid 22877] set_robust_list(0x55558cab0660, 24) = 0
[pid 22877] chdir("./22018")            = 0
[pid 22877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22877] setpgid(0, 0)               = 0
[pid 22877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22877] write(3, "1000", 4)         = 4
[pid 22877] close(3)                    = 0
[pid 22877] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22877] write(1, "executing program\n", 18) = 18
[pid 22877] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22877] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22877] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22877] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22877] exit_group(0)               = ?
[pid 22877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22018", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22018", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22018/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22018/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22018/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22018")                        = 0
mkdir("./22019", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22878 attached
, child_tidptr=0x55558cab0650) = 22878
[pid 22878] set_robust_list(0x55558cab0660, 24) = 0
[pid 22878] chdir("./22019")            = 0
[pid 22878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22878] setpgid(0, 0)               = 0
[pid 22878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22878] write(3, "1000", 4)         = 4
[pid 22878] close(3)                    = 0
[pid 22878] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22878] write(1, "executing program\n", 18) = 18
[pid 22878] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22878] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22878] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22878] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22878] exit_group(0)               = ?
[pid 22878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22019", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22019", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22019/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22019/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22019/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22019")                        = 0
mkdir("./22020", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22879 attached
, child_tidptr=0x55558cab0650) = 22879
[pid 22879] set_robust_list(0x55558cab0660, 24) = 0
[pid 22879] chdir("./22020")            = 0
[pid 22879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22879] setpgid(0, 0)               = 0
[pid 22879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22879] write(3, "1000", 4)         = 4
[pid 22879] close(3)                    = 0
[pid 22879] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22879] write(1, "executing program\n", 18executing program
) = 18
[pid 22879] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22879] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22879] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22879] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22879] exit_group(0)               = ?
[pid 22879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22020", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22020", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22020/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22020/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22020/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22020")                        = 0
mkdir("./22021", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22880 attached
, child_tidptr=0x55558cab0650) = 22880
[pid 22880] set_robust_list(0x55558cab0660, 24) = 0
[pid 22880] chdir("./22021")            = 0
[pid 22880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22880] setpgid(0, 0)               = 0
[pid 22880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22880] write(3, "1000", 4)         = 4
[pid 22880] close(3)                    = 0
[pid 22880] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22880] write(1, "executing program\n", 18) = 18
[pid 22880] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22880] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22880] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22880] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22880] exit_group(0)               = ?
[pid 22880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22021", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22021", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22021/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22021/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22021/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22021")                        = 0
mkdir("./22022", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22881
./strace-static-x86_64: Process 22881 attached
[pid 22881] set_robust_list(0x55558cab0660, 24) = 0
[pid 22881] chdir("./22022")            = 0
[pid 22881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22881] setpgid(0, 0)               = 0
[pid 22881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22881] write(3, "1000", 4)         = 4
[pid 22881] close(3)                    = 0
[pid 22881] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22881] write(1, "executing program\n", 18) = 18
[pid 22881] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22881] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22881] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22881] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22881] exit_group(0)               = ?
[pid 22881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22022", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22022", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22022/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22022/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22022/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22022")                        = 0
mkdir("./22023", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22882
./strace-static-x86_64: Process 22882 attached
[pid 22882] set_robust_list(0x55558cab0660, 24) = 0
[pid 22882] chdir("./22023")            = 0
[pid 22882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22882] setpgid(0, 0)               = 0
[pid 22882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22882] write(3, "1000", 4)         = 4
[pid 22882] close(3)                    = 0
[pid 22882] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22882] write(1, "executing program\n", 18) = 18
[pid 22882] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22882] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22882] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22882] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22882] exit_group(0)               = ?
[pid 22882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22023", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22023", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22023/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22023/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22023/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22023")                        = 0
mkdir("./22024", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22883
./strace-static-x86_64: Process 22883 attached
[pid 22883] set_robust_list(0x55558cab0660, 24) = 0
[pid 22883] chdir("./22024")            = 0
[pid 22883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22883] setpgid(0, 0)               = 0
[pid 22883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22883] write(3, "1000", 4)         = 4
[pid 22883] close(3)                    = 0
[pid 22883] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22883] write(1, "executing program\n", 18) = 18
[pid 22883] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22883] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22883] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22883] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22883] exit_group(0)               = ?
[pid 22883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22024", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22024", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22024/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22024/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22024/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22024")                        = 0
mkdir("./22025", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22884
./strace-static-x86_64: Process 22884 attached
[pid 22884] set_robust_list(0x55558cab0660, 24) = 0
[pid 22884] chdir("./22025")            = 0
[pid 22884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22884] setpgid(0, 0)               = 0
[pid 22884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22884] write(3, "1000", 4)         = 4
[pid 22884] close(3)                    = 0
[pid 22884] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22884] write(1, "executing program\n", 18executing program
) = 18
[pid 22884] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22884] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22884] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22884] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22884] exit_group(0)               = ?
[pid 22884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22025", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22025", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22025/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22025/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22025/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22025")                        = 0
mkdir("./22026", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22885
./strace-static-x86_64: Process 22885 attached
[pid 22885] set_robust_list(0x55558cab0660, 24) = 0
[pid 22885] chdir("./22026")            = 0
[pid 22885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22885] setpgid(0, 0)               = 0
[pid 22885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22885] write(3, "1000", 4)         = 4
[pid 22885] close(3)                    = 0
[pid 22885] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22885] write(1, "executing program\n", 18executing program
) = 18
[pid 22885] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22885] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22885] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22885] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22885] exit_group(0)               = ?
[pid 22885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22026", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22026", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22026/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22026/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22026/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22026")                        = 0
mkdir("./22027", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22886 attached
, child_tidptr=0x55558cab0650) = 22886
[pid 22886] set_robust_list(0x55558cab0660, 24) = 0
[pid 22886] chdir("./22027")            = 0
[pid 22886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22886] setpgid(0, 0)               = 0
[pid 22886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22886] write(3, "1000", 4)         = 4
[pid 22886] close(3)                    = 0
[pid 22886] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22886] write(1, "executing program\n", 18) = 18
[pid 22886] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22886] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22886] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22886] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22886] exit_group(0)               = ?
[pid 22886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22027", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22027", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22027/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22027/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22027/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22027")                        = 0
mkdir("./22028", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22887
./strace-static-x86_64: Process 22887 attached
[pid 22887] set_robust_list(0x55558cab0660, 24) = 0
[pid 22887] chdir("./22028")            = 0
[pid 22887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22887] setpgid(0, 0)               = 0
[pid 22887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22887] write(3, "1000", 4)         = 4
[pid 22887] close(3)                    = 0
[pid 22887] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22887] write(1, "executing program\n", 18) = 18
[pid 22887] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22887] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22887] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22887] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22887] exit_group(0)               = ?
[pid 22887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22028", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22028", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22028/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22028/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22028/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22028")                        = 0
mkdir("./22029", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22888 attached
, child_tidptr=0x55558cab0650) = 22888
[pid 22888] set_robust_list(0x55558cab0660, 24) = 0
[pid 22888] chdir("./22029")            = 0
[pid 22888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22888] setpgid(0, 0)               = 0
[pid 22888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22888] write(3, "1000", 4)         = 4
[pid 22888] close(3)                    = 0
[pid 22888] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22888] write(1, "executing program\n", 18executing program
) = 18
[pid 22888] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22888] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22888] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22888] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22888] exit_group(0)               = ?
[pid 22888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22029", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22029", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22029/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22029/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22029/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22029")                        = 0
mkdir("./22030", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22889 attached
, child_tidptr=0x55558cab0650) = 22889
[pid 22889] set_robust_list(0x55558cab0660, 24) = 0
[pid 22889] chdir("./22030")            = 0
[pid 22889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22889] setpgid(0, 0)               = 0
[pid 22889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22889] write(3, "1000", 4)         = 4
[pid 22889] close(3)                    = 0
[pid 22889] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22889] write(1, "executing program\n", 18) = 18
[pid 22889] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22889] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22889] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22889] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22889] exit_group(0)               = ?
[pid 22889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22030", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22030", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22030/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22030/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22030/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22030")                        = 0
mkdir("./22031", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22890
./strace-static-x86_64: Process 22890 attached
[pid 22890] set_robust_list(0x55558cab0660, 24) = 0
[pid 22890] chdir("./22031")            = 0
[pid 22890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22890] setpgid(0, 0)               = 0
[pid 22890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22890] write(3, "1000", 4)         = 4
[pid 22890] close(3)                    = 0
[pid 22890] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22890] write(1, "executing program\n", 18executing program
) = 18
[pid 22890] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22890] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22890] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22890] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22890] exit_group(0)               = ?
[pid 22890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22031", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22031", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22031/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22031/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22031/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22031")                        = 0
mkdir("./22032", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22891
./strace-static-x86_64: Process 22891 attached
[pid 22891] set_robust_list(0x55558cab0660, 24) = 0
[pid 22891] chdir("./22032")            = 0
[pid 22891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22891] setpgid(0, 0)               = 0
[pid 22891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22891] write(3, "1000", 4)         = 4
[pid 22891] close(3)                    = 0
[pid 22891] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22891] write(1, "executing program\n", 18) = 18
[pid 22891] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22891] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22891] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22891] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22891] exit_group(0)               = ?
[pid 22891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22032", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22032", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22032/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22032/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22032/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22032")                        = 0
mkdir("./22033", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22892 attached
, child_tidptr=0x55558cab0650) = 22892
[pid 22892] set_robust_list(0x55558cab0660, 24) = 0
[pid 22892] chdir("./22033")            = 0
[pid 22892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22892] setpgid(0, 0)               = 0
[pid 22892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22892] write(3, "1000", 4)         = 4
[pid 22892] close(3)                    = 0
[pid 22892] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22892] write(1, "executing program\n", 18) = 18
[pid 22892] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22892] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22892] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22892] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22892] exit_group(0)               = ?
[pid 22892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22033", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22033", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22033/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22033/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22033/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22033")                        = 0
mkdir("./22034", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22893
./strace-static-x86_64: Process 22893 attached
[pid 22893] set_robust_list(0x55558cab0660, 24) = 0
[pid 22893] chdir("./22034")            = 0
[pid 22893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22893] setpgid(0, 0)               = 0
[pid 22893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22893] write(3, "1000", 4)         = 4
[pid 22893] close(3)                    = 0
[pid 22893] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22893] write(1, "executing program\n", 18) = 18
[pid 22893] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22893] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22893] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22893] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22893] exit_group(0)               = ?
[pid 22893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22034", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22034", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22034/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22034/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22034/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22034")                        = 0
mkdir("./22035", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22894 attached
, child_tidptr=0x55558cab0650) = 22894
[pid 22894] set_robust_list(0x55558cab0660, 24) = 0
[pid 22894] chdir("./22035")            = 0
[pid 22894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22894] setpgid(0, 0)               = 0
[pid 22894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22894] write(3, "1000", 4)         = 4
[pid 22894] close(3)                    = 0
[pid 22894] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22894] write(1, "executing program\n", 18) = 18
[pid 22894] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22894] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22894] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22894] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22894] exit_group(0)               = ?
[pid 22894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22035", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22035", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22035/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22035/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22035/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22035")                        = 0
mkdir("./22036", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22895
./strace-static-x86_64: Process 22895 attached
[pid 22895] set_robust_list(0x55558cab0660, 24) = 0
[pid 22895] chdir("./22036")            = 0
[pid 22895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22895] setpgid(0, 0)               = 0
[pid 22895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22895] write(3, "1000", 4)         = 4
[pid 22895] close(3)                    = 0
[pid 22895] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22895] write(1, "executing program\n", 18) = 18
[pid 22895] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22895] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22895] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22895] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22895] exit_group(0)               = ?
[pid 22895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22036", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22036", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22036/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22036/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22036/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22036")                        = 0
mkdir("./22037", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22896 attached
, child_tidptr=0x55558cab0650) = 22896
[pid 22896] set_robust_list(0x55558cab0660, 24) = 0
[pid 22896] chdir("./22037")            = 0
[pid 22896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22896] setpgid(0, 0)               = 0
[pid 22896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22896] write(3, "1000", 4)         = 4
[pid 22896] close(3)                    = 0
[pid 22896] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22896] write(1, "executing program\n", 18) = 18
[pid 22896] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22896] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22896] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22896] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22896] exit_group(0)               = ?
[pid 22896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22037", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22037", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22037/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22037/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22037/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22037")                        = 0
mkdir("./22038", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22897 attached
, child_tidptr=0x55558cab0650) = 22897
[pid 22897] set_robust_list(0x55558cab0660, 24) = 0
[pid 22897] chdir("./22038")            = 0
[pid 22897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22897] setpgid(0, 0)               = 0
[pid 22897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22897] write(3, "1000", 4)         = 4
[pid 22897] close(3)                    = 0
[pid 22897] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22897] write(1, "executing program\n", 18executing program
) = 18
[pid 22897] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22897] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22897] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22897] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22897] exit_group(0)               = ?
[pid 22897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22038", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22038", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22038/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22038/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22038/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22038")                        = 0
mkdir("./22039", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22898
./strace-static-x86_64: Process 22898 attached
[pid 22898] set_robust_list(0x55558cab0660, 24) = 0
[pid 22898] chdir("./22039")            = 0
[pid 22898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22898] setpgid(0, 0)               = 0
[pid 22898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22898] write(3, "1000", 4)         = 4
[pid 22898] close(3)                    = 0
[pid 22898] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22898] write(1, "executing program\n", 18) = 18
[pid 22898] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22898] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22898] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22898] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22898] exit_group(0)               = ?
[pid 22898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22039", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22039", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22039/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22039/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22039/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22039")                        = 0
mkdir("./22040", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22899 attached
 <unfinished ...>
[pid 22899] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22899
[pid 22899] chdir("./22040")            = 0
[pid 22899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22899] setpgid(0, 0)               = 0
[pid 22899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22899] write(3, "1000", 4)         = 4
[pid 22899] close(3)                    = 0
[pid 22899] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22899] write(1, "executing program\n", 18) = 18
[pid 22899] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22899] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22899] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22899] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22899] exit_group(0)               = ?
[pid 22899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22040", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22040", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22040/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22040/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22040/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22040")                        = 0
mkdir("./22041", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22900 attached
, child_tidptr=0x55558cab0650) = 22900
[pid 22900] set_robust_list(0x55558cab0660, 24) = 0
[pid 22900] chdir("./22041")            = 0
[pid 22900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22900] setpgid(0, 0)               = 0
[pid 22900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22900] write(3, "1000", 4)         = 4
[pid 22900] close(3)                    = 0
[pid 22900] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22900] write(1, "executing program\n", 18) = 18
[pid 22900] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22900] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22900] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22900] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22900] exit_group(0)               = ?
[pid 22900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22041", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22041", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22041/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22041/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22041/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22041")                        = 0
mkdir("./22042", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22901
./strace-static-x86_64: Process 22901 attached
[pid 22901] set_robust_list(0x55558cab0660, 24) = 0
[pid 22901] chdir("./22042")            = 0
[pid 22901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22901] setpgid(0, 0)               = 0
[pid 22901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22901] write(3, "1000", 4)         = 4
[pid 22901] close(3)                    = 0
[pid 22901] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22901] write(1, "executing program\n", 18) = 18
[pid 22901] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22901] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22901] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22901] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22901] exit_group(0)               = ?
[pid 22901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22042", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22042", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22042/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22042/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22042/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22042")                        = 0
mkdir("./22043", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22902 attached
, child_tidptr=0x55558cab0650) = 22902
[pid 22902] set_robust_list(0x55558cab0660, 24) = 0
[pid 22902] chdir("./22043")            = 0
[pid 22902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22902] setpgid(0, 0)               = 0
[pid 22902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22902] write(3, "1000", 4)         = 4
[pid 22902] close(3)                    = 0
[pid 22902] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22902] write(1, "executing program\n", 18executing program
) = 18
[pid 22902] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22902] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22902] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22902] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22902] exit_group(0)               = ?
[pid 22902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22043", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22043", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22043/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22043/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22043/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22043")                        = 0
mkdir("./22044", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22903 attached
 <unfinished ...>
[pid 22903] set_robust_list(0x55558cab0660, 24) = 0
[pid 22903] chdir("./22044" <unfinished ...>
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22903
[pid 22903] <... chdir resumed>)        = 0
[pid 22903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22903] setpgid(0, 0)               = 0
[pid 22903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22903] write(3, "1000", 4)         = 4
[pid 22903] close(3)                    = 0
[pid 22903] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22903] write(1, "executing program\n", 18) = 18
[pid 22903] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22903] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22903] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22903] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22903] exit_group(0)               = ?
[pid 22903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22044", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22044", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22044/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22044/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22044/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22044")                        = 0
mkdir("./22045", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22904
./strace-static-x86_64: Process 22904 attached
[pid 22904] set_robust_list(0x55558cab0660, 24) = 0
[pid 22904] chdir("./22045")            = 0
[pid 22904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22904] setpgid(0, 0)               = 0
[pid 22904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22904] write(3, "1000", 4)         = 4
[pid 22904] close(3)                    = 0
[pid 22904] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22904] write(1, "executing program\n", 18executing program
) = 18
[pid 22904] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22904] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22904] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22904] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22904] exit_group(0)               = ?
[pid 22904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22045", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22045", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22045/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22045/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22045/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22045")                        = 0
mkdir("./22046", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22905
./strace-static-x86_64: Process 22905 attached
[pid 22905] set_robust_list(0x55558cab0660, 24) = 0
[pid 22905] chdir("./22046")            = 0
[pid 22905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22905] setpgid(0, 0)               = 0
[pid 22905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22905] write(3, "1000", 4)         = 4
[pid 22905] close(3)                    = 0
[pid 22905] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22905] write(1, "executing program\n", 18) = 18
[pid 22905] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22905] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22905] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22905] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22905] exit_group(0)               = ?
[pid 22905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22046", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22046", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22046/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22046/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22046/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22046")                        = 0
mkdir("./22047", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22906
./strace-static-x86_64: Process 22906 attached
[pid 22906] set_robust_list(0x55558cab0660, 24) = 0
[pid 22906] chdir("./22047")            = 0
[pid 22906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22906] setpgid(0, 0)               = 0
[pid 22906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22906] write(3, "1000", 4)         = 4
[pid 22906] close(3)                    = 0
executing program
[pid 22906] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22906] write(1, "executing program\n", 18) = 18
[pid 22906] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22906] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22906] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22906] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22906] exit_group(0)               = ?
[pid 22906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22047", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22047", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22047/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22047/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22047/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22047")                        = 0
mkdir("./22048", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22907
./strace-static-x86_64: Process 22907 attached
[pid 22907] set_robust_list(0x55558cab0660, 24) = 0
[pid 22907] chdir("./22048")            = 0
[pid 22907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22907] setpgid(0, 0)               = 0
[pid 22907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22907] write(3, "1000", 4)         = 4
[pid 22907] close(3)                    = 0
[pid 22907] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22907] write(1, "executing program\n", 18) = 18
[pid 22907] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22907] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22907] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22907] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22907] exit_group(0)               = ?
[pid 22907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22048", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22048", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22048/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22048/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22048/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22048")                        = 0
mkdir("./22049", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22908 attached
, child_tidptr=0x55558cab0650) = 22908
[pid 22908] set_robust_list(0x55558cab0660, 24) = 0
[pid 22908] chdir("./22049")            = 0
[pid 22908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22908] setpgid(0, 0)               = 0
[pid 22908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22908] write(3, "1000", 4)         = 4
[pid 22908] close(3)                    = 0
[pid 22908] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22908] write(1, "executing program\n", 18) = 18
[pid 22908] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22908] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22908] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22908] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22908] exit_group(0)               = ?
[pid 22908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22049", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22049", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22049/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22049/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22049/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22049")                        = 0
mkdir("./22050", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22909 attached
, child_tidptr=0x55558cab0650) = 22909
[pid 22909] set_robust_list(0x55558cab0660, 24) = 0
[pid 22909] chdir("./22050")            = 0
[pid 22909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22909] setpgid(0, 0)               = 0
[pid 22909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22909] write(3, "1000", 4)         = 4
[pid 22909] close(3)                    = 0
[pid 22909] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22909] write(1, "executing program\n", 18) = 18
[pid 22909] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22909] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22909] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22909] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22909] exit_group(0)               = ?
[pid 22909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22050", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22050", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22050/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22050/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22050/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22050")                        = 0
mkdir("./22051", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22910 attached
, child_tidptr=0x55558cab0650) = 22910
[pid 22910] set_robust_list(0x55558cab0660, 24) = 0
[pid 22910] chdir("./22051")            = 0
[pid 22910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22910] setpgid(0, 0)               = 0
[pid 22910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22910] write(3, "1000", 4)         = 4
[pid 22910] close(3)                    = 0
[pid 22910] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22910] write(1, "executing program\n", 18executing program
) = 18
[pid 22910] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22910] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22910] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22910] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22910] exit_group(0)               = ?
[pid 22910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22051", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22051", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22051/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22051/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22051/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22051")                        = 0
mkdir("./22052", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22911 attached
, child_tidptr=0x55558cab0650) = 22911
[pid 22911] set_robust_list(0x55558cab0660, 24) = 0
[pid 22911] chdir("./22052")            = 0
[pid 22911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22911] setpgid(0, 0)               = 0
[pid 22911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22911] write(3, "1000", 4)         = 4
[pid 22911] close(3)                    = 0
[pid 22911] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22911] write(1, "executing program\n", 18) = 18
[pid 22911] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22911] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22911] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22911] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22911] exit_group(0)               = ?
[pid 22911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22052", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22052", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22052/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22052/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22052/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22052")                        = 0
mkdir("./22053", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22912
./strace-static-x86_64: Process 22912 attached
[pid 22912] set_robust_list(0x55558cab0660, 24) = 0
[pid 22912] chdir("./22053")            = 0
[pid 22912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22912] setpgid(0, 0)               = 0
[pid 22912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22912] write(3, "1000", 4)         = 4
[pid 22912] close(3)                    = 0
[pid 22912] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22912] write(1, "executing program\n", 18executing program
) = 18
[pid 22912] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22912] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22912] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22912] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22912] exit_group(0)               = ?
[pid 22912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22053", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22053", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22053/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22053/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22053/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22053")                        = 0
mkdir("./22054", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22913 attached
 <unfinished ...>
[pid 22913] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22913
[pid 22913] chdir("./22054")            = 0
[pid 22913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22913] setpgid(0, 0)               = 0
[pid 22913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22913] write(3, "1000", 4)         = 4
[pid 22913] close(3)                    = 0
[pid 22913] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22913] write(1, "executing program\n", 18executing program
) = 18
[pid 22913] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22913] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22913] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22913] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22913] exit_group(0)               = ?
[pid 22913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22054", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22054", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22054/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22054/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22054/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22054")                        = 0
mkdir("./22055", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22914 attached
, child_tidptr=0x55558cab0650) = 22914
[pid 22914] set_robust_list(0x55558cab0660, 24) = 0
[pid 22914] chdir("./22055")            = 0
[pid 22914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22914] setpgid(0, 0)               = 0
[pid 22914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22914] write(3, "1000", 4)         = 4
[pid 22914] close(3)                    = 0
[pid 22914] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22914] write(1, "executing program\n", 18) = 18
[pid 22914] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22914] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22914] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22914] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22914] exit_group(0)               = ?
[pid 22914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22055", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22055", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22055/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22055/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22055/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22055")                        = 0
mkdir("./22056", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22915
./strace-static-x86_64: Process 22915 attached
[pid 22915] set_robust_list(0x55558cab0660, 24) = 0
[pid 22915] chdir("./22056")            = 0
[pid 22915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22915] setpgid(0, 0)               = 0
[pid 22915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22915] write(3, "1000", 4)         = 4
[pid 22915] close(3)                    = 0
[pid 22915] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22915] write(1, "executing program\n", 18) = 18
[pid 22915] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22915] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22915] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22915] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22915] exit_group(0)               = ?
[pid 22915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22056", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22056", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22056/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22056/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22056/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22056")                        = 0
mkdir("./22057", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22916 attached
, child_tidptr=0x55558cab0650) = 22916
[pid 22916] set_robust_list(0x55558cab0660, 24) = 0
[pid 22916] chdir("./22057")            = 0
[pid 22916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22916] setpgid(0, 0)               = 0
[pid 22916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22916] write(3, "1000", 4)         = 4
[pid 22916] close(3)                    = 0
[pid 22916] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22916] write(1, "executing program\n", 18) = 18
[pid 22916] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22916] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22916] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22916] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22916] exit_group(0)               = ?
[pid 22916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22057", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22057", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22057/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22057/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22057/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22057")                        = 0
mkdir("./22058", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22917
./strace-static-x86_64: Process 22917 attached
[pid 22917] set_robust_list(0x55558cab0660, 24) = 0
[pid 22917] chdir("./22058")            = 0
[pid 22917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22917] setpgid(0, 0)               = 0
[pid 22917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22917] write(3, "1000", 4)         = 4
[pid 22917] close(3)                    = 0
[pid 22917] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22917] write(1, "executing program\n", 18) = 18
[pid 22917] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22917] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22917] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22917] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22917] exit_group(0)               = ?
[pid 22917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22058", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22058", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22058/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22058/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22058/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22058")                        = 0
mkdir("./22059", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22918
./strace-static-x86_64: Process 22918 attached
[pid 22918] set_robust_list(0x55558cab0660, 24) = 0
[pid 22918] chdir("./22059")            = 0
[pid 22918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22918] setpgid(0, 0)               = 0
[pid 22918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22918] write(3, "1000", 4)         = 4
[pid 22918] close(3)                    = 0
[pid 22918] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22918] write(1, "executing program\n", 18executing program
) = 18
[pid 22918] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22918] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22918] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22918] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22918] exit_group(0)               = ?
[pid 22918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22059", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22059", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22059/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22059/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22059/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22059")                        = 0
mkdir("./22060", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22919 attached
, child_tidptr=0x55558cab0650) = 22919
[pid 22919] set_robust_list(0x55558cab0660, 24) = 0
[pid 22919] chdir("./22060")            = 0
[pid 22919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22919] setpgid(0, 0)               = 0
[pid 22919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22919] write(3, "1000", 4)         = 4
[pid 22919] close(3)                    = 0
[pid 22919] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22919] write(1, "executing program\n", 18) = 18
[pid 22919] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22919] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22919] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22919] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22919] exit_group(0)               = ?
[pid 22919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22060", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22060", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22060/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22060/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22060/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22060")                        = 0
mkdir("./22061", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22921
./strace-static-x86_64: Process 22921 attached
[pid 22921] set_robust_list(0x55558cab0660, 24) = 0
[pid 22921] chdir("./22061")            = 0
[pid 22921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22921] setpgid(0, 0)               = 0
[pid 22921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22921] write(3, "1000", 4)         = 4
[pid 22921] close(3)                    = 0
[pid 22921] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22921] write(1, "executing program\n", 18) = 18
[pid 22921] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22921] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22921] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22921] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22921] exit_group(0)               = ?
[pid 22921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22061", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22061", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22061/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22061/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22061/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22061")                        = 0
mkdir("./22062", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22922
./strace-static-x86_64: Process 22922 attached
[pid 22922] set_robust_list(0x55558cab0660, 24) = 0
[pid 22922] chdir("./22062")            = 0
[pid 22922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22922] setpgid(0, 0)               = 0
[pid 22922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22922] write(3, "1000", 4)         = 4
[pid 22922] close(3)                    = 0
[pid 22922] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22922] write(1, "executing program\n", 18) = 18
[pid 22922] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22922] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22922] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22922] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22922] exit_group(0)               = ?
[pid 22922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22062", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22062", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22062/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22062/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22062/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22062")                        = 0
mkdir("./22063", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22923 attached
, child_tidptr=0x55558cab0650) = 22923
[pid 22923] set_robust_list(0x55558cab0660, 24) = 0
[pid 22923] chdir("./22063")            = 0
[pid 22923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22923] setpgid(0, 0)               = 0
[pid 22923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22923] write(3, "1000", 4)         = 4
[pid 22923] close(3)                    = 0
[pid 22923] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22923] write(1, "executing program\n", 18executing program
) = 18
[pid 22923] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22923] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22923] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22923] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22923] exit_group(0)               = ?
[pid 22923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22063", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22063", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22063/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22063/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22063/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22063")                        = 0
mkdir("./22064", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22924 attached
, child_tidptr=0x55558cab0650) = 22924
[pid 22924] set_robust_list(0x55558cab0660, 24) = 0
[pid 22924] chdir("./22064")            = 0
[pid 22924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22924] setpgid(0, 0)               = 0
[pid 22924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22924] write(3, "1000", 4)         = 4
[pid 22924] close(3)                    = 0
[pid 22924] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22924] write(1, "executing program\n", 18executing program
) = 18
[pid 22924] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22924] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22924] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22924] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22924] exit_group(0)               = ?
[pid 22924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22064", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22064", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22064/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22064/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22064/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22064")                        = 0
mkdir("./22065", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22925
./strace-static-x86_64: Process 22925 attached
[pid 22925] set_robust_list(0x55558cab0660, 24) = 0
[pid 22925] chdir("./22065")            = 0
[pid 22925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22925] setpgid(0, 0)               = 0
[pid 22925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22925] write(3, "1000", 4)         = 4
[pid 22925] close(3)                    = 0
[pid 22925] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22925] write(1, "executing program\n", 18) = 18
[pid 22925] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22925] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22925] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22925] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22925] exit_group(0)               = ?
[pid 22925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22065", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22065", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22065/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22065/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22065/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22065")                        = 0
mkdir("./22066", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22926 attached
, child_tidptr=0x55558cab0650) = 22926
[pid 22926] set_robust_list(0x55558cab0660, 24) = 0
[pid 22926] chdir("./22066")            = 0
[pid 22926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22926] setpgid(0, 0)               = 0
[pid 22926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22926] write(3, "1000", 4)         = 4
[pid 22926] close(3)                    = 0
[pid 22926] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22926] write(1, "executing program\n", 18) = 18
[pid 22926] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22926] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22926] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22926] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22926] exit_group(0)               = ?
[pid 22926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22066", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22066", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22066/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22066/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22066/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22066")                        = 0
mkdir("./22067", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22927
./strace-static-x86_64: Process 22927 attached
[pid 22927] set_robust_list(0x55558cab0660, 24) = 0
[pid 22927] chdir("./22067")            = 0
[pid 22927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22927] setpgid(0, 0)               = 0
[pid 22927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22927] write(3, "1000", 4)         = 4
[pid 22927] close(3)                    = 0
[pid 22927] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22927] write(1, "executing program\n", 18executing program
) = 18
[pid 22927] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22927] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22927] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22927] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22927] exit_group(0)               = ?
[pid 22927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22067", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22067", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22067/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22067/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22067/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22067")                        = 0
mkdir("./22068", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22928 attached
 <unfinished ...>
[pid 22928] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 22928
[pid 22928] chdir("./22068")            = 0
[pid 22928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22928] setpgid(0, 0)               = 0
[pid 22928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22928] write(3, "1000", 4)         = 4
[pid 22928] close(3)                    = 0
[pid 22928] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22928] write(1, "executing program\n", 18executing program
) = 18
[pid 22928] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22928] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22928] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22928] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22928] exit_group(0)               = ?
[pid 22928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22068", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22068", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22068/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22068/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22068/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22068")                        = 0
mkdir("./22069", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22929
./strace-static-x86_64: Process 22929 attached
[pid 22929] set_robust_list(0x55558cab0660, 24) = 0
[pid 22929] chdir("./22069")            = 0
[pid 22929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22929] setpgid(0, 0)               = 0
[pid 22929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22929] write(3, "1000", 4)         = 4
[pid 22929] close(3)                    = 0
[pid 22929] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22929] write(1, "executing program\n", 18) = 18
[pid 22929] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22929] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22929] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22929] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22929] exit_group(0)               = ?
[pid 22929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22069", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22069", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22069/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22069/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22069/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22069")                        = 0
mkdir("./22070", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22930 attached
, child_tidptr=0x55558cab0650) = 22930
[pid 22930] set_robust_list(0x55558cab0660, 24) = 0
[pid 22930] chdir("./22070")            = 0
[pid 22930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22930] setpgid(0, 0)               = 0
[pid 22930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22930] write(3, "1000", 4)         = 4
[pid 22930] close(3)                    = 0
[pid 22930] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22930] write(1, "executing program\n", 18) = 18
[pid 22930] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22930] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22930] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22930] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22930] exit_group(0)               = ?
[pid 22930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22070", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22070", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22070/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22070/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22070/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22070")                        = 0
mkdir("./22071", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22931
./strace-static-x86_64: Process 22931 attached
[pid 22931] set_robust_list(0x55558cab0660, 24) = 0
[pid 22931] chdir("./22071")            = 0
[pid 22931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22931] setpgid(0, 0)               = 0
[pid 22931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22931] write(3, "1000", 4)         = 4
[pid 22931] close(3)                    = 0
[pid 22931] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22931] write(1, "executing program\n", 18executing program
) = 18
[pid 22931] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22931] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22931] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22931] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22931] exit_group(0)               = ?
[pid 22931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22071", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22071", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22071/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22071/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22071/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22071")                        = 0
mkdir("./22072", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22932 attached
, child_tidptr=0x55558cab0650) = 22932
[pid 22932] set_robust_list(0x55558cab0660, 24) = 0
[pid 22932] chdir("./22072")            = 0
[pid 22932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22932] setpgid(0, 0)               = 0
[pid 22932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22932] write(3, "1000", 4)         = 4
[pid 22932] close(3)                    = 0
[pid 22932] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22932] write(1, "executing program\n", 18) = 18
[pid 22932] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22932] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22932] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22932] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22932] exit_group(0)               = ?
[pid 22932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22072", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22072", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22072/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22072/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22072/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22072")                        = 0
mkdir("./22073", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22933
./strace-static-x86_64: Process 22933 attached
[pid 22933] set_robust_list(0x55558cab0660, 24) = 0
[pid 22933] chdir("./22073")            = 0
[pid 22933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22933] setpgid(0, 0)               = 0
[pid 22933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22933] write(3, "1000", 4)         = 4
[pid 22933] close(3)                    = 0
[pid 22933] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22933] write(1, "executing program\n", 18) = 18
[pid 22933] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22933] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22933] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22933] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22933] exit_group(0)               = ?
[pid 22933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22073", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22073", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22073/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22073/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22073/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22073")                        = 0
mkdir("./22074", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22934 attached
, child_tidptr=0x55558cab0650) = 22934
[pid 22934] set_robust_list(0x55558cab0660, 24) = 0
[pid 22934] chdir("./22074")            = 0
[pid 22934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22934] setpgid(0, 0)               = 0
[pid 22934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22934] write(3, "1000", 4)         = 4
[pid 22934] close(3)                    = 0
[pid 22934] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22934] write(1, "executing program\n", 18executing program
) = 18
[pid 22934] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22934] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22934] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22934] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22934] exit_group(0)               = ?
[pid 22934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22074", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22074", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22074/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22074/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22074/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22074")                        = 0
mkdir("./22075", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22935
./strace-static-x86_64: Process 22935 attached
[pid 22935] set_robust_list(0x55558cab0660, 24) = 0
[pid 22935] chdir("./22075")            = 0
[pid 22935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22935] setpgid(0, 0)               = 0
[pid 22935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22935] write(3, "1000", 4)         = 4
[pid 22935] close(3)                    = 0
[pid 22935] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22935] write(1, "executing program\n", 18) = 18
[pid 22935] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22935] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22935] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22935] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22935] exit_group(0)               = ?
[pid 22935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22075", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22075", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22075/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22075/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22075/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22075")                        = 0
mkdir("./22076", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22936
./strace-static-x86_64: Process 22936 attached
[pid 22936] set_robust_list(0x55558cab0660, 24) = 0
[pid 22936] chdir("./22076")            = 0
[pid 22936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22936] setpgid(0, 0)               = 0
[pid 22936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22936] write(3, "1000", 4)         = 4
[pid 22936] close(3)                    = 0
executing program
[pid 22936] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22936] write(1, "executing program\n", 18) = 18
[pid 22936] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22936] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22936] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22936] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22936] exit_group(0)               = ?
[pid 22936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22076", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22076", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22076/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22076/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22076/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22076")                        = 0
mkdir("./22077", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22937
./strace-static-x86_64: Process 22937 attached
[pid 22937] set_robust_list(0x55558cab0660, 24) = 0
[pid 22937] chdir("./22077")            = 0
[pid 22937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22937] setpgid(0, 0)               = 0
[pid 22937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22937] write(3, "1000", 4)         = 4
[pid 22937] close(3)                    = 0
[pid 22937] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22937] write(1, "executing program\n", 18) = 18
[pid 22937] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22937] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22937] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22937] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22937] exit_group(0)               = ?
[pid 22937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22077", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22077", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22077/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22077/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22077/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22077")                        = 0
mkdir("./22078", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22938
./strace-static-x86_64: Process 22938 attached
[pid 22938] set_robust_list(0x55558cab0660, 24) = 0
[pid 22938] chdir("./22078")            = 0
[pid 22938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22938] setpgid(0, 0)               = 0
[pid 22938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22938] write(3, "1000", 4)         = 4
[pid 22938] close(3)                    = 0
[pid 22938] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22938] write(1, "executing program\n", 18executing program
) = 18
[pid 22938] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22938] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22938] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22938] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22938] exit_group(0)               = ?
[pid 22938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22078", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22078", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22078/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22078/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22078/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22078")                        = 0
mkdir("./22079", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22939 attached
, child_tidptr=0x55558cab0650) = 22939
[pid 22939] set_robust_list(0x55558cab0660, 24) = 0
[pid 22939] chdir("./22079")            = 0
[pid 22939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22939] setpgid(0, 0)               = 0
[pid 22939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22939] write(3, "1000", 4)         = 4
[pid 22939] close(3)                    = 0
[pid 22939] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22939] write(1, "executing program\n", 18executing program
) = 18
[pid 22939] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22939] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22939] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22939] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22939] exit_group(0)               = ?
[pid 22939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22079", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22079", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22079/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22079/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22079/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22079")                        = 0
mkdir("./22080", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22940
./strace-static-x86_64: Process 22940 attached
[pid 22940] set_robust_list(0x55558cab0660, 24) = 0
[pid 22940] chdir("./22080")            = 0
[pid 22940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22940] setpgid(0, 0)               = 0
[pid 22940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22940] write(3, "1000", 4)         = 4
[pid 22940] close(3)                    = 0
[pid 22940] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22940] write(1, "executing program\n", 18) = 18
[pid 22940] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22940] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22940] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22940] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22940] exit_group(0)               = ?
[pid 22940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22080", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22080", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22080/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22080/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22080/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22080")                        = 0
mkdir("./22081", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22941
./strace-static-x86_64: Process 22941 attached
[pid 22941] set_robust_list(0x55558cab0660, 24) = 0
[pid 22941] chdir("./22081")            = 0
[pid 22941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22941] setpgid(0, 0)               = 0
[pid 22941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22941] write(3, "1000", 4)         = 4
[pid 22941] close(3)                    = 0
[pid 22941] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22941] write(1, "executing program\n", 18) = 18
[pid 22941] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22941] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22941] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22941] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22941] exit_group(0)               = ?
[pid 22941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22081", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22081", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22081/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22081/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22081/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22081")                        = 0
mkdir("./22082", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22942 attached
, child_tidptr=0x55558cab0650) = 22942
[pid 22942] set_robust_list(0x55558cab0660, 24) = 0
[pid 22942] chdir("./22082")            = 0
[pid 22942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22942] setpgid(0, 0)               = 0
[pid 22942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22942] write(3, "1000", 4)         = 4
[pid 22942] close(3)                    = 0
[pid 22942] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22942] write(1, "executing program\n", 18) = 18
[pid 22942] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22942] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22942] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22942] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22942] exit_group(0)               = ?
[pid 22942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22082", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22082", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22082/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22082/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22082/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22082")                        = 0
mkdir("./22083", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22943 attached
, child_tidptr=0x55558cab0650) = 22943
[pid 22943] set_robust_list(0x55558cab0660, 24) = 0
[pid 22943] chdir("./22083")            = 0
[pid 22943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22943] setpgid(0, 0)               = 0
[pid 22943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22943] write(3, "1000", 4)         = 4
[pid 22943] close(3)                    = 0
[pid 22943] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22943] write(1, "executing program\n", 18) = 18
[pid 22943] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22943] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22943] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22943] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22943] exit_group(0)               = ?
[pid 22943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22083", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22083", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22083/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22083/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22083/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22083")                        = 0
mkdir("./22084", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22944 attached
, child_tidptr=0x55558cab0650) = 22944
[pid 22944] set_robust_list(0x55558cab0660, 24) = 0
[pid 22944] chdir("./22084")            = 0
[pid 22944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22944] setpgid(0, 0)               = 0
[pid 22944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22944] write(3, "1000", 4)         = 4
[pid 22944] close(3)                    = 0
[pid 22944] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22944] write(1, "executing program\n", 18) = 18
[pid 22944] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22944] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22944] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22944] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22944] exit_group(0)               = ?
[pid 22944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22084", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22084", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22084/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22084/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22084/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22084")                        = 0
mkdir("./22085", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22945
./strace-static-x86_64: Process 22945 attached
[pid 22945] set_robust_list(0x55558cab0660, 24) = 0
[pid 22945] chdir("./22085")            = 0
[pid 22945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22945] setpgid(0, 0)               = 0
[pid 22945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22945] write(3, "1000", 4)         = 4
[pid 22945] close(3)                    = 0
[pid 22945] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22945] write(1, "executing program\n", 18) = 18
[pid 22945] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22945] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22945] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22945] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22945] exit_group(0)               = ?
[pid 22945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22085", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22085", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22085/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22085/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22085/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22085")                        = 0
mkdir("./22086", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22946 attached
, child_tidptr=0x55558cab0650) = 22946
[pid 22946] set_robust_list(0x55558cab0660, 24) = 0
[pid 22946] chdir("./22086")            = 0
[pid 22946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22946] setpgid(0, 0)               = 0
[pid 22946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22946] write(3, "1000", 4)         = 4
[pid 22946] close(3)                    = 0
[pid 22946] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22946] write(1, "executing program\n", 18) = 18
[pid 22946] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22946] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22946] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22946] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22946] exit_group(0)               = ?
[pid 22946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22086", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22086", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22086/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22086/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22086/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22086")                        = 0
mkdir("./22087", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22947 attached
, child_tidptr=0x55558cab0650) = 22947
[pid 22947] set_robust_list(0x55558cab0660, 24) = 0
[pid 22947] chdir("./22087")            = 0
[pid 22947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22947] setpgid(0, 0)               = 0
[pid 22947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22947] write(3, "1000", 4)         = 4
[pid 22947] close(3)                    = 0
[pid 22947] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22947] write(1, "executing program\n", 18) = 18
[pid 22947] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22947] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22947] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22947] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22947] exit_group(0)               = ?
[pid 22947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22087", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22087", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22087/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22087/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22087/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22087")                        = 0
mkdir("./22088", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22948 attached
, child_tidptr=0x55558cab0650) = 22948
[pid 22948] set_robust_list(0x55558cab0660, 24) = 0
[pid 22948] chdir("./22088")            = 0
[pid 22948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22948] setpgid(0, 0)               = 0
[pid 22948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22948] write(3, "1000", 4)         = 4
[pid 22948] close(3executing program
)                    = 0
[pid 22948] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22948] write(1, "executing program\n", 18) = 18
[pid 22948] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22948] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22948] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22948] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22948] exit_group(0)               = ?
[pid 22948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22088", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22088", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22088/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22088/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22088/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22088")                        = 0
mkdir("./22089", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22949
./strace-static-x86_64: Process 22949 attached
[pid 22949] set_robust_list(0x55558cab0660, 24) = 0
[pid 22949] chdir("./22089")            = 0
[pid 22949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22949] setpgid(0, 0)               = 0
[pid 22949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22949] write(3, "1000", 4)         = 4
[pid 22949] close(3)                    = 0
[pid 22949] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22949] write(1, "executing program\n", 18executing program
) = 18
[pid 22949] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22949] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22949] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22949] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22949] exit_group(0)               = ?
[pid 22949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22089", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22089", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22089/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22089/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22089/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22089")                        = 0
mkdir("./22090", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22950
./strace-static-x86_64: Process 22950 attached
[pid 22950] set_robust_list(0x55558cab0660, 24) = 0
[pid 22950] chdir("./22090")            = 0
[pid 22950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22950] setpgid(0, 0)               = 0
[pid 22950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22950] write(3, "1000", 4)         = 4
[pid 22950] close(3)                    = 0
[pid 22950] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22950] write(1, "executing program\n", 18) = 18
[pid 22950] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22950] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22950] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22950] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22950] exit_group(0)               = ?
[pid 22950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22950, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22090", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22090", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22090/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22090/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22090/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22090")                        = 0
mkdir("./22091", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22951
./strace-static-x86_64: Process 22951 attached
[pid 22951] set_robust_list(0x55558cab0660, 24) = 0
[pid 22951] chdir("./22091")            = 0
[pid 22951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22951] setpgid(0, 0)               = 0
[pid 22951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22951] write(3, "1000", 4)         = 4
[pid 22951] close(3)                    = 0
[pid 22951] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22951] write(1, "executing program\n", 18) = 18
[pid 22951] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22951] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22951] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22951] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22951] exit_group(0)               = ?
[pid 22951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22091", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22091", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22091/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22091/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22091/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22091")                        = 0
mkdir("./22092", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22952
./strace-static-x86_64: Process 22952 attached
[pid 22952] set_robust_list(0x55558cab0660, 24) = 0
[pid 22952] chdir("./22092")            = 0
[pid 22952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22952] setpgid(0, 0)               = 0
[pid 22952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22952] write(3, "1000", 4)         = 4
[pid 22952] close(3)                    = 0
[pid 22952] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22952] write(1, "executing program\n", 18executing program
) = 18
[pid 22952] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22952] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22952] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22952] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22952] exit_group(0)               = ?
[pid 22952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22092", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22092", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22092/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22092/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22092/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22092")                        = 0
mkdir("./22093", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22953
./strace-static-x86_64: Process 22953 attached
[pid 22953] set_robust_list(0x55558cab0660, 24) = 0
[pid 22953] chdir("./22093")            = 0
[pid 22953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22953] setpgid(0, 0)               = 0
[pid 22953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22953] write(3, "1000", 4)         = 4
[pid 22953] close(3)                    = 0
[pid 22953] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22953] write(1, "executing program\n", 18) = 18
[pid 22953] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22953] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22953] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22953] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22953] exit_group(0)               = ?
[pid 22953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22093", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22093", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22093/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22093/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22093/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22093")                        = 0
mkdir("./22094", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22954 attached
, child_tidptr=0x55558cab0650) = 22954
[pid 22954] set_robust_list(0x55558cab0660, 24) = 0
[pid 22954] chdir("./22094")            = 0
[pid 22954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22954] setpgid(0, 0)               = 0
[pid 22954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22954] write(3, "1000", 4)         = 4
[pid 22954] close(3)                    = 0
[pid 22954] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22954] write(1, "executing program\n", 18executing program
) = 18
[pid 22954] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22954] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22954] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22954] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22954] exit_group(0)               = ?
[pid 22954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22094", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22094", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22094/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22094/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22094/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22094")                        = 0
mkdir("./22095", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22955
./strace-static-x86_64: Process 22955 attached
[pid 22955] set_robust_list(0x55558cab0660, 24) = 0
[pid 22955] chdir("./22095")            = 0
[pid 22955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22955] setpgid(0, 0)               = 0
[pid 22955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22955] write(3, "1000", 4)         = 4
[pid 22955] close(3)                    = 0
[pid 22955] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22955] write(1, "executing program\n", 18) = 18
[pid 22955] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22955] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22955] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22955] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22955] exit_group(0)               = ?
[pid 22955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22095", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22095", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22095/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22095/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22095/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22095")                        = 0
mkdir("./22096", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22956 attached
, child_tidptr=0x55558cab0650) = 22956
[pid 22956] set_robust_list(0x55558cab0660, 24) = 0
[pid 22956] chdir("./22096")            = 0
[pid 22956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22956] setpgid(0, 0)               = 0
[pid 22956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22956] write(3, "1000", 4)         = 4
[pid 22956] close(3)                    = 0
[pid 22956] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22956] write(1, "executing program\n", 18executing program
) = 18
[pid 22956] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22956] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22956] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22956] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22956] exit_group(0)               = ?
[pid 22956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22096", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22096", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22096/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22096/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22096/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22096")                        = 0
mkdir("./22097", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22957
./strace-static-x86_64: Process 22957 attached
[pid 22957] set_robust_list(0x55558cab0660, 24) = 0
[pid 22957] chdir("./22097")            = 0
[pid 22957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22957] setpgid(0, 0)               = 0
[pid 22957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22957] write(3, "1000", 4)         = 4
[pid 22957] close(3)                    = 0
[pid 22957] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22957] write(1, "executing program\n", 18executing program
) = 18
[pid 22957] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22957] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22957] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22957] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22957] exit_group(0)               = ?
[pid 22957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22097", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22097", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22097/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22097/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22097/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22097")                        = 0
mkdir("./22098", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22958 attached
, child_tidptr=0x55558cab0650) = 22958
[pid 22958] set_robust_list(0x55558cab0660, 24) = 0
[pid 22958] chdir("./22098")            = 0
[pid 22958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22958] setpgid(0, 0)               = 0
[pid 22958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22958] write(3, "1000", 4)         = 4
[pid 22958] close(3)                    = 0
[pid 22958] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22958] write(1, "executing program\n", 18executing program
) = 18
[pid 22958] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22958] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22958] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22958] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22958] exit_group(0)               = ?
[pid 22958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22098", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22098", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22098/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22098/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22098/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22098")                        = 0
mkdir("./22099", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22959
./strace-static-x86_64: Process 22959 attached
[pid 22959] set_robust_list(0x55558cab0660, 24) = 0
[pid 22959] chdir("./22099")            = 0
[pid 22959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22959] setpgid(0, 0)               = 0
[pid 22959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22959] write(3, "1000", 4)         = 4
[pid 22959] close(3)                    = 0
[pid 22959] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22959] write(1, "executing program\n", 18) = 18
[pid 22959] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22959] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22959] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22959] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22959] exit_group(0)               = ?
[pid 22959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22959, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22099", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22099", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22099/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22099/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22099/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22099")                        = 0
mkdir("./22100", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22960 attached
, child_tidptr=0x55558cab0650) = 22960
[pid 22960] set_robust_list(0x55558cab0660, 24) = 0
[pid 22960] chdir("./22100")            = 0
[pid 22960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22960] setpgid(0, 0)               = 0
[pid 22960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22960] write(3, "1000", 4)         = 4
[pid 22960] close(3)                    = 0
[pid 22960] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22960] write(1, "executing program\n", 18) = 18
[pid 22960] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22960] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22960] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22960] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22960] exit_group(0)               = ?
[pid 22960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22100/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22100")                        = 0
mkdir("./22101", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22961 attached
, child_tidptr=0x55558cab0650) = 22961
[pid 22961] set_robust_list(0x55558cab0660, 24) = 0
[pid 22961] chdir("./22101")            = 0
[pid 22961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22961] setpgid(0, 0)               = 0
[pid 22961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22961] write(3, "1000", 4)         = 4
[pid 22961] close(3)                    = 0
[pid 22961] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22961] write(1, "executing program\n", 18executing program
) = 18
[pid 22961] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22961] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22961] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22961] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22961] exit_group(0)               = ?
[pid 22961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22101/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22101")                        = 0
mkdir("./22102", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22962
./strace-static-x86_64: Process 22962 attached
[pid 22962] set_robust_list(0x55558cab0660, 24) = 0
[pid 22962] chdir("./22102")            = 0
[pid 22962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22962] setpgid(0, 0)               = 0
[pid 22962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22962] write(3, "1000", 4)         = 4
[pid 22962] close(3)                    = 0
[pid 22962] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22962] write(1, "executing program\n", 18) = 18
[pid 22962] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22962] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22962] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22962] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22962] exit_group(0)               = ?
[pid 22962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22102/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22102")                        = 0
mkdir("./22103", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22963
./strace-static-x86_64: Process 22963 attached
[pid 22963] set_robust_list(0x55558cab0660, 24) = 0
[pid 22963] chdir("./22103")            = 0
[pid 22963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22963] setpgid(0, 0)               = 0
[pid 22963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22963] write(3, "1000", 4)         = 4
[pid 22963] close(3)                    = 0
[pid 22963] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22963] write(1, "executing program\n", 18) = 18
[pid 22963] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22963] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22963] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22963] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22963] exit_group(0)               = ?
[pid 22963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22103", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22103/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22103")                        = 0
mkdir("./22104", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22964
./strace-static-x86_64: Process 22964 attached
[pid 22964] set_robust_list(0x55558cab0660, 24) = 0
[pid 22964] chdir("./22104")            = 0
[pid 22964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22964] setpgid(0, 0)               = 0
[pid 22964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22964] write(3, "1000", 4)         = 4
[pid 22964] close(3)                    = 0
[pid 22964] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22964] write(1, "executing program\n", 18) = 18
[pid 22964] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22964] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22964] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22964] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22964] exit_group(0)               = ?
[pid 22964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22104/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22104")                        = 0
mkdir("./22105", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22965
./strace-static-x86_64: Process 22965 attached
[pid 22965] set_robust_list(0x55558cab0660, 24) = 0
[pid 22965] chdir("./22105")            = 0
[pid 22965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22965] setpgid(0, 0)               = 0
[pid 22965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22965] write(3, "1000", 4)         = 4
[pid 22965] close(3)                    = 0
[pid 22965] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22965] write(1, "executing program\n", 18) = 18
[pid 22965] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22965] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22965] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22965] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22965] exit_group(0)               = ?
[pid 22965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22105/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22105")                        = 0
mkdir("./22106", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22966 attached
, child_tidptr=0x55558cab0650) = 22966
[pid 22966] set_robust_list(0x55558cab0660, 24) = 0
[pid 22966] chdir("./22106")            = 0
[pid 22966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22966] setpgid(0, 0)               = 0
[pid 22966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22966] write(3, "1000", 4)         = 4
[pid 22966] close(3)                    = 0
[pid 22966] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22966] write(1, "executing program\n", 18) = 18
[pid 22966] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22966] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22966] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22966] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22966] exit_group(0)               = ?
[pid 22966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22106/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22106")                        = 0
mkdir("./22107", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22967 attached
, child_tidptr=0x55558cab0650) = 22967
[pid 22967] set_robust_list(0x55558cab0660, 24) = 0
[pid 22967] chdir("./22107")            = 0
[pid 22967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22967] setpgid(0, 0)               = 0
[pid 22967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22967] write(3, "1000", 4)         = 4
[pid 22967] close(3)                    = 0
[pid 22967] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22967] write(1, "executing program\n", 18) = 18
[pid 22967] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22967] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22967] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22967] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22967] exit_group(0)               = ?
[pid 22967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22107", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22107/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22107")                        = 0
mkdir("./22108", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22968
./strace-static-x86_64: Process 22968 attached
[pid 22968] set_robust_list(0x55558cab0660, 24) = 0
[pid 22968] chdir("./22108")            = 0
[pid 22968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22968] setpgid(0, 0)               = 0
[pid 22968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22968] write(3, "1000", 4)         = 4
[pid 22968] close(3)                    = 0
[pid 22968] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22968] write(1, "executing program\n", 18) = 18
[pid 22968] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22968] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22968] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22968] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22968] exit_group(0)               = ?
[pid 22968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22968, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22108/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22108")                        = 0
mkdir("./22109", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22969 attached
, child_tidptr=0x55558cab0650) = 22969
[pid 22969] set_robust_list(0x55558cab0660, 24) = 0
[pid 22969] chdir("./22109")            = 0
[pid 22969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22969] setpgid(0, 0)               = 0
[pid 22969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22969] write(3, "1000", 4)         = 4
[pid 22969] close(3)                    = 0
[pid 22969] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22969] write(1, "executing program\n", 18) = 18
[pid 22969] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22969] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22969] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22969] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22969] exit_group(0)               = ?
[pid 22969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22109/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22109")                        = 0
mkdir("./22110", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22970
./strace-static-x86_64: Process 22970 attached
[pid 22970] set_robust_list(0x55558cab0660, 24) = 0
[pid 22970] chdir("./22110")            = 0
[pid 22970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22970] setpgid(0, 0)               = 0
[pid 22970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22970] write(3, "1000", 4)         = 4
[pid 22970] close(3)                    = 0
[pid 22970] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22970] write(1, "executing program\n", 18executing program
) = 18
[pid 22970] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22970] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22970] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22970] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22970] exit_group(0)               = ?
[pid 22970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22110/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22110")                        = 0
mkdir("./22111", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22971
./strace-static-x86_64: Process 22971 attached
[pid 22971] set_robust_list(0x55558cab0660, 24) = 0
[pid 22971] chdir("./22111")            = 0
[pid 22971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22971] setpgid(0, 0)               = 0
[pid 22971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22971] write(3, "1000", 4)         = 4
[pid 22971] close(3)                    = 0
[pid 22971] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22971] write(1, "executing program\n", 18) = 18
[pid 22971] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22971] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22971] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22971] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22971] exit_group(0)               = ?
[pid 22971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22111/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22111")                        = 0
mkdir("./22112", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22972 attached
, child_tidptr=0x55558cab0650) = 22972
[pid 22972] set_robust_list(0x55558cab0660, 24) = 0
[pid 22972] chdir("./22112")            = 0
[pid 22972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22972] setpgid(0, 0)               = 0
[pid 22972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22972] write(3, "1000", 4)         = 4
[pid 22972] close(3)                    = 0
[pid 22972] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22972] write(1, "executing program\n", 18) = 18
[pid 22972] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22972] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22972] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22972] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22972] exit_group(0)               = ?
[pid 22972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22112/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22112")                        = 0
mkdir("./22113", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22973
./strace-static-x86_64: Process 22973 attached
[pid 22973] set_robust_list(0x55558cab0660, 24) = 0
[pid 22973] chdir("./22113")            = 0
[pid 22973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22973] setpgid(0, 0)               = 0
[pid 22973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22973] write(3, "1000", 4)         = 4
[pid 22973] close(3)                    = 0
[pid 22973] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22973] write(1, "executing program\n", 18) = 18
[pid 22973] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22973] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22973] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22973] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22973] exit_group(0)               = ?
[pid 22973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22113/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22113")                        = 0
mkdir("./22114", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22974
./strace-static-x86_64: Process 22974 attached
[pid 22974] set_robust_list(0x55558cab0660, 24) = 0
[pid 22974] chdir("./22114")            = 0
[pid 22974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22974] setpgid(0, 0)               = 0
[pid 22974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22974] write(3, "1000", 4)         = 4
[pid 22974] close(3)                    = 0
[pid 22974] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22974] write(1, "executing program\n", 18) = 18
[pid 22974] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22974] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22974] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22974] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22974] exit_group(0)               = ?
[pid 22974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22114/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22114")                        = 0
mkdir("./22115", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22975 attached
, child_tidptr=0x55558cab0650) = 22975
[pid 22975] set_robust_list(0x55558cab0660, 24) = 0
[pid 22975] chdir("./22115")            = 0
[pid 22975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22975] setpgid(0, 0)               = 0
[pid 22975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22975] write(3, "1000", 4)         = 4
[pid 22975] close(3)                    = 0
[pid 22975] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22975] write(1, "executing program\n", 18) = 18
[pid 22975] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22975] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22975] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22975] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22975] exit_group(0)               = ?
[pid 22975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22115/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22115")                        = 0
mkdir("./22116", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22976
./strace-static-x86_64: Process 22976 attached
[pid 22976] set_robust_list(0x55558cab0660, 24) = 0
[pid 22976] chdir("./22116")            = 0
[pid 22976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22976] setpgid(0, 0)               = 0
[pid 22976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22976] write(3, "1000", 4)         = 4
[pid 22976] close(3)                    = 0
[pid 22976] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22976] write(1, "executing program\n", 18) = 18
[pid 22976] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22976] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22976] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22976] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22976] exit_group(0)               = ?
[pid 22976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22116/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22116")                        = 0
mkdir("./22117", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22977 attached
, child_tidptr=0x55558cab0650) = 22977
[pid 22977] set_robust_list(0x55558cab0660, 24) = 0
[pid 22977] chdir("./22117")            = 0
[pid 22977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22977] setpgid(0, 0)               = 0
[pid 22977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22977] write(3, "1000", 4)         = 4
[pid 22977] close(3)                    = 0
[pid 22977] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22977] write(1, "executing program\n", 18) = 18
[pid 22977] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22977] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22977] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22977] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22977] exit_group(0)               = ?
[pid 22977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22117/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22117")                        = 0
mkdir("./22118", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22978 attached
, child_tidptr=0x55558cab0650) = 22978
[pid 22978] set_robust_list(0x55558cab0660, 24) = 0
[pid 22978] chdir("./22118")            = 0
[pid 22978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22978] setpgid(0, 0)               = 0
[pid 22978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22978] write(3, "1000", 4)         = 4
[pid 22978] close(3)                    = 0
[pid 22978] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22978] write(1, "executing program\n", 18) = 18
[pid 22978] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22978] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22978] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22978] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22978] exit_group(0)               = ?
[pid 22978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22118/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22118")                        = 0
mkdir("./22119", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22979 attached
, child_tidptr=0x55558cab0650) = 22979
[pid 22979] set_robust_list(0x55558cab0660, 24) = 0
[pid 22979] chdir("./22119")            = 0
[pid 22979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22979] setpgid(0, 0)               = 0
[pid 22979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22979] write(3, "1000", 4)         = 4
[pid 22979] close(3)                    = 0
[pid 22979] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22979] write(1, "executing program\n", 18) = 18
[pid 22979] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22979] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22979] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22979] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22979] exit_group(0)               = ?
[pid 22979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22119/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22119")                        = 0
mkdir("./22120", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22980
./strace-static-x86_64: Process 22980 attached
[pid 22980] set_robust_list(0x55558cab0660, 24) = 0
[pid 22980] chdir("./22120")            = 0
[pid 22980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22980] setpgid(0, 0)               = 0
[pid 22980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22980] write(3, "1000", 4)         = 4
[pid 22980] close(3)                    = 0
[pid 22980] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22980] write(1, "executing program\n", 18) = 18
[pid 22980] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22980] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22980] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22980] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22980] exit_group(0)               = ?
[pid 22980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22120/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22120")                        = 0
mkdir("./22121", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22981
./strace-static-x86_64: Process 22981 attached
[pid 22981] set_robust_list(0x55558cab0660, 24) = 0
[pid 22981] chdir("./22121")            = 0
[pid 22981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22981] setpgid(0, 0)               = 0
[pid 22981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22981] write(3, "1000", 4)         = 4
[pid 22981] close(3)                    = 0
[pid 22981] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22981] write(1, "executing program\n", 18) = 18
[pid 22981] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22981] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22981] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22981] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22981] exit_group(0)               = ?
[pid 22981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22121/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22121")                        = 0
mkdir("./22122", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22982
./strace-static-x86_64: Process 22982 attached
[pid 22982] set_robust_list(0x55558cab0660, 24) = 0
[pid 22982] chdir("./22122")            = 0
[pid 22982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22982] setpgid(0, 0)               = 0
[pid 22982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22982] write(3, "1000", 4)         = 4
[pid 22982] close(3)                    = 0
[pid 22982] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22982] write(1, "executing program\n", 18) = 18
[pid 22982] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22982] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22982] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22982] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22982] exit_group(0)               = ?
[pid 22982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22122/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22122")                        = 0
mkdir("./22123", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22983
./strace-static-x86_64: Process 22983 attached
[pid 22983] set_robust_list(0x55558cab0660, 24) = 0
[pid 22983] chdir("./22123")            = 0
[pid 22983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22983] setpgid(0, 0)               = 0
[pid 22983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22983] write(3, "1000", 4)         = 4
[pid 22983] close(3)                    = 0
[pid 22983] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22983] write(1, "executing program\n", 18) = 18
[pid 22983] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22983] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22983] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22983] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22983] exit_group(0)               = ?
[pid 22983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22123/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22123")                        = 0
mkdir("./22124", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22984 attached
, child_tidptr=0x55558cab0650) = 22984
[pid 22984] set_robust_list(0x55558cab0660, 24) = 0
[pid 22984] chdir("./22124")            = 0
[pid 22984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22984] setpgid(0, 0)               = 0
[pid 22984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22984] write(3, "1000", 4)         = 4
[pid 22984] close(3)                    = 0
[pid 22984] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22984] write(1, "executing program\n", 18) = 18
[pid 22984] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22984] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22984] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22984] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22984] exit_group(0)               = ?
[pid 22984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22984, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22124/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22124")                        = 0
mkdir("./22125", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22985
./strace-static-x86_64: Process 22985 attached
[pid 22985] set_robust_list(0x55558cab0660, 24) = 0
[pid 22985] chdir("./22125")            = 0
[pid 22985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22985] setpgid(0, 0)               = 0
[pid 22985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22985] write(3, "1000", 4)         = 4
[pid 22985] close(3)                    = 0
[pid 22985] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22985] write(1, "executing program\n", 18) = 18
[pid 22985] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22985] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22985] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22985] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22985] exit_group(0)               = ?
[pid 22985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22125/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22125")                        = 0
mkdir("./22126", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22986 attached
, child_tidptr=0x55558cab0650) = 22986
[pid 22986] set_robust_list(0x55558cab0660, 24) = 0
[pid 22986] chdir("./22126")            = 0
[pid 22986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22986] setpgid(0, 0)               = 0
[pid 22986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22986] write(3, "1000", 4)         = 4
[pid 22986] close(3)                    = 0
[pid 22986] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22986] write(1, "executing program\n", 18) = 18
[pid 22986] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22986] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22986] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22986] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22986] exit_group(0)               = ?
[pid 22986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22126/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22126")                        = 0
mkdir("./22127", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22987 attached
, child_tidptr=0x55558cab0650) = 22987
[pid 22987] set_robust_list(0x55558cab0660, 24) = 0
[pid 22987] chdir("./22127")            = 0
[pid 22987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22987] setpgid(0, 0)               = 0
[pid 22987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22987] write(3, "1000", 4)         = 4
[pid 22987] close(3executing program
)                    = 0
[pid 22987] symlink("/dev/binderfs", "./binderfs") = 0
[pid 22987] write(1, "executing program\n", 18) = 18
[pid 22987] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22987] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22987] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22987] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22987] exit_group(0)               = ?
[pid 22987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22127/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22127")                        = 0
mkdir("./22128", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22988
./strace-static-x86_64: Process 22988 attached
[pid 22988] set_robust_list(0x55558cab0660, 24) = 0
[pid 22988] chdir("./22128")            = 0
[pid 22988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22988] setpgid(0, 0)               = 0
[pid 22988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22988] write(3, "1000", 4)         = 4
[pid 22988] close(3)                    = 0
[pid 22988] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22988] write(1, "executing program\n", 18) = 18
[pid 22988] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22988] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22988] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22988] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22988] exit_group(0)               = ?
[pid 22988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22128/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22128")                        = 0
mkdir("./22129", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22989 attached
, child_tidptr=0x55558cab0650) = 22989
[pid 22989] set_robust_list(0x55558cab0660, 24) = 0
[pid 22989] chdir("./22129")            = 0
[pid 22989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22989] setpgid(0, 0)               = 0
[pid 22989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22989] write(3, "1000", 4)         = 4
[pid 22989] close(3)                    = 0
[pid 22989] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22989] write(1, "executing program\n", 18) = 18
[pid 22989] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22989] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22989] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22989] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22989] exit_group(0)               = ?
[pid 22989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22129/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22129")                        = 0
mkdir("./22130", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22990
./strace-static-x86_64: Process 22990 attached
[pid 22990] set_robust_list(0x55558cab0660, 24) = 0
[pid 22990] chdir("./22130")            = 0
[pid 22990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22990] setpgid(0, 0)               = 0
[pid 22990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22990] write(3, "1000", 4)         = 4
[pid 22990] close(3)                    = 0
[pid 22990] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22990] write(1, "executing program\n", 18) = 18
[pid 22990] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22990] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22990] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22990] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22990] exit_group(0)               = ?
[pid 22990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22130/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22130")                        = 0
mkdir("./22131", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22991 attached
, child_tidptr=0x55558cab0650) = 22991
[pid 22991] set_robust_list(0x55558cab0660, 24) = 0
[pid 22991] chdir("./22131")            = 0
[pid 22991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22991] setpgid(0, 0)               = 0
[pid 22991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22991] write(3, "1000", 4)         = 4
[pid 22991] close(3)                    = 0
[pid 22991] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22991] write(1, "executing program\n", 18) = 18
[pid 22991] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22991] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22991] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22991] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22991] exit_group(0)               = ?
[pid 22991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22131/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22131")                        = 0
mkdir("./22132", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22992 attached
, child_tidptr=0x55558cab0650) = 22992
[pid 22992] set_robust_list(0x55558cab0660, 24) = 0
[pid 22992] chdir("./22132")            = 0
[pid 22992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22992] setpgid(0, 0)               = 0
[pid 22992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22992] write(3, "1000", 4)         = 4
[pid 22992] close(3)                    = 0
[pid 22992] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22992] write(1, "executing program\n", 18) = 18
[pid 22992] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22992] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22992] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22992] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22992] exit_group(0)               = ?
[pid 22992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22132", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22132/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22132")                        = 0
mkdir("./22133", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22993 attached
, child_tidptr=0x55558cab0650) = 22993
[pid 22993] set_robust_list(0x55558cab0660, 24) = 0
[pid 22993] chdir("./22133")            = 0
[pid 22993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22993] setpgid(0, 0)               = 0
[pid 22993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22993] write(3, "1000", 4)         = 4
[pid 22993] close(3)                    = 0
[pid 22993] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22993] write(1, "executing program\n", 18) = 18
[pid 22993] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22993] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22993] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22993] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22993] exit_group(0)               = ?
[pid 22993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22133/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22133")                        = 0
mkdir("./22134", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 22994 attached
, child_tidptr=0x55558cab0650) = 22994
[pid 22994] set_robust_list(0x55558cab0660, 24) = 0
[pid 22994] chdir("./22134")            = 0
[pid 22994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22994] setpgid(0, 0)               = 0
[pid 22994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22994] write(3, "1000", 4)         = 4
[pid 22994] close(3)                    = 0
[pid 22994] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 22994] write(1, "executing program\n", 18) = 18
[pid 22994] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22994] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22994] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22994] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22994] exit_group(0)               = ?
[pid 22994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22134/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22134")                        = 0
mkdir("./22135", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22995
./strace-static-x86_64: Process 22995 attached
[pid 22995] set_robust_list(0x55558cab0660, 24) = 0
[pid 22995] chdir("./22135")            = 0
[pid 22995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22995] setpgid(0, 0)               = 0
[pid 22995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22995] write(3, "1000", 4)         = 4
[pid 22995] close(3)                    = 0
[pid 22995] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22995] write(1, "executing program\n", 18) = 18
[pid 22995] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22995] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22995] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22995] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22995] exit_group(0)               = ?
[pid 22995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22135/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22135")                        = 0
mkdir("./22136", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22996
./strace-static-x86_64: Process 22996 attached
[pid 22996] set_robust_list(0x55558cab0660, 24) = 0
[pid 22996] chdir("./22136")            = 0
[pid 22996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22996] setpgid(0, 0)               = 0
[pid 22996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22996] write(3, "1000", 4)         = 4
[pid 22996] close(3)                    = 0
[pid 22996] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22996] write(1, "executing program\n", 18) = 18
[pid 22996] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22996] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22996] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22996] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22996] exit_group(0)               = ?
[pid 22996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22136/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22136")                        = 0
mkdir("./22137", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22998
./strace-static-x86_64: Process 22998 attached
[pid 22998] set_robust_list(0x55558cab0660, 24) = 0
[pid 22998] chdir("./22137")            = 0
[pid 22998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22998] setpgid(0, 0)               = 0
[pid 22998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22998] write(3, "1000", 4)         = 4
[pid 22998] close(3)                    = 0
[pid 22998] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22998] write(1, "executing program\n", 18) = 18
[pid 22998] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22998] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22998] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22998] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22998] exit_group(0)               = ?
[pid 22998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22137/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22137")                        = 0
mkdir("./22138", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 22999
./strace-static-x86_64: Process 22999 attached
[pid 22999] set_robust_list(0x55558cab0660, 24) = 0
[pid 22999] chdir("./22138")            = 0
[pid 22999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 22999] setpgid(0, 0)               = 0
[pid 22999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 22999] write(3, "1000", 4)         = 4
[pid 22999] close(3)                    = 0
[pid 22999] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 22999] write(1, "executing program\n", 18) = 18
[pid 22999] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 22999] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 22999] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 22999] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 22999] exit_group(0)               = ?
[pid 22999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22138/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22138")                        = 0
mkdir("./22139", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23000 attached
, child_tidptr=0x55558cab0650) = 23000
[pid 23000] set_robust_list(0x55558cab0660, 24) = 0
[pid 23000] chdir("./22139")            = 0
[pid 23000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23000] setpgid(0, 0)               = 0
[pid 23000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23000] write(3, "1000", 4)         = 4
[pid 23000] close(3)                    = 0
[pid 23000] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23000] write(1, "executing program\n", 18) = 18
[pid 23000] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23000] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23000] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23000] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23000] exit_group(0)               = ?
[pid 23000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22139", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22139/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22139")                        = 0
mkdir("./22140", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23001 attached
, child_tidptr=0x55558cab0650) = 23001
[pid 23001] set_robust_list(0x55558cab0660, 24) = 0
[pid 23001] chdir("./22140")            = 0
[pid 23001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23001] setpgid(0, 0)               = 0
[pid 23001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23001] write(3, "1000", 4)         = 4
[pid 23001] close(3)                    = 0
[pid 23001] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23001] write(1, "executing program\n", 18) = 18
[pid 23001] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23001] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23001] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23001] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23001] exit_group(0)               = ?
[pid 23001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22140", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22140/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22140")                        = 0
mkdir("./22141", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23002 attached
, child_tidptr=0x55558cab0650) = 23002
[pid 23002] set_robust_list(0x55558cab0660, 24) = 0
[pid 23002] chdir("./22141")            = 0
[pid 23002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23002] setpgid(0, 0)               = 0
[pid 23002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23002] write(3, "1000", 4)         = 4
[pid 23002] close(3)                    = 0
[pid 23002] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23002] write(1, "executing program\n", 18) = 18
[pid 23002] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23002] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23002] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23002] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23002] exit_group(0)               = ?
[pid 23002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22141/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22141")                        = 0
mkdir("./22142", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23003 attached
, child_tidptr=0x55558cab0650) = 23003
[pid 23003] set_robust_list(0x55558cab0660, 24) = 0
[pid 23003] chdir("./22142")            = 0
[pid 23003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23003] setpgid(0, 0)               = 0
[pid 23003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23003] write(3, "1000", 4)         = 4
[pid 23003] close(3)                    = 0
[pid 23003] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23003] write(1, "executing program\n", 18) = 18
[pid 23003] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23003] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23003] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23003] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23003] exit_group(0)               = ?
[pid 23003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22142/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22142")                        = 0
mkdir("./22143", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23004
./strace-static-x86_64: Process 23004 attached
[pid 23004] set_robust_list(0x55558cab0660, 24) = 0
[pid 23004] chdir("./22143")            = 0
[pid 23004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23004] setpgid(0, 0)               = 0
[pid 23004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23004] write(3, "1000", 4)         = 4
[pid 23004] close(3)                    = 0
[pid 23004] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23004] write(1, "executing program\n", 18) = 18
[pid 23004] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23004] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23004] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23004] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23004] exit_group(0)               = ?
[pid 23004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22143", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22143/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22143")                        = 0
mkdir("./22144", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23005 attached
, child_tidptr=0x55558cab0650) = 23005
[pid 23005] set_robust_list(0x55558cab0660, 24) = 0
[pid 23005] chdir("./22144")            = 0
[pid 23005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23005] setpgid(0, 0)               = 0
[pid 23005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23005] write(3, "1000", 4)         = 4
[pid 23005] close(3)                    = 0
[pid 23005] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23005] write(1, "executing program\n", 18executing program
) = 18
[pid 23005] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23005] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23005] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23005] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23005] exit_group(0)               = ?
[pid 23005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22144/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22144")                        = 0
mkdir("./22145", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23006
./strace-static-x86_64: Process 23006 attached
[pid 23006] set_robust_list(0x55558cab0660, 24) = 0
[pid 23006] chdir("./22145")            = 0
[pid 23006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23006] setpgid(0, 0)               = 0
[pid 23006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23006] write(3, "1000", 4)         = 4
[pid 23006] close(3)                    = 0
[pid 23006] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23006] write(1, "executing program\n", 18executing program
) = 18
[pid 23006] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23006] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23006] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23006] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23006] exit_group(0)               = ?
[pid 23006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22145/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22145")                        = 0
mkdir("./22146", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23007 attached
, child_tidptr=0x55558cab0650) = 23007
[pid 23007] set_robust_list(0x55558cab0660, 24) = 0
[pid 23007] chdir("./22146")            = 0
[pid 23007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23007] setpgid(0, 0)               = 0
[pid 23007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23007] write(3, "1000", 4)         = 4
[pid 23007] close(3)                    = 0
[pid 23007] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23007] write(1, "executing program\n", 18executing program
) = 18
[pid 23007] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23007] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23007] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23007] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23007] exit_group(0)               = ?
[pid 23007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22146/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22146")                        = 0
mkdir("./22147", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23008
./strace-static-x86_64: Process 23008 attached
[pid 23008] set_robust_list(0x55558cab0660, 24) = 0
[pid 23008] chdir("./22147")            = 0
[pid 23008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23008] setpgid(0, 0)               = 0
[pid 23008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23008] write(3, "1000", 4)         = 4
[pid 23008] close(3)                    = 0
[pid 23008] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23008] write(1, "executing program\n", 18) = 18
[pid 23008] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23008] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23008] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23008] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23008] exit_group(0)               = ?
[pid 23008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22147", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22147/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22147")                        = 0
mkdir("./22148", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23009 attached
, child_tidptr=0x55558cab0650) = 23009
[pid 23009] set_robust_list(0x55558cab0660, 24) = 0
[pid 23009] chdir("./22148")            = 0
[pid 23009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23009] setpgid(0, 0)               = 0
[pid 23009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23009] write(3, "1000", 4)         = 4
[pid 23009] close(3)                    = 0
[pid 23009] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23009] write(1, "executing program\n", 18executing program
) = 18
[pid 23009] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23009] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23009] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23009] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23009] exit_group(0)               = ?
[pid 23009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22148", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22148/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22148")                        = 0
mkdir("./22149", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23010
./strace-static-x86_64: Process 23010 attached
[pid 23010] set_robust_list(0x55558cab0660, 24) = 0
[pid 23010] chdir("./22149")            = 0
[pid 23010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23010] setpgid(0, 0)               = 0
[pid 23010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23010] write(3, "1000", 4)         = 4
[pid 23010] close(3)                    = 0
[pid 23010] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23010] write(1, "executing program\n", 18) = 18
[pid 23010] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23010] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23010] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23010] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23010] exit_group(0)               = ?
[pid 23010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22149", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22149/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22149")                        = 0
mkdir("./22150", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23011
./strace-static-x86_64: Process 23011 attached
[pid 23011] set_robust_list(0x55558cab0660, 24) = 0
[pid 23011] chdir("./22150")            = 0
[pid 23011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23011] setpgid(0, 0)               = 0
[pid 23011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23011] write(3, "1000", 4)         = 4
[pid 23011] close(3)                    = 0
[pid 23011] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23011] write(1, "executing program\n", 18executing program
) = 18
[pid 23011] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23011] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23011] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23011] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23011] exit_group(0)               = ?
[pid 23011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22150", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22150/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22150")                        = 0
mkdir("./22151", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23012 attached
, child_tidptr=0x55558cab0650) = 23012
[pid 23012] set_robust_list(0x55558cab0660, 24) = 0
[pid 23012] chdir("./22151")            = 0
[pid 23012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23012] setpgid(0, 0)               = 0
[pid 23012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23012] write(3, "1000", 4)         = 4
[pid 23012] close(3)                    = 0
[pid 23012] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23012] write(1, "executing program\n", 18executing program
) = 18
[pid 23012] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23012] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23012] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23012] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23012] exit_group(0)               = ?
[pid 23012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22151", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22151/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22151")                        = 0
mkdir("./22152", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23013 attached
, child_tidptr=0x55558cab0650) = 23013
[pid 23013] set_robust_list(0x55558cab0660, 24) = 0
[pid 23013] chdir("./22152")            = 0
[pid 23013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23013] setpgid(0, 0)               = 0
[pid 23013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23013] write(3, "1000", 4)         = 4
[pid 23013] close(3)                    = 0
[pid 23013] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23013] write(1, "executing program\n", 18) = 18
[pid 23013] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23013] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23013] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23013] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23013] exit_group(0)               = ?
[pid 23013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22152/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22152")                        = 0
mkdir("./22153", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23014 attached
, child_tidptr=0x55558cab0650) = 23014
[pid 23014] set_robust_list(0x55558cab0660, 24) = 0
[pid 23014] chdir("./22153")            = 0
[pid 23014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23014] setpgid(0, 0)               = 0
[pid 23014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23014] write(3, "1000", 4)         = 4
[pid 23014] close(3)                    = 0
[pid 23014] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23014] write(1, "executing program\n", 18) = 18
[pid 23014] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23014] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23014] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23014] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23014] exit_group(0)               = ?
[pid 23014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22153", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22153/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22153")                        = 0
mkdir("./22154", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23015 attached
, child_tidptr=0x55558cab0650) = 23015
[pid 23015] set_robust_list(0x55558cab0660, 24) = 0
[pid 23015] chdir("./22154")            = 0
[pid 23015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23015] setpgid(0, 0)               = 0
[pid 23015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23015] write(3, "1000", 4)         = 4
[pid 23015] close(3)                    = 0
[pid 23015] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23015] write(1, "executing program\n", 18executing program
) = 18
[pid 23015] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23015] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23015] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23015] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23015] exit_group(0)               = ?
[pid 23015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22154/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22154")                        = 0
mkdir("./22155", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23016
./strace-static-x86_64: Process 23016 attached
[pid 23016] set_robust_list(0x55558cab0660, 24) = 0
[pid 23016] chdir("./22155")            = 0
[pid 23016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23016] setpgid(0, 0)               = 0
[pid 23016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23016] write(3, "1000", 4)         = 4
[pid 23016] close(3)                    = 0
[pid 23016] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23016] write(1, "executing program\n", 18executing program
) = 18
[pid 23016] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23016] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23016] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23016] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23016] exit_group(0)               = ?
[pid 23016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22155", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22155/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22155")                        = 0
mkdir("./22156", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23017 attached
, child_tidptr=0x55558cab0650) = 23017
[pid 23017] set_robust_list(0x55558cab0660, 24) = 0
[pid 23017] chdir("./22156")            = 0
[pid 23017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23017] setpgid(0, 0)               = 0
[pid 23017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23017] write(3, "1000", 4)         = 4
[pid 23017] close(3)                    = 0
[pid 23017] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23017] write(1, "executing program\n", 18) = 18
[pid 23017] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23017] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23017] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23017] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23017] exit_group(0)               = ?
[pid 23017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22156", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22156/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22156")                        = 0
mkdir("./22157", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23018
./strace-static-x86_64: Process 23018 attached
[pid 23018] set_robust_list(0x55558cab0660, 24) = 0
[pid 23018] chdir("./22157")            = 0
[pid 23018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23018] setpgid(0, 0)               = 0
[pid 23018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23018] write(3, "1000", 4)         = 4
[pid 23018] close(3)                    = 0
[pid 23018] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23018] write(1, "executing program\n", 18executing program
) = 18
[pid 23018] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23018] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23018] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23018] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23018] exit_group(0)               = ?
[pid 23018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22157", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22157/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22157")                        = 0
mkdir("./22158", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23019
./strace-static-x86_64: Process 23019 attached
[pid 23019] set_robust_list(0x55558cab0660, 24) = 0
[pid 23019] chdir("./22158")            = 0
[pid 23019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23019] setpgid(0, 0)               = 0
[pid 23019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23019] write(3, "1000", 4)         = 4
[pid 23019] close(3)                    = 0
[pid 23019] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23019] write(1, "executing program\n", 18executing program
) = 18
[pid 23019] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23019] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23019] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23019] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23019] exit_group(0)               = ?
[pid 23019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22158", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22158/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22158")                        = 0
mkdir("./22159", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23020 attached
, child_tidptr=0x55558cab0650) = 23020
[pid 23020] set_robust_list(0x55558cab0660, 24) = 0
[pid 23020] chdir("./22159")            = 0
[pid 23020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23020] setpgid(0, 0)               = 0
[pid 23020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23020] write(3, "1000", 4)         = 4
[pid 23020] close(3)                    = 0
[pid 23020] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23020] write(1, "executing program\n", 18executing program
) = 18
[pid 23020] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23020] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23020] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23020] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23020] exit_group(0)               = ?
[pid 23020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22159/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22159")                        = 0
mkdir("./22160", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23021
./strace-static-x86_64: Process 23021 attached
[pid 23021] set_robust_list(0x55558cab0660, 24) = 0
[pid 23021] chdir("./22160")            = 0
[pid 23021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23021] setpgid(0, 0)               = 0
[pid 23021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23021] write(3, "1000", 4)         = 4
[pid 23021] close(3)                    = 0
[pid 23021] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23021] write(1, "executing program\n", 18executing program
) = 18
[pid 23021] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23021] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23021] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23021] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23021] exit_group(0)               = ?
[pid 23021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22160/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22160")                        = 0
mkdir("./22161", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23022 attached
, child_tidptr=0x55558cab0650) = 23022
[pid 23022] set_robust_list(0x55558cab0660, 24) = 0
[pid 23022] chdir("./22161")            = 0
[pid 23022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23022] setpgid(0, 0)               = 0
[pid 23022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23022] write(3, "1000", 4)         = 4
[pid 23022] close(3)                    = 0
[pid 23022] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23022] write(1, "executing program\n", 18executing program
) = 18
[pid 23022] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23022] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23022] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23022] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23022] exit_group(0)               = ?
[pid 23022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22161/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22161")                        = 0
mkdir("./22162", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23023 attached
, child_tidptr=0x55558cab0650) = 23023
[pid 23023] set_robust_list(0x55558cab0660, 24) = 0
[pid 23023] chdir("./22162")            = 0
[pid 23023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23023] setpgid(0, 0)               = 0
[pid 23023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23023] write(3, "1000", 4)         = 4
[pid 23023] close(3)                    = 0
[pid 23023] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23023] write(1, "executing program\n", 18executing program
) = 18
[pid 23023] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23023] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23023] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23023] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23023] exit_group(0)               = ?
[pid 23023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22162", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22162/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22162")                        = 0
mkdir("./22163", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23024 attached
, child_tidptr=0x55558cab0650) = 23024
[pid 23024] set_robust_list(0x55558cab0660, 24) = 0
[pid 23024] chdir("./22163")            = 0
[pid 23024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23024] setpgid(0, 0)               = 0
[pid 23024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23024] write(3, "1000", 4)         = 4
[pid 23024] close(3)                    = 0
[pid 23024] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23024] write(1, "executing program\n", 18) = 18
[pid 23024] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23024] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23024] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23024] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23024] exit_group(0)               = ?
[pid 23024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22163", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22163/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22163")                        = 0
mkdir("./22164", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23025 attached
, child_tidptr=0x55558cab0650) = 23025
[pid 23025] set_robust_list(0x55558cab0660, 24) = 0
[pid 23025] chdir("./22164")            = 0
[pid 23025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23025] setpgid(0, 0)               = 0
[pid 23025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23025] write(3, "1000", 4)         = 4
[pid 23025] close(3)                    = 0
[pid 23025] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23025] write(1, "executing program\n", 18) = 18
[pid 23025] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23025] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23025] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23025] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23025] exit_group(0)               = ?
[pid 23025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22164/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22164")                        = 0
mkdir("./22165", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23026
./strace-static-x86_64: Process 23026 attached
[pid 23026] set_robust_list(0x55558cab0660, 24) = 0
[pid 23026] chdir("./22165")            = 0
[pid 23026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23026] setpgid(0, 0)               = 0
[pid 23026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23026] write(3, "1000", 4)         = 4
[pid 23026] close(3)                    = 0
[pid 23026] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23026] write(1, "executing program\n", 18) = 18
[pid 23026] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23026] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23026] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23026] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23026] exit_group(0)               = ?
[pid 23026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22165", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22165/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22165")                        = 0
mkdir("./22166", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23027 attached
, child_tidptr=0x55558cab0650) = 23027
[pid 23027] set_robust_list(0x55558cab0660, 24) = 0
[pid 23027] chdir("./22166")            = 0
[pid 23027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23027] setpgid(0, 0)               = 0
[pid 23027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23027] write(3, "1000", 4)         = 4
[pid 23027] close(3)                    = 0
[pid 23027] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23027] write(1, "executing program\n", 18) = 18
[pid 23027] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23027] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23027] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23027] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23027] exit_group(0)               = ?
[pid 23027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22166", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22166/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22166")                        = 0
mkdir("./22167", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23028 attached
, child_tidptr=0x55558cab0650) = 23028
[pid 23028] set_robust_list(0x55558cab0660, 24) = 0
[pid 23028] chdir("./22167")            = 0
[pid 23028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23028] setpgid(0, 0)               = 0
[pid 23028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23028] write(3, "1000", 4)         = 4
[pid 23028] close(3)                    = 0
[pid 23028] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23028] write(1, "executing program\n", 18executing program
) = 18
[pid 23028] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23028] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23028] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23028] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23028] exit_group(0)               = ?
[pid 23028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23028, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22167", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22167/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22167")                        = 0
mkdir("./22168", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23029
./strace-static-x86_64: Process 23029 attached
[pid 23029] set_robust_list(0x55558cab0660, 24) = 0
[pid 23029] chdir("./22168")            = 0
[pid 23029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23029] setpgid(0, 0)               = 0
[pid 23029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23029] write(3, "1000", 4)         = 4
[pid 23029] close(3)                    = 0
[pid 23029] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23029] write(1, "executing program\n", 18) = 18
[pid 23029] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23029] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23029] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23029] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23029] exit_group(0)               = ?
[pid 23029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22168", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22168/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22168")                        = 0
mkdir("./22169", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23030
./strace-static-x86_64: Process 23030 attached
[pid 23030] set_robust_list(0x55558cab0660, 24) = 0
[pid 23030] chdir("./22169")            = 0
[pid 23030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23030] setpgid(0, 0)               = 0
[pid 23030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23030] write(3, "1000", 4)         = 4
[pid 23030] close(3)                    = 0
[pid 23030] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23030] write(1, "executing program\n", 18) = 18
[pid 23030] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23030] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23030] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23030] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23030] exit_group(0)               = ?
[pid 23030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22169/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22169")                        = 0
mkdir("./22170", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23031 attached
, child_tidptr=0x55558cab0650) = 23031
[pid 23031] set_robust_list(0x55558cab0660, 24) = 0
[pid 23031] chdir("./22170")            = 0
[pid 23031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23031] setpgid(0, 0)               = 0
[pid 23031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23031] write(3, "1000", 4)         = 4
[pid 23031] close(3)                    = 0
[pid 23031] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23031] write(1, "executing program\n", 18) = 18
[pid 23031] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23031] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23031] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23031] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23031] exit_group(0)               = ?
[pid 23031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22170", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22170/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22170")                        = 0
mkdir("./22171", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23032 attached
, child_tidptr=0x55558cab0650) = 23032
[pid 23032] set_robust_list(0x55558cab0660, 24) = 0
[pid 23032] chdir("./22171")            = 0
[pid 23032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23032] setpgid(0, 0)               = 0
[pid 23032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23032] write(3, "1000", 4)         = 4
[pid 23032] close(3)                    = 0
[pid 23032] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23032] write(1, "executing program\n", 18) = 18
[pid 23032] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23032] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23032] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23032] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23032] exit_group(0)               = ?
[pid 23032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22171/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22171")                        = 0
mkdir("./22172", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23033 attached
, child_tidptr=0x55558cab0650) = 23033
[pid 23033] set_robust_list(0x55558cab0660, 24) = 0
[pid 23033] chdir("./22172")            = 0
[pid 23033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23033] setpgid(0, 0)               = 0
[pid 23033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23033] write(3, "1000", 4)         = 4
[pid 23033] close(3)                    = 0
[pid 23033] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23033] write(1, "executing program\n", 18) = 18
[pid 23033] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23033] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23033] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23033] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23033] exit_group(0)               = ?
[pid 23033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22172", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22172/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22172")                        = 0
mkdir("./22173", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23034 attached
, child_tidptr=0x55558cab0650) = 23034
[pid 23034] set_robust_list(0x55558cab0660, 24) = 0
[pid 23034] chdir("./22173")            = 0
[pid 23034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23034] setpgid(0, 0)               = 0
[pid 23034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23034] write(3, "1000", 4)         = 4
[pid 23034] close(3)                    = 0
[pid 23034] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23034] write(1, "executing program\n", 18) = 18
[pid 23034] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23034] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23034] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23034] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23034] exit_group(0)               = ?
[pid 23034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22173", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22173/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22173")                        = 0
mkdir("./22174", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23035
./strace-static-x86_64: Process 23035 attached
[pid 23035] set_robust_list(0x55558cab0660, 24) = 0
[pid 23035] chdir("./22174")            = 0
[pid 23035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23035] setpgid(0, 0)               = 0
[pid 23035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23035] write(3, "1000", 4)         = 4
[pid 23035] close(3)                    = 0
[pid 23035] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23035] write(1, "executing program\n", 18) = 18
[pid 23035] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23035] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23035] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23035] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23035] exit_group(0)               = ?
[pid 23035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22174", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22174/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22174")                        = 0
mkdir("./22175", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23036 attached
, child_tidptr=0x55558cab0650) = 23036
[pid 23036] set_robust_list(0x55558cab0660, 24) = 0
[pid 23036] chdir("./22175")            = 0
[pid 23036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23036] setpgid(0, 0)               = 0
[pid 23036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 23036] write(3, "1000", 4)         = 4
[pid 23036] close(3)                    = 0
[pid 23036] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23036] write(1, "executing program\n", 18) = 18
[pid 23036] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23036] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23036] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23036] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23036] exit_group(0)               = ?
[pid 23036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22175", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22175/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22175")                        = 0
mkdir("./22176", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23037
./strace-static-x86_64: Process 23037 attached
[pid 23037] set_robust_list(0x55558cab0660, 24) = 0
[pid 23037] chdir("./22176")            = 0
[pid 23037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23037] setpgid(0, 0)               = 0
[pid 23037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23037] write(3, "1000", 4)         = 4
[pid 23037] close(3)                    = 0
[pid 23037] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23037] write(1, "executing program\n", 18) = 18
[pid 23037] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23037] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23037] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23037] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23037] exit_group(0)               = ?
[pid 23037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22176", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22176/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22176")                        = 0
mkdir("./22177", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23038 attached
, child_tidptr=0x55558cab0650) = 23038
[pid 23038] set_robust_list(0x55558cab0660, 24) = 0
[pid 23038] chdir("./22177")            = 0
[pid 23038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23038] setpgid(0, 0)               = 0
[pid 23038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23038] write(3, "1000", 4)         = 4
[pid 23038] close(3)                    = 0
[pid 23038] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23038] write(1, "executing program\n", 18) = 18
[pid 23038] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23038] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23038] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23038] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23038] exit_group(0)               = ?
[pid 23038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22177", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22177/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22177")                        = 0
mkdir("./22178", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23039
./strace-static-x86_64: Process 23039 attached
[pid 23039] set_robust_list(0x55558cab0660, 24) = 0
[pid 23039] chdir("./22178")            = 0
[pid 23039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23039] setpgid(0, 0)               = 0
[pid 23039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23039] write(3, "1000", 4)         = 4
[pid 23039] close(3)                    = 0
[pid 23039] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23039] write(1, "executing program\n", 18) = 18
[pid 23039] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23039] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23039] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23039] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23039] exit_group(0)               = ?
[pid 23039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22178", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22178/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22178")                        = 0
mkdir("./22179", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23040
./strace-static-x86_64: Process 23040 attached
[pid 23040] set_robust_list(0x55558cab0660, 24) = 0
[pid 23040] chdir("./22179")            = 0
[pid 23040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23040] setpgid(0, 0)               = 0
[pid 23040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23040] write(3, "1000", 4)         = 4
[pid 23040] close(3)                    = 0
[pid 23040] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23040] write(1, "executing program\n", 18executing program
) = 18
[pid 23040] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23040] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23040] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23040] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23040] exit_group(0)               = ?
[pid 23040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22179", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22179/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22179")                        = 0
mkdir("./22180", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23041 attached
, child_tidptr=0x55558cab0650) = 23041
[pid 23041] set_robust_list(0x55558cab0660, 24) = 0
[pid 23041] chdir("./22180")            = 0
[pid 23041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23041] setpgid(0, 0)               = 0
[pid 23041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23041] write(3, "1000", 4)         = 4
[pid 23041] close(3)                    = 0
[pid 23041] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23041] write(1, "executing program\n", 18) = 18
[pid 23041] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23041] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23041] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23041] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23041] exit_group(0)               = ?
[pid 23041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22180", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22180/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22180")                        = 0
mkdir("./22181", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23042
./strace-static-x86_64: Process 23042 attached
[pid 23042] set_robust_list(0x55558cab0660, 24) = 0
[pid 23042] chdir("./22181")            = 0
[pid 23042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23042] setpgid(0, 0)               = 0
[pid 23042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23042] write(3, "1000", 4)         = 4
[pid 23042] close(3)                    = 0
[pid 23042] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23042] write(1, "executing program\n", 18executing program
) = 18
[pid 23042] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23042] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23042] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23042] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23042] exit_group(0)               = ?
[pid 23042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22181", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22181/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22181")                        = 0
mkdir("./22182", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23043 attached
, child_tidptr=0x55558cab0650) = 23043
[pid 23043] set_robust_list(0x55558cab0660, 24) = 0
[pid 23043] chdir("./22182")            = 0
[pid 23043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23043] setpgid(0, 0)               = 0
[pid 23043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23043] write(3, "1000", 4)         = 4
[pid 23043] close(3)                    = 0
[pid 23043] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23043] write(1, "executing program\n", 18) = 18
[pid 23043] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23043] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23043] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23043] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23043] exit_group(0)               = ?
[pid 23043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22182", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22182/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22182")                        = 0
mkdir("./22183", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23044 attached
, child_tidptr=0x55558cab0650) = 23044
[pid 23044] set_robust_list(0x55558cab0660, 24) = 0
[pid 23044] chdir("./22183")            = 0
[pid 23044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23044] setpgid(0, 0)               = 0
[pid 23044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23044] write(3, "1000", 4)         = 4
[pid 23044] close(3)                    = 0
[pid 23044] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23044] write(1, "executing program\n", 18) = 18
[pid 23044] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23044] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23044] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23044] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23044] exit_group(0)               = ?
[pid 23044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22183", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22183/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22183")                        = 0
mkdir("./22184", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23045 attached
, child_tidptr=0x55558cab0650) = 23045
[pid 23045] set_robust_list(0x55558cab0660, 24) = 0
[pid 23045] chdir("./22184")            = 0
[pid 23045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23045] setpgid(0, 0)               = 0
[pid 23045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23045] write(3, "1000", 4)         = 4
[pid 23045] close(3)                    = 0
[pid 23045] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23045] write(1, "executing program\n", 18executing program
) = 18
[pid 23045] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23045] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23045] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23045] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23045] exit_group(0)               = ?
[pid 23045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22184", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22184/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22184")                        = 0
mkdir("./22185", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23046 attached
, child_tidptr=0x55558cab0650) = 23046
[pid 23046] set_robust_list(0x55558cab0660, 24) = 0
[pid 23046] chdir("./22185")            = 0
[pid 23046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23046] setpgid(0, 0)               = 0
[pid 23046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23046] write(3, "1000", 4)         = 4
[pid 23046] close(3)                    = 0
[pid 23046] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23046] write(1, "executing program\n", 18executing program
) = 18
[pid 23046] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23046] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23046] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23046] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23046] exit_group(0)               = ?
[pid 23046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22185", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22185/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22185")                        = 0
mkdir("./22186", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23047 attached
, child_tidptr=0x55558cab0650) = 23047
[pid 23047] set_robust_list(0x55558cab0660, 24) = 0
[pid 23047] chdir("./22186")            = 0
[pid 23047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23047] setpgid(0, 0)               = 0
[pid 23047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23047] write(3, "1000", 4)         = 4
[pid 23047] close(3)                    = 0
[pid 23047] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23047] write(1, "executing program\n", 18) = 18
[pid 23047] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23047] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23047] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23047] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23047] exit_group(0)               = ?
[pid 23047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22186", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22186/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22186")                        = 0
mkdir("./22187", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23048 attached
, child_tidptr=0x55558cab0650) = 23048
[pid 23048] set_robust_list(0x55558cab0660, 24) = 0
[pid 23048] chdir("./22187")            = 0
[pid 23048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23048] setpgid(0, 0)               = 0
[pid 23048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23048] write(3, "1000", 4)         = 4
[pid 23048] close(3)                    = 0
[pid 23048] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23048] write(1, "executing program\n", 18) = 18
[pid 23048] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23048] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23048] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23048] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23048] exit_group(0)               = ?
[pid 23048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22187", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22187/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22187")                        = 0
mkdir("./22188", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23049 attached
, child_tidptr=0x55558cab0650) = 23049
[pid 23049] set_robust_list(0x55558cab0660, 24) = 0
[pid 23049] chdir("./22188")            = 0
[pid 23049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23049] setpgid(0, 0)               = 0
[pid 23049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23049] write(3, "1000", 4)         = 4
[pid 23049] close(3)                    = 0
[pid 23049] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23049] write(1, "executing program\n", 18executing program
) = 18
[pid 23049] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23049] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23049] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23049] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23049] exit_group(0)               = ?
[pid 23049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22188", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22188/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22188")                        = 0
mkdir("./22189", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23050 attached
, child_tidptr=0x55558cab0650) = 23050
[pid 23050] set_robust_list(0x55558cab0660, 24) = 0
[pid 23050] chdir("./22189")            = 0
[pid 23050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23050] setpgid(0, 0)               = 0
[pid 23050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23050] write(3, "1000", 4)         = 4
[pid 23050] close(3)                    = 0
[pid 23050] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23050] write(1, "executing program\n", 18) = 18
[pid 23050] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23050] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23050] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23050] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23050] exit_group(0)               = ?
[pid 23050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22189", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22189/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22189")                        = 0
mkdir("./22190", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23051
./strace-static-x86_64: Process 23051 attached
[pid 23051] set_robust_list(0x55558cab0660, 24) = 0
[pid 23051] chdir("./22190")            = 0
[pid 23051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23051] setpgid(0, 0)               = 0
[pid 23051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23051] write(3, "1000", 4)         = 4
[pid 23051] close(3)                    = 0
[pid 23051] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23051] write(1, "executing program\n", 18) = 18
[pid 23051] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23051] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23051] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23051] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23051] exit_group(0)               = ?
[pid 23051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22190", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22190/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22190")                        = 0
mkdir("./22191", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23052
./strace-static-x86_64: Process 23052 attached
[pid 23052] set_robust_list(0x55558cab0660, 24) = 0
[pid 23052] chdir("./22191")            = 0
[pid 23052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23052] setpgid(0, 0)               = 0
[pid 23052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23052] write(3, "1000", 4)         = 4
[pid 23052] close(3)                    = 0
[pid 23052] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23052] write(1, "executing program\n", 18executing program
) = 18
[pid 23052] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23052] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23052] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23052] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23052] exit_group(0)               = ?
[pid 23052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22191", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22191/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22191")                        = 0
mkdir("./22192", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23053
./strace-static-x86_64: Process 23053 attached
[pid 23053] set_robust_list(0x55558cab0660, 24) = 0
[pid 23053] chdir("./22192")            = 0
[pid 23053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23053] setpgid(0, 0)               = 0
[pid 23053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23053] write(3, "1000", 4)         = 4
[pid 23053] close(3)                    = 0
[pid 23053] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23053] write(1, "executing program\n", 18) = 18
[pid 23053] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23053] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23053] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23053] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23053] exit_group(0)               = ?
[pid 23053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22192", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22192/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22192")                        = 0
mkdir("./22193", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23054 attached
, child_tidptr=0x55558cab0650) = 23054
[pid 23054] set_robust_list(0x55558cab0660, 24) = 0
[pid 23054] chdir("./22193")            = 0
[pid 23054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23054] setpgid(0, 0)               = 0
[pid 23054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23054] write(3, "1000", 4)         = 4
[pid 23054] close(3)                    = 0
[pid 23054] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23054] write(1, "executing program\n", 18executing program
) = 18
[pid 23054] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23054] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23054] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23054] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23054] exit_group(0)               = ?
[pid 23054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22193", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22193/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22193")                        = 0
mkdir("./22194", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23055 attached
, child_tidptr=0x55558cab0650) = 23055
[pid 23055] set_robust_list(0x55558cab0660, 24) = 0
[pid 23055] chdir("./22194")            = 0
[pid 23055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23055] setpgid(0, 0)               = 0
[pid 23055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23055] write(3, "1000", 4)         = 4
[pid 23055] close(3)                    = 0
[pid 23055] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23055] write(1, "executing program\n", 18) = 18
[pid 23055] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23055] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23055] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23055] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23055] exit_group(0)               = ?
[pid 23055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22194", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22194/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22194")                        = 0
mkdir("./22195", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23056 attached
, child_tidptr=0x55558cab0650) = 23056
[pid 23056] set_robust_list(0x55558cab0660, 24) = 0
[pid 23056] chdir("./22195")            = 0
[pid 23056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23056] setpgid(0, 0)               = 0
[pid 23056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23056] write(3, "1000", 4)         = 4
[pid 23056] close(3)                    = 0
[pid 23056] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23056] write(1, "executing program\n", 18) = 18
[pid 23056] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23056] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23056] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23056] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23056] exit_group(0)               = ?
[pid 23056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22195", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22195/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22195")                        = 0
mkdir("./22196", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23057 attached
, child_tidptr=0x55558cab0650) = 23057
[pid 23057] set_robust_list(0x55558cab0660, 24) = 0
[pid 23057] chdir("./22196")            = 0
[pid 23057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23057] setpgid(0, 0)               = 0
[pid 23057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23057] write(3, "1000", 4)         = 4
[pid 23057] close(3)                    = 0
[pid 23057] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23057] write(1, "executing program\n", 18) = 18
executing program
[pid 23057] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23057] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23057] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23057] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23057] exit_group(0)               = ?
[pid 23057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22196", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22196/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22196")                        = 0
mkdir("./22197", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23058 attached
, child_tidptr=0x55558cab0650) = 23058
[pid 23058] set_robust_list(0x55558cab0660, 24) = 0
[pid 23058] chdir("./22197")            = 0
[pid 23058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23058] setpgid(0, 0)               = 0
[pid 23058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23058] write(3, "1000", 4)         = 4
[pid 23058] close(3)                    = 0
[pid 23058] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23058] write(1, "executing program\n", 18) = 18
[pid 23058] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23058] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23058] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23058] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23058] exit_group(0)               = ?
[pid 23058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22197", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22197/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22197")                        = 0
mkdir("./22198", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23059 attached
, child_tidptr=0x55558cab0650) = 23059
[pid 23059] set_robust_list(0x55558cab0660, 24) = 0
[pid 23059] chdir("./22198")            = 0
[pid 23059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23059] setpgid(0, 0)               = 0
[pid 23059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23059] write(3, "1000", 4)         = 4
[pid 23059] close(3)                    = 0
[pid 23059] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23059] write(1, "executing program\n", 18executing program
) = 18
[pid 23059] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23059] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23059] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23059] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23059] exit_group(0)               = ?
[pid 23059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22198", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22198/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22198")                        = 0
mkdir("./22199", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23060
./strace-static-x86_64: Process 23060 attached
[pid 23060] set_robust_list(0x55558cab0660, 24) = 0
[pid 23060] chdir("./22199")            = 0
[pid 23060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23060] setpgid(0, 0)               = 0
[pid 23060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23060] write(3, "1000", 4)         = 4
[pid 23060] close(3)                    = 0
[pid 23060] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23060] write(1, "executing program\n", 18) = 18
[pid 23060] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23060] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23060] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23060] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23060] exit_group(0)               = ?
[pid 23060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22199", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22199/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22199")                        = 0
mkdir("./22200", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23061 attached
, child_tidptr=0x55558cab0650) = 23061
[pid 23061] set_robust_list(0x55558cab0660, 24) = 0
[pid 23061] chdir("./22200")            = 0
[pid 23061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23061] setpgid(0, 0)               = 0
[pid 23061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23061] write(3, "1000", 4)         = 4
[pid 23061] close(3)                    = 0
[pid 23061] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23061] write(1, "executing program\n", 18) = 18
[pid 23061] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23061] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23061] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23061] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23061] exit_group(0)               = ?
[pid 23061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22200", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22200/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22200")                        = 0
mkdir("./22201", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23062 attached
, child_tidptr=0x55558cab0650) = 23062
[pid 23062] set_robust_list(0x55558cab0660, 24) = 0
[pid 23062] chdir("./22201")            = 0
[pid 23062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23062] setpgid(0, 0)               = 0
[pid 23062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23062] write(3, "1000", 4)         = 4
[pid 23062] close(3)                    = 0
[pid 23062] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23062] write(1, "executing program\n", 18) = 18
[pid 23062] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23062] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23062] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23062] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23062] exit_group(0)               = ?
[pid 23062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23062, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22201", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22201/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22201")                        = 0
mkdir("./22202", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23063 attached
, child_tidptr=0x55558cab0650) = 23063
[pid 23063] set_robust_list(0x55558cab0660, 24) = 0
[pid 23063] chdir("./22202")            = 0
[pid 23063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23063] setpgid(0, 0)               = 0
[pid 23063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23063] write(3, "1000", 4)         = 4
[pid 23063] close(3)                    = 0
[pid 23063] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23063] write(1, "executing program\n", 18) = 18
[pid 23063] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23063] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23063] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23063] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23063] exit_group(0)               = ?
[pid 23063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22202", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22202/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22202")                        = 0
mkdir("./22203", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23064 attached
, child_tidptr=0x55558cab0650) = 23064
[pid 23064] set_robust_list(0x55558cab0660, 24) = 0
[pid 23064] chdir("./22203")            = 0
[pid 23064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23064] setpgid(0, 0)               = 0
[pid 23064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23064] write(3, "1000", 4)         = 4
[pid 23064] close(3)                    = 0
[pid 23064] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23064] write(1, "executing program\n", 18) = 18
[pid 23064] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23064] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23064] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23064] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23064] exit_group(0)               = ?
[pid 23064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22203", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22203/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22203")                        = 0
mkdir("./22204", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23065 attached
, child_tidptr=0x55558cab0650) = 23065
[pid 23065] set_robust_list(0x55558cab0660, 24) = 0
[pid 23065] chdir("./22204")            = 0
[pid 23065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23065] setpgid(0, 0)               = 0
[pid 23065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23065] write(3, "1000", 4)         = 4
[pid 23065] close(3)                    = 0
[pid 23065] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23065] write(1, "executing program\n", 18) = 18
[pid 23065] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23065] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23065] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23065] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23065] exit_group(0)               = ?
[pid 23065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22204", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22204/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22204")                        = 0
mkdir("./22205", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23066
./strace-static-x86_64: Process 23066 attached
[pid 23066] set_robust_list(0x55558cab0660, 24) = 0
[pid 23066] chdir("./22205")            = 0
[pid 23066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23066] setpgid(0, 0)               = 0
[pid 23066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23066] write(3, "1000", 4)         = 4
[pid 23066] close(3)                    = 0
[pid 23066] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23066] write(1, "executing program\n", 18executing program
) = 18
[pid 23066] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23066] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23066] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23066] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23066] exit_group(0)               = ?
[pid 23066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22205", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
executing program
unlink("./22205/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22205")                        = 0
mkdir("./22206", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23067
./strace-static-x86_64: Process 23067 attached
[pid 23067] set_robust_list(0x55558cab0660, 24) = 0
[pid 23067] chdir("./22206")            = 0
[pid 23067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23067] setpgid(0, 0)               = 0
[pid 23067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23067] write(3, "1000", 4)         = 4
[pid 23067] close(3)                    = 0
[pid 23067] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23067] write(1, "executing program\n", 18) = 18
[pid 23067] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23067] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23067] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23067] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23067] exit_group(0)               = ?
[pid 23067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22206", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22206/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22206")                        = 0
mkdir("./22207", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23068 attached
, child_tidptr=0x55558cab0650) = 23068
[pid 23068] set_robust_list(0x55558cab0660, 24) = 0
[pid 23068] chdir("./22207")            = 0
[pid 23068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23068] setpgid(0, 0)               = 0
[pid 23068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23068] write(3, "1000", 4)         = 4
[pid 23068] close(3)                    = 0
[pid 23068] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23068] write(1, "executing program\n", 18executing program
) = 18
[pid 23068] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23068] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23068] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23068] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23068] exit_group(0)               = ?
[pid 23068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22207", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22207/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22207")                        = 0
mkdir("./22208", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23069 attached
, child_tidptr=0x55558cab0650) = 23069
[pid 23069] set_robust_list(0x55558cab0660, 24) = 0
[pid 23069] chdir("./22208")            = 0
[pid 23069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23069] setpgid(0, 0)               = 0
[pid 23069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23069] write(3, "1000", 4)         = 4
[pid 23069] close(3)                    = 0
[pid 23069] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23069] write(1, "executing program\n", 18executing program
) = 18
[pid 23069] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23069] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23069] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23069] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23069] exit_group(0)               = ?
[pid 23069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22208", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22208/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22208")                        = 0
mkdir("./22209", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23070
./strace-static-x86_64: Process 23070 attached
[pid 23070] set_robust_list(0x55558cab0660, 24) = 0
[pid 23070] chdir("./22209")            = 0
[pid 23070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23070] setpgid(0, 0)               = 0
[pid 23070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23070] write(3, "1000", 4)         = 4
[pid 23070] close(3)                    = 0
[pid 23070] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23070] write(1, "executing program\n", 18) = 18
[pid 23070] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23070] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23070] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23070] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23070] exit_group(0)               = ?
[pid 23070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22209", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22209/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22209")                        = 0
mkdir("./22210", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23071
./strace-static-x86_64: Process 23071 attached
[pid 23071] set_robust_list(0x55558cab0660, 24) = 0
[pid 23071] chdir("./22210")            = 0
[pid 23071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23071] setpgid(0, 0)               = 0
[pid 23071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23071] write(3, "1000", 4)         = 4
[pid 23071] close(3)                    = 0
[pid 23071] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23071] write(1, "executing program\n", 18executing program
) = 18
[pid 23071] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23071] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23071] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23071] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23071] exit_group(0)               = ?
[pid 23071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22210", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22210/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22210")                        = 0
mkdir("./22211", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23072
./strace-static-x86_64: Process 23072 attached
[pid 23072] set_robust_list(0x55558cab0660, 24) = 0
[pid 23072] chdir("./22211")            = 0
[pid 23072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23072] setpgid(0, 0)               = 0
[pid 23072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23072] write(3, "1000", 4)         = 4
[pid 23072] close(3)                    = 0
[pid 23072] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23072] write(1, "executing program\n", 18) = 18
[pid 23072] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23072] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23072] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23072] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23072] exit_group(0)               = ?
[pid 23072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22211", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22211/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22211")                        = 0
mkdir("./22212", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23073 attached
, child_tidptr=0x55558cab0650) = 23073
[pid 23073] set_robust_list(0x55558cab0660, 24) = 0
[pid 23073] chdir("./22212")            = 0
[pid 23073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23073] setpgid(0, 0)               = 0
[pid 23073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23073] write(3, "1000", 4)         = 4
[pid 23073] close(3executing program
)                    = 0
[pid 23073] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23073] write(1, "executing program\n", 18) = 18
[pid 23073] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23073] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23073] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23073] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23073] exit_group(0)               = ?
[pid 23073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22212", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22212/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22212")                        = 0
mkdir("./22213", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23075
./strace-static-x86_64: Process 23075 attached
[pid 23075] set_robust_list(0x55558cab0660, 24) = 0
[pid 23075] chdir("./22213")            = 0
[pid 23075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23075] setpgid(0, 0)               = 0
[pid 23075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23075] write(3, "1000", 4)         = 4
[pid 23075] close(3)                    = 0
[pid 23075] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23075] write(1, "executing program\n", 18) = 18
[pid 23075] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23075] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23075] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23075] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23075] exit_group(0)               = ?
[pid 23075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22213", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22213/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22213")                        = 0
mkdir("./22214", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23076 attached
, child_tidptr=0x55558cab0650) = 23076
[pid 23076] set_robust_list(0x55558cab0660, 24) = 0
[pid 23076] chdir("./22214")            = 0
[pid 23076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23076] setpgid(0, 0)               = 0
[pid 23076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23076] write(3, "1000", 4executing program
)         = 4
[pid 23076] close(3)                    = 0
[pid 23076] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23076] write(1, "executing program\n", 18) = 18
[pid 23076] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23076] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23076] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23076] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23076] exit_group(0)               = ?
[pid 23076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23076, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22214", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22214/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22214")                        = 0
mkdir("./22215", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23077
./strace-static-x86_64: Process 23077 attached
[pid 23077] set_robust_list(0x55558cab0660, 24) = 0
[pid 23077] chdir("./22215")            = 0
[pid 23077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23077] setpgid(0, 0)               = 0
[pid 23077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23077] write(3, "1000", 4)         = 4
[pid 23077] close(3)                    = 0
[pid 23077] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23077] write(1, "executing program\n", 18) = 18
[pid 23077] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23077] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23077] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23077] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23077] exit_group(0)               = ?
[pid 23077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22215", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22215/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22215")                        = 0
mkdir("./22216", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23078 attached
, child_tidptr=0x55558cab0650) = 23078
[pid 23078] set_robust_list(0x55558cab0660, 24) = 0
[pid 23078] chdir("./22216")            = 0
[pid 23078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23078] setpgid(0, 0)               = 0
[pid 23078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23078] write(3, "1000", 4)         = 4
[pid 23078] close(3)                    = 0
[pid 23078] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23078] write(1, "executing program\n", 18executing program
) = 18
[pid 23078] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23078] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23078] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23078] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23078] exit_group(0)               = ?
[pid 23078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22216", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22216/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22216")                        = 0
mkdir("./22217", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23079
./strace-static-x86_64: Process 23079 attached
[pid 23079] set_robust_list(0x55558cab0660, 24) = 0
[pid 23079] chdir("./22217")            = 0
[pid 23079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23079] setpgid(0, 0)               = 0
[pid 23079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23079] write(3, "1000", 4)         = 4
[pid 23079] close(3)                    = 0
[pid 23079] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23079] write(1, "executing program\n", 18) = 18
[pid 23079] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23079] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23079] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23079] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23079] exit_group(0)               = ?
[pid 23079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22217", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22217/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22217")                        = 0
mkdir("./22218", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23080 attached
, child_tidptr=0x55558cab0650) = 23080
[pid 23080] set_robust_list(0x55558cab0660, 24) = 0
[pid 23080] chdir("./22218")            = 0
[pid 23080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23080] setpgid(0, 0)               = 0
[pid 23080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23080] write(3, "1000", 4)         = 4
[pid 23080] close(3)                    = 0
[pid 23080] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23080] write(1, "executing program\n", 18) = 18
[pid 23080] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23080] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23080] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23080] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23080] exit_group(0)               = ?
[pid 23080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23080, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22218", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22218/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22218")                        = 0
mkdir("./22219", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23081 attached
, child_tidptr=0x55558cab0650) = 23081
[pid 23081] set_robust_list(0x55558cab0660, 24) = 0
[pid 23081] chdir("./22219")            = 0
[pid 23081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23081] setpgid(0, 0)               = 0
[pid 23081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23081] write(3, "1000", 4)         = 4
[pid 23081] close(3)                    = 0
[pid 23081] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23081] write(1, "executing program\n", 18) = 18
[pid 23081] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23081] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23081] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23081] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23081] exit_group(0)               = ?
[pid 23081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22219", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22219/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22219")                        = 0
mkdir("./22220", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23082 attached
, child_tidptr=0x55558cab0650) = 23082
[pid 23082] set_robust_list(0x55558cab0660, 24) = 0
[pid 23082] chdir("./22220")            = 0
[pid 23082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23082] setpgid(0, 0)               = 0
[pid 23082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23082] write(3, "1000", 4)         = 4
[pid 23082] close(3)                    = 0
[pid 23082] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23082] write(1, "executing program\n", 18) = 18
[pid 23082] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23082] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23082] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23082] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23082] exit_group(0)               = ?
[pid 23082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22220", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22220/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22220")                        = 0
mkdir("./22221", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23083 attached
, child_tidptr=0x55558cab0650) = 23083
[pid 23083] set_robust_list(0x55558cab0660, 24) = 0
[pid 23083] chdir("./22221")            = 0
[pid 23083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23083] setpgid(0, 0)               = 0
[pid 23083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23083] write(3, "1000", 4)         = 4
[pid 23083] close(3)                    = 0
[pid 23083] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23083] write(1, "executing program\n", 18) = 18
[pid 23083] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23083] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23083] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23083] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23083] exit_group(0)               = ?
[pid 23083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22221", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22221/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22221")                        = 0
mkdir("./22222", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23084
./strace-static-x86_64: Process 23084 attached
[pid 23084] set_robust_list(0x55558cab0660, 24) = 0
[pid 23084] chdir("./22222")            = 0
[pid 23084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23084] setpgid(0, 0)               = 0
[pid 23084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23084] write(3, "1000", 4)         = 4
[pid 23084] close(3)                    = 0
[pid 23084] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23084] write(1, "executing program\n", 18) = 18
[pid 23084] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23084] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23084] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23084] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23084] exit_group(0)               = ?
[pid 23084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23084, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22222", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22222/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22222")                        = 0
mkdir("./22223", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23085 attached
, child_tidptr=0x55558cab0650) = 23085
[pid 23085] set_robust_list(0x55558cab0660, 24) = 0
[pid 23085] chdir("./22223")            = 0
[pid 23085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 23085] setpgid(0, 0)               = 0
[pid 23085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23085] write(3, "1000", 4)         = 4
[pid 23085] close(3)                    = 0
[pid 23085] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23085] write(1, "executing program\n", 18) = 18
[pid 23085] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23085] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23085] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23085] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23085] exit_group(0)               = ?
[pid 23085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22223", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22223/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22223")                        = 0
mkdir("./22224", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23086 attached
, child_tidptr=0x55558cab0650) = 23086
[pid 23086] set_robust_list(0x55558cab0660, 24) = 0
[pid 23086] chdir("./22224")            = 0
[pid 23086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23086] setpgid(0, 0)               = 0
[pid 23086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23086] write(3, "1000", 4)         = 4
[pid 23086] close(3)                    = 0
[pid 23086] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23086] write(1, "executing program\n", 18) = 18
[pid 23086] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23086] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23086] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23086] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23086] exit_group(0)               = ?
[pid 23086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22224", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22224/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22224")                        = 0
mkdir("./22225", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23087
./strace-static-x86_64: Process 23087 attached
[pid 23087] set_robust_list(0x55558cab0660, 24) = 0
[pid 23087] chdir("./22225")            = 0
[pid 23087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23087] setpgid(0, 0)               = 0
[pid 23087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23087] write(3, "1000", 4)         = 4
[pid 23087] close(3)                    = 0
[pid 23087] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23087] write(1, "executing program\n", 18) = 18
[pid 23087] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23087] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23087] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23087] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23087] exit_group(0)               = ?
[pid 23087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22225", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22225/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22225")                        = 0
mkdir("./22226", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23088 attached
, child_tidptr=0x55558cab0650) = 23088
[pid 23088] set_robust_list(0x55558cab0660, 24) = 0
[pid 23088] chdir("./22226")            = 0
[pid 23088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23088] setpgid(0, 0)               = 0
[pid 23088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23088] write(3, "1000", 4)         = 4
[pid 23088] close(3)                    = 0
[pid 23088] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23088] write(1, "executing program\n", 18executing program
) = 18
[pid 23088] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23088] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23088] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23088] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23088] exit_group(0)               = ?
[pid 23088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22226", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22226/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22226")                        = 0
mkdir("./22227", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23089 attached
, child_tidptr=0x55558cab0650) = 23089
[pid 23089] set_robust_list(0x55558cab0660, 24) = 0
[pid 23089] chdir("./22227")            = 0
[pid 23089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23089] setpgid(0, 0)               = 0
[pid 23089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23089] write(3, "1000", 4)         = 4
[pid 23089] close(3)                    = 0
[pid 23089] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23089] write(1, "executing program\n", 18) = 18
[pid 23089] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23089] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23089] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23089] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23089] exit_group(0)               = ?
[pid 23089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22227", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22227/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22227")                        = 0
mkdir("./22228", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23090 attached
, child_tidptr=0x55558cab0650) = 23090
[pid 23090] set_robust_list(0x55558cab0660, 24) = 0
[pid 23090] chdir("./22228")            = 0
[pid 23090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23090] setpgid(0, 0)               = 0
[pid 23090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23090] write(3, "1000", 4)         = 4
[pid 23090] close(3)                    = 0
[pid 23090] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23090] write(1, "executing program\n", 18) = 18
[pid 23090] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23090] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23090] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23090] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23090] exit_group(0)               = ?
[pid 23090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22228", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22228/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22228")                        = 0
mkdir("./22229", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23091
./strace-static-x86_64: Process 23091 attached
[pid 23091] set_robust_list(0x55558cab0660, 24) = 0
[pid 23091] chdir("./22229")            = 0
[pid 23091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23091] setpgid(0, 0)               = 0
[pid 23091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23091] write(3, "1000", 4)         = 4
[pid 23091] close(3)                    = 0
[pid 23091] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23091] write(1, "executing program\n", 18) = 18
[pid 23091] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23091] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23091] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23091] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23091] exit_group(0)               = ?
[pid 23091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22229", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22229/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22229")                        = 0
mkdir("./22230", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23092 attached
, child_tidptr=0x55558cab0650) = 23092
[pid 23092] set_robust_list(0x55558cab0660, 24) = 0
[pid 23092] chdir("./22230")            = 0
[pid 23092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23092] setpgid(0, 0)               = 0
[pid 23092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23092] write(3, "1000", 4)         = 4
[pid 23092] close(3)                    = 0
[pid 23092] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23092] write(1, "executing program\n", 18) = 18
[pid 23092] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23092] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23092] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23092] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23092] exit_group(0)               = ?
[pid 23092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22230", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22230/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22230")                        = 0
mkdir("./22231", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23093
./strace-static-x86_64: Process 23093 attached
[pid 23093] set_robust_list(0x55558cab0660, 24) = 0
[pid 23093] chdir("./22231")            = 0
[pid 23093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23093] setpgid(0, 0)               = 0
[pid 23093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23093] write(3, "1000", 4)         = 4
[pid 23093] close(3)                    = 0
[pid 23093] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23093] write(1, "executing program\n", 18) = 18
[pid 23093] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23093] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23093] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23093] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23093] exit_group(0)               = ?
[pid 23093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22231", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22231/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22231")                        = 0
mkdir("./22232", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23094 attached
, child_tidptr=0x55558cab0650) = 23094
[pid 23094] set_robust_list(0x55558cab0660, 24) = 0
[pid 23094] chdir("./22232")            = 0
[pid 23094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23094] setpgid(0, 0)               = 0
[pid 23094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23094] write(3, "1000", 4)         = 4
[pid 23094] close(3)                    = 0
[pid 23094] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23094] write(1, "executing program\n", 18executing program
) = 18
[pid 23094] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23094] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23094] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23094] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23094] exit_group(0)               = ?
[pid 23094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22232", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22232/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22232")                        = 0
mkdir("./22233", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23095
./strace-static-x86_64: Process 23095 attached
[pid 23095] set_robust_list(0x55558cab0660, 24) = 0
[pid 23095] chdir("./22233")            = 0
[pid 23095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23095] setpgid(0, 0)               = 0
[pid 23095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23095] write(3, "1000", 4)         = 4
[pid 23095] close(3)                    = 0
[pid 23095] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23095] write(1, "executing program\n", 18) = 18
[pid 23095] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23095] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23095] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23095] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23095] exit_group(0)               = ?
[pid 23095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22233", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22233/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22233")                        = 0
mkdir("./22234", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23096 attached
, child_tidptr=0x55558cab0650) = 23096
[pid 23096] set_robust_list(0x55558cab0660, 24) = 0
[pid 23096] chdir("./22234")            = 0
[pid 23096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23096] setpgid(0, 0)               = 0
[pid 23096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23096] write(3, "1000", 4)         = 4
[pid 23096] close(3)                    = 0
[pid 23096] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23096] write(1, "executing program\n", 18) = 18
[pid 23096] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23096] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23096] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23096] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23096] exit_group(0)               = ?
[pid 23096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22234", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22234/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22234")                        = 0
mkdir("./22235", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23097 attached
, child_tidptr=0x55558cab0650) = 23097
[pid 23097] set_robust_list(0x55558cab0660, 24) = 0
[pid 23097] chdir("./22235")            = 0
[pid 23097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23097] setpgid(0, 0)               = 0
[pid 23097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23097] write(3, "1000", 4)         = 4
[pid 23097] close(3)                    = 0
[pid 23097] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23097] write(1, "executing program\n", 18executing program
) = 18
[pid 23097] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23097] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23097] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23097] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23097] exit_group(0)               = ?
[pid 23097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22235", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22235/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22235")                        = 0
mkdir("./22236", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23098 attached
, child_tidptr=0x55558cab0650) = 23098
[pid 23098] set_robust_list(0x55558cab0660, 24) = 0
[pid 23098] chdir("./22236")            = 0
[pid 23098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23098] setpgid(0, 0)               = 0
[pid 23098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23098] write(3, "1000", 4)         = 4
[pid 23098] close(3)                    = 0
[pid 23098] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23098] write(1, "executing program\n", 18) = 18
[pid 23098] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23098] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23098] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23098] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23098] exit_group(0)               = ?
[pid 23098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22236", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22236/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22236")                        = 0
mkdir("./22237", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23099 attached
, child_tidptr=0x55558cab0650) = 23099
[pid 23099] set_robust_list(0x55558cab0660, 24) = 0
[pid 23099] chdir("./22237")            = 0
[pid 23099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23099] setpgid(0, 0)               = 0
[pid 23099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23099] write(3, "1000", 4)         = 4
[pid 23099] close(3)                    = 0
[pid 23099] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23099] write(1, "executing program\n", 18executing program
) = 18
[pid 23099] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23099] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23099] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23099] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23099] exit_group(0)               = ?
[pid 23099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22237", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22237/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22237")                        = 0
mkdir("./22238", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23100
./strace-static-x86_64: Process 23100 attached
[pid 23100] set_robust_list(0x55558cab0660, 24) = 0
[pid 23100] chdir("./22238")            = 0
[pid 23100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23100] setpgid(0, 0)               = 0
[pid 23100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23100] write(3, "1000", 4)         = 4
[pid 23100] close(3)                    = 0
[pid 23100] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23100] write(1, "executing program\n", 18) = 18
[pid 23100] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23100] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23100] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23100] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23100] exit_group(0)               = ?
[pid 23100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22238", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22238/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22238")                        = 0
mkdir("./22239", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23101
./strace-static-x86_64: Process 23101 attached
[pid 23101] set_robust_list(0x55558cab0660, 24) = 0
[pid 23101] chdir("./22239")            = 0
[pid 23101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23101] setpgid(0, 0)               = 0
[pid 23101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23101] write(3, "1000", 4)         = 4
[pid 23101] close(3)                    = 0
[pid 23101] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23101] write(1, "executing program\n", 18) = 18
[pid 23101] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23101] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23101] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23101] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23101] exit_group(0)               = ?
[pid 23101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22239", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22239/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22239")                        = 0
mkdir("./22240", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23102 attached
, child_tidptr=0x55558cab0650) = 23102
[pid 23102] set_robust_list(0x55558cab0660, 24) = 0
[pid 23102] chdir("./22240")            = 0
[pid 23102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23102] setpgid(0, 0)               = 0
[pid 23102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23102] write(3, "1000", 4)         = 4
[pid 23102] close(3)                    = 0
[pid 23102] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23102] write(1, "executing program\n", 18executing program
) = 18
[pid 23102] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23102] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23102] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23102] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23102] exit_group(0)               = ?
[pid 23102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22240", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22240/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22240")                        = 0
mkdir("./22241", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23103
./strace-static-x86_64: Process 23103 attached
[pid 23103] set_robust_list(0x55558cab0660, 24) = 0
[pid 23103] chdir("./22241")            = 0
[pid 23103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23103] setpgid(0, 0)               = 0
[pid 23103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23103] write(3, "1000", 4)         = 4
[pid 23103] close(3)                    = 0
[pid 23103] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23103] write(1, "executing program\n", 18) = 18
[pid 23103] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23103] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23103] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23103] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23103] exit_group(0)               = ?
[pid 23103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22241", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22241/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22241")                        = 0
mkdir("./22242", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23104
./strace-static-x86_64: Process 23104 attached
[pid 23104] set_robust_list(0x55558cab0660, 24) = 0
[pid 23104] chdir("./22242")            = 0
[pid 23104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23104] setpgid(0, 0)               = 0
[pid 23104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23104] write(3, "1000", 4)         = 4
[pid 23104] close(3)                    = 0
[pid 23104] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23104] write(1, "executing program\n", 18) = 18
[pid 23104] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23104] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23104] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23104] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23104] exit_group(0)               = ?
[pid 23104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22242", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22242/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22242")                        = 0
mkdir("./22243", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23105 attached
, child_tidptr=0x55558cab0650) = 23105
[pid 23105] set_robust_list(0x55558cab0660, 24) = 0
[pid 23105] chdir("./22243")            = 0
[pid 23105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23105] setpgid(0, 0)               = 0
[pid 23105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23105] write(3, "1000", 4)         = 4
[pid 23105] close(3)                    = 0
[pid 23105] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23105] write(1, "executing program\n", 18executing program
) = 18
[pid 23105] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23105] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23105] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23105] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23105] exit_group(0)               = ?
[pid 23105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22243", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22243/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22243")                        = 0
mkdir("./22244", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23106 attached
, child_tidptr=0x55558cab0650) = 23106
[pid 23106] set_robust_list(0x55558cab0660, 24) = 0
[pid 23106] chdir("./22244")            = 0
[pid 23106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23106] setpgid(0, 0)               = 0
[pid 23106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23106] write(3, "1000", 4)         = 4
[pid 23106] close(3)                    = 0
[pid 23106] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23106] write(1, "executing program\n", 18executing program
) = 18
[pid 23106] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23106] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23106] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23106] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23106] exit_group(0)               = ?
[pid 23106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22244", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22244/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22244")                        = 0
mkdir("./22245", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23107
./strace-static-x86_64: Process 23107 attached
[pid 23107] set_robust_list(0x55558cab0660, 24) = 0
[pid 23107] chdir("./22245")            = 0
[pid 23107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23107] setpgid(0, 0)               = 0
[pid 23107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23107] write(3, "1000", 4)         = 4
[pid 23107] close(3)                    = 0
[pid 23107] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23107] write(1, "executing program\n", 18executing program
) = 18
[pid 23107] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23107] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23107] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23107] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23107] exit_group(0)               = ?
[pid 23107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22245", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22245/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22245")                        = 0
mkdir("./22246", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23108 attached
, child_tidptr=0x55558cab0650) = 23108
[pid 23108] set_robust_list(0x55558cab0660, 24) = 0
[pid 23108] chdir("./22246")            = 0
[pid 23108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23108] setpgid(0, 0)               = 0
[pid 23108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23108] write(3, "1000", 4)         = 4
[pid 23108] close(3)                    = 0
[pid 23108] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23108] write(1, "executing program\n", 18executing program
) = 18
[pid 23108] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23108] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23108] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23108] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23108] exit_group(0)               = ?
[pid 23108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22246", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22246/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22246")                        = 0
mkdir("./22247", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23109 attached
, child_tidptr=0x55558cab0650) = 23109
[pid 23109] set_robust_list(0x55558cab0660, 24) = 0
[pid 23109] chdir("./22247")            = 0
[pid 23109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23109] setpgid(0, 0)               = 0
[pid 23109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23109] write(3, "1000", 4)         = 4
[pid 23109] close(3)                    = 0
[pid 23109] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23109] write(1, "executing program\n", 18executing program
) = 18
[pid 23109] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23109] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23109] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23109] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23109] exit_group(0)               = ?
[pid 23109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22247", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22247/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22247")                        = 0
mkdir("./22248", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23110 attached
, child_tidptr=0x55558cab0650) = 23110
[pid 23110] set_robust_list(0x55558cab0660, 24) = 0
[pid 23110] chdir("./22248")            = 0
[pid 23110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23110] setpgid(0, 0)               = 0
[pid 23110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23110] write(3, "1000", 4)         = 4
[pid 23110] close(3)                    = 0
[pid 23110] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23110] write(1, "executing program\n", 18executing program
) = 18
[pid 23110] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23110] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23110] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23110] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23110] exit_group(0)               = ?
[pid 23110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22248", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22248/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22248")                        = 0
mkdir("./22249", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23111 attached
, child_tidptr=0x55558cab0650) = 23111
[pid 23111] set_robust_list(0x55558cab0660, 24) = 0
[pid 23111] chdir("./22249")            = 0
[pid 23111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23111] setpgid(0, 0)               = 0
[pid 23111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23111] write(3, "1000", 4)         = 4
[pid 23111] close(3)                    = 0
[pid 23111] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23111] write(1, "executing program\n", 18) = 18
[pid 23111] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23111] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23111] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23111] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23111] exit_group(0)               = ?
[pid 23111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22249", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22249/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22249")                        = 0
mkdir("./22250", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23112 attached
, child_tidptr=0x55558cab0650) = 23112
[pid 23112] set_robust_list(0x55558cab0660, 24) = 0
[pid 23112] chdir("./22250")            = 0
[pid 23112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23112] setpgid(0, 0)               = 0
[pid 23112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23112] write(3, "1000", 4)         = 4
[pid 23112] close(3)                    = 0
[pid 23112] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23112] write(1, "executing program\n", 18) = 18
[pid 23112] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23112] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23112] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23112] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23112] exit_group(0)               = ?
[pid 23112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22250", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22250/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22250")                        = 0
mkdir("./22251", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23113
./strace-static-x86_64: Process 23113 attached
[pid 23113] set_robust_list(0x55558cab0660, 24) = 0
[pid 23113] chdir("./22251")            = 0
[pid 23113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23113] setpgid(0, 0)               = 0
[pid 23113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23113] write(3, "1000", 4)         = 4
[pid 23113] close(3)                    = 0
[pid 23113] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23113] write(1, "executing program\n", 18executing program
) = 18
[pid 23113] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23113] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23113] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23113] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23113] exit_group(0)               = ?
[pid 23113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22251", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22251/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22251/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22251")                        = 0
mkdir("./22252", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23114 attached
, child_tidptr=0x55558cab0650) = 23114
[pid 23114] set_robust_list(0x55558cab0660, 24) = 0
[pid 23114] chdir("./22252")            = 0
[pid 23114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23114] setpgid(0, 0)               = 0
[pid 23114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23114] write(3, "1000", 4)         = 4
[pid 23114] close(3)                    = 0
[pid 23114] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23114] write(1, "executing program\n", 18executing program
) = 18
[pid 23114] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23114] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23114] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23114] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23114] exit_group(0)               = ?
[pid 23114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22252", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22252/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22252/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22252")                        = 0
mkdir("./22253", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23115
./strace-static-x86_64: Process 23115 attached
[pid 23115] set_robust_list(0x55558cab0660, 24) = 0
[pid 23115] chdir("./22253")            = 0
[pid 23115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23115] setpgid(0, 0)               = 0
[pid 23115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23115] write(3, "1000", 4)         = 4
[pid 23115] close(3)                    = 0
[pid 23115] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23115] write(1, "executing program\n", 18executing program
) = 18
[pid 23115] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23115] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23115] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23115] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23115] exit_group(0)               = ?
[pid 23115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22253", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22253/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22253")                        = 0
mkdir("./22254", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23116 attached
, child_tidptr=0x55558cab0650) = 23116
[pid 23116] set_robust_list(0x55558cab0660, 24) = 0
[pid 23116] chdir("./22254")            = 0
[pid 23116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23116] setpgid(0, 0)               = 0
[pid 23116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23116] write(3, "1000", 4)         = 4
[pid 23116] close(3)                    = 0
[pid 23116] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23116] write(1, "executing program\n", 18executing program
) = 18
[pid 23116] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23116] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23116] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23116] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23116] exit_group(0)               = ?
[pid 23116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22254", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22254/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22254/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22254")                        = 0
mkdir("./22255", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23117 attached
, child_tidptr=0x55558cab0650) = 23117
[pid 23117] set_robust_list(0x55558cab0660, 24) = 0
[pid 23117] chdir("./22255")            = 0
[pid 23117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23117] setpgid(0, 0)               = 0
[pid 23117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23117] write(3, "1000", 4)         = 4
[pid 23117] close(3)                    = 0
[pid 23117] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23117] write(1, "executing program\n", 18) = 18
[pid 23117] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23117] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23117] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23117] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23117] exit_group(0)               = ?
[pid 23117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22255", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22255/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22255/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22255")                        = 0
mkdir("./22256", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23118 attached
, child_tidptr=0x55558cab0650) = 23118
[pid 23118] set_robust_list(0x55558cab0660, 24) = 0
[pid 23118] chdir("./22256")            = 0
[pid 23118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23118] setpgid(0, 0)               = 0
[pid 23118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23118] write(3, "1000", 4)         = 4
[pid 23118] close(3)                    = 0
[pid 23118] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23118] write(1, "executing program\n", 18) = 18
[pid 23118] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23118] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23118] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23118] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23118] exit_group(0)               = ?
[pid 23118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22256", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22256/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22256/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22256")                        = 0
mkdir("./22257", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23119 attached
, child_tidptr=0x55558cab0650) = 23119
[pid 23119] set_robust_list(0x55558cab0660, 24) = 0
[pid 23119] chdir("./22257")            = 0
[pid 23119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23119] setpgid(0, 0)               = 0
[pid 23119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23119] write(3, "1000", 4)         = 4
[pid 23119] close(3)                    = 0
[pid 23119] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23119] write(1, "executing program\n", 18) = 18
[pid 23119] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23119] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23119] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23119] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23119] exit_group(0)               = ?
[pid 23119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22257", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22257/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22257/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22257")                        = 0
mkdir("./22258", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23120 attached
, child_tidptr=0x55558cab0650) = 23120
[pid 23120] set_robust_list(0x55558cab0660, 24) = 0
[pid 23120] chdir("./22258")            = 0
[pid 23120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23120] setpgid(0, 0)               = 0
[pid 23120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23120] write(3, "1000", 4)         = 4
[pid 23120] close(3)                    = 0
[pid 23120] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23120] write(1, "executing program\n", 18) = 18
[pid 23120] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23120] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23120] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23120] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23120] exit_group(0)               = ?
[pid 23120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22258", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22258/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22258/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22258")                        = 0
mkdir("./22259", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23121
./strace-static-x86_64: Process 23121 attached
[pid 23121] set_robust_list(0x55558cab0660, 24) = 0
[pid 23121] chdir("./22259")            = 0
[pid 23121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23121] setpgid(0, 0)               = 0
[pid 23121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23121] write(3, "1000", 4)         = 4
[pid 23121] close(3)                    = 0
[pid 23121] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23121] write(1, "executing program\n", 18) = 18
[pid 23121] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23121] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23121] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23121] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23121] exit_group(0)               = ?
[pid 23121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22259", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22259/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22259")                        = 0
mkdir("./22260", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23122 attached
 <unfinished ...>
[pid 23122] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 23122
[pid 23122] chdir("./22260")            = 0
[pid 23122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23122] setpgid(0, 0)               = 0
[pid 23122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23122] write(3, "1000", 4)         = 4
[pid 23122] close(3)                    = 0
[pid 23122] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23122] write(1, "executing program\n", 18) = 18
[pid 23122] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23122] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23122] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23122] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23122] exit_group(0)               = ?
[pid 23122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22260", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22260/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22260")                        = 0
mkdir("./22261", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23123
./strace-static-x86_64: Process 23123 attached
[pid 23123] set_robust_list(0x55558cab0660, 24) = 0
[pid 23123] chdir("./22261")            = 0
[pid 23123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23123] setpgid(0, 0)               = 0
[pid 23123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 23123] write(3, "1000", 4)         = 4
[pid 23123] close(3)                    = 0
[pid 23123] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23123] write(1, "executing program\n", 18) = 18
[pid 23123] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23123] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23123] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23123] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23123] exit_group(0)               = ?
[pid 23123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22261", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22261/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22261/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22261")                        = 0
mkdir("./22262", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23124 attached
, child_tidptr=0x55558cab0650) = 23124
[pid 23124] set_robust_list(0x55558cab0660, 24) = 0
[pid 23124] chdir("./22262")            = 0
[pid 23124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23124] setpgid(0, 0)               = 0
[pid 23124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23124] write(3, "1000", 4)         = 4
[pid 23124] close(3)                    = 0
[pid 23124] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23124] write(1, "executing program\n", 18) = 18
[pid 23124] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23124] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23124] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23124] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23124] exit_group(0)               = ?
[pid 23124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22262", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22262/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22262/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22262")                        = 0
mkdir("./22263", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23125 attached
, child_tidptr=0x55558cab0650) = 23125
[pid 23125] set_robust_list(0x55558cab0660, 24) = 0
[pid 23125] chdir("./22263")            = 0
[pid 23125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23125] setpgid(0, 0)               = 0
[pid 23125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23125] write(3, "1000", 4)         = 4
[pid 23125] close(3)                    = 0
[pid 23125] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23125] write(1, "executing program\n", 18) = 18
[pid 23125] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23125] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23125] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23125] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23125] exit_group(0)               = ?
[pid 23125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22263", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22263/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22263/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22263")                        = 0
mkdir("./22264", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23126 attached
, child_tidptr=0x55558cab0650) = 23126
[pid 23126] set_robust_list(0x55558cab0660, 24) = 0
executing program
[pid 23126] chdir("./22264")            = 0
[pid 23126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23126] setpgid(0, 0)               = 0
[pid 23126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23126] write(3, "1000", 4)         = 4
[pid 23126] close(3)                    = 0
[pid 23126] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23126] write(1, "executing program\n", 18) = 18
[pid 23126] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23126] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23126] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23126] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23126] exit_group(0)               = ?
[pid 23126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22264", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22264/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22264/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22264")                        = 0
mkdir("./22265", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23127 attached
, child_tidptr=0x55558cab0650) = 23127
[pid 23127] set_robust_list(0x55558cab0660, 24) = 0
[pid 23127] chdir("./22265")            = 0
[pid 23127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23127] setpgid(0, 0)               = 0
[pid 23127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23127] write(3, "1000", 4)         = 4
[pid 23127] close(3)                    = 0
[pid 23127] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23127] write(1, "executing program\n", 18executing program
) = 18
[pid 23127] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23127] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23127] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23127] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23127] exit_group(0)               = ?
[pid 23127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22265", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22265/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22265/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22265")                        = 0
mkdir("./22266", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23128
./strace-static-x86_64: Process 23128 attached
[pid 23128] set_robust_list(0x55558cab0660, 24) = 0
[pid 23128] chdir("./22266")            = 0
[pid 23128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23128] setpgid(0, 0)               = 0
[pid 23128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23128] write(3, "1000", 4)         = 4
[pid 23128] close(3)                    = 0
[pid 23128] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23128] write(1, "executing program\n", 18) = 18
[pid 23128] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23128] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23128] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23128] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23128] exit_group(0)               = ?
[pid 23128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22266", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22266/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22266/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22266")                        = 0
mkdir("./22267", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23129 attached
, child_tidptr=0x55558cab0650) = 23129
[pid 23129] set_robust_list(0x55558cab0660, 24) = 0
[pid 23129] chdir("./22267")            = 0
[pid 23129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23129] setpgid(0, 0)               = 0
[pid 23129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23129] write(3, "1000", 4)         = 4
[pid 23129] close(3)                    = 0
[pid 23129] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23129] write(1, "executing program\n", 18) = 18
[pid 23129] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23129] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23129] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23129] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23129] exit_group(0)               = ?
[pid 23129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22267", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22267/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22267/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22267")                        = 0
mkdir("./22268", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23130
./strace-static-x86_64: Process 23130 attached
[pid 23130] set_robust_list(0x55558cab0660, 24) = 0
[pid 23130] chdir("./22268")            = 0
[pid 23130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 23130] setpgid(0, 0)               = 0
[pid 23130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23130] write(3, "1000", 4)         = 4
[pid 23130] close(3)                    = 0
[pid 23130] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23130] write(1, "executing program\n", 18) = 18
[pid 23130] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23130] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23130] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23130] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23130] exit_group(0)               = ?
[pid 23130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22268", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22268/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22268/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22268")                        = 0
mkdir("./22269", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23131
./strace-static-x86_64: Process 23131 attached
[pid 23131] set_robust_list(0x55558cab0660, 24) = 0
[pid 23131] chdir("./22269")            = 0
[pid 23131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23131] setpgid(0, 0)               = 0
[pid 23131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23131] write(3, "1000", 4)         = 4
[pid 23131] close(3)                    = 0
[pid 23131] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23131] write(1, "executing program\n", 18) = 18
[pid 23131] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23131] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23131] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23131] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23131] exit_group(0)               = ?
[pid 23131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22269", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22269/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22269/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22269")                        = 0
mkdir("./22270", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23132
./strace-static-x86_64: Process 23132 attached
[pid 23132] set_robust_list(0x55558cab0660, 24) = 0
[pid 23132] chdir("./22270")            = 0
[pid 23132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23132] setpgid(0, 0)               = 0
[pid 23132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23132] write(3, "1000", 4)         = 4
[pid 23132] close(3)                    = 0
[pid 23132] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23132] write(1, "executing program\n", 18) = 18
executing program
[pid 23132] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23132] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23132] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23132] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23132] exit_group(0)               = ?
[pid 23132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22270", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22270/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22270/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22270")                        = 0
mkdir("./22271", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23133 attached
, child_tidptr=0x55558cab0650) = 23133
[pid 23133] set_robust_list(0x55558cab0660, 24) = 0
[pid 23133] chdir("./22271")            = 0
[pid 23133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23133] setpgid(0, 0)               = 0
[pid 23133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23133] write(3, "1000", 4)         = 4
[pid 23133] close(3)                    = 0
[pid 23133] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23133] write(1, "executing program\n", 18executing program
) = 18
[pid 23133] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23133] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23133] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23133] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23133] exit_group(0)               = ?
[pid 23133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22271", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22271/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22271/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22271")                        = 0
mkdir("./22272", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23134 attached
, child_tidptr=0x55558cab0650) = 23134
[pid 23134] set_robust_list(0x55558cab0660, 24) = 0
[pid 23134] chdir("./22272")            = 0
[pid 23134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23134] setpgid(0, 0)               = 0
[pid 23134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23134] write(3, "1000", 4)         = 4
[pid 23134] close(3)                    = 0
[pid 23134] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23134] write(1, "executing program\n", 18) = 18
[pid 23134] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23134] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23134] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23134] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23134] exit_group(0)               = ?
[pid 23134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22272", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22272/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22272/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22272")                        = 0
mkdir("./22273", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23135 attached
, child_tidptr=0x55558cab0650) = 23135
[pid 23135] set_robust_list(0x55558cab0660, 24) = 0
[pid 23135] chdir("./22273")            = 0
[pid 23135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23135] setpgid(0, 0)               = 0
[pid 23135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23135] write(3, "1000", 4)         = 4
[pid 23135] close(3)                    = 0
[pid 23135] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23135] write(1, "executing program\n", 18executing program
) = 18
[pid 23135] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23135] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23135] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23135] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23135] exit_group(0)               = ?
[pid 23135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22273", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22273/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22273/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22273")                        = 0
mkdir("./22274", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23136
./strace-static-x86_64: Process 23136 attached
[pid 23136] set_robust_list(0x55558cab0660, 24) = 0
[pid 23136] chdir("./22274")            = 0
[pid 23136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23136] setpgid(0, 0)               = 0
[pid 23136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23136] write(3, "1000", 4)         = 4
[pid 23136] close(3)                    = 0
[pid 23136] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23136] write(1, "executing program\n", 18) = 18
[pid 23136] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23136] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23136] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23136] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23136] exit_group(0)               = ?
[pid 23136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22274", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22274/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22274/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22274")                        = 0
mkdir("./22275", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23137 attached
, child_tidptr=0x55558cab0650) = 23137
[pid 23137] set_robust_list(0x55558cab0660, 24) = 0
[pid 23137] chdir("./22275")            = 0
[pid 23137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23137] setpgid(0, 0)               = 0
[pid 23137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23137] write(3, "1000", 4)         = 4
[pid 23137] close(3)                    = 0
[pid 23137] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23137] write(1, "executing program\n", 18) = 18
[pid 23137] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23137] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23137] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23137] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23137] exit_group(0)               = ?
[pid 23137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22275", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22275/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22275/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22275")                        = 0
mkdir("./22276", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23138 attached
, child_tidptr=0x55558cab0650) = 23138
[pid 23138] set_robust_list(0x55558cab0660, 24) = 0
[pid 23138] chdir("./22276")            = 0
[pid 23138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23138] setpgid(0, 0)               = 0
[pid 23138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23138] write(3, "1000", 4)         = 4
[pid 23138] close(3)                    = 0
[pid 23138] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23138] write(1, "executing program\n", 18executing program
) = 18
[pid 23138] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23138] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23138] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23138] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23138] exit_group(0)               = ?
[pid 23138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22276", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22276/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22276/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22276")                        = 0
mkdir("./22277", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23139 attached
, child_tidptr=0x55558cab0650) = 23139
[pid 23139] set_robust_list(0x55558cab0660, 24) = 0
[pid 23139] chdir("./22277")            = 0
[pid 23139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23139] setpgid(0, 0)               = 0
[pid 23139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23139] write(3, "1000", 4)         = 4
[pid 23139] close(3)                    = 0
[pid 23139] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23139] write(1, "executing program\n", 18executing program
) = 18
[pid 23139] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23139] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23139] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23139] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23139] exit_group(0)               = ?
[pid 23139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22277", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22277/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22277/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22277")                        = 0
mkdir("./22278", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23140
./strace-static-x86_64: Process 23140 attached
[pid 23140] set_robust_list(0x55558cab0660, 24) = 0
[pid 23140] chdir("./22278")            = 0
[pid 23140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23140] setpgid(0, 0)               = 0
[pid 23140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23140] write(3, "1000", 4)         = 4
[pid 23140] close(3)                    = 0
[pid 23140] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23140] write(1, "executing program\n", 18) = 18
[pid 23140] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23140] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23140] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23140] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23140] exit_group(0)               = ?
[pid 23140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22278", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22278/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22278")                        = 0
mkdir("./22279", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23141
./strace-static-x86_64: Process 23141 attached
[pid 23141] set_robust_list(0x55558cab0660, 24) = 0
[pid 23141] chdir("./22279")            = 0
[pid 23141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23141] setpgid(0, 0)               = 0
[pid 23141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23141] write(3, "1000", 4)         = 4
[pid 23141] close(3)                    = 0
[pid 23141] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23141] write(1, "executing program\n", 18) = 18
[pid 23141] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23141] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23141] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23141] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23141] exit_group(0)               = ?
[pid 23141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22279", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22279/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22279/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22279")                        = 0
mkdir("./22280", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23142 attached
, child_tidptr=0x55558cab0650) = 23142
[pid 23142] set_robust_list(0x55558cab0660, 24) = 0
[pid 23142] chdir("./22280")            = 0
[pid 23142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23142] setpgid(0, 0)               = 0
[pid 23142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23142] write(3, "1000", 4)         = 4
[pid 23142] close(3)                    = 0
[pid 23142] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23142] write(1, "executing program\n", 18) = 18
[pid 23142] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23142] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23142] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23142] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23142] exit_group(0)               = ?
[pid 23142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22280", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22280/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22280/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22280")                        = 0
mkdir("./22281", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23143 attached
, child_tidptr=0x55558cab0650) = 23143
[pid 23143] set_robust_list(0x55558cab0660, 24) = 0
[pid 23143] chdir("./22281")            = 0
[pid 23143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23143] setpgid(0, 0)               = 0
[pid 23143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23143] write(3, "1000", 4)         = 4
[pid 23143] close(3)                    = 0
[pid 23143] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23143] write(1, "executing program\n", 18executing program
) = 18
[pid 23143] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23143] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23143] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23143] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23143] exit_group(0)               = ?
[pid 23143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22281", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22281/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22281")                        = 0
mkdir("./22282", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23144 attached
, child_tidptr=0x55558cab0650) = 23144
[pid 23144] set_robust_list(0x55558cab0660, 24) = 0
[pid 23144] chdir("./22282")            = 0
[pid 23144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23144] setpgid(0, 0)               = 0
[pid 23144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23144] write(3, "1000", 4)         = 4
[pid 23144] close(3)                    = 0
[pid 23144] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23144] write(1, "executing program\n", 18) = 18
[pid 23144] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23144] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23144] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23144] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23144] exit_group(0)               = ?
[pid 23144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22282", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22282/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22282/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22282")                        = 0
mkdir("./22283", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23145 attached
, child_tidptr=0x55558cab0650) = 23145
[pid 23145] set_robust_list(0x55558cab0660, 24) = 0
[pid 23145] chdir("./22283")            = 0
[pid 23145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23145] setpgid(0, 0)               = 0
[pid 23145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23145] write(3, "1000", 4)         = 4
[pid 23145] close(3)                    = 0
[pid 23145] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23145] write(1, "executing program\n", 18) = 18
[pid 23145] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23145] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23145] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23145] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23145] exit_group(0)               = ?
[pid 23145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22283", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22283/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22283/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22283")                        = 0
mkdir("./22284", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23146 attached
, child_tidptr=0x55558cab0650) = 23146
[pid 23146] set_robust_list(0x55558cab0660, 24) = 0
[pid 23146] chdir("./22284")            = 0
[pid 23146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23146] setpgid(0, 0)               = 0
[pid 23146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23146] write(3, "1000", 4)         = 4
[pid 23146] close(3)                    = 0
[pid 23146] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23146] write(1, "executing program\n", 18) = 18
[pid 23146] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23146] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23146] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23146] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23146] exit_group(0)               = ?
[pid 23146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22284", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22284/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22284/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22284")                        = 0
mkdir("./22285", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23147 attached
, child_tidptr=0x55558cab0650) = 23147
[pid 23147] set_robust_list(0x55558cab0660, 24) = 0
[pid 23147] chdir("./22285")            = 0
[pid 23147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23147] setpgid(0, 0)               = 0
[pid 23147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23147] write(3, "1000", 4)         = 4
[pid 23147] close(3)                    = 0
[pid 23147] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23147] write(1, "executing program\n", 18executing program
) = 18
[pid 23147] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23147] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23147] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23147] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23147] exit_group(0)               = ?
[pid 23147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22285", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22285/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22285/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22285")                        = 0
mkdir("./22286", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23148 attached
, child_tidptr=0x55558cab0650) = 23148
[pid 23148] set_robust_list(0x55558cab0660, 24) = 0
[pid 23148] chdir("./22286")            = 0
[pid 23148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23148] setpgid(0, 0)               = 0
[pid 23148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23148] write(3, "1000", 4)         = 4
[pid 23148] close(3)                    = 0
[pid 23148] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23148] write(1, "executing program\n", 18executing program
) = 18
[pid 23148] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23148] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23148] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23148] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23148] exit_group(0)               = ?
[pid 23148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22286", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22286/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22286/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22286"executing program
)                        = 0
mkdir("./22287", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23149
./strace-static-x86_64: Process 23149 attached
[pid 23149] set_robust_list(0x55558cab0660, 24) = 0
[pid 23149] chdir("./22287")            = 0
[pid 23149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23149] setpgid(0, 0)               = 0
[pid 23149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23149] write(3, "1000", 4)         = 4
[pid 23149] close(3)                    = 0
[pid 23149] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23149] write(1, "executing program\n", 18) = 18
[pid 23149] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23149] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23149] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23149] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23149] exit_group(0)               = ?
[pid 23149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22287", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22287/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22287/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22287")                        = 0
mkdir("./22288", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23151 attached
, child_tidptr=0x55558cab0650) = 23151
[pid 23151] set_robust_list(0x55558cab0660, 24) = 0
[pid 23151] chdir("./22288")            = 0
[pid 23151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23151] setpgid(0, 0)               = 0
[pid 23151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23151] write(3, "1000", 4)         = 4
[pid 23151] close(3)                    = 0
[pid 23151] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23151] write(1, "executing program\n", 18) = 18
[pid 23151] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23151] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23151] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23151] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23151] exit_group(0)               = ?
[pid 23151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22288", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22288/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22288")                        = 0
mkdir("./22289", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23152
./strace-static-x86_64: Process 23152 attached
[pid 23152] set_robust_list(0x55558cab0660, 24) = 0
[pid 23152] chdir("./22289")            = 0
[pid 23152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23152] setpgid(0, 0)               = 0
[pid 23152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23152] write(3, "1000", 4)         = 4
[pid 23152] close(3)                    = 0
[pid 23152] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23152] write(1, "executing program\n", 18) = 18
[pid 23152] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23152] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23152] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23152] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23152] exit_group(0)               = ?
[pid 23152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22289", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22289/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22289/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22289")                        = 0
mkdir("./22290", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23153 attached
, child_tidptr=0x55558cab0650) = 23153
[pid 23153] set_robust_list(0x55558cab0660, 24) = 0
[pid 23153] chdir("./22290")            = 0
[pid 23153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23153] setpgid(0, 0)               = 0
[pid 23153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23153] write(3, "1000", 4)         = 4
[pid 23153] close(3)                    = 0
[pid 23153] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23153] write(1, "executing program\n", 18) = 18
[pid 23153] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23153] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23153] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23153] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23153] exit_group(0)               = ?
[pid 23153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22290", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22290/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22290/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22290")                        = 0
mkdir("./22291", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23154 attached
, child_tidptr=0x55558cab0650) = 23154
[pid 23154] set_robust_list(0x55558cab0660, 24) = 0
[pid 23154] chdir("./22291")            = 0
[pid 23154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23154] setpgid(0, 0)               = 0
[pid 23154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23154] write(3, "1000", 4)         = 4
[pid 23154] close(3)                    = 0
[pid 23154] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23154] write(1, "executing program\n", 18) = 18
[pid 23154] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23154] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23154] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23154] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23154] exit_group(0)               = ?
[pid 23154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22291", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22291/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22291/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22291")                        = 0
mkdir("./22292", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23155
./strace-static-x86_64: Process 23155 attached
[pid 23155] set_robust_list(0x55558cab0660, 24) = 0
[pid 23155] chdir("./22292")            = 0
[pid 23155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23155] setpgid(0, 0)               = 0
[pid 23155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23155] write(3, "1000", 4)         = 4
[pid 23155] close(3)                    = 0
[pid 23155] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23155] write(1, "executing program\n", 18executing program
) = 18
[pid 23155] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23155] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23155] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23155] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23155] exit_group(0)               = ?
[pid 23155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22292", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22292/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22292/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22292")                        = 0
mkdir("./22293", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23156 attached
, child_tidptr=0x55558cab0650) = 23156
[pid 23156] set_robust_list(0x55558cab0660, 24) = 0
[pid 23156] chdir("./22293")            = 0
[pid 23156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23156] setpgid(0, 0)               = 0
[pid 23156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23156] write(3, "1000", 4)         = 4
[pid 23156] close(3)                    = 0
[pid 23156] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23156] write(1, "executing program\n", 18) = 18
[pid 23156] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23156] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23156] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23156] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23156] exit_group(0)               = ?
[pid 23156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22293", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22293/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22293/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22293")                        = 0
mkdir("./22294", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23157 attached
, child_tidptr=0x55558cab0650) = 23157
[pid 23157] set_robust_list(0x55558cab0660, 24) = 0
[pid 23157] chdir("./22294")            = 0
[pid 23157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23157] setpgid(0, 0)               = 0
[pid 23157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23157] write(3, "1000", 4)         = 4
[pid 23157] close(3)                    = 0
[pid 23157] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23157] write(1, "executing program\n", 18executing program
) = 18
[pid 23157] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23157] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23157] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23157] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23157] exit_group(0)               = ?
[pid 23157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22294", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22294/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22294/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22294")                        = 0
mkdir("./22295", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23158 attached
, child_tidptr=0x55558cab0650) = 23158
[pid 23158] set_robust_list(0x55558cab0660, 24) = 0
[pid 23158] chdir("./22295")            = 0
[pid 23158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23158] setpgid(0, 0)               = 0
[pid 23158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23158] write(3, "1000", 4)         = 4
[pid 23158] close(3)                    = 0
[pid 23158] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23158] write(1, "executing program\n", 18) = 18
[pid 23158] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23158] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23158] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23158] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23158] exit_group(0)               = ?
[pid 23158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22295", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22295/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22295/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22295")                        = 0
mkdir("./22296", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23159 attached
, child_tidptr=0x55558cab0650) = 23159
[pid 23159] set_robust_list(0x55558cab0660, 24) = 0
[pid 23159] chdir("./22296")            = 0
[pid 23159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23159] setpgid(0, 0)               = 0
[pid 23159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23159] write(3, "1000", 4)         = 4
[pid 23159] close(3)                    = 0
[pid 23159] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23159] write(1, "executing program\n", 18) = 18
[pid 23159] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23159] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23159] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23159] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23159] exit_group(0)               = ?
[pid 23159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22296", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22296/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22296/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22296")                        = 0
mkdir("./22297", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23160
./strace-static-x86_64: Process 23160 attached
[pid 23160] set_robust_list(0x55558cab0660, 24) = 0
[pid 23160] chdir("./22297")            = 0
[pid 23160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23160] setpgid(0, 0)               = 0
[pid 23160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23160] write(3, "1000", 4)         = 4
[pid 23160] close(3)                    = 0
[pid 23160] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23160] write(1, "executing program\n", 18executing program
) = 18
[pid 23160] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23160] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23160] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23160] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23160] exit_group(0)               = ?
[pid 23160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22297", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22297/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22297/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22297")                        = 0
mkdir("./22298", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23161
./strace-static-x86_64: Process 23161 attached
[pid 23161] set_robust_list(0x55558cab0660, 24) = 0
[pid 23161] chdir("./22298")            = 0
[pid 23161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23161] setpgid(0, 0)               = 0
[pid 23161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23161] write(3, "1000", 4)         = 4
[pid 23161] close(3)                    = 0
[pid 23161] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23161] write(1, "executing program\n", 18) = 18
[pid 23161] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23161] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23161] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23161] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23161] exit_group(0)               = ?
[pid 23161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22298", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22298/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22298")                        = 0
mkdir("./22299", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23162 attached
, child_tidptr=0x55558cab0650) = 23162
[pid 23162] set_robust_list(0x55558cab0660, 24) = 0
[pid 23162] chdir("./22299")            = 0
[pid 23162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23162] setpgid(0, 0)               = 0
[pid 23162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23162] write(3, "1000", 4)         = 4
[pid 23162] close(3)                    = 0
[pid 23162] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23162] write(1, "executing program\n", 18executing program
) = 18
[pid 23162] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23162] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23162] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23162] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23162] exit_group(0)               = ?
[pid 23162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22299", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22299/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22299")                        = 0
mkdir("./22300", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23163 attached
, child_tidptr=0x55558cab0650) = 23163
[pid 23163] set_robust_list(0x55558cab0660, 24) = 0
[pid 23163] chdir("./22300")            = 0
[pid 23163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23163] setpgid(0, 0)               = 0
[pid 23163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23163] write(3, "1000", 4)         = 4
[pid 23163] close(3)                    = 0
[pid 23163] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23163] write(1, "executing program\n", 18executing program
) = 18
[pid 23163] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23163] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23163] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23163] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23163] exit_group(0)               = ?
[pid 23163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22300", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22300/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22300")                        = 0
mkdir("./22301", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23164 attached
, child_tidptr=0x55558cab0650) = 23164
[pid 23164] set_robust_list(0x55558cab0660, 24) = 0
[pid 23164] chdir("./22301")            = 0
[pid 23164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23164] setpgid(0, 0)               = 0
[pid 23164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23164] write(3, "1000", 4)         = 4
[pid 23164] close(3)                    = 0
[pid 23164] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23164] write(1, "executing program\n", 18) = 18
[pid 23164] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23164] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23164] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23164] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23164] exit_group(0)               = ?
[pid 23164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22301", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22301/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22301/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22301")                        = 0
mkdir("./22302", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23165 attached
, child_tidptr=0x55558cab0650) = 23165
[pid 23165] set_robust_list(0x55558cab0660, 24) = 0
[pid 23165] chdir("./22302")            = 0
[pid 23165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23165] setpgid(0, 0)               = 0
[pid 23165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23165] write(3, "1000", 4)         = 4
[pid 23165] close(3)                    = 0
[pid 23165] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23165] write(1, "executing program\n", 18) = 18
[pid 23165] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23165] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23165] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23165] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23165] exit_group(0)               = ?
[pid 23165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22302", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22302/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22302/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22302")                        = 0
mkdir("./22303", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23166 attached
, child_tidptr=0x55558cab0650) = 23166
[pid 23166] set_robust_list(0x55558cab0660, 24) = 0
[pid 23166] chdir("./22303")            = 0
[pid 23166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23166] setpgid(0, 0)               = 0
[pid 23166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23166] write(3, "1000", 4)         = 4
[pid 23166] close(3)                    = 0
[pid 23166] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23166] write(1, "executing program\n", 18) = 18
[pid 23166] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23166] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23166] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23166] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23166] exit_group(0)               = ?
[pid 23166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22303", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22303/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22303")                        = 0
mkdir("./22304", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23167 attached
, child_tidptr=0x55558cab0650) = 23167
[pid 23167] set_robust_list(0x55558cab0660, 24) = 0
[pid 23167] chdir("./22304")            = 0
[pid 23167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23167] setpgid(0, 0)               = 0
[pid 23167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23167] write(3, "1000", 4)         = 4
[pid 23167] close(3)                    = 0
[pid 23167] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23167] write(1, "executing program\n", 18) = 18
[pid 23167] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23167] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23167] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23167] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23167] exit_group(0)               = ?
[pid 23167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22304", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22304/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22304/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22304")                        = 0
mkdir("./22305", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23168
./strace-static-x86_64: Process 23168 attached
[pid 23168] set_robust_list(0x55558cab0660, 24) = 0
[pid 23168] chdir("./22305")            = 0
[pid 23168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23168] setpgid(0, 0)               = 0
[pid 23168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23168] write(3, "1000", 4)         = 4
[pid 23168] close(3)                    = 0
[pid 23168] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23168] write(1, "executing program\n", 18) = 18
[pid 23168] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23168] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23168] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23168] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23168] exit_group(0)               = ?
[pid 23168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22305", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22305/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22305")                        = 0
mkdir("./22306", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23169 attached
, child_tidptr=0x55558cab0650) = 23169
[pid 23169] set_robust_list(0x55558cab0660, 24) = 0
[pid 23169] chdir("./22306")            = 0
[pid 23169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23169] setpgid(0, 0)               = 0
[pid 23169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23169] write(3, "1000", 4)         = 4
[pid 23169] close(3)                    = 0
[pid 23169] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23169] write(1, "executing program\n", 18executing program
) = 18
[pid 23169] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23169] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23169] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23169] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23169] exit_group(0)               = ?
[pid 23169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22306", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22306/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22306/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22306")                        = 0
mkdir("./22307", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23170
./strace-static-x86_64: Process 23170 attached
[pid 23170] set_robust_list(0x55558cab0660, 24) = 0
[pid 23170] chdir("./22307")            = 0
[pid 23170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23170] setpgid(0, 0)               = 0
[pid 23170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23170] write(3, "1000", 4)         = 4
[pid 23170] close(3)                    = 0
[pid 23170] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23170] write(1, "executing program\n", 18) = 18
[pid 23170] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23170] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23170] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23170] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23170] exit_group(0)               = ?
[pid 23170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22307", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22307/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22307/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22307")                        = 0
mkdir("./22308", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23171
./strace-static-x86_64: Process 23171 attached
[pid 23171] set_robust_list(0x55558cab0660, 24) = 0
[pid 23171] chdir("./22308")            = 0
[pid 23171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23171] setpgid(0, 0)               = 0
[pid 23171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23171] write(3, "1000", 4)         = 4
[pid 23171] close(3)                    = 0
[pid 23171] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23171] write(1, "executing program\n", 18executing program
) = 18
[pid 23171] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23171] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23171] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23171] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23171] exit_group(0)               = ?
[pid 23171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22308", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22308/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22308/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22308")                        = 0
mkdir("./22309", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23172
./strace-static-x86_64: Process 23172 attached
[pid 23172] set_robust_list(0x55558cab0660, 24) = 0
[pid 23172] chdir("./22309")            = 0
[pid 23172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23172] setpgid(0, 0)               = 0
[pid 23172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23172] write(3, "1000", 4)         = 4
[pid 23172] close(3)                    = 0
[pid 23172] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23172] write(1, "executing program\n", 18executing program
) = 18
[pid 23172] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23172] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23172] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23172] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23172] exit_group(0)               = ?
[pid 23172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22309", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22309/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22309/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22309")                        = 0
mkdir("./22310", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23173 attached
, child_tidptr=0x55558cab0650) = 23173
[pid 23173] set_robust_list(0x55558cab0660, 24) = 0
[pid 23173] chdir("./22310")            = 0
[pid 23173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23173] setpgid(0, 0)               = 0
[pid 23173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23173] write(3, "1000", 4)         = 4
[pid 23173] close(3)                    = 0
[pid 23173] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23173] write(1, "executing program\n", 18) = 18
[pid 23173] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23173] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23173] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23173] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23173] exit_group(0)               = ?
[pid 23173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22310", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22310/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22310/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22310")                        = 0
mkdir("./22311", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23174 attached
, child_tidptr=0x55558cab0650) = 23174
[pid 23174] set_robust_list(0x55558cab0660, 24) = 0
[pid 23174] chdir("./22311")            = 0
[pid 23174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23174] setpgid(0, 0)               = 0
[pid 23174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23174] write(3, "1000", 4)         = 4
[pid 23174] close(3)                    = 0
[pid 23174] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23174] write(1, "executing program\n", 18) = 18
[pid 23174] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23174] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23174] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23174] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23174] exit_group(0)               = ?
[pid 23174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22311", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22311/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22311/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22311")                        = 0
mkdir("./22312", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23175
./strace-static-x86_64: Process 23175 attached
[pid 23175] set_robust_list(0x55558cab0660, 24) = 0
[pid 23175] chdir("./22312")            = 0
[pid 23175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23175] setpgid(0, 0)               = 0
[pid 23175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23175] write(3, "1000", 4)         = 4
[pid 23175] close(3)                    = 0
[pid 23175] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23175] write(1, "executing program\n", 18) = 18
[pid 23175] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23175] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23175] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23175] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23175] exit_group(0)               = ?
[pid 23175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22312", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22312/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22312/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22312")                        = 0
mkdir("./22313", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23176 attached
, child_tidptr=0x55558cab0650) = 23176
[pid 23176] set_robust_list(0x55558cab0660, 24) = 0
[pid 23176] chdir("./22313")            = 0
[pid 23176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23176] setpgid(0, 0)               = 0
[pid 23176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23176] write(3, "1000", 4)         = 4
[pid 23176] close(3)                    = 0
[pid 23176] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23176] write(1, "executing program\n", 18) = 18
[pid 23176] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23176] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23176] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23176] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23176] exit_group(0)               = ?
[pid 23176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22313", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22313/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22313/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22313")                        = 0
mkdir("./22314", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23177
./strace-static-x86_64: Process 23177 attached
[pid 23177] set_robust_list(0x55558cab0660, 24) = 0
[pid 23177] chdir("./22314")            = 0
[pid 23177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23177] setpgid(0, 0)               = 0
[pid 23177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23177] write(3, "1000", 4)         = 4
[pid 23177] close(3)                    = 0
[pid 23177] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23177] write(1, "executing program\n", 18) = 18
[pid 23177] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23177] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23177] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23177] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23177] exit_group(0)               = ?
[pid 23177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22314", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22314/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22314/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22314")                        = 0
mkdir("./22315", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23178
./strace-static-x86_64: Process 23178 attached
[pid 23178] set_robust_list(0x55558cab0660, 24) = 0
[pid 23178] chdir("./22315")            = 0
[pid 23178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23178] setpgid(0, 0)               = 0
[pid 23178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23178] write(3, "1000", 4)         = 4
[pid 23178] close(3)                    = 0
[pid 23178] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23178] write(1, "executing program\n", 18) = 18
[pid 23178] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23178] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23178] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23178] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23178] exit_group(0)               = ?
[pid 23178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22315", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22315/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22315/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22315")                        = 0
mkdir("./22316", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23179 attached
, child_tidptr=0x55558cab0650) = 23179
[pid 23179] set_robust_list(0x55558cab0660, 24) = 0
[pid 23179] chdir("./22316")            = 0
[pid 23179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23179] setpgid(0, 0)               = 0
[pid 23179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23179] write(3, "1000", 4)         = 4
[pid 23179] close(3)                    = 0
[pid 23179] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23179] write(1, "executing program\n", 18executing program
) = 18
[pid 23179] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23179] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23179] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23179] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23179] exit_group(0)               = ?
[pid 23179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22316", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22316/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22316/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22316")                        = 0
mkdir("./22317", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23180
./strace-static-x86_64: Process 23180 attached
[pid 23180] set_robust_list(0x55558cab0660, 24) = 0
[pid 23180] chdir("./22317")            = 0
[pid 23180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23180] setpgid(0, 0)               = 0
[pid 23180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23180] write(3, "1000", 4)         = 4
[pid 23180] close(3)                    = 0
[pid 23180] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23180] write(1, "executing program\n", 18) = 18
[pid 23180] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23180] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23180] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23180] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23180] exit_group(0)               = ?
[pid 23180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22317", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22317/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22317")                        = 0
mkdir("./22318", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23181 attached
, child_tidptr=0x55558cab0650) = 23181
[pid 23181] set_robust_list(0x55558cab0660, 24) = 0
[pid 23181] chdir("./22318")            = 0
[pid 23181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23181] setpgid(0, 0)               = 0
[pid 23181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23181] write(3, "1000", 4)         = 4
[pid 23181] close(3)                    = 0
[pid 23181] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23181] write(1, "executing program\n", 18executing program
) = 18
[pid 23181] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23181] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23181] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23181] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23181] exit_group(0)               = ?
[pid 23181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22318", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22318/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22318/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22318")                        = 0
mkdir("./22319", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23182
./strace-static-x86_64: Process 23182 attached
[pid 23182] set_robust_list(0x55558cab0660, 24) = 0
[pid 23182] chdir("./22319")            = 0
[pid 23182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23182] setpgid(0, 0)               = 0
[pid 23182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23182] write(3, "1000", 4)         = 4
[pid 23182] close(3)                    = 0
[pid 23182] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23182] write(1, "executing program\n", 18) = 18
[pid 23182] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23182] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23182] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23182] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23182] exit_group(0)               = ?
[pid 23182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22319", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22319/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22319/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22319")                        = 0
mkdir("./22320", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23183
./strace-static-x86_64: Process 23183 attached
[pid 23183] set_robust_list(0x55558cab0660, 24) = 0
[pid 23183] chdir("./22320")            = 0
[pid 23183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23183] setpgid(0, 0)               = 0
[pid 23183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23183] write(3, "1000", 4)         = 4
[pid 23183] close(3)                    = 0
[pid 23183] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23183] write(1, "executing program\n", 18executing program
) = 18
[pid 23183] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23183] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23183] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23183] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23183] exit_group(0)               = ?
[pid 23183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22320", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22320/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22320/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22320")                        = 0
mkdir("./22321", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23184 attached
, child_tidptr=0x55558cab0650) = 23184
[pid 23184] set_robust_list(0x55558cab0660, 24) = 0
[pid 23184] chdir("./22321")            = 0
[pid 23184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23184] setpgid(0, 0)               = 0
[pid 23184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23184] write(3, "1000", 4)         = 4
[pid 23184] close(3)                    = 0
[pid 23184] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23184] write(1, "executing program\n", 18) = 18
[pid 23184] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23184] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23184] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23184] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23184] exit_group(0)               = ?
[pid 23184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22321", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22321/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22321/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22321")                        = 0
mkdir("./22322", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23185 attached
, child_tidptr=0x55558cab0650) = 23185
[pid 23185] set_robust_list(0x55558cab0660, 24) = 0
[pid 23185] chdir("./22322")            = 0
[pid 23185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23185] setpgid(0, 0)               = 0
[pid 23185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23185] write(3, "1000", 4)         = 4
[pid 23185] close(3)                    = 0
[pid 23185] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23185] write(1, "executing program\n", 18executing program
) = 18
[pid 23185] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23185] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23185] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23185] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23185] exit_group(0)               = ?
[pid 23185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22322", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22322/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22322")                        = 0
mkdir("./22323", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23186
./strace-static-x86_64: Process 23186 attached
[pid 23186] set_robust_list(0x55558cab0660, 24) = 0
[pid 23186] chdir("./22323")            = 0
[pid 23186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23186] setpgid(0, 0)               = 0
[pid 23186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23186] write(3, "1000", 4)         = 4
[pid 23186] close(3)                    = 0
[pid 23186] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23186] write(1, "executing program\n", 18) = 18
[pid 23186] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23186] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23186] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23186] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23186] exit_group(0)               = ?
[pid 23186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22323", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22323/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22323/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22323")                        = 0
mkdir("./22324", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23187
./strace-static-x86_64: Process 23187 attached
[pid 23187] set_robust_list(0x55558cab0660, 24) = 0
[pid 23187] chdir("./22324")            = 0
[pid 23187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23187] setpgid(0, 0)               = 0
[pid 23187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23187] write(3, "1000", 4)         = 4
[pid 23187] close(3)                    = 0
[pid 23187] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23187] write(1, "executing program\n", 18) = 18
[pid 23187] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23187] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23187] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23187] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23187] exit_group(0)               = ?
[pid 23187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22324", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22324/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22324/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22324")                        = 0
mkdir("./22325", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23188 attached
, child_tidptr=0x55558cab0650) = 23188
[pid 23188] set_robust_list(0x55558cab0660, 24) = 0
[pid 23188] chdir("./22325")            = 0
[pid 23188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23188] setpgid(0, 0)               = 0
[pid 23188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23188] write(3, "1000", 4)         = 4
[pid 23188] close(3)                    = 0
[pid 23188] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23188] write(1, "executing program\n", 18executing program
) = 18
[pid 23188] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23188] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23188] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23188] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23188] exit_group(0)               = ?
[pid 23188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22325", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22325/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22325/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22325")                        = 0
mkdir("./22326", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23189 attached
, child_tidptr=0x55558cab0650) = 23189
[pid 23189] set_robust_list(0x55558cab0660, 24) = 0
[pid 23189] chdir("./22326")            = 0
[pid 23189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23189] setpgid(0, 0)               = 0
[pid 23189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23189] write(3, "1000", 4)         = 4
[pid 23189] close(3)                    = 0
[pid 23189] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23189] write(1, "executing program\n", 18executing program
) = 18
[pid 23189] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23189] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23189] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23189] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23189] exit_group(0)               = ?
[pid 23189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22326", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22326/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22326/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22326")                        = 0
mkdir("./22327", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23190 attached
, child_tidptr=0x55558cab0650) = 23190
[pid 23190] set_robust_list(0x55558cab0660, 24) = 0
[pid 23190] chdir("./22327")            = 0
[pid 23190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23190] setpgid(0, 0)               = 0
[pid 23190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23190] write(3, "1000", 4)         = 4
[pid 23190] close(3)                    = 0
[pid 23190] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23190] write(1, "executing program\n", 18) = 18
[pid 23190] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23190] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23190] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23190] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23190] exit_group(0)               = ?
[pid 23190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22327", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22327/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22327/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22327")                        = 0
mkdir("./22328", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23191
./strace-static-x86_64: Process 23191 attached
[pid 23191] set_robust_list(0x55558cab0660, 24) = 0
[pid 23191] chdir("./22328")            = 0
[pid 23191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23191] setpgid(0, 0)               = 0
[pid 23191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23191] write(3, "1000", 4)         = 4
[pid 23191] close(3)                    = 0
[pid 23191] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23191] write(1, "executing program\n", 18) = 18
[pid 23191] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23191] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23191] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23191] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23191] exit_group(0)               = ?
[pid 23191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22328", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22328/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22328/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22328")                        = 0
mkdir("./22329", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23192 attached
, child_tidptr=0x55558cab0650) = 23192
[pid 23192] set_robust_list(0x55558cab0660, 24) = 0
[pid 23192] chdir("./22329")            = 0
[pid 23192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23192] setpgid(0, 0)               = 0
[pid 23192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23192] write(3, "1000", 4)         = 4
[pid 23192] close(3)                    = 0
[pid 23192] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23192] write(1, "executing program\n", 18) = 18
[pid 23192] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23192] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23192] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23192] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23192] exit_group(0)               = ?
[pid 23192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23192, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22329", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22329/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22329/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22329/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22329")                        = 0
mkdir("./22330", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23193
./strace-static-x86_64: Process 23193 attached
[pid 23193] set_robust_list(0x55558cab0660, 24) = 0
[pid 23193] chdir("./22330")            = 0
[pid 23193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23193] setpgid(0, 0)               = 0
[pid 23193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23193] write(3, "1000", 4)         = 4
[pid 23193] close(3)                    = 0
[pid 23193] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23193] write(1, "executing program\n", 18executing program
) = 18
[pid 23193] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23193] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23193] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23193] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23193] exit_group(0)               = ?
[pid 23193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22330", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22330/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22330/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22330")                        = 0
mkdir("./22331", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23194 attached
, child_tidptr=0x55558cab0650) = 23194
[pid 23194] set_robust_list(0x55558cab0660, 24) = 0
[pid 23194] chdir("./22331")            = 0
[pid 23194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23194] setpgid(0, 0)               = 0
[pid 23194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23194] write(3, "1000", 4)         = 4
[pid 23194] close(3)                    = 0
executing program
[pid 23194] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23194] write(1, "executing program\n", 18) = 18
[pid 23194] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23194] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23194] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23194] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23194] exit_group(0)               = ?
[pid 23194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22331", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22331/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22331/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22331")                        = 0
mkdir("./22332", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23195 attached
, child_tidptr=0x55558cab0650) = 23195
[pid 23195] set_robust_list(0x55558cab0660, 24) = 0
[pid 23195] chdir("./22332")            = 0
[pid 23195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23195] setpgid(0, 0)               = 0
[pid 23195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23195] write(3, "1000", 4)         = 4
[pid 23195] close(3)                    = 0
[pid 23195] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23195] write(1, "executing program\n", 18) = 18
[pid 23195] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23195] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23195] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23195] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23195] exit_group(0)               = ?
[pid 23195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22332", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22332/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22332/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22332")                        = 0
mkdir("./22333", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23196
./strace-static-x86_64: Process 23196 attached
[pid 23196] set_robust_list(0x55558cab0660, 24) = 0
[pid 23196] chdir("./22333")            = 0
[pid 23196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23196] setpgid(0, 0)               = 0
[pid 23196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23196] write(3, "1000", 4)         = 4
[pid 23196] close(3)                    = 0
executing program
[pid 23196] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23196] write(1, "executing program\n", 18) = 18
[pid 23196] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23196] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23196] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23196] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23196] exit_group(0)               = ?
[pid 23196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22333", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22333/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22333/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22333")                        = 0
mkdir("./22334", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23197 attached
, child_tidptr=0x55558cab0650) = 23197
[pid 23197] set_robust_list(0x55558cab0660, 24) = 0
[pid 23197] chdir("./22334")            = 0
[pid 23197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23197] setpgid(0, 0)               = 0
[pid 23197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23197] write(3, "1000", 4)         = 4
[pid 23197] close(3)                    = 0
[pid 23197] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23197] write(1, "executing program\n", 18executing program
) = 18
[pid 23197] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23197] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23197] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23197] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23197] exit_group(0)               = ?
[pid 23197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22334", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22334/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22334/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22334")                        = 0
mkdir("./22335", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23198 attached
, child_tidptr=0x55558cab0650) = 23198
[pid 23198] set_robust_list(0x55558cab0660, 24) = 0
[pid 23198] chdir("./22335")            = 0
[pid 23198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23198] setpgid(0, 0)               = 0
[pid 23198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23198] write(3, "1000", 4)         = 4
[pid 23198] close(3)                    = 0
[pid 23198] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23198] write(1, "executing program\n", 18executing program
) = 18
[pid 23198] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23198] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23198] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23198] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23198] exit_group(0)               = ?
[pid 23198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22335", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22335/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22335/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22335")                        = 0
mkdir("./22336", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23199 attached
, child_tidptr=0x55558cab0650) = 23199
[pid 23199] set_robust_list(0x55558cab0660, 24) = 0
[pid 23199] chdir("./22336")            = 0
[pid 23199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23199] setpgid(0, 0)               = 0
[pid 23199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23199] write(3, "1000", 4)         = 4
[pid 23199] close(3)                    = 0
[pid 23199] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23199] write(1, "executing program\n", 18) = 18
[pid 23199] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23199] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23199] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23199] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23199] exit_group(0)               = ?
[pid 23199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22336", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22336/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22336/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22336")                        = 0
mkdir("./22337", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23200 attached
, child_tidptr=0x55558cab0650) = 23200
[pid 23200] set_robust_list(0x55558cab0660, 24) = 0
[pid 23200] chdir("./22337")            = 0
[pid 23200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23200] setpgid(0, 0)               = 0
[pid 23200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23200] write(3, "1000", 4)         = 4
[pid 23200] close(3)                    = 0
[pid 23200] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23200] write(1, "executing program\n", 18) = 18
[pid 23200] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23200] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23200] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23200] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23200] exit_group(0)               = ?
[pid 23200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22337", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22337/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22337/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22337")                        = 0
mkdir("./22338", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23201 attached
, child_tidptr=0x55558cab0650) = 23201
[pid 23201] set_robust_list(0x55558cab0660, 24) = 0
[pid 23201] chdir("./22338")            = 0
[pid 23201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23201] setpgid(0, 0)               = 0
[pid 23201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23201] write(3, "1000", 4)         = 4
[pid 23201] close(3)                    = 0
[pid 23201] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23201] write(1, "executing program\n", 18executing program
) = 18
[pid 23201] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23201] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23201] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23201] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23201] exit_group(0)               = ?
[pid 23201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22338", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22338/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22338/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22338")                        = 0
mkdir("./22339", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23202 attached
, child_tidptr=0x55558cab0650) = 23202
[pid 23202] set_robust_list(0x55558cab0660, 24) = 0
[pid 23202] chdir("./22339")            = 0
[pid 23202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23202] setpgid(0, 0)               = 0
[pid 23202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23202] write(3, "1000", 4)         = 4
[pid 23202] close(3)                    = 0
[pid 23202] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23202] write(1, "executing program\n", 18) = 18
[pid 23202] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23202] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23202] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23202] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23202] exit_group(0)               = ?
[pid 23202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22339", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22339/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22339/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22339")                        = 0
mkdir("./22340", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23203
./strace-static-x86_64: Process 23203 attached
[pid 23203] set_robust_list(0x55558cab0660, 24) = 0
[pid 23203] chdir("./22340")            = 0
[pid 23203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23203] setpgid(0, 0)               = 0
[pid 23203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23203] write(3, "1000", 4)         = 4
[pid 23203] close(3)                    = 0
[pid 23203] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23203] write(1, "executing program\n", 18) = 18
[pid 23203] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23203] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23203] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23203] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23203] exit_group(0)               = ?
[pid 23203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22340", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22340/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22340/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22340")                        = 0
mkdir("./22341", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23204
./strace-static-x86_64: Process 23204 attached
[pid 23204] set_robust_list(0x55558cab0660, 24) = 0
[pid 23204] chdir("./22341")            = 0
[pid 23204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23204] setpgid(0, 0)               = 0
[pid 23204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23204] write(3, "1000", 4)         = 4
[pid 23204] close(3)                    = 0
[pid 23204] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23204] write(1, "executing program\n", 18) = 18
[pid 23204] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23204] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23204] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23204] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23204] exit_group(0)               = ?
[pid 23204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22341", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22341/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22341/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22341")                        = 0
mkdir("./22342", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23205
./strace-static-x86_64: Process 23205 attached
[pid 23205] set_robust_list(0x55558cab0660, 24) = 0
[pid 23205] chdir("./22342")            = 0
[pid 23205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23205] setpgid(0, 0)               = 0
[pid 23205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23205] write(3, "1000", 4)         = 4
[pid 23205] close(3)                    = 0
[pid 23205] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23205] write(1, "executing program\n", 18) = 18
[pid 23205] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23205] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23205] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23205] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23205] exit_group(0)               = ?
[pid 23205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22342", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22342/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22342/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22342/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22342")                        = 0
mkdir("./22343", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23206
./strace-static-x86_64: Process 23206 attached
[pid 23206] set_robust_list(0x55558cab0660, 24) = 0
[pid 23206] chdir("./22343")            = 0
[pid 23206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23206] setpgid(0, 0)               = 0
[pid 23206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23206] write(3, "1000", 4)         = 4
[pid 23206] close(3)                    = 0
[pid 23206] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23206] write(1, "executing program\n", 18) = 18
[pid 23206] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23206] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23206] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23206] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23206] exit_group(0)               = ?
[pid 23206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22343", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22343/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22343/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22343/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22343")                        = 0
mkdir("./22344", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23207
./strace-static-x86_64: Process 23207 attached
[pid 23207] set_robust_list(0x55558cab0660, 24) = 0
[pid 23207] chdir("./22344")            = 0
[pid 23207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23207] setpgid(0, 0)               = 0
[pid 23207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23207] write(3, "1000", 4)         = 4
[pid 23207] close(3)                    = 0
[pid 23207] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23207] write(1, "executing program\n", 18) = 18
[pid 23207] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23207] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23207] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23207] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23207] exit_group(0)               = ?
[pid 23207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22344", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22344/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22344/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22344/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22344")                        = 0
mkdir("./22345", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23208 attached
 <unfinished ...>
[pid 23208] set_robust_list(0x55558cab0660, 24) = 0
[pid   564] <... clone resumed>, child_tidptr=0x55558cab0650) = 23208
[pid 23208] chdir("./22345")            = 0
[pid 23208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23208] setpgid(0, 0)               = 0
[pid 23208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23208] write(3, "1000", 4)         = 4
[pid 23208] close(3)                    = 0
[pid 23208] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23208] write(1, "executing program\n", 18) = 18
[pid 23208] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23208] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23208] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23208] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23208] exit_group(0)               = ?
[pid 23208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22345", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22345/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22345/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22345")                        = 0
mkdir("./22346", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23209 attached
, child_tidptr=0x55558cab0650) = 23209
[pid 23209] set_robust_list(0x55558cab0660, 24) = 0
[pid 23209] chdir("./22346")            = 0
[pid 23209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23209] setpgid(0, 0)               = 0
[pid 23209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23209] write(3, "1000", 4)         = 4
[pid 23209] close(3)                    = 0
[pid 23209] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23209] write(1, "executing program\n", 18) = 18
[pid 23209] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23209] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23209] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23209] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23209] exit_group(0)               = ?
[pid 23209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22346", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22346/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22346/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22346")                        = 0
mkdir("./22347", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23210 attached
, child_tidptr=0x55558cab0650) = 23210
[pid 23210] set_robust_list(0x55558cab0660, 24) = 0
[pid 23210] chdir("./22347")            = 0
[pid 23210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23210] setpgid(0, 0)               = 0
[pid 23210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23210] write(3, "1000", 4)         = 4
[pid 23210] close(3)                    = 0
[pid 23210] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23210] write(1, "executing program\n", 18) = 18
[pid 23210] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23210] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23210] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23210] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23210] exit_group(0)               = ?
[pid 23210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22347", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22347/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22347/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22347")                        = 0
mkdir("./22348", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23211
./strace-static-x86_64: Process 23211 attached
[pid 23211] set_robust_list(0x55558cab0660, 24) = 0
[pid 23211] chdir("./22348")            = 0
[pid 23211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23211] setpgid(0, 0)               = 0
executing program
[pid 23211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23211] write(3, "1000", 4)         = 4
[pid 23211] close(3)                    = 0
[pid 23211] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23211] write(1, "executing program\n", 18) = 18
[pid 23211] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23211] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23211] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23211] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23211] exit_group(0)               = ?
[pid 23211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22348", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22348/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22348/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22348")                        = 0
mkdir("./22349", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23212 attached
, child_tidptr=0x55558cab0650) = 23212
[pid 23212] set_robust_list(0x55558cab0660, 24) = 0
[pid 23212] chdir("./22349")            = 0
[pid 23212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23212] setpgid(0, 0)               = 0
[pid 23212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23212] write(3, "1000", 4)         = 4
[pid 23212] close(3)                    = 0
[pid 23212] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23212] write(1, "executing program\n", 18) = 18
[pid 23212] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23212] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23212] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23212] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23212] exit_group(0)               = ?
[pid 23212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22349", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22349/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22349/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22349")                        = 0
mkdir("./22350", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23213 attached
, child_tidptr=0x55558cab0650) = 23213
[pid 23213] set_robust_list(0x55558cab0660, 24) = 0
[pid 23213] chdir("./22350")            = 0
[pid 23213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23213] setpgid(0, 0)               = 0
executing program
[pid 23213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23213] write(3, "1000", 4)         = 4
[pid 23213] close(3)                    = 0
[pid 23213] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23213] write(1, "executing program\n", 18) = 18
[pid 23213] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23213] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23213] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23213] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23213] exit_group(0)               = ?
[pid 23213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22350", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22350/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22350/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22350")                        = 0
mkdir("./22351", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23214
./strace-static-x86_64: Process 23214 attached
[pid 23214] set_robust_list(0x55558cab0660, 24) = 0
[pid 23214] chdir("./22351")            = 0
[pid 23214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23214] setpgid(0, 0)               = 0
[pid 23214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23214] write(3, "1000", 4)         = 4
[pid 23214] close(3)                    = 0
[pid 23214] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23214] write(1, "executing program\n", 18) = 18
[pid 23214] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23214] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23214] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23214] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23214] exit_group(0)               = ?
[pid 23214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22351", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22351/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22351/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22351")                        = 0
mkdir("./22352", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23215 attached
, child_tidptr=0x55558cab0650) = 23215
[pid 23215] set_robust_list(0x55558cab0660, 24) = 0
[pid 23215] chdir("./22352")            = 0
[pid 23215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23215] setpgid(0, 0)               = 0
[pid 23215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23215] write(3, "1000", 4)         = 4
[pid 23215] close(3)                    = 0
[pid 23215] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23215] write(1, "executing program\n", 18) = 18
[pid 23215] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23215] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23215] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23215] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23215] exit_group(0)               = ?
[pid 23215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22352", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22352/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22352/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22352")                        = 0
mkdir("./22353", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23216 attached
, child_tidptr=0x55558cab0650) = 23216
[pid 23216] set_robust_list(0x55558cab0660, 24) = 0
[pid 23216] chdir("./22353")            = 0
[pid 23216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23216] setpgid(0, 0)               = 0
[pid 23216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23216] write(3, "1000", 4)         = 4
[pid 23216] close(3)                    = 0
[pid 23216] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23216] write(1, "executing program\n", 18) = 18
[pid 23216] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23216] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23216] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23216] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23216] exit_group(0)               = ?
[pid 23216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22353", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22353/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22353/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22353")                        = 0
mkdir("./22354", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23217 attached
, child_tidptr=0x55558cab0650) = 23217
[pid 23217] set_robust_list(0x55558cab0660, 24) = 0
[pid 23217] chdir("./22354")            = 0
[pid 23217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23217] setpgid(0, 0)               = 0
[pid 23217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23217] write(3, "1000", 4)         = 4
[pid 23217] close(3)                    = 0
[pid 23217] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23217] write(1, "executing program\n", 18executing program
) = 18
[pid 23217] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23217] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23217] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23217] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23217] exit_group(0)               = ?
[pid 23217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22354", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22354/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22354/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22354")                        = 0
mkdir("./22355", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23218 attached
, child_tidptr=0x55558cab0650) = 23218
[pid 23218] set_robust_list(0x55558cab0660, 24) = 0
[pid 23218] chdir("./22355")            = 0
[pid 23218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23218] setpgid(0, 0)               = 0
[pid 23218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23218] write(3, "1000", 4)         = 4
[pid 23218] close(3)                    = 0
[pid 23218] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23218] write(1, "executing program\n", 18) = 18
[pid 23218] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23218] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23218] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23218] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23218] exit_group(0)               = ?
[pid 23218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22355", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22355/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22355/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22355")                        = 0
mkdir("./22356", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23219
./strace-static-x86_64: Process 23219 attached
[pid 23219] set_robust_list(0x55558cab0660, 24) = 0
[pid 23219] chdir("./22356")            = 0
[pid 23219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23219] setpgid(0, 0)               = 0
[pid 23219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23219] write(3, "1000", 4)         = 4
[pid 23219] close(3)                    = 0
[pid 23219] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23219] write(1, "executing program\n", 18) = 18
[pid 23219] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23219] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23219] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23219] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23219] exit_group(0)               = ?
[pid 23219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22356", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22356/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22356/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22356")                        = 0
mkdir("./22357", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23220
./strace-static-x86_64: Process 23220 attached
[pid 23220] set_robust_list(0x55558cab0660, 24) = 0
[pid 23220] chdir("./22357")            = 0
[pid 23220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23220] setpgid(0, 0)               = 0
[pid 23220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23220] write(3, "1000", 4)         = 4
[pid 23220] close(3)                    = 0
[pid 23220] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23220] write(1, "executing program\n", 18executing program
) = 18
[pid 23220] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23220] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23220] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23220] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23220] exit_group(0)               = ?
[pid 23220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22357", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22357/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22357/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22357")                        = 0
mkdir("./22358", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23221 attached
, child_tidptr=0x55558cab0650) = 23221
[pid 23221] set_robust_list(0x55558cab0660, 24) = 0
[pid 23221] chdir("./22358")            = 0
[pid 23221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23221] setpgid(0, 0)               = 0
[pid 23221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23221] write(3, "1000", 4)         = 4
[pid 23221] close(3)                    = 0
[pid 23221] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23221] write(1, "executing program\n", 18executing program
) = 18
[pid 23221] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23221] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23221] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23221] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23221] exit_group(0)               = ?
[pid 23221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22358", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22358/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22358/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22358/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22358")                        = 0
mkdir("./22359", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23222 attached
, child_tidptr=0x55558cab0650) = 23222
[pid 23222] set_robust_list(0x55558cab0660, 24) = 0
[pid 23222] chdir("./22359")            = 0
[pid 23222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23222] setpgid(0, 0)               = 0
[pid 23222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23222] write(3, "1000", 4)         = 4
[pid 23222] close(3)                    = 0
[pid 23222] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23222] write(1, "executing program\n", 18) = 18
[pid 23222] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23222] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23222] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23222] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23222] exit_group(0)               = ?
[pid 23222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22359", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22359/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22359/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22359/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22359")                        = 0
mkdir("./22360", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23223 attached
, child_tidptr=0x55558cab0650) = 23223
[pid 23223] set_robust_list(0x55558cab0660, 24) = 0
[pid 23223] chdir("./22360")            = 0
[pid 23223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23223] setpgid(0, 0)               = 0
[pid 23223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23223] write(3, "1000", 4)         = 4
[pid 23223] close(3)                    = 0
[pid 23223] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23223] write(1, "executing program\n", 18executing program
) = 18
[pid 23223] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23223] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23223] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23223] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23223] exit_group(0)               = ?
[pid 23223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22360", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22360/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22360/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22360")                        = 0
mkdir("./22361", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23224 attached
, child_tidptr=0x55558cab0650) = 23224
[pid 23224] set_robust_list(0x55558cab0660, 24) = 0
[pid 23224] chdir("./22361")            = 0
[pid 23224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23224] setpgid(0, 0)               = 0
[pid 23224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23224] write(3, "1000", 4)         = 4
[pid 23224] close(3)                    = 0
[pid 23224] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23224] write(1, "executing program\n", 18) = 18
[pid 23224] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23224] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23224] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23224] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23224] exit_group(0)               = ?
[pid 23224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22361", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22361/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22361/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22361")                        = 0
mkdir("./22362", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23225 attached
, child_tidptr=0x55558cab0650) = 23225
[pid 23225] set_robust_list(0x55558cab0660, 24) = 0
[pid 23225] chdir("./22362")            = 0
[pid 23225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23225] setpgid(0, 0)               = 0
[pid 23225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23225] write(3, "1000", 4)         = 4
[pid 23225] close(3)                    = 0
[pid 23225] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23225] write(1, "executing program\n", 18executing program
) = 18
[pid 23225] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23225] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23225] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23225] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23225] exit_group(0)               = ?
[pid 23225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22362", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22362/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22362/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22362/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22362")                        = 0
mkdir("./22363", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23226
./strace-static-x86_64: Process 23226 attached
[pid 23226] set_robust_list(0x55558cab0660, 24) = 0
[pid 23226] chdir("./22363")            = 0
[pid 23226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23226] setpgid(0, 0)               = 0
[pid 23226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 23226] write(3, "1000", 4)         = 4
[pid 23226] close(3)                    = 0
[pid 23226] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23226] write(1, "executing program\n", 18) = 18
[pid 23226] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23226] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23226] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23226] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23226] exit_group(0)               = ?
[pid 23226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22363", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22363/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22363/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22363/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22363")                        = 0
mkdir("./22364", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23228 attached
, child_tidptr=0x55558cab0650) = 23228
[pid 23228] set_robust_list(0x55558cab0660, 24) = 0
[pid 23228] chdir("./22364")            = 0
[pid 23228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23228] setpgid(0, 0)               = 0
[pid 23228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23228] write(3, "1000", 4)         = 4
[pid 23228] close(3)                    = 0
[pid 23228] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23228] write(1, "executing program\n", 18) = 18
[pid 23228] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23228] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23228] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23228] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23228] exit_group(0)               = ?
[pid 23228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22364", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22364/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22364/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22364/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22364")                        = 0
mkdir("./22365", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23229
./strace-static-x86_64: Process 23229 attached
[pid 23229] set_robust_list(0x55558cab0660, 24) = 0
[pid 23229] chdir("./22365")            = 0
[pid 23229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23229] setpgid(0, 0)               = 0
[pid 23229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23229] write(3, "1000", 4)         = 4
[pid 23229] close(3)                    = 0
[pid 23229] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23229] write(1, "executing program\n", 18) = 18
[pid 23229] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23229] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23229] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23229] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23229] exit_group(0)               = ?
[pid 23229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22365", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22365/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22365/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22365")                        = 0
mkdir("./22366", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23230
./strace-static-x86_64: Process 23230 attached
[pid 23230] set_robust_list(0x55558cab0660, 24) = 0
[pid 23230] chdir("./22366")            = 0
[pid 23230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23230] setpgid(0, 0)               = 0
[pid 23230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23230] write(3, "1000", 4)         = 4
[pid 23230] close(3)                    = 0
[pid 23230] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23230] write(1, "executing program\n", 18) = 18
[pid 23230] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23230] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23230] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23230] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23230] exit_group(0)               = ?
[pid 23230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22366", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22366/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22366/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22366/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22366")                        = 0
mkdir("./22367", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23231
./strace-static-x86_64: Process 23231 attached
[pid 23231] set_robust_list(0x55558cab0660, 24) = 0
[pid 23231] chdir("./22367")            = 0
[pid 23231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23231] setpgid(0, 0)               = 0
[pid 23231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23231] write(3, "1000", 4)         = 4
[pid 23231] close(3)                    = 0
[pid 23231] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23231] write(1, "executing program\n", 18executing program
) = 18
[pid 23231] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23231] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23231] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23231] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23231] exit_group(0)               = ?
[pid 23231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22367", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22367/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22367/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22367/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22367")                        = 0
mkdir("./22368", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23232 attached
, child_tidptr=0x55558cab0650) = 23232
[pid 23232] set_robust_list(0x55558cab0660, 24) = 0
[pid 23232] chdir("./22368")            = 0
[pid 23232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23232] setpgid(0, 0)               = 0
[pid 23232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23232] write(3, "1000", 4)         = 4
[pid 23232] close(3)                    = 0
[pid 23232] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23232] write(1, "executing program\n", 18) = 18
executing program
[pid 23232] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23232] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23232] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23232] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23232] exit_group(0)               = ?
[pid 23232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22368", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22368/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22368/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22368/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22368")                        = 0
mkdir("./22369", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23233
./strace-static-x86_64: Process 23233 attached
[pid 23233] set_robust_list(0x55558cab0660, 24) = 0
[pid 23233] chdir("./22369")            = 0
[pid 23233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23233] setpgid(0, 0)               = 0
[pid 23233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23233] write(3, "1000", 4)         = 4
[pid 23233] close(3)                    = 0
[pid 23233] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23233] write(1, "executing program\n", 18executing program
) = 18
[pid 23233] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23233] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23233] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23233] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23233] exit_group(0)               = ?
[pid 23233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22369", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22369/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22369/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22369")                        = 0
mkdir("./22370", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23234
./strace-static-x86_64: Process 23234 attached
[pid 23234] set_robust_list(0x55558cab0660, 24) = 0
[pid 23234] chdir("./22370")            = 0
[pid 23234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23234] setpgid(0, 0)               = 0
[pid 23234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23234] write(3, "1000", 4)         = 4
[pid 23234] close(3)                    = 0
[pid 23234] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23234] write(1, "executing program\n", 18executing program
) = 18
[pid 23234] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23234] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23234] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23234] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23234] exit_group(0)               = ?
[pid 23234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22370", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22370/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22370/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22370")                        = 0
mkdir("./22371", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23235 attached
, child_tidptr=0x55558cab0650) = 23235
[pid 23235] set_robust_list(0x55558cab0660, 24) = 0
[pid 23235] chdir("./22371")            = 0
[pid 23235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23235] setpgid(0, 0)               = 0
[pid 23235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23235] write(3, "1000", 4)         = 4
[pid 23235] close(3)                    = 0
[pid 23235] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23235] write(1, "executing program\n", 18) = 18
[pid 23235] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23235] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23235] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23235] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23235] exit_group(0)               = ?
[pid 23235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22371", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22371/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22371/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22371/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22371")                        = 0
mkdir("./22372", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23236 attached
, child_tidptr=0x55558cab0650) = 23236
[pid 23236] set_robust_list(0x55558cab0660, 24) = 0
[pid 23236] chdir("./22372")            = 0
[pid 23236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23236] setpgid(0, 0)               = 0
[pid 23236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23236] write(3, "1000", 4)         = 4
[pid 23236] close(3)                    = 0
[pid 23236] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23236] write(1, "executing program\n", 18) = 18
[pid 23236] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23236] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23236] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23236] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23236] exit_group(0)               = ?
[pid 23236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22372", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22372/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22372/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22372/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22372")                        = 0
mkdir("./22373", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23237 attached
, child_tidptr=0x55558cab0650) = 23237
[pid 23237] set_robust_list(0x55558cab0660, 24) = 0
[pid 23237] chdir("./22373")            = 0
[pid 23237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23237] setpgid(0, 0)               = 0
[pid 23237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23237] write(3, "1000", 4)         = 4
[pid 23237] close(3)                    = 0
[pid 23237] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23237] write(1, "executing program\n", 18) = 18
[pid 23237] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23237] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23237] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23237] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23237] exit_group(0)               = ?
[pid 23237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22373", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22373/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22373/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22373/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22373")                        = 0
mkdir("./22374", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23238 attached
, child_tidptr=0x55558cab0650) = 23238
[pid 23238] set_robust_list(0x55558cab0660, 24) = 0
[pid 23238] chdir("./22374")            = 0
[pid 23238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23238] setpgid(0, 0)               = 0
[pid 23238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23238] write(3, "1000", 4)         = 4
[pid 23238] close(3)                    = 0
[pid 23238] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23238] write(1, "executing program\n", 18) = 18
[pid 23238] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23238] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23238] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23238] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23238] exit_group(0)               = ?
[pid 23238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22374", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22374/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22374/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22374/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22374")                        = 0
mkdir("./22375", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23239 attached
, child_tidptr=0x55558cab0650) = 23239
[pid 23239] set_robust_list(0x55558cab0660, 24) = 0
[pid 23239] chdir("./22375")            = 0
[pid 23239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23239] setpgid(0, 0)               = 0
[pid 23239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23239] write(3, "1000", 4)         = 4
[pid 23239] close(3)                    = 0
[pid 23239] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23239] write(1, "executing program\n", 18) = 18
[pid 23239] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23239] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23239] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23239] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23239] exit_group(0)               = ?
[pid 23239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22375", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22375/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22375/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22375/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22375")                        = 0
mkdir("./22376", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23240
./strace-static-x86_64: Process 23240 attached
[pid 23240] set_robust_list(0x55558cab0660, 24) = 0
[pid 23240] chdir("./22376")            = 0
[pid 23240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23240] setpgid(0, 0)               = 0
[pid 23240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23240] write(3, "1000", 4)         = 4
[pid 23240] close(3)                    = 0
[pid 23240] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23240] write(1, "executing program\n", 18) = 18
[pid 23240] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23240] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23240] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23240] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23240] exit_group(0)               = ?
[pid 23240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22376", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22376/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22376/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22376/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22376")                        = 0
mkdir("./22377", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23241 attached
, child_tidptr=0x55558cab0650) = 23241
[pid 23241] set_robust_list(0x55558cab0660, 24) = 0
[pid 23241] chdir("./22377")            = 0
[pid 23241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23241] setpgid(0, 0)               = 0
[pid 23241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23241] write(3, "1000", 4)         = 4
[pid 23241] close(3)                    = 0
[pid 23241] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23241] write(1, "executing program\n", 18executing program
) = 18
[pid 23241] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23241] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23241] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23241] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23241] exit_group(0)               = ?
[pid 23241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22377", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22377/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22377/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22377/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22377")                        = 0
mkdir("./22378", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23242 attached
, child_tidptr=0x55558cab0650) = 23242
[pid 23242] set_robust_list(0x55558cab0660, 24) = 0
[pid 23242] chdir("./22378")            = 0
[pid 23242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23242] setpgid(0, 0)               = 0
[pid 23242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23242] write(3, "1000", 4)         = 4
[pid 23242] close(3)                    = 0
[pid 23242] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23242] write(1, "executing program\n", 18executing program
) = 18
[pid 23242] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23242] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23242] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23242] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23242] exit_group(0)               = ?
[pid 23242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22378", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22378", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22378/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22378/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22378/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22378")                        = 0
mkdir("./22379", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23243 attached
, child_tidptr=0x55558cab0650) = 23243
[pid 23243] set_robust_list(0x55558cab0660, 24) = 0
[pid 23243] chdir("./22379")            = 0
[pid 23243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23243] setpgid(0, 0)               = 0
[pid 23243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23243] write(3, "1000", 4)         = 4
[pid 23243] close(3)                    = 0
[pid 23243] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23243] write(1, "executing program\n", 18) = 18
[pid 23243] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23243] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23243] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23243] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23243] exit_group(0)               = ?
[pid 23243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22379", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22379", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22379/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22379/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22379/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22379")                        = 0
mkdir("./22380", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23244
./strace-static-x86_64: Process 23244 attached
[pid 23244] set_robust_list(0x55558cab0660, 24) = 0
[pid 23244] chdir("./22380")            = 0
[pid 23244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23244] setpgid(0, 0)               = 0
[pid 23244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23244] write(3, "1000", 4)         = 4
[pid 23244] close(3)                    = 0
[pid 23244] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23244] write(1, "executing program\n", 18executing program
) = 18
[pid 23244] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23244] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23244] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23244] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23244] exit_group(0)               = ?
[pid 23244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22380", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22380", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22380/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22380/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22380/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22380")                        = 0
mkdir("./22381", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23245 attached
, child_tidptr=0x55558cab0650) = 23245
[pid 23245] set_robust_list(0x55558cab0660, 24) = 0
[pid 23245] chdir("./22381")            = 0
[pid 23245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23245] setpgid(0, 0)               = 0
[pid 23245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23245] write(3, "1000", 4)         = 4
[pid 23245] close(3)                    = 0
[pid 23245] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23245] write(1, "executing program\n", 18executing program
) = 18
[pid 23245] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23245] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23245] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23245] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23245] exit_group(0)               = ?
[pid 23245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22381", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22381", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22381/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22381/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22381/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22381")                        = 0
mkdir("./22382", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23246
./strace-static-x86_64: Process 23246 attached
[pid 23246] set_robust_list(0x55558cab0660, 24) = 0
[pid 23246] chdir("./22382")            = 0
[pid 23246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23246] setpgid(0, 0)               = 0
[pid 23246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23246] write(3, "1000", 4)         = 4
[pid 23246] close(3)                    = 0
[pid 23246] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23246] write(1, "executing program\n", 18executing program
) = 18
[pid 23246] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23246] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23246] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23246] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23246] exit_group(0)               = ?
[pid 23246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22382", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22382", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22382/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22382/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22382/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22382")                        = 0
mkdir("./22383", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23247 attached
, child_tidptr=0x55558cab0650) = 23247
[pid 23247] set_robust_list(0x55558cab0660, 24) = 0
[pid 23247] chdir("./22383")            = 0
[pid 23247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23247] setpgid(0, 0)               = 0
[pid 23247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23247] write(3, "1000", 4)         = 4
[pid 23247] close(3)                    = 0
[pid 23247] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23247] write(1, "executing program\n", 18executing program
) = 18
[pid 23247] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23247] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23247] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23247] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23247] exit_group(0)               = ?
[pid 23247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22383", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22383", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22383/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22383/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22383/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22383")                        = 0
mkdir("./22384", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23248 attached
, child_tidptr=0x55558cab0650) = 23248
[pid 23248] set_robust_list(0x55558cab0660, 24) = 0
[pid 23248] chdir("./22384")            = 0
[pid 23248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23248] setpgid(0, 0)               = 0
[pid 23248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23248] write(3, "1000", 4)         = 4
[pid 23248] close(3)                    = 0
[pid 23248] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23248] write(1, "executing program\n", 18) = 18
[pid 23248] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23248] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23248] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23248] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23248] exit_group(0)               = ?
[pid 23248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22384", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22384", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22384/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22384/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22384/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22384")                        = 0
mkdir("./22385", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23249
./strace-static-x86_64: Process 23249 attached
[pid 23249] set_robust_list(0x55558cab0660, 24) = 0
[pid 23249] chdir("./22385")            = 0
[pid 23249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23249] setpgid(0, 0)               = 0
[pid 23249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23249] write(3, "1000", 4)         = 4
[pid 23249] close(3)                    = 0
[pid 23249] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23249] write(1, "executing program\n", 18executing program
) = 18
[pid 23249] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23249] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23249] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23249] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23249] exit_group(0)               = ?
[pid 23249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22385", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22385", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22385/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22385/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22385/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22385")                        = 0
mkdir("./22386", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23250
./strace-static-x86_64: Process 23250 attached
[pid 23250] set_robust_list(0x55558cab0660, 24) = 0
[pid 23250] chdir("./22386")            = 0
[pid 23250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23250] setpgid(0, 0)               = 0
[pid 23250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23250] write(3, "1000", 4)         = 4
[pid 23250] close(3)                    = 0
[pid 23250] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23250] write(1, "executing program\n", 18) = 18
[pid 23250] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23250] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23250] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23250] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23250] exit_group(0)               = ?
[pid 23250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22386", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22386", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22386/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22386/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22386/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22386")                        = 0
mkdir("./22387", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23251 attached
, child_tidptr=0x55558cab0650) = 23251
[pid 23251] set_robust_list(0x55558cab0660, 24) = 0
[pid 23251] chdir("./22387")            = 0
[pid 23251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23251] setpgid(0, 0)               = 0
[pid 23251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23251] write(3, "1000", 4)         = 4
[pid 23251] close(3)                    = 0
[pid 23251] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23251] write(1, "executing program\n", 18executing program
) = 18
[pid 23251] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23251] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23251] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23251] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23251] exit_group(0)               = ?
[pid 23251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22387", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22387", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22387/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22387/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22387/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22387")                        = 0
mkdir("./22388", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23252
./strace-static-x86_64: Process 23252 attached
[pid 23252] set_robust_list(0x55558cab0660, 24) = 0
[pid 23252] chdir("./22388")            = 0
[pid 23252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23252] setpgid(0, 0)               = 0
[pid 23252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23252] write(3, "1000", 4)         = 4
[pid 23252] close(3)                    = 0
[pid 23252] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23252] write(1, "executing program\n", 18executing program
) = 18
[pid 23252] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23252] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23252] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23252] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23252] exit_group(0)               = ?
[pid 23252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22388", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22388", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22388/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22388/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22388/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22388")                        = 0
mkdir("./22389", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23253
./strace-static-x86_64: Process 23253 attached
[pid 23253] set_robust_list(0x55558cab0660, 24) = 0
[pid 23253] chdir("./22389")            = 0
[pid 23253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23253] setpgid(0, 0)               = 0
[pid 23253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23253] write(3, "1000", 4)         = 4
[pid 23253] close(3)                    = 0
[pid 23253] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23253] write(1, "executing program\n", 18) = 18
[pid 23253] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23253] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23253] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23253] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23253] exit_group(0)               = ?
[pid 23253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22389", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22389", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22389/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22389/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22389/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22389")                        = 0
mkdir("./22390", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23254
./strace-static-x86_64: Process 23254 attached
[pid 23254] set_robust_list(0x55558cab0660, 24) = 0
[pid 23254] chdir("./22390")            = 0
[pid 23254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23254] setpgid(0, 0)               = 0
[pid 23254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23254] write(3, "1000", 4)         = 4
[pid 23254] close(3)                    = 0
[pid 23254] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23254] write(1, "executing program\n", 18) = 18
[pid 23254] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23254] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23254] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23254] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23254] exit_group(0)               = ?
[pid 23254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22390", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22390", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22390/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22390/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22390/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22390")                        = 0
mkdir("./22391", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23255
./strace-static-x86_64: Process 23255 attached
[pid 23255] set_robust_list(0x55558cab0660, 24) = 0
[pid 23255] chdir("./22391")            = 0
[pid 23255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23255] setpgid(0, 0)               = 0
[pid 23255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23255] write(3, "1000", 4)         = 4
[pid 23255] close(3)                    = 0
[pid 23255] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23255] write(1, "executing program\n", 18) = 18
[pid 23255] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23255] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23255] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23255] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23255] exit_group(0)               = ?
[pid 23255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22391", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22391", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22391/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22391/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22391/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22391")                        = 0
mkdir("./22392", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23256 attached
, child_tidptr=0x55558cab0650) = 23256
[pid 23256] set_robust_list(0x55558cab0660, 24) = 0
[pid 23256] chdir("./22392")            = 0
[pid 23256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23256] setpgid(0, 0)               = 0
[pid 23256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 23256] write(3, "1000", 4)         = 4
[pid 23256] close(3)                    = 0
[pid 23256] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23256] write(1, "executing program\n", 18) = 18
[pid 23256] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23256] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23256] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23256] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23256] exit_group(0)               = ?
[pid 23256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22392", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22392", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22392/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22392/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22392/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22392")                        = 0
mkdir("./22393", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23257 attached
, child_tidptr=0x55558cab0650) = 23257
[pid 23257] set_robust_list(0x55558cab0660, 24) = 0
[pid 23257] chdir("./22393")            = 0
[pid 23257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23257] setpgid(0, 0)               = 0
[pid 23257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23257] write(3, "1000", 4)         = 4
[pid 23257] close(3)                    = 0
[pid 23257] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23257] write(1, "executing program\n", 18) = 18
[pid 23257] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23257] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23257] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23257] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23257] exit_group(0)               = ?
[pid 23257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22393", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22393", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22393/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22393/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22393/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22393")                        = 0
mkdir("./22394", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23258
./strace-static-x86_64: Process 23258 attached
[pid 23258] set_robust_list(0x55558cab0660, 24) = 0
[pid 23258] chdir("./22394")            = 0
[pid 23258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23258] setpgid(0, 0)               = 0
[pid 23258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23258] write(3, "1000", 4)         = 4
[pid 23258] close(3)                    = 0
[pid 23258] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23258] write(1, "executing program\n", 18) = 18
[pid 23258] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23258] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23258] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23258] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23258] exit_group(0)               = ?
[pid 23258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22394", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22394", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22394/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22394/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22394/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22394")                        = 0
mkdir("./22395", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23259 attached
, child_tidptr=0x55558cab0650) = 23259
[pid 23259] set_robust_list(0x55558cab0660, 24) = 0
[pid 23259] chdir("./22395")            = 0
[pid 23259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23259] setpgid(0, 0)               = 0
[pid 23259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23259] write(3, "1000", 4)         = 4
[pid 23259] close(3)                    = 0
[pid 23259] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23259] write(1, "executing program\n", 18) = 18
[pid 23259] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23259] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23259] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23259] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23259] exit_group(0)               = ?
[pid 23259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22395", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22395", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22395/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22395/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22395/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22395")                        = 0
mkdir("./22396", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23260
./strace-static-x86_64: Process 23260 attached
[pid 23260] set_robust_list(0x55558cab0660, 24) = 0
[pid 23260] chdir("./22396")            = 0
[pid 23260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23260] setpgid(0, 0)               = 0
[pid 23260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23260] write(3, "1000", 4)         = 4
[pid 23260] close(3)                    = 0
[pid 23260] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23260] write(1, "executing program\n", 18) = 18
[pid 23260] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23260] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23260] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23260] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23260] exit_group(0)               = ?
[pid 23260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22396", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22396", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22396/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22396/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22396/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22396")                        = 0
mkdir("./22397", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23261
./strace-static-x86_64: Process 23261 attached
[pid 23261] set_robust_list(0x55558cab0660, 24) = 0
[pid 23261] chdir("./22397")            = 0
[pid 23261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23261] setpgid(0, 0)               = 0
[pid 23261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23261] write(3, "1000", 4)         = 4
[pid 23261] close(3)                    = 0
[pid 23261] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23261] write(1, "executing program\n", 18executing program
) = 18
[pid 23261] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23261] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23261] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23261] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23261] exit_group(0)               = ?
[pid 23261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22397", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22397", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22397/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22397/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22397/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22397")                        = 0
mkdir("./22398", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23262 attached
, child_tidptr=0x55558cab0650) = 23262
[pid 23262] set_robust_list(0x55558cab0660, 24) = 0
[pid 23262] chdir("./22398")            = 0
[pid 23262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23262] setpgid(0, 0)               = 0
[pid 23262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23262] write(3, "1000", 4)         = 4
[pid 23262] close(3)                    = 0
[pid 23262] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23262] write(1, "executing program\n", 18) = 18
[pid 23262] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23262] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23262] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23262] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23262] exit_group(0)               = ?
[pid 23262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22398", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22398", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22398/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22398/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22398/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22398")                        = 0
mkdir("./22399", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23263 attached
, child_tidptr=0x55558cab0650) = 23263
[pid 23263] set_robust_list(0x55558cab0660, 24) = 0
[pid 23263] chdir("./22399")            = 0
[pid 23263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23263] setpgid(0, 0)               = 0
[pid 23263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23263] write(3, "1000", 4)         = 4
[pid 23263] close(3)                    = 0
[pid 23263] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23263] write(1, "executing program\n", 18) = 18
[pid 23263] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23263] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23263] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23263] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23263] exit_group(0)               = ?
[pid 23263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22399", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22399", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22399/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22399/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22399/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22399")                        = 0
mkdir("./22400", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23264
./strace-static-x86_64: Process 23264 attached
[pid 23264] set_robust_list(0x55558cab0660, 24) = 0
[pid 23264] chdir("./22400")            = 0
[pid 23264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23264] setpgid(0, 0)               = 0
[pid 23264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23264] write(3, "1000", 4)         = 4
[pid 23264] close(3)                    = 0
[pid 23264] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23264] write(1, "executing program\n", 18executing program
) = 18
[pid 23264] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23264] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23264] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23264] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23264] exit_group(0)               = ?
[pid 23264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22400", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22400", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22400/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22400/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22400/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22400")                        = 0
mkdir("./22401", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23265 attached
, child_tidptr=0x55558cab0650) = 23265
[pid 23265] set_robust_list(0x55558cab0660, 24) = 0
[pid 23265] chdir("./22401")            = 0
[pid 23265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23265] setpgid(0, 0)               = 0
[pid 23265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23265] write(3, "1000", 4)         = 4
[pid 23265] close(3)                    = 0
[pid 23265] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23265] write(1, "executing program\n", 18) = 18
[pid 23265] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23265] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23265] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23265] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23265] exit_group(0)               = ?
[pid 23265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22401", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22401", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22401/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22401/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22401/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22401")                        = 0
mkdir("./22402", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23266
./strace-static-x86_64: Process 23266 attached
[pid 23266] set_robust_list(0x55558cab0660, 24) = 0
[pid 23266] chdir("./22402")            = 0
[pid 23266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23266] setpgid(0, 0)               = 0
[pid 23266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23266] write(3, "1000", 4)         = 4
[pid 23266] close(3)                    = 0
[pid 23266] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23266] write(1, "executing program\n", 18) = 18
[pid 23266] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23266] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23266] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23266] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23266] exit_group(0)               = ?
[pid 23266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22402", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22402", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22402/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22402/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22402/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22402")                        = 0
mkdir("./22403", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23267
./strace-static-x86_64: Process 23267 attached
[pid 23267] set_robust_list(0x55558cab0660, 24) = 0
[pid 23267] chdir("./22403")            = 0
[pid 23267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23267] setpgid(0, 0)               = 0
[pid 23267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23267] write(3, "1000", 4)         = 4
[pid 23267] close(3)                    = 0
[pid 23267] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23267] write(1, "executing program\n", 18executing program
) = 18
[pid 23267] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23267] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23267] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23267] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23267] exit_group(0)               = ?
[pid 23267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22403", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22403", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22403/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22403/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22403/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22403")                        = 0
mkdir("./22404", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23268 attached
, child_tidptr=0x55558cab0650) = 23268
[pid 23268] set_robust_list(0x55558cab0660, 24) = 0
[pid 23268] chdir("./22404")            = 0
[pid 23268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23268] setpgid(0, 0)               = 0
[pid 23268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23268] write(3, "1000", 4)         = 4
[pid 23268] close(3)                    = 0
[pid 23268] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23268] write(1, "executing program\n", 18) = 18
[pid 23268] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23268] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23268] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23268] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23268] exit_group(0)               = ?
[pid 23268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22404", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22404", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22404/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22404/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22404/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22404")                        = 0
mkdir("./22405", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23269
./strace-static-x86_64: Process 23269 attached
[pid 23269] set_robust_list(0x55558cab0660, 24) = 0
[pid 23269] chdir("./22405")            = 0
[pid 23269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23269] setpgid(0, 0)               = 0
[pid 23269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23269] write(3, "1000", 4)         = 4
[pid 23269] close(3)                    = 0
[pid 23269] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23269] write(1, "executing program\n", 18executing program
) = 18
[pid 23269] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23269] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23269] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23269] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23269] exit_group(0)               = ?
[pid 23269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22405", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22405", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22405/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22405/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22405/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22405")                        = 0
mkdir("./22406", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23270 attached
, child_tidptr=0x55558cab0650) = 23270
[pid 23270] set_robust_list(0x55558cab0660, 24) = 0
[pid 23270] chdir("./22406")            = 0
[pid 23270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23270] setpgid(0, 0)               = 0
[pid 23270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23270] write(3, "1000", 4)         = 4
[pid 23270] close(3)                    = 0
[pid 23270] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23270] write(1, "executing program\n", 18) = 18
[pid 23270] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23270] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23270] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23270] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23270] exit_group(0)               = ?
[pid 23270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22406", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22406", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22406/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22406/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22406/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22406")                        = 0
mkdir("./22407", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23271 attached
, child_tidptr=0x55558cab0650) = 23271
[pid 23271] set_robust_list(0x55558cab0660, 24) = 0
[pid 23271] chdir("./22407")            = 0
[pid 23271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23271] setpgid(0, 0)               = 0
[pid 23271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23271] write(3, "1000", 4)         = 4
[pid 23271] close(3)                    = 0
[pid 23271] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23271] write(1, "executing program\n", 18executing program
) = 18
[pid 23271] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23271] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23271] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23271] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23271] exit_group(0)               = ?
[pid 23271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22407", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22407", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22407/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22407/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22407/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22407")                        = 0
mkdir("./22408", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23272
./strace-static-x86_64: Process 23272 attached
[pid 23272] set_robust_list(0x55558cab0660, 24) = 0
[pid 23272] chdir("./22408")            = 0
[pid 23272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23272] setpgid(0, 0)               = 0
[pid 23272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23272] write(3, "1000", 4)         = 4
[pid 23272] close(3)                    = 0
[pid 23272] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23272] write(1, "executing program\n", 18) = 18
[pid 23272] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23272] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23272] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23272] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23272] exit_group(0)               = ?
[pid 23272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22408", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22408", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22408/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22408/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22408/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22408")                        = 0
mkdir("./22409", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23273
./strace-static-x86_64: Process 23273 attached
[pid 23273] set_robust_list(0x55558cab0660, 24) = 0
[pid 23273] chdir("./22409")            = 0
[pid 23273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23273] setpgid(0, 0)               = 0
[pid 23273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23273] write(3, "1000", 4)         = 4
[pid 23273] close(3)                    = 0
[pid 23273] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23273] write(1, "executing program\n", 18) = 18
[pid 23273] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23273] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23273] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23273] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23273] exit_group(0)               = ?
[pid 23273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22409", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22409", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22409/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22409/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22409/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22409")                        = 0
mkdir("./22410", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23274 attached
, child_tidptr=0x55558cab0650) = 23274
[pid 23274] set_robust_list(0x55558cab0660, 24) = 0
[pid 23274] chdir("./22410")            = 0
[pid 23274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23274] setpgid(0, 0)               = 0
[pid 23274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23274] write(3, "1000", 4)         = 4
[pid 23274] close(3)                    = 0
[pid 23274] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23274] write(1, "executing program\n", 18) = 18
[pid 23274] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23274] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23274] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23274] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23274] exit_group(0)               = ?
[pid 23274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22410", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22410", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22410/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22410/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22410/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22410")                        = 0
mkdir("./22411", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23275
./strace-static-x86_64: Process 23275 attached
[pid 23275] set_robust_list(0x55558cab0660, 24) = 0
[pid 23275] chdir("./22411")            = 0
[pid 23275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23275] setpgid(0, 0)               = 0
[pid 23275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23275] write(3, "1000", 4)         = 4
[pid 23275] close(3)                    = 0
[pid 23275] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23275] write(1, "executing program\n", 18executing program
) = 18
[pid 23275] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23275] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23275] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23275] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23275] exit_group(0)               = ?
[pid 23275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22411", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22411", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22411/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22411/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22411/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22411")                        = 0
mkdir("./22412", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23276 attached
, child_tidptr=0x55558cab0650) = 23276
[pid 23276] set_robust_list(0x55558cab0660, 24) = 0
[pid 23276] chdir("./22412")            = 0
[pid 23276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23276] setpgid(0, 0)               = 0
[pid 23276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23276] write(3, "1000", 4)         = 4
[pid 23276] close(3)                    = 0
[pid 23276] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23276] write(1, "executing program\n", 18) = 18
[pid 23276] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23276] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23276] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23276] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23276] exit_group(0)               = ?
[pid 23276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22412", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22412", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22412/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22412/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22412/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22412")                        = 0
mkdir("./22413", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23277 attached
, child_tidptr=0x55558cab0650) = 23277
[pid 23277] set_robust_list(0x55558cab0660, 24) = 0
[pid 23277] chdir("./22413")            = 0
[pid 23277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23277] setpgid(0, 0)               = 0
[pid 23277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23277] write(3, "1000", 4)         = 4
[pid 23277] close(3)                    = 0
[pid 23277] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23277] write(1, "executing program\n", 18executing program
) = 18
[pid 23277] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23277] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23277] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23277] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23277] exit_group(0)               = ?
[pid 23277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22413", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22413", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22413/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22413/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22413/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22413")                        = 0
mkdir("./22414", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23278
./strace-static-x86_64: Process 23278 attached
[pid 23278] set_robust_list(0x55558cab0660, 24) = 0
[pid 23278] chdir("./22414")            = 0
[pid 23278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23278] setpgid(0, 0)               = 0
[pid 23278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23278] write(3, "1000", 4)         = 4
[pid 23278] close(3)                    = 0
[pid 23278] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23278] write(1, "executing program\n", 18) = 18
[pid 23278] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23278] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23278] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23278] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23278] exit_group(0)               = ?
[pid 23278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22414", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22414", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22414/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22414/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22414/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22414")                        = 0
mkdir("./22415", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23279 attached
, child_tidptr=0x55558cab0650) = 23279
[pid 23279] set_robust_list(0x55558cab0660, 24) = 0
[pid 23279] chdir("./22415")            = 0
[pid 23279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23279] setpgid(0, 0)               = 0
[pid 23279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23279] write(3, "1000", 4)         = 4
executing program
[pid 23279] close(3)                    = 0
[pid 23279] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23279] write(1, "executing program\n", 18) = 18
[pid 23279] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23279] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23279] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23279] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23279] exit_group(0)               = ?
[pid 23279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22415", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22415", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22415/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22415/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22415/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22415")                        = 0
mkdir("./22416", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558cab0650) = 23280
./strace-static-x86_64: Process 23280 attached
[pid 23280] set_robust_list(0x55558cab0660, 24) = 0
[pid 23280] chdir("./22416")            = 0
[pid 23280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23280] setpgid(0, 0)               = 0
[pid 23280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23280] write(3, "1000", 4)         = 4
[pid 23280] close(3)                    = 0
[pid 23280] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 23280] write(1, "executing program\n", 18) = 18
[pid 23280] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23280] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23280] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23280] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23280] exit_group(0)               = ?
[pid 23280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22416", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22416", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22416/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22416/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22416/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22416")                        = 0
mkdir("./22417", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23281 attached
, child_tidptr=0x55558cab0650) = 23281
[pid 23281] set_robust_list(0x55558cab0660, 24) = 0
[pid 23281] chdir("./22417")            = 0
[pid 23281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23281] setpgid(0, 0)               = 0
[pid 23281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23281] write(3, "1000", 4)         = 4
[pid 23281] close(3)                    = 0
[pid 23281] symlink("/dev/binderfs", "./binderfs") = 0
[pid 23281] write(1, "executing program\n", 18executing program
) = 18
[pid 23281] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23281] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23281] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23281] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23281] exit_group(0)               = ?
[pid 23281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22417", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22417", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558cab16f0 /* 3 entries */, 32768) = 80
umount2("./22417/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22417/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22417/binderfs")              = 0
getdents64(3, 0x55558cab16f0 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22417")                        = 0
mkdir("./22418", 0777)                  = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 23282 attached
, child_tidptr=0x55558cab0650) = 23282
[pid 23282] set_robust_list(0x55558cab0660, 24) = 0
[pid 23282] chdir("./22418")            = 0
[pid 23282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 23282] setpgid(0, 0)               = 0
[pid 23282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 23282] write(3, "1000", 4)         = 4
[pid 23282] close(3)                    = 0
[pid 23282] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 23282] write(1, "executing program\n", 18) = 18
[pid 23282] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory)
[pid 23282] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory)
[pid 23282] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor)
[pid 23282] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor)
[pid 23282] exit_group(0)               = ?
[pid 23282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0